Subjects -> AGRICULTURE (Total: 981 journals)
    - AGRICULTURAL ECONOMICS (93 journals)
    - AGRICULTURE (680 journals)
    - CROP PRODUCTION AND SOIL (120 journals)
    - DAIRYING AND DAIRY PRODUCTS (30 journals)
    - POULTRY AND LIVESTOCK (58 journals)

AGRICULTURE (680 journals)                  1 2 3 4 | Last

Showing 1 - 200 of 263 Journals sorted alphabetically
aBIOTECH : An International Journal on Plant Biotechnology and Agricultural Sciences     Hybrid Journal   (Followers: 2)
Aceh International Journal of Science and Technology     Open Access   (Followers: 6)
Acta agriculturae Slovenica     Open Access   (Followers: 2)
Acta Agrobotanica     Open Access   (Followers: 3)
Acta Agronomica Hungarica     Full-text available via subscription   (Followers: 3)
Acta Agronomica Sinica     Full-text available via subscription   (Followers: 4)
Acta Aquatica Turcica     Open Access   (Followers: 1)
Acta Biologica Sibirica     Open Access   (Followers: 1)
Acta Fytotechnica et Zootechnica     Open Access   (Followers: 2)
Acta Scientiarum Polonorum Technica Agraria     Open Access   (Followers: 1)
Acta Scientiarum. Animal Sciences     Open Access   (Followers: 5)
Acta Scientifica Malaysia     Open Access   (Followers: 1)
Acta Technologica Agriculturae     Open Access   (Followers: 1)
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis     Open Access   (Followers: 2)
Acta Universitatis Sapientiae, Alimentaria     Open Access   (Followers: 2)
Advanced Research in Life Sciences     Open Access   (Followers: 2)
Advances in Agriculture     Open Access   (Followers: 14)
Advances in Agriculture & Botanics     Open Access   (Followers: 5)
Advances in Agronomy     Full-text available via subscription   (Followers: 20)
Advances in Horticultural Science     Open Access   (Followers: 4)
Advances in Life Science and Technology     Open Access   (Followers: 10)
Africa Research Bulletin: Political, Social and Cultural Series     Hybrid Journal   (Followers: 22)
African Journal of Food, Agriculture, Nutrition and Development     Open Access   (Followers: 15)
African Journal of Range & Forage Science     Hybrid Journal   (Followers: 12)
Agra Europe     Full-text available via subscription   (Followers: 3)
Agribusiness : an International Journal     Hybrid Journal   (Followers: 6)
Agric     Open Access   (Followers: 1)
Agricultura     Open Access   (Followers: 3)
Agricultura Tecnica     Open Access   (Followers: 2)
Agricultura Tropica et Subtropica     Open Access   (Followers: 2)
Agricultura, Sociedad y Desarrollo     Open Access   (Followers: 2)
Agricultural & Environmental Letters     Open Access   (Followers: 4)
Agricultural and Food Science     Open Access   (Followers: 14)
Agricultural Commodities     Full-text available via subscription   (Followers: 1)
Agricultural Economics     Open Access   (Followers: 6)
Agricultural Economics : The Journal of the International Association of Agricultural Economists     Hybrid Journal   (Followers: 60)
Agricultural History Review     Full-text available via subscription   (Followers: 14)
Agricultural Research     Hybrid Journal   (Followers: 9)
Agricultural Science     Full-text available via subscription   (Followers: 1)
Agricultural Sciences     Open Access   (Followers: 5)
Agricultural Systems     Hybrid Journal   (Followers: 35)
Agricultural Water Management     Hybrid Journal   (Followers: 50)
Agriculture     Open Access   (Followers: 3)
Agriculture     Open Access   (Followers: 6)
Agriculture & Food Security     Open Access   (Followers: 20)
Agriculture and Food Sciences Research     Open Access   (Followers: 9)
Agriculture and Human Values     Open Access   (Followers: 25)
Agriculture, Ecosystems & Environment     Hybrid Journal   (Followers: 63)
AGRIEAST : Journal of Agricultural Sciences     Open Access   (Followers: 2)
AgriEngineering     Open Access  
Agrinova (Agrotechnology Innovation)     Open Access   (Followers: 1)
Agriprobe     Open Access   (Followers: 1)
Agriscience     Open Access   (Followers: 1)
Agrisost     Open Access   (Followers: 1)
Agritech     Open Access   (Followers: 1)
AGRITROPICA : Journal of Agricultural Sciences     Open Access   (Followers: 1)
Agrivet : Jurnal Ilmu-Ilmu Pertanian dan Peternakan / Journal of Agricultural Sciences and Veteriner)     Open Access   (Followers: 4)
Agrivita : Journal of Agricultural Science     Open Access  
Agro Sur     Open Access  
Agro-Science     Full-text available via subscription   (Followers: 2)
Agroalimentaria     Open Access  
Agrociencia     Open Access  
Agrociencia Uruguay     Open Access  
Agroecological journal     Open Access  
Agrokémia és Talajtan     Full-text available via subscription   (Followers: 2)
Agronomía & Ambiente     Open Access  
Agronomía Costarricense     Open Access  
Agronomía Mesoamericana     Open Access  
Agronomía Tropical     Open Access  
Agronomie Africaine     Full-text available via subscription  
Agronomy     Open Access   (Followers: 12)
Agronomy Science     Open Access  
Agrosains : Jurnal Penelitian Agronomi     Open Access  
Agrosearch     Open Access  
Agrosintesa Jurnal Ilmu Budidaya Pertanian     Open Access  
Agrosystems, Geosciences & Environment     Open Access   (Followers: 4)
Agrotechnology Research Journal     Open Access  
Agrotekma : Jurnal Agroteknologi dan Ilmu Pertanian     Open Access  
Agrotrop : Journal on Agriculture Science     Open Access   (Followers: 1)
AL-Qadisiya Journal For Agriculture Sciences     Open Access  
American Journal of Agricultural and Biological Sciences     Open Access   (Followers: 6)
American Journal of Botany     Full-text available via subscription   (Followers: 17)
American Journal of Economics and Sociology     Hybrid Journal   (Followers: 36)
American Journal of Potato Research     Hybrid Journal   (Followers: 2)
American Journal of Rural Development     Open Access   (Followers: 5)
Analytical Science Advances     Open Access   (Followers: 1)
Animal - Open Space     Open Access   (Followers: 3)
Animal Diseases     Open Access   (Followers: 1)
Animal Microbiome     Open Access   (Followers: 1)
Annales des Sciences Agronomiques     Full-text available via subscription  
Annals of Agricultural Sciences     Open Access   (Followers: 1)
Annals of Arid Zone     Open Access   (Followers: 1)
Annals of Silvicultural Research     Open Access  
Annual Review of Resource Economics     Full-text available via subscription   (Followers: 11)
Applied Financial Economics Letters     Hybrid Journal   (Followers: 8)
Aquacultura Indonesiana     Open Access  
Arboricultural Journal : The International Journal of Urban Forestry     Hybrid Journal   (Followers: 6)
Archiva Zootehnica     Open Access  
Archives of Current Research International     Open Access  
Archivos de Zootecnia     Open Access   (Followers: 1)
ARO. The Scientific Journal of Koya University     Open Access  
Arthropod-Plant Interactions     Hybrid Journal   (Followers: 2)
Artificial Intelligence in Agriculture     Open Access   (Followers: 1)
Asia-Pacific Journal of Rural Development     Hybrid Journal   (Followers: 2)
Asian Economic Papers     Hybrid Journal   (Followers: 8)
Asian Food Science Journal     Open Access   (Followers: 1)
Asian Journal of Advances in Agricultural Research     Open Access  
Asian Journal of Agricultural and Horticultural Research     Open Access  
Asian Journal of Agricultural Extension, Economics & Sociology     Open Access   (Followers: 1)
Asian Journal of Agricultural Research     Open Access   (Followers: 6)
Asian Journal of Agriculture     Open Access  
Asian Journal of Medical and Biological Research     Open Access   (Followers: 3)
Asian Journal of Plant Sciences     Open Access   (Followers: 2)
Asian Journal of Research in Agriculture and Forestry     Open Access   (Followers: 1)
Asian Plant Research Journal     Open Access  
Asian Research Journal of Agriculture     Open Access   (Followers: 1)
Atatürk Üniversitesi Ziraat Fakültesi Dergisi     Open Access  
Australian Cottongrower, The     Full-text available via subscription  
Australian Economic Papers     Hybrid Journal   (Followers: 10)
Australian Economic Review     Hybrid Journal   (Followers: 4)
Australian Forest Grower     Full-text available via subscription   (Followers: 2)
Australian Forestry     Hybrid Journal   (Followers: 1)
Australian Grain     Full-text available via subscription  
Australian Holstein Journal     Full-text available via subscription   (Followers: 1)
Australian Journal of Agricultural and Resource Economics     Hybrid Journal   (Followers: 4)
Australian Journal of Agricultural Engineering     Open Access   (Followers: 1)
Australian Sugarcane     Full-text available via subscription  
Avances en Investigacion Agropecuaria     Open Access   (Followers: 1)
Bangladesh Agronomy Journal     Open Access  
Bangladesh Journal of Agricultural Research     Open Access   (Followers: 1)
Bangladesh Journal of Scientific Research     Open Access  
Berichte aus dem Julius Kühn-Institut     Open Access  
Berkala Ilmiah Pertanian     Open Access   (Followers: 1)
BHUMI : Jurnal Agraria dan Pertanahan     Open Access  
Bioagro     Open Access  
Biocatalysis and Agricultural Biotechnology     Hybrid Journal   (Followers: 3)
Biochar     Hybrid Journal   (Followers: 1)
Biocontrol Science and Technology     Hybrid Journal   (Followers: 5)
Biodiversity     Hybrid Journal   (Followers: 25)
Biodiversity : Research and Conservation     Open Access   (Followers: 28)
BIOFIX Scientific Journal     Open Access  
Biological Agriculture & Horticulture : An International Journal for Sustainable Production Systems     Partially Free   (Followers: 10)
Biosystems Engineering     Hybrid Journal   (Followers: 8)
Biotecnología en el Sector Agropecuario y Agroindustrial     Open Access  
Boletín Semillas Ambientales     Open Access  
Botanica Orientalis : Journal of Plant Science     Open Access  
British Poultry Science     Hybrid Journal   (Followers: 6)
Buletin Peternakan : Bulletin of Animal Science     Open Access   (Followers: 1)
Buletin Veteriner Udayana     Open Access   (Followers: 1)
Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca : Food Science and Technology     Open Access   (Followers: 1)
CABI Agriculture and Bioscience     Open Access   (Followers: 1)
Caderno de Ciências Agrárias     Open Access  
Cahiers Agricultures     Open Access  
California Agriculture     Open Access   (Followers: 1)
Cambridge Journal of Economics     Hybrid Journal   (Followers: 77)
Canadian Water Resources Journal     Hybrid Journal   (Followers: 18)
Capitalism Nature Socialism     Hybrid Journal   (Followers: 21)
Caraka Tani : Journal of Sustainable Agriculture     Open Access  
Ceiba     Open Access  
Central European Forestry Journal     Open Access   (Followers: 1)
Cereal Chemistry     Full-text available via subscription   (Followers: 4)
CESifo Economic Studies     Hybrid Journal   (Followers: 23)
Ceylon Journal of Science     Open Access  
Chemical and Biological Technologies for Agriculture     Open Access   (Followers: 1)
Chilean Journal of Agricultural & Animal Sciences     Open Access  
Chilean Journal of Agricultural Research     Open Access   (Followers: 1)
Ciencia e Investigación Agraria     Open Access  
Ciência e Técnica Vitivinícola     Open Access  
Ciencia forestal en México     Open Access   (Followers: 1)
Ciencia, Tecnología y Salud     Open Access  
Científic@ : Multidisciplinary Journal     Open Access  
COCOS : The Journal of the Coconut Research Institute of Sri Lanka     Open Access   (Followers: 1)
Coffee Science     Open Access  
Cogent Food & Agriculture     Open Access  
Competition & Change     Hybrid Journal   (Followers: 12)
Compost Science & Utilization     Hybrid Journal  
Computers and Electronics in Agriculture     Hybrid Journal   (Followers: 7)
Corpoica Ciencia y Tecnología Agropecuaria     Open Access  
CSA News     Hybrid Journal   (Followers: 1)
Cuadernos de Desarrollo Rural     Open Access  
Cultivos Tropicales     Open Access  
Cultura Agronômica : Revista de Ciências Agronômicas     Open Access  
Cultural Geographies     Hybrid Journal   (Followers: 20)
Cultural Sociology     Hybrid Journal   (Followers: 34)
Cultural Studies - Critical Methodologies     Hybrid Journal   (Followers: 17)
Cultural Studies of Science Education     Hybrid Journal   (Followers: 10)
Cultural Trends     Hybrid Journal   (Followers: 13)
Culture, Agriculture, Food and Environment     Hybrid Journal   (Followers: 21)
Culture, Agriculture, Food and Environment     Hybrid Journal   (Followers: 8)
Current Agricultural Science and Technology     Open Access  
Current Agriculture Research Journal     Open Access  
Current Applied Science and Technology     Open Access  
Current Protocols in Plant Biology     Hybrid Journal   (Followers: 2)
Current Research in Dairy Sciences     Open Access   (Followers: 3)
Diatom Research     Hybrid Journal   (Followers: 3)
Dinamika Pertanian     Open Access  
Dissertationen aus dem Julius Kühn-Institut     Open Access  
Dossiers Agraris     Open Access  
E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology)     Open Access  
Ecological Applications     Full-text available via subscription   (Followers: 136)

        1 2 3 4 | Last

Similar Journals
Journal Cover
American Journal of Potato Research
Journal Prestige (SJR): 0.611
Citation Impact (citeScore): 1
Number of Followers: 2  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1874-9380 - ISSN (Online) 1099-209X
Published by Springer-Verlag Homepage  [2469 journals]
  • Study on nutritional quality and volatile aroma compounds of the
           stir-fried shredded potatoes

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      Abstract: Abstract In this study, we systematically analyzed the nutritional quality and volatile aroma compounds of stir-fried shredded potatoes, which had higher dietary fiber and calcium contents than deep fat-fried and shallow-fried potatoes and an excellent essential amino acid composition. Compared with deep fat-fried and shallow-fried potatoes, stir-fried shredded potatoes had a lower fat content. Stir frying led to a reduction in protein, starch, mineral (P, Mg, K), and vitamin contents. Incomplete gelatinization of starch granules in stir-fried shredded potatoes may have resulted in less loss of resistant starch. Moreover, this processing method, which is used in Chinese households, effectively reduced the glycoalkaloid concentration. Further volatile aroma compound analysis identified a total of 74 volatile aroma compounds, including hydrocarbons, aromatic hydrocarbons, alcohols, aldehydes, ketones, esters, furans, ethers, and other compounds. 4-methyloctane, hexanal, α-phellandrene, γ-terpinene, o-cymene, diallyl disulfide, and linalool were the main flavor-contributing components.
      PubDate: 2022-05-24
       
  • High Microplant Densities in Greenhouses – Are they Always Efficient in
           Small Potato Minituber Production Systems'

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      Abstract: Abstract Four microplant planting densities (PD) for greenhouse production of minitubers of three varieties were used to assess the agronomic and economic efficiencies of increased PD compared to the baseline density (63 microplants m−2). The field performance of minitubers was also included in the agronomic (yield formation) efficiency assessment of minitubers production. The concept of a field value (FV) of greenhouse area and of microplant was introduced. Economic assessment of PD changes was based on partial budget analysis and the marginal rate of return between PDs in ascending order. Agronomic efficiency assessment, as an efficient utilization of greenhouse space, revealed that the number of minitubers per m2 increased gradually with increasing PD and the magnitude of the increase was up to 2.6 times between PD 63 and 184 microplants m−2 making this PD the most effective of the studied. The change in minituber number per microplant due to the increased PDs was closely related to the economic efficiency assessment. In the baseline scenario (microplant cost of 0.54 € and minituber cost of 0.41 €), only the shift from PD63 to PD95 was efficient without trade-offs for only one of three varieties.
      PubDate: 2022-05-01
       
  • Vanguard Russet: A Fresh Market Potato Cultivar with Medium-Early Maturity
           and Long Dormancy

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      Abstract: Abstract Vanguard Russet (TX08352-5Ru) is a medium-early maturing potato cultivar released by Texas A&M AgriLife Research in 2018. Vanguard Russet produces attractive oblong to long tubers with medium russet skin and white flesh, blocky shape and uniform size, ideally suited for the fresh market. Vanguard Russet produces. It produces a high yield of marketable tubers, with many tubers in the 170 to 510 g size category, some oversized (> 510 g) tubers, and fewer culls than Russet Norkotah. Vanguard Russet has low external tuber defects (growth cracks, second growth), internal tuber defects (hollow heart, internal brown spot, vascular discoloration, blackspot bruise), and has a long tuber dormancy. Vanguard Russet is susceptible to PVY but has good symptom expression and is moderately resistant to common scab and Fusarium dry rot. Vanguard Russet is an excellent cultivar option for fresh market potato production due to its high marketable yields, excellent external and internal tuber quality, and long tuber dormancy.
      PubDate: 2022-05-01
       
  • Effect of Biofumigation on Population Densities of Pratylenchus spp. and
           Verticillium spp. and Potato Yield in Eastern Canada

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      Abstract: Abstract Biofumigation has been proposed as an alternative to soil fumigation to manage soil-borne diseases including potato early dying disease complex (PED). This study examined the potential of using brown mustard (Mustard juncea) biofumigation to manage PED under rain-fed potato production in New Brunswick, Canada in two trials between 2017 and 2020 in comparison with chloropicrin fumigation and a conventional barley rotation. Biofumigation increased yield in one trial, but not in a second trial where the potato crop experienced severe drought, whereas chloropicrin fumigation increased yield in both trials. Biofumigation was effective in suppressing root-lesion nematode (RLN, Pratylenchus spp.) counts in both trials, but was ineffective in suppressing V. dahliae population density. Chloropicrin fumigation was effective in suppressing RLN counts and V. dahliae population density only in the hill where injected, but the effect was short-lived as the population density of V. dahliae in the hill increased to the level of the control in one potato growing season. Biofumigation may be an alternative to chloropicrin fumigation in managing PED, particularly in fields with high RLN population but relatively low Verticillium population density. However, neither biofumigation nor fumigation used alone may be sustainable in the short-term potato rotations commonly used in New Brunswick, and additional beneficial practices are required to sustain productivity in the long-term.
      PubDate: 2022-04-13
       
  • Yield responses of four common potato cultivars to an industry standard
           and alternative rotation in Atlantic Canada

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      Abstract: Abstract This study was conducted to evaluate yield responses of four potato (Solanum tuberosum L.) cultivars (‘Russet Burbank’, ‘Shepody’, ‘Gold Rush’, and ‘Russet Prospect’) and soil N dynamic changes to two 3-year rotations in Prince Edward Island, Canada. The two rotations were the local industry standard potato–barley (Hordeum vulgare L.)–red clover (Trifolium pratense L.) rotation (PBC) and an alternative potato–soybean (Glycine max L.)–barley rotation (PSB). All potato cultivars received 170 kg N ha− 1 input at planting without irrigation. Soil mineral N content before potato planting was significantly higher under the PBC rotation. However, the PBC rotation produced significantly lower yields, suggesting the possibility of excessive N supply from the plowed-down red clover. While cultivar and the interaction between cultivar and rotation did not show a significant difference in yield, yields of all cultivars were positively affected by the PSB rotation. The Gold Rush cultivar was affected the most (36%), followed by Russet Burbank (17%) and Prospect (14%) cultivars, with Shepody being the least affected (3%) by the alternative PSB rotation. Russet Burbank was the highest yielding cultivar under both rotations. With the three russet cultivars combined as a single russet cultivar, the PSB rotation significantly increased tuber yields, while the Shepody cultivar did not significantly benefit from the PSB rotation, suggesting that the russet cultivars responded more sensitively to the alternative rotation. Results demonstrate that adequately accounting for N supply from a preceding green manure crop is required for sustainable potato production in this humid temperate region.
      PubDate: 2022-04-07
       
  • Economic Analysis of Alternative Ware Potato Storage Technologies in
           Uganda

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      Abstract: Abstract In Uganda, potato is primarily grown as a cash crop and smallholder farmers sell majority of their produce immediately after harvest. Only a few farmers store ware potato for later sale using various traditional storage methods. Main reasons are farmers’ immediate need for cash, the low volumes of potato harvested, fear of loss during storage due to pests and diseases, and a lack of adequate storage facilities. In order to exploit the seasonal market price fluctuations and increase the economic return of potato farming, improved individual and collective ambient ware potato storage units were introduced. Unlike traditional storage facilities that maintain the marketability of stored potato up to five weeks only, improved ambient stores can maintain their marketability up to nine weeks. This article uses cost-benefit analysis methods to compare the economic performance of improved ambient stores with traditional storage facilities. Results indicate that few of the traditional and improved collective storage units generated profit, an aspect that was attributed to management challenges. The improved individual stores performed overall well, generating higher profit margins than improved collective stores. Improved individual stores had an average payback period of three to four years that could even be reduced to less than one year if used at full capacity. Due to their characteristics, improved individual ambient ware potato stores thus seem to be particularly suitable to substantially increase the income of potato farming households.
      PubDate: 2022-03-30
       
  • Yield Depression in New Zealand Potato Crops Associated with Soil
           Compaction and Soil-Borne Diseases

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      Abstract: Abstract In New Zealand, potato crop yields of 90 t ha−1 are achievable but at 55 t ha−1, the average is becoming economically unsustainable. In 2012/13, a grower-initiated survey found that Rhizoctonia solani and Spongospora subterranea (soil-borne pathogens) and soil compaction were widespread in 11 Canterbury potato crops. Targeted areas in these crops had measured yield losses of 0 (healthy plants) – 42 (diseased, resource constrained plants) t ha−1, limiting the farmer-measured field yield to a 56 t ha−1 average. In 2014/15, growth, water use and health of three contrasting crops were measured. Near-potential yield was achieved in one crop when disease incidence and severity were low and resources adequate. The other two crops yielded less than potential; one had an inadequate water supply and the other widespread soil-borne disease. Any suspected links between soil-borne disease, soil compaction and yield were further investigated by using them as factors in replicated experiments reported elsewhere.
      PubDate: 2022-03-17
       
  • Evaluation of Genetic Diversity of Solanum tuberosum L. Cultivars by the
           Physiological and Biochemical Characteristics under Postharvest Conditions
           

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      Abstract: Abstract Postharvest storage of potatoes may result in compositional and textural changes, which may differ among different genotypes. These changes have been less documented in the literature. Ten potato cultivars (“Picasso”, “Red Scarlet”, “Sifra”, “Challenger”, “Sante”, “Banba”, “Arinda”, “Agria”, “Fontane’, and ‘Innovator”) were evaluated in pre- and post-harvest experiments. In the pre-harvest experiment, tuber number, diameter, and fresh weight of the plants were evaluated. Later, the traits were evaluated in three stages, including at harvest time and 90 and 180 days after harvest during storage. Fresh weight, dry weight, volume weight, firmness, TSS and carbohydrates, phenolic and vitamin C content, antioxidant activity, beta-carotene content, POX activity, and protein and starch content of the tubers were assessed. All the traits were significantly different among cultivars at both pre-harvest and post-harvest stages. “Red Scarlet”, “Challenger”, and “Innovator” are suitable cultivars for fresh consumption, and some including “Picasso”, “Sante” and “Banba” are appropriate for processing such as chips production. It was also found that some cultivars, e.g., “Challenger” and “Sante”, had longer shelf-life and acceptable marketability after six months of storage.
      PubDate: 2022-03-17
       
  • The Potato Association of America Honorary Life Members, 2020

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      PubDate: 2022-03-10
      DOI: 10.1007/s12230-022-09870-7
       
  • Association Business 103rd Annual Business Meeting Minutes and Reports
           Wednesday, July 31, 2019 in Winnipeg, Manitoba Canada

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      PubDate: 2022-03-03
      DOI: 10.1007/s12230-022-09866-3
       
  • The Potato Association of America Honorary Life Members, 2019

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      PubDate: 2022-03-01
      DOI: 10.1007/s12230-022-09867-2
       
  • Abstracts of the Papers Presented at the 103rd Annual Meeting of the
           

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      PubDate: 2022-03-01
      DOI: 10.1007/s12230-022-09871-6
       
  • Abstracts of the Papers Presented at the 104th Virtual Annual Meeting of
           the Potato Association of America, July 20 -22, 2020

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      PubDate: 2022-02-26
      DOI: 10.1007/s12230-022-09868-1
       
  • The Potato Association of America 104th Virtual Annual Business Meeting
           July 22, 2020, 4:00 – 6:00 pm ET

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      PubDate: 2022-02-25
      DOI: 10.1007/s12230-022-09869-0
       
  • Phenotypic Stability and Correlation for Late Blight Resistance in
           Advanced Potato Clones Under Field and Controlled Conditions

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      Abstract: Abstract Late blight (LB) is the main potato disease worldwide and one of the most important ways to control it is the use of resistant varieties. Twenty-two potato clones from the B3 breeding population developed by the International Potato Center with high resistance to the disease and two susceptible controls were inoculated with four Peruvian complex isolates (POX67, PPA61, PLL69, and PPI112) of Phytophthora infestans, with complex virulence on potato. Whole plant inoculation assays were carried out under greenhouse and humid chamber conditions in Lima, Peru, and data obtained were correlated with data from field assays carried out in Oxapampa (Pasco), a CIP breeding site in the Peruvian rain forest. High significant correlations (α = 0.01) were found in the resistance to LB shown by potato clones, the values of the correlations under greenhouse conditions between the isolates POX67, PPA61, and PLL69 with the resistance in the field were r = 0.93, 0.92 and 0.80, respectively and under humid chamber conditions were r = 0.94, 0.93 and 0.94, respectively. Moderate correlations were found between resistance in the field and in the greenhouse (r = 0.69) and the field and in humid chamber conditions (r = 0.77) for inoculations with PPI112 isolate. The twenty-two clones tested in this study showed phenotypic stability for LB resistance according to non-parametric analysis.
      PubDate: 2022-02-21
      DOI: 10.1007/s12230-022-09861-8
       
  • Identification of Resistance to Dickeya dianthicola Soft Rot in Solanum
           microdontum

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      Abstract: Abstract Bacteria belonging to the Pectobacterium and Dickeya genera are globally distributed phytopathogens that are responsible for economically important soft rot and blackleg diseases of potatoes. Since 2014, there have been increased outbreaks of blackleg disease in the Eastern US, with many cases caused by an especially virulent, nearly clonal strain of Dickeya dianthicola. This disease is thought to be spread via commercial trade of seed tubers with latent infections of these bacteria. There is an urgent need to develop resistant potato varieties to help reduce the accidental spread and damage caused by these diseases. In this study, we conducted an iterative screen of US Potato Genebank (Sturgeon Bay, WI) collections to find wild potato relatives with resistance to tuber soft rot. We found several Solanum microdontum lines with high-level resistance that may be useful as source germplasm for breeding soft rot resistance into commercial potato varieties.
      PubDate: 2022-02-02
      DOI: 10.1007/s12230-021-09859-8
       
  • Cold Hardiness Variation in Solanum jamesii and Solanum kurtzianum Tubers

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      Abstract: Abstract The ability of potato tubers to tolerate cold temperatures could be useful for maintaining the quality of tuber seed used for growing the crop, preserving the crop in storage, and germplasm preservation. Previous work measured the limits of survival of tubers of numerous populations of the wild tuber-bearing potato species Solanum jamesii (jam), native to the southwest USA in terms of ability to sprout after a -15C cold challenge. In that study, nine cold sensitive populations and nine very hardy populations were identified. In the current study, these two sets of jam populations were multiplied under field and greenhouse conditions and cold challenged along with Solanum kurtzianum (ktz), a species much more easily used in cultivar breeding with potential for cold tolerance shown in previous experiments. The results of this study were similar to previous ones: Tubers of jam started to die at -15C, with field-grown tubers hardier than greenhouse-grown tubers. Tubers of populations previously observed to be slightly less cold tolerant were not significantly different in the current more systematic trial. We conclude that tubers of S. jamesii populations available from the US Potato Genebank are all similarly very cold hardy. Most tubers of the 80 ktz populations sprouted after cooling to -8C, identifying this species as an additional subject for research and breeding.
      PubDate: 2022-01-28
      DOI: 10.1007/s12230-022-09862-7
       
  • Difference in Foliar Fatty Acid Composition in Potato Cultivars over a
           Growing Season May Influence the Host Location Preference of Leptinotarsa
           Decemlineata

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      Abstract: Abstract The production of commercial potatoes (Solanum tuberosum) for different market classes is of vital agricultural importance in the United States. For the production of chips, fresh-market or processing potatoes, potato producers rely upon different potato cultivars to meet market and consumer demands. Many cultivars possess distinctive traits which make them more or less susceptible to disease and insect pressure. One important and understudied trait that may confer host location preference and population performance include leaf fatty acid composition(s). It is known that leaf fatty acid composition can influence growth, taste, and even insect defense mechanisms. In the current investigation we examined the fatty acid composition of leaf tissue obtained from 8 commercial potato cultivars representing different market classes grown in a controlled field study. We examined colonization preference of Leptinotarsa decemlineata among the 8 different potato cultivars over a 45 day period representing the first full generation in Wisconsin. Results of these experiments suggest, i) that fatty acid compositions in leaf tissue vary between potato cultivars and among sample dates throughout the experiment, ii) that Leptinotarsa decemlineata may preferentially colonize particular potato cultivars, and iii) that there was a significant correlation between omega-3 fatty acid composition in leaf tissue and Leptinotarsa decemlineata cultivar preference.
      PubDate: 2022-01-28
      DOI: 10.1007/s12230-021-09857-w
       
  • Assessment of Wild Solanum Species for Resistance to Phytophthora
           infestans (Mont.) de Bary in the Toluca Valley, Mexico

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      Abstract: Abstract Ninety-seven accessions of 14 wild Solanum species were evaluated for late blight resistance under natural infection conditions in the Toluca Valley, México, for two consecutive growing seasons. Significant effects were detected for the interaction of Accession/Year variation in Disease Maximum, sAUDPC (standardized AUDPC), r (rate of disease increase per unit time), and T50 (time to reach 50% of the disease). Continuous variation in Disease Maximum, sAUDPCs, r, and T50 indicated the presence of unique or multiple strong R genes for disease resistance. Eleven accessions from seven species with a high degree of resistance (R) were identified. Seven accessions from six species were also moderately resistant (MR) in both years. Five accessions of three species were MR or R in just one year, with 23 accessions being of interest as potential sources of resistance. Solanum genotypes that have a wide range of resistance could be used in breeding programs and for molecular genetic studies.
      PubDate: 2022-01-19
      DOI: 10.1007/s12230-021-09856-x
       
  • Correction to: Genetic and Environmental Factors Contributing to
           Reproductive Success and Failure in Potato

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      Abstract: A Correction to this paper has been published: https://doi.org/10.1007/s12230-021-09840-5
      PubDate: 2021-12-20
      DOI: 10.1007/s12230-021-09840-5
       
 
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