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RISS 인기검색어
- 검색키워드
- 저자 : Md. Moynul Haque (검색결과 4 건)
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Md. Abu Hasan,Jalal Uddin Ahmed,Tofazzal Hossain,Md. Abdul Khaleque Mian,Md. Moynul Haque 한국작물학회 2013 Journal of crop science and biotechnology Vol.16 No.1
To examine the effect of high temperature during seed development and maturation on seed quality of wheat, seeds of four heattolerant and two heat-sensitive wheat genotypes obtained normal and high temperature growing conditions were tested for quality. High parent plant growth temperature during seed development and maturation resulted in poor seed quality. The effect of parent plant growth temperature on seed germination and speed of germination was inconsistent between heat tolerant and heat-sensitive wheat genotypes. Seed vigor as indicated by seed density, conductivity of seed leachates, seedling dry weight, production of normal seedlings, seed reserve utilization efficiency, and seedling emergence were reduced in all wheat genotypes due to higher parent plant growth temperature but heat-sensitive wheat genotypes were affected more than the heat-tolerant genotypes.
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Abu Hasan, Md.,Ahmed, Jalal Uddin,Hossain, Tofazzal,Mian, Md. Abdul Khaleque,Haque, Md. Moynul 한국작물학회 2013 Journal of crop science and biotechnology Vol.16 No.1
To examine the effect of high temperature during seed development and maturation on seed quality of wheat, seeds of four heat-tolerant and two heat-sensitive wheat genotypes obtained normal and high temperature growing conditions were tested for quality. High parent plant growth temperature during seed development and maturation resulted in poor seed quality. The effect of parent plant growth temperature on seed germination and speed of germination was inconsistent between heat tolerant and heat-sensitive wheat genotypes. Seed vigor as indicated by seed density, conductivity of seed leachates, seedling dry weight, production of normal seedlings, seed reserve utilization efficiency, and seedling emergence were reduced in all wheat genotypes due to higher parent plant growth temperature but heat-sensitive wheat genotypes were affected more than the heat-tolerant genotypes.
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Genotypic Variability in Plant Water Status of French Bean under Drought Stress
Choudhuryl, Apurba Kanti,Karim, Md. Abdul,Haque, Md. Moynul,Khaliq, Qazi Abdul,Ahmed, Jalal Uddin,Hossain, Md. Mofazzal 한국작물학회 2011 Journal of crop science and biotechnology Vol.14 No.1
Seven genotypes of French bean (Phaseolus vulgaris L.) were evaluated under semi-controlled conditions at the Bangabandhu Sheikh Mujibur Rahman Agricultural University, Bangladesh to analyze genotypic variability in leaf water status under water stress. The plants were grown under two moisture regimes, viz. 80% field capacity (FC) and 50% FC throughout the growing season. The genotypes showed significant variation in water relation traits. Genotypes BB24 and BB43 maintained higher relative water content (RWC), but lower turgid weight/dry weight ratio (TW/DW) and water uptake capacity (WUC). When drought susceptibility index (DSI) among the genotypes was considered, BB24 was found the most tolerant to drought and BB04 was the most susceptible one. A close positive relationship between leaf TW/DW and DSI under drought was recorded ($R^2=0.627$). Leaf TW/DW was decreased considerably due to water stress by 10% in genotype BB24 followed by BB43 (13%), and both BARI bushbean-2 and BB04 (19%). Stomatal aperture and whole plant transpiration rate were found minimal in the BB24 and BB43 compared to that of BB04 and BARI bushbean-2. Considering these water relation traits, genotypes BB24 and BB43 may be considered as relatively tolerant to tissue dehydration. The study also revealed that the TW/DW, WUC, stomatal aperture, and whole plant transpiration rate was negatively and significantly associated with yield; however, the RWC was positively correlated with yield under water stress conditions.
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Genotypic Variability in Plant Water Status of French Bean under Drought Stress
Apurba Kanti Choudhury,Md. Abdul Karim,Md. Moynul Haque,Qazi Abdul Khaliq,Jalal Uddin Ahmed,Md. Mofazzal Hossain 한국작물학회 2011 Journal of crop science and biotechnology Vol.14 No.1
Seven genotypes of French bean (Phaseolus vulgaris L.) were evaluated under semi-controlled conditions at the Bangabandhu Sheikh Mujibur Rahman Agricultural University, Bangladesh to analyze genotypic variability in leaf water status under water stress. The plants were grown under two moisture regimes, viz. 80% field capacity (FC) and 50% FC throughout the growing season. The genotypes showed significant variation in water relation traits. Genotypes BB24 and BB43 maintained higher relative water content (RWC), but lower turgid weight/dry weight ratio (TW/DW) and water uptake capacity (WUC). When drought susceptibility index (DSI) among the genotypes was considered, BB24 was found the most tolerant to drought and BB04 was the most susceptible one. A close positive relationship between leaf TW/DW and DSI under drought was recorded (R2 = 0.627). Leaf TW/DW was decreased considerably due to water stress by 10% in genotype BB24 followed by BB43 (13%), and both BARI bushbean-2 and BB04 (19%). Stomatal aperture and whole plant transpiration rate were found minimal in the BB24 and BB43 compared to that of BB04 and BARI bushbean-2. Considering these water relation traits, genotypes BB24 and BB43 may be considered as relatively tolerant to tissue dehydration. The study also revealed that the TW/DW, WUC, stomatal aperture, and whole plant transpiration rate was negatively and significantly associated with yield; however, the RWC was positively correlated with yield under water stress conditions.
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