نتایج جستجو برای: dorfak
تعداد نتایج: 21 فیلتر نتایج به سال:
To compare the allelopathic potential of some Guilan province rice cultivars with allelopathically approved IRRI rice cultivars, a factorial experiment was conducted in completely randomized block design with 3 replications on the Experimental Farm of Agricultural College of Guilan University in spring 2005. Two factors including a) seven rice cultivars (traditional cultivars of Hashemi, Ali Ka...
in order to evaluate the morphological characteristics and lodging related traits and carbohydrate content of culm and carbohydrate remobilization in traditional and improved rice cultivars, a field experiment was laid out in randomized complete block design with three replications at rice research institute of iran )rasht( in 2012 and 2013. rice genotypes included three native rice cultivars (...
because of importance of morphological characteristics, canopy temperature and their relationship with grain yield in rice varieties, an experiment was conducted based on split plot in a randomized complete block design with three replications in two years (2013-2014) at the college of agriculture, university of guilan. the experiment consisted of three transplanting times (5, 20 may and 5 june...
Groundwater vulnerability assessment is of crucial importance for land use/cover management. Some methods have been proposed specifically for the karst hydrogeological settings. Among them, COP and PaPRIKa, as two commonly applied recent methods, were adopted for the resource vulnerability assessment of a humid temperate karst region, north of Iran. Comparison of water bacterial content and dis...
In order to evaluate the morphological characteristics and lodging-related traits and comparison of improved cultivars of rice plant resistance to lodging, a field experiment was carried out in randomized complete block design with three replications in 2012 at the Rice Research Institute of Iran )Rasht(. Rice cultivars were Kadus, Khazar, Gohar, Dorfak, Sepidrood and Deylam and local rice cult...
One component of integrated weed management is use of cultivars with high competitive ability against weeds. Balance between competitiveness and productivity of rice under condition of presence or absence of weeds, is complicated the breeding of rice cultivars to increase competitiveness against weeds. Path coefficient analysis has been widely used in crop breeding to determine the nature of re...
To compare the allelopathic potential of some Guilan province rice cultivars with allelopathically approved IRRI rice cultivars, a factorial experiment was conducted in completely randomized block design with 3 replications on the Experimental Farm of Agricultural College of Guilan University in spring 2005. Two factors including a) seven rice cultivars (traditional cultivars of Hashemi, Ali Ka...
Considering to drought stress importance as most important limiting factor in rice production in world, identification of tolerant genotypes to drought can be a valuable approach to deal with the drought stress. In the present experiment plant materials contains 53 rice genotypes including 31 aerobic and 22 lowland (landrace) rice that were grown in two conditions under drought stress and norma...
In order to investigate the effects of temperature and radiation on rate and duration of grain filling and final grain weight in rice cultivars, a split plot experiment based on randomized complete block design with three replications was conducted at different transplanting times at the research field of University of Guilan, Rasht, Iran in 2013. Factors were: transplanting dates in main plots...
در این تحقیق 98 ژنوتیپ داخلی و خارجی برنج از نظر مقاومت به کرم ساقهخوار نواری برنج، Chilo suppressalis، در شرایط مزرعهای در مؤسسه تحقیقات برنج در مازندران-آمل غربال شدند. آزمایش در قالب طرح بلوکهای کامل تصادفی در 3 تکرار انجام شد. در مرحلهی زایشی گیاه برنج از هر کرت 5 بوته بهطور تصادفی انتخاب و کفبر شدند. سپس درصد خوشههای سفید شده، تعداد لارو بر بوته، ارتفاع بوته، قطر ساقه و تعداد ساقه د...
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