Publisher: U of the Punjab   (Total: 5 journals)   [Sort by number of followers]

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Intl. J. of Business Reflections     Open Access   (Followers: 2)
Mycopath     Open Access  
Pakistan J. of Information Management & Libraries     Open Access   (SJR: 0.141, CiteScore: 0)
Pakistan J. of Statistics and Operation Research     Open Access   (Followers: 1, SJR: 0.383, CiteScore: 1)
Punjab University J. of Mathematics     Open Access   (Followers: 1)
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  This is an Open Access Journal Open Access journal
ISSN (Print) 1729-5521
Published by U of the Punjab Homepage  [5 journals]
  • Biocontrol of Fusarium oxysporum by Trichoderma spp. in Aloe vera under
           greenhouse and field conditions

    • Authors: Hadassa Yuef Martínez-Padrón, Raúl Rodríguez-Herrera, Verónica Herrera Mayorga, Francisco Alejandro Paredes Sánchez, Ma. Teresa de Jesús Segura Martínez, Eduardo Osorio-Hernández
      Abstract:  During the last decade, an increase in the incidence of the fungus Fusarium oxysporum in aloe [Aloe vera (L.) Burm.f.] plants has been observed, reducing the national production by 14%. A study was conducted to evaluate five native strains of Trichoderma against F. oxysporum in A. vera plants, under greenhouse and field conditions. The experiment in the greenhouse consisted of evaluating 1-year-old A. vera plants, which were inoculated in the root with a suspension of 10 mL of 1×108 conidia of Trichoderma spp. This experiment consisted of six treatments with ten repetitions; five strains of Trichoderma spp. and the control (without chemical treatment). The evaluation in field was conducted for one year (2016-17) to test five strains of Trichoderma spp. and the control (without chemical treatment), under a randomized complete block design with five replications. The evaluation under greenhouse conditions showed that when A. vera plants were treated with Trichoderma asperellum, the lowest incidence (5%) of F. oxysporum was observed and plants had the highest number of leaves than the rest of the treatments with 0.9% of total solids. Under greenhouse conditions, plants inoculated with Trichoderma asperellum and T. harzianum reduced the incidence of F. oxysporum by 30% and 40%, respectively. In the field, when evaluating T. asperellum, a lower incidence (9%) of F. oxysporum was observed in A. vera plants, and the leaves showed 0.9% of total solids. The plants inoculated with T. asperellum and T. harzianum decreased the incidence of the phytopathogen by 40% and 50%, respectively.  In addition, an increase was observed in plant height, number of leaves, total solids, weight of root and leaves of A. vera with different Trichoderma species both under greenhouse and field conditions. 
      PubDate: 2022-07-21
      Issue No: Vol. 19 (2022)
  • More insights into approachs with potential effect against pathogenic
           Fusarium species

    • Authors: Abdeslam Jaafari, Souad Lekchiri
      PubDate: 2022-07-20
      Issue No: Vol. 19 (2022)
  • Diversity of Algerian basidiomycetes, morphological, macrochemical and
           genotypic characterisation

    • Authors: Yasmine Ait Hamadouche, Soulef Dib, Zohra Fortas
      Abstract: A collection of 16 basidiomycetes was carried out in northwestern Algeria. During the harvest, the average temperature of the sites was between 11.2 to 19.3 °C with an average humidity of 67 to 90%.  The dominant plants observed at the sampling sites are pine, oak and false pepper. The collected mushrooms were identified by their macroscopic, microscopic (light microscope and scanning electron microscope) and macrochemical characteristics using chemical reagents to distinguish among the different species. Of the 16 fungi, a genotypic identification was made using the tools of molecular biology and bioinformatics analysis.  The results of the phenotypic analysis showed that the fungi in question were: Lactarius zonarioides, Amanita proxima, A. virosa, Agaricus bisporus, Suillus mediterraneensis, Boletus sp., Xerocomus sp., Coprinus atramentarius, Pleurotus ostreatus, P. pulmonarius, P. eryngii, P. dryinus, Lepiota sp., Cortinarius orellanus, Armillaria mellea and Trametes quercina. The comparison of the ITS1 sequences (143 bp) with those of the databases was carried out using the BLAST algorithm, which confirmed the identification of Agaricus bisporus. 
      PubDate: 2022-07-19
      Issue No: Vol. 19 (2022)
  • Differential gene behavior in resistant potato plants challenged with late
           blight disease

    • Authors: Antonious Al-Daoude, Amina Shoaib, Eyad Al-Shehadah, Mohammed Jawhar
      Abstract: Late blight caused by the fungus Phytophthora infestans, is one of the most important diseases of potato (Solanum tuberosum L.) crop worldwide. However, in spite of its importance, understanding of the pathosystems mediating potato infection by this fungus is still limited. Therefore, to better understand the defense responses initiated by potato resistant plants challenged with P. infestans, expression of six well known defense-related genes were monitored at early four-time points of infection. Time-course experiments revealed notable differences in gene expression patterns during potato-pathogen interaction as compared to the non-infected control. It is noteworthy that both PR3 and StSYR1 have higher constitutive expressions with 6.1 and 8.1 folds, respectively, at 48 and 72 hours post inoculation (hpi) period. It was clear that their expressions were higher at the necrotrophic stage compared with the biotrophic one. According to findings, our data can provide an insight into the signaling pathways that accounts for conventional gene expression changes elicited during potato-P. infestans interactions.
      PubDate: 2022-07-07
      Issue No: Vol. 19 (2022)
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Heriot-Watt University
Edinburgh, EH14 4AS, UK
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