نتایج جستجو برای: 2008 growing seasons three rapeseed cultivars okapi
تعداد نتایج: 1612464 فیلتر نتایج به سال:
Fitness of virulent (avrLm1 and avrLm4) or avirulent (AvrLm1 and AvrLm4) isolates of Leptosphaeria maculans on Brassica napus without the corresponding resistance genes Rlm1 and Rlm4 was investigated in controlled environment (CE) and field experiments. Results indicate that there is a measurable fitness cost for virulent isolates compared to avirulent isolates in terms of number of lesions, si...
Some varieties of Brassica napus (rapeseed) and B. rapa contain a liner mitochondrial plasmid that is unique in that it can be inherited from the male parent through the pollen. We found that two rapeseed cultivars, Norin 16 and Westar, showed different rates of plasmid inheritance from the paternal parent (78.8% and 27.5%, respectively). To identify nuclear genes controlling the inheritance of...
Feedstock quality of switchgrass for biofuel production depends on many factors such as morphological types, geographic origins, maturity, environmental and cultivation parameters, and storage. We report variability in compositions and enzymatic digestion efficiencies for three cultivars of switchgrass (Alamo, Dacotah and Shawnee), grown and harvested at different locations and seasons. Sacchar...
water shortage in the agricultural sector is currently a major challenge in crop production. the more efficient water usage is that which increases yield without increasing water use. thus, a determination of the water-yield relationship is essential. a field study was conducted to examine water-yield relations in three genotypes of soybeans, including optimum irrigation depth, a comparison of ...
Surface energy balance components, including actual evapotranspiration (ET), were measured in a reducedtill maize-soybean field in south central Nebraska during three consecutive non-growing seasons (2006/2007, 2007/2008, and 2008/2009). The relative fractions of the energy balance components were compared across the non-growing seasons, and surface coefficients (Kc) were determined as a ratio ...
Pollination and fertilization of canola flowers are the main factors of canola seed production. In order to study the effects of insect pollinators on seed quantity and quality of three chosen cultivars of canola, namly, S.L.M., Okapi and Talaye, a split plot experiment in a complete randomized block design with four replications was carried out in Isfahan region. Main plots consisted of canola...
Yield and lodging related traits are essential for improving rapeseed production. The objective of the present study was to investigate the influence of plant density (D) and nitrogen (N) rates on morphological and physiological traits related to yield and lodging in rapeseed. We evaluated Huayouza 9 for two consecutive growing seasons (2014-2016) under three plant densities (LD, 10 plants m-2;...
to study the yield and change the attributes associated with it, the field experiments were conducted at the gorgan university of agricultural sciences research farm, gorgan, iran in the growing seasons of 2007-2008 and 2008-2009 under well-watered conditions. the 16 cultivars were sown in a randomized complete block design with three replications. the results showed that during breeding activi...
to study the effects of sowing dates on seed germination and on seed vigor of 12 spring rapeseed cultivars, an experiment was performed in years 2005-2006. during the first year, 12 cultivars of spring rapeseed were planted in the research field of seed and plant improvement institute, karaj, iran. during the second year, standard germination test was conducted to study the performance of the s...
A two years field study was conducted to evaluate the yield and yield components response of five barley cultivars to different cycocel (CCC) concentrations in College of Agriculture, Shiraz University during 2011-12 and 2012-13 growing seasons. This study was carried out as a split plot experiment based on randomized complete block design with three replicates. The treatments included cycocel ...
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