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Journal Cover Bangladesh Journal of Agricultural Research
  [2 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 0258-7122
   Published by Bangladesh Journals Online Homepage  [106 journals]
  • Sowing time and varietal performance of wheat at higher elevation in hill
           environment at Khagrachari

    • Authors: M Ataur Rahman, M Mohabbatullah, CK Das, UK Sarker, SMM Alam
      Pages: 521 - 528
      Abstract: The field experiment was conducted at the Hill Agricultural Research Station, BARI, Khagrachari for the two consecutive years (2009-10 and 2010-11) to find out the wheat variety suitable for hilly environment and investigate the interaction of sowing dates and varieties to recommend the promising variety with proper sowing time. The experiment was laid out in split-plot design with three replications where three dates of sowing (Nov. 20, Nov. 30 and Dec. 10) were assigned in the main plots and five modern wheat varieties (Shatabdi, Sufi, Sourav, Bijoy and Prodip) were tested in the sub-plots. The yield responses of wheat varieties during the two years showed that there were significant varietal differences under the experimental soil and environmental conditions. The variety Bijoy gave maximum grain yield closely followed by Sourav in both years. Shatabdi produced higher yield under early sowing (Nov. 20) but yield was decreased due to late sowing (Dec. 10). Initially the plant population and finally spikes/m2 were affected by late sowing that caused less yield in Shatabdi. The mean yield of all varieties pulled over the sowing time indicated that wheat yield was not affected due to delay sowing up to 10th December. The experimental result demonstrated that Shatabdi could be recommended only for early sowing whereas Bijoy and Sourav could be recommended both for early and late sowing under the experimental soil and environmental conditions at hilly region of Khagrachari.Bangladesh J. Agril. Res. 40(4): 521-528, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Genetic diversity of maize (Zea mays L.) Inbreds under salinity stress

    • Authors: MM Rohman, BR Banik, A Biswas, MS Rahman
      Pages: 529 - 536
      Abstract: The study was conducted to investigate the genetic diversity of some maize inbreds under salinity stress condition using Mahalanobis’s statistic (D2) and principal component analysis. Analysis of variance showed significant difference for all the characters. Results of multivariate analysis revealed that twenty five inbred lines formed five clusters at 8 dS level of salinity. The highest intra-cluster distance was recorded in cluster III containing eight genotypes and the lowest was in cluster II having one genotype. The highest inter cluster distance was observed between clusters II & V and lowest was between I & III. Cluster II had the highest cluster means for plant height, cob height, above ground dry mass, cob per plant, cob length, and grain yield per plant. Considering cluster distance, inter-genotypic distance and other agronomic performances the genotypes CZ12, CZ19, CZ26, CZ29, CZ31, CZ32, CZ33 & CML470 from cluster III and CZ27, CZ37, CML251 and CML456 from cluster V may be considered as better parents for future hybridization programs to obtain desirable segregate in respect of different yield and yield contributing characters under salinity stress.Bangladesh J. Agril. Res. 40(4): 529-536, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Genotypic variations in growth, yield and yield components of soybean
           genotypes under drought stress conditions

    • Authors: JA Chowdhury, MA Karim, QA Khaliq, ARM Solaiman, JU Ahmed
      Pages: 537 - 550
      Abstract: A pot experiment was carried out in a venylhouse at Bangabandhu Sheikh Mujibur Rahman University during 2012 to investigate the growth, yield and yield contributing characters of ten selected soybean genotypes viz. Shohag, BARI Soybean-6, BARI Soybean-5, BD2331, BD2329, BD2336, BD 2340, BGM2093, G00015 and BGM2026 under drought stress and control conditions. Plant height, number of leaves, leaf area, shoot and root dry weight of all the genotypes were significantly affected by the stress. Among the genotypes Shohag, BARI Soybean-6 and BD2331 were found tolerant in relation to the growth under water stress conditions. The reduction in RGR values was more in the susceptible genotypes at the later stages of growth than in the tolerant genotypes. Seed yield of the genotypes was reduced from 42 to 68% due to drought (water) over non-stress. Susceptible genotypes showed greater reduction in seed yield than the tolerant genotypes.Bangladesh J. Agril. Res. 40(4): 537-550, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Adoption of raised bed technology in some selected locations of Rajshahi
           District of Bangladesh

    • Authors: MA Monayem Miah, - Moniruzzaman, S Hossain, JM Duxbury, JG Lauren
      Pages: 551 - 566
      Abstract: The study evaluated the adoption and farmers’ practice of raised bed technology at farm level since the close of the Soil Management Collaborative Research Support Program (SMCRSP) through a follow-up survey conducted at Durgapur Upazila of Rajshahi district. Data for the study were collected from 195 adopters and 65 non-adopters through a pre-tested interview schedule during May, 2011. The survey findings showed that the raised bed technology had a strong demonstration effect and were adopted well (56%) by the respondent farmers. The probability of adopting this technology was significantly influenced by extension contact, societal membership, and the number of male member in the household. Due to lack of machine, most farmers prepared raised bed by hand (82.7%) without maintaining recommended bed size. The most cultivated crops on bed were wheat (cultivated by 97.95% farmers) maize (27.69%) onion (16.41%) and mungbean (12.31%). Respondent farmers mentioned various positive benefits of bed technology and willing to continue this practice in future with increased area of land. This immerging technology increased cop productivity and farmers’ income to some extent. To popularize the raised bed technology among farmers, bed planter should be available to the farmers and the positive benefits should be broadcasted in the mass mediaBangladesh J. Agril. Res. 40(4): 551-566, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Influence of ethephon on ripening and quality of winter tomato fruit
           harvested at different maturity stages

    • Authors: M Moniruzzaman, R Khatoon, MFB Hossain, MT Rahman, SN Alam
      Pages: 567 - 580
      Abstract: An experiment taking tomato fruits (cv. BARI Tomato-14) of three maturity stages (mature green stage, breaker stage and half ripen stage) and four ethephon levels [control (distilled water spray), 500, 750 and 1000 ppm] was carried out at the laboratory of plant physiology section of Horticulture research centre, Bangladesh Agricultural Research Institute) during February 14, 2013 to February 27, 2012 to find out the suitable stage of fruit maturity for post harvest application of ethephon (ethrel) for tomato ripening. The source of ethrel was Spectrum (ethephon 39%) manufactured in the United States of America. Treatment with 500 - 1000 ppm ethephon hastened ripening of tomato by 4 days in mature green stage but by 2 and 4 days in breaker stage tomatoes when compared with control fruits. The highest value of rotting was shown by half ripen tomatoes. The 1000 ppm ethrel gave the maximum rotting irrespective of maturity stages. However, the maximum weight loss and shelf life were found in green mature tomatoes. The shelf life of tomato fruits of green mature and breaker stage tomatoes treated with 500 and 750 ppm was also high. The percentage of rotting and weight loss was increased with gradual advancement of time. The highest value of weight loss and shelf life was recorded in green mature tomatoes without ethephon and with 500 and 750 ppm ethephon treatment. The highest value of vitamin-C, TSS and titrable acidity were shown by half ripen and pH by green mature tomatoes at different days of storage. The ethephon concentration of 750 ppm the gave maximum vitamin-C at 6 and 9 days of storage but 1000 ppm gave the maximum TSS% followed by 750 ppm ethephon. The ethephon @ 750 ppm produced the maximum TSS at 9 day of storage in mature green tomatoes but in breaker and half ripen stage tomatoes 750 ppm ethephon gave TSS identical to 1000 ppm at different days of storage. The residue level of ethrel in tomato fruits treated with all ethephon concentrations at 3 and 5 days of storage was below 2 mg/kg which is safe for human health. Therefore, treated tomatoes should be consumed after 3 days of ethephon application.Bangladesh J. Agril. Res. 40(4): 567-580, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Performance of separated tillers of transplant Aman rice at different
           levels of urea super granules

    • Authors: KS Rahman, SK Paul, MAR Sarkar
      Pages: 581 - 590
      Abstract: An experiment was conducted at the research field of Department of Agronomy, Bangladesh Agricultural University, Mymensingh during June to December 2012 to investigate the effect of age of tiller seedlings, number of tiller seedlings hill-1 and application of urea super granules (USG) on the yield and yield contributing characters of transplant Aman rice (cv. BRRI dhan52). The experiment consisted of two ages of tiller seedlings viz. 25 and 35-days old, three levels of tiller seedlings hill-1 viz. 1, 3 and 5 seedlings hill-1 and three levels of USG viz. 0, 1.8 (55 kg N ha-1) and 2.7g USG (80 kg N ha-1) four hill-1 in every alternate row. The experiment was laid out in a Randomized Complete Block Design (Factorial) with three replications. The highest plant height, number of effective tillers hill-1, number of total tillers hill-1, number of total spikelets panicle-1, number of grains panicle-1, grain yield and harvest index were found in 1.8 g USG applied @ one granule 4-hill-1. The highest number of sterile spikelets panicle-1 was found in control treatment and the lowest in 1.8 g USG. The highest number of effective tillers hill-1, number of total spikelets panicle-1 and grain yield ha-1 was found when 5 tiller seedlings were transplanted hill-1 combined with 1.8 g USG. Application of urea super granules 1.8 g (55 kg N ha-1) at 10 days after transplanting @ one granule 4-hill-1 in every alternate row with 25 day old tiller seedlings using 5 tiller seedlings hill-1 was found beneficial for grain yield of transplant Aman rice. Tiller separation could be an alternative source of seedling during seedling scarcity.Bangladesh J. Agril. Res. 40(4): 581-590, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Effect of plant growth regulators on flower and bulb production of
           hippeastrum (Hippeastrum hybridum Hort.)

    • Authors: MK Jamil, M Mizanur Rahman, M Mofazzal Hossain, M Tofazzal Hossain, AJM Sirajul Karim
      Pages: 591 - 600
      Abstract: The experiment was conducted at the Horticultural research field of Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur during October 2008 to July 2009 to investigate the effect of plant growth regulators on flower and bulb production of Hippeastrum. There were ten treatments comprising of three concentrations of three growth regulators viz., IAA (20, 60 and 100 ppm), ethrel (100, 300 and 500 ppm) and GA3 (100, 300 and 500 ppm) along with control (soaked in water). The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. Flower and bulb characteristics of Hippeastrum were influenced significantly by different levels of growth regulators. Application of IAA at 60 and 100 ppm and GA3 at 100, 300 or 500 ppm twice as foliar spray at an interval of 30 days promoted the number of bulblets on the treated plants. Ethrel at a concentration of 100 ppm increased the number of flowers per scape (4) and showed earliness in days to flower scape emergence (72.33 days) and first flower open (88.67 days). On the other hand, the biggest size of flower (15.14 cm x 12.44 cm) and flower scape (40.28 cm x 21.95cm) at harvest and the maximum days for flowering (11.50 days) were evident from plants treated with 500 ppm GA3. The highest number of bulblets per plot (40.00), bulbs weight per plot (4056 g) along with bulb yield (40.56 t/ha) were also obtained in GA3 at 500 ppm.Bangladesh J. Agril. Res. 40(4): 591-600, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Effect of bap and sucrose on the development of cormel in mukhi kachu

    • Authors: MKR Bhuiyan, SM Sharifuzzaman, MJ Hossain
      Pages: 601 - 606
      Abstract: In vitro cormel development in Mukhi Kachu (Colocasia esculenta) Var. Bilashi was assessed in an experiment using three levels of BAP (0, 5 and 10 mg/l) and four levels of sucrose (0, 5, 10 and 15 %). Individual shoot excised from multiple shoot was used as explant in this experiment. In vitro cormel formation of Colocasia is an important means of organogenesis, which initiated earlier with 10% sucrose in 15% culture, whereas 15% sucrose produced cormels in 50% culture. While BAP at 10 mg/l formed cormels in 32.5% cultures but these two factors together formed cormels in 85% cultures, having 2.5 cormel per culture. The cormel weighed upto 1.7 g and contained 81.5% dry matter.Bangladesh J. Agril. Res. 40(4): 601-606, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Variability, correlation and path co-efficient analysis of bitter gourd
           (Momordica charantia L.)

    • Authors: MH Khan, SR Bhuiyan, KC Saha, MR Bhuyin, ASMY Ali
      Pages: 607 - 618
      Abstract: Seventeen genotypes of bitter gourd (Momordica charantia L.) were studied in a field experiment conducted at the experimental field of Sher-e-Bangla Agricultural University, Dhaka, during April 2009 to September 2010. The objectives of the study were to measure the variability among the genotypes for yield and yield contributing characters, estimate genetic parameters, association among the characters and their contribution to yield. There was a great deal of significant variation for all the characters among the genotypes. Considering genetic parameters high genotypic co-efficient of variation (GCV) was observed for branches per vine, yield per plant and number of fruit per plant whereas low genotypic co-efficient of variation (GCV) was observed for days to first male and female flowering. In all the cases, it was found that phenotypic co-efficient of variation was greater than genotypic co-efficient of variation. Highest genotypic and phenotypic co-efficient of variation was observed in branch per vine, fruit length, fruit weight and number of fruit plant which indicated a wide variability among the genotypes and offered better scope of selection. The results obtained showed that fruit length showed low direct and positive effect on yield per plant and indirect positive effect on yield per plant via fruit diameter and average fruit weight. Similar result was found for fruit diameter. Average fruit weight and number of fruits per plant showed high direct and positive effect on yield per plant. Path analysis revealed that average fruit weight, number of fruits per plant, days to male flowering and fruit length had positive direct effect on fruit yield. Considering group distance and the agronomic performance, the inter genotypic crosses between G2& G5; G2&G14; G14&G15; G2&G15; G10&G11; G10&G13; G11&G13; G5&G15; G5&G14 might be suitable choice for future hybridization programme.Bangladesh J. Agril. Res. 40(4): 607-618, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Effect of nitrogen on different genotypes of mungbean as affected by
           nitrogen level in low fertile soil

    • Authors: MA Razzaque, MM Haque, MA Karim, ARM Solaiman, MM Rahman
      Pages: 619 - 628
      Abstract: A pot experiment was conducted at Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur during kharif- II season (August to November) of 2010 to find out the nitrogen acquisition and yield of mungbean genotypes affected by different levels of nitrogen fertilizer in low fertile soil. Ten mungbean genotypes viz. IPSA-12, GK-27, IPSA-3, IPSA-5, ACC12890053, GK-63, ACC12890055, BARI Mung-6, BUmug- 4 and Bina moog- 5 and six nitrogen fertilizer levels viz. 0, 20, 40, 60, 80 and 100 kg N ha-1 were included as experimental treatments. Results indicated that increasing applied nitrogenous fertilizer in low fertile soil increased nitrogen acquisition of mungbean which increased number of pods plant-1 and seeds pod-1 and finally increased yield of mungbean upto 60 kg N ha-1 irrespective of genotype and thereafter decreased. Genotype IPSA -12 produced the highest seed yield (14.22 g plant-1) at 60 kg N ha-1. The lowest yield (7.33 g plant -1) was recorded in ACC12890053 in control. From regression analysis, the optimum dose nitrogen for mungbean cultivation in the low fertile soil is 54 kg ha-1.Bangladesh J. Agril. Res. 40(4): 619-628, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Performance of different crops productivity enhancement through adaptation
           of crop varieties at charland in Bangladesh

    • Authors: MN Islam, MS Rahman, MS Alom, M Akhteruzzaman
      Pages: 629 - 640
      Abstract: Charland that are emerged as islands within the river channel or as attached land to the riverbanks as a result of erosion and accretion. In crop production systems, screening of adaptable crop varieties for charland is necessary to address the climate change issues. Hence, five separate experiments were conducted at charland of the Padma River in Kushtia district during November 2012 to May 2013 to select suitable varieties of lentil, hybrid maize, soybean, potato and mustard for increasing crop productivity. The experiment comprised of four lentil varieties viz. BARI Masur-4, BARI Masur-5, BARI Masur-6 and a local cultivar; four hybrid maize varieties namely BARI Hybrid maize-5, BARI Hybrid maize-7, BARI Hybrid maize-9 and Pacific-11; three soybean varieties like BARI Soybean-5, BARI Soybean-6 and Shohag; four potato varieties viz., BARI Alu-7, BARI Alu-8, BARI Alu-31 and Belgium; and five mustard varieties viz., BARI Sarisha-11, BARI Sarisha-13, BARI Sarisha-14, BARI Sarisha-15 and BARI Sarisha-16 were evaluated separately in five trials for their adaptation in charland. Among the studied crops, lentil var. BARI Masur-6, maize var. BARI Hybrid maize-9, soybean var. BARI Soybean-6, potato var. BARI Alu-7 and mustard var. BARI Sarisha-11performed better in the charland under climate change situation in Bangladesh.Bangladesh J. Agril. Res. 40(4): 629-640, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Impact of harvest stage on seed yield quality and storability of french
           bean

    • Authors: Md Rayhan Shaheb, Md Nazmul Islam, Ashratun Nessa, Md Altab Hossain, Ayesha Sarker
      Pages: 641 - 656
      Abstract: Good quality seeds are one of the least expensive but vital factors influencing yield potential and key to agriculture progress. Studies were conducted both in the field and laboratory with the objective to observe the impact of harvest stage on the seed, quality and storability of French bean. Five harvest stages viz. H1- deep green with light yellow colours of pod, H2-50% green and 50% yellowing of pods, H3-light brown with few yellow colour pods, H4-90% brown colour of pods and H5-100% brown colour and dried pods were considered as treatments for field trial. Harvested seeds were then stored in both cool room and ambient conditions up to 16 months and performed seed quality studies in every 4 months. The treatments combination of laboratory studies were T1: H1 seed storage in cool room (SSCR), T2: H1 seed storage in ambient (SSAB), T3: H2 SSCR, T4: H2 SSAB; T5: H3 SSCR; T6: H3 SSAB; T7: H4 SSCR; T8: H4 SSAB; T9: H5 SSCR and T10: H5 SSAB. Experiments were laid out in a RCBD and CRD in the field and laboratory, respectively. Results revealed that the highest seed yield and quality of French bean was observed in H3. On the contrary, seed harvested in H4 and stored in cool room (with the mean temperature 18-20oC and relative humidity around 60-70%) recorded the highest storability compared to ambient condition. However, seeds harvested in H3 and H5 were also showed better storability in cool room as well as ambient conditions. To sum up, all the seed quality parameters were satisfactorily well up to 12 months of storage then it declined in quality.Bangladesh J. Agril. Res. 40(4): 641-656, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Efficacy of some insecticides against insect pests of mungbean (Vigna
           radiata L.)

    • Authors: Md Altaf Hossain
      Pages: 657 - 667
      Abstract: Efficacy and profitability of insecticidal management practices using different insecticides were tested against insect pests of mungbean at Pulses Research Center, Ishurdi, Pabna, Bangladesh during two consecutive seasons of kharif-1 2013 and 2014. Insect infestations were reduced significantly by the application of synthetic insecticides. Spraying of Imidachloprid (Imitaf 20 SL) @ 0.5 ml/l of water showed the best efficacy in reducing flower infestation and thrips population followed by Fipronil (Regent 50 SC). Spraying of Thiamethoxam + Chlorantraneliprol (Voliam flexi 300 SC) @ 0.5 ml/l of water showed the best efficacy in reducing pod borer and flea beetle infestations. Spraying of Fipronil (Regent 50 SC) performed highest efficacy against stemfly infestation. The yield and the highest net return were obtained from Voliam flexi 300 SC, the highest benefit was obtained from Regent 50 SC treated plots. This might be due to the higher cost of Voliam flexi that reduced the profit margin and showed the lower marginal benefit cost ratio (MBCR) compared to Regent. Therefore, considering the efficacy and benefit, spraying of Fipronil (Regent 50 SC) @ 0.5 ml/l is the most profitable insecticidal management approach against insect pests of mungbean followed by Imidachloprid (Imitaf 20 SL) at the same dose.Bangladesh J. Agril. Res. 40(4): 657-667, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Farm level impact study of power tiller operated seeder on service
           providers’ livelihood in some selected sites of Bangladesh

    • Authors: MA Monayem Miah, M Enamul Haque
      Pages: 669 - 682
      Abstract: The custom hiring of power tiller operated seeder (PTOS) is highly profitable at farm level and service providers could improve their livelihood through this machine. The data and information on these aspects are scarce in Bangladesh. Therefore, an attempt was made to conduct this study to assess the uses pattern and the impacts of PTOS operations on service providers’ livelihood. A total of 53 service providers were randomly selected and interviewed for this study from Dinajpur and Rajbari districts. The study revealed that most respondents provided PTOS services almost throughout the year. The custom hiring of PTOS created many positive impacts on the livelihoods of the service providers. PTOS made a remarkable improvement in the livelihoods of its service providers in the study areas. The respondent service providers experienced a considerable increase in their land holdings (8.6%), annual income (63.4%), livestock resources (44%), farm equipment (20%), household assets position, and dwelling houses (42%). The increased income of beneficiaries are mostly spent on farm machinery, nutritious food, cloths, health care, education, and making of houses that indicate higher standard of riding to some extent, compared to pre PTOS service period. The service providers faced some problems like higher fuel cost, lack of riving facility, non-availability and higher price of spare parts, roller jam, and lack of trained driver. Financial support and technical assistance regarding PTOS should be made available by the government for service providers and local manufacturers for the higher adoption of PTOS in Bangladesh.Bangladesh J. Agril. Res. 40(4): 669-682, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Genetic divergence in pumpkin (Cucurbita moschata L.) Genotypes

    • Authors: S Sultana, MA Kawochar, S Naznin, H Raihan, F Mahmud
      Pages: 683 - 692
      Abstract: Genetic diversity using Mahalanobis’s D2 technique was studied for yield and its components on twenty one genotypes of pumpkin (Cucurbita moschata L.). Quantification of variability for each character was done using the Shannon Weaver Diversity Index. High degree of variation was exhibited within the collection, as reflected by mean diversity index value of 0.80. Data were subjected to principal component analysis (PCA), principal coordinate analysis (PCO), canonical variate analysis (CVA) and non-hierarchical clustering to identify suitable parents having distant relationship for hybridization program. The genotypes were grouped into five different clusters. Cluster IV contained the maximum number of seven genotypes whereas cluster I contained least number having only one genotype. The lowest inter-genotypic distance (0.75) was found between BD-2174 and BD-9489 where the highest (47.46) was between BARI Mistikumra-1 and BD-2150. The maximum inter cluster distance was observed between cluster II and III (17.922) and the minimum inter cluster distance was observed between cluster II and IV (6.825). The maximum intra cluster distance was noticed for the cluster V (0.261) and the minimum intra cluster distance was found in cluster I (0.00). Cluster I contained the highest mean values for pedicel length of male flower, number of male flowers/plant, fruit length, fruit breadth, single fruit weight and fruits/plant. Cluster II contained the highest mean values for days to first male and female flowering. Cluster III contained the highest mean values for leaf breadth, pedicel length of female flower and number of female flowers/plant. Leaf breadth, pedicel length of male flower, number of male flowers/plant and fruits/plant were the important components of genetic divergence in the studied materials. Based on inter cluster distance, inter genotypic distance and consideration of desirable characters for high yield potential, the genotypes G19 (BARI mistikumra-1) and G20 (BARI mistikumra-2) from cluster II; G21 (BD-2150) from cluster I and G1 (BD-2151) and G13 (BD-266) from cluster III can be selected as better parents for future hybridization program.Bangladesh J. Agril. Res. 40(4): 683-692, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Development of union level digital databases and maps of maize growing
           areas at pirgonj in Thakurgaon District

    • Authors: MA Uddin, KS Rahman, MM Rahman, N Mohammad, AFM Tariqul Islam
      Pages: 693 - 702
      Abstract: A study was conducted during 2012-13 to build union level digital databases and maps of maize growing areas using both primary and secondary data. Primary data were collected from maize growing areas of the upazilla namely Pirgonj of Thakurgaon district. For summer and winter maize; union, upazila, district and country level digitized maps were used in the study. Geographical Information System (GIS), Global Positioning System (GPS) and Management Information System (MIS) related Information Technology (IT) were also applied. Total cultivable land 28138 ha in Pirgonj upazila and area and production of maize were 5100 ha and 34508.75 t respectively. Sixteen (16) varieties were cultivated in the study areas and maximum area (74.09%) of maize was cultivated by the executive varieties NK40, Pacific 984, 900M Gold, 900M, 3396, and Supergold. Average maize yield of the study areas was 6.77 t/ha during 2012-13. A web site was developed for variety wise area coverage data collection of maize as well as for other crops. This web site can also be used in mobile phone.Bangladesh J. Agril. Res. 40(4): 693-702, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Determination of optimum sample size for measuring the contributing
           characters of bottle gourd

    • Authors: N Mohammad, MS Islam, KS Rahman, MM Rahman, S Nasrin
      Pages: 703 - 709
      Abstract: To improve efficiency in collecting data from field experiment on fruit attributes of bottle gourd (Lau), the sample size was studied for sample size at Olericulture Division, Horticulture Research Centre (HRC) of Bangladesh Agricultural Research Institute (BARI) Gazipur during 2012-13. The treatments/varieties were LS 0026-5-3, LS 0012-5-3, LS 117-F-1, LS 117-A-2 and BARI Lau-3. Fruit length, breadth and weight of bottle gourd (Lau) data were collected from the experimental plot. The data were used to design optimum sampling plan from equal number of observations per cell. The observation on fruit length (cm), breadth (cm) and weight (kg) were taken from 5 plots/treatments at random. A randomized complete block design (RCBD) with 3 replications and five treatments/varieties was used in this experiment. Five (5) plants per plot and 2 fruits per plants (10 fruits per plot) were the original sampling plan for this experiment. A sampling plan of selecting 4 plants at random and measuring 2 fruits per selected plant (8 fruits per plot and plots were 25m2 i.e. 10m long and 2.5m wide) was found to be optimum and economical for taking measurements of fruit attributes in field experiments on bottle gourd.Bangladesh J. Agril. Res. 40(4): 703-709, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
  • Efficacy of fungicides and botanicals in controlling foot and root rot of
           lentil

    • Authors: Md Shahiduzzaman
      Pages: 711 - 715
      Abstract: Abstract not availableBangladesh J. Agril. Res. 40(4): 711-715, December 2015
      PubDate: 2016-03-02
      Issue No: Vol. 40, No. 4 (2016)
       
 
 
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