نتایج جستجو برای: leaf stage

تعداد نتایج: 436413  

Journal: :علوم باغبانی ایران 0
میثم الیاسی مقدم کارشناس ارشد ، دانشکدۀ کشاورزی، دانشگاه زنجان طاهر برزگر استادیار، دانشکدۀ کشاورزی، دانشگاه زنجان زهرا قهرمانی استادیار، دانشکدۀ کشاورزی، دانشگاه زنجان

in order to study the effects of foliar application of naa and plant thinning on growth, yield and fruit quality of melon genotype khatooni, the experiment was conducted in a randomized complete block design with three replications at research field of faculty of agriculture, university of zanjan. treatments consisted of foliar application of naa at three levels (25, 50 and 100 mg.l-1 at 4-6 tr...

Journal: :تولید گیاهان زراعی 0
الهه احمدپور دهکردی دانشگاه شهرکرد محمودرضا تدین استاد/دانشگاه شهرکرد

in order to evaluate the effect of some qualitative traits of sugar beet (beta vulgaris l.) under irrigation water quality and different types of fertilizers, a field experiment arranged as split plot in rcbd design with three replications at research station of shahrekord university in 2013. the main factor include irrigation with urban wastewater at 2-4 leaf stage, 8-12 leaf stage and irrigat...

Journal: :Bioscience Biotechnology Research Communications 2021

Journal: :حفاظت گیاهان 0
طیبه زارعی سید عبدالرضا کاظمینی حبیب الله حمزه زرقانی

a field study was conducted to evaluate the effect of haloxyfop-r-methyl ester doses in different grass weeds in various growing stages in safflower during 2011-2012 growing season in research farm of college of agriculture, shiraz university. the study was carried our as split split plot based on randomized complete block design with three replicates. the main factor, sub factor and sub sub fa...

Journal: :علوم گیاهان زراعی ایران 0
رضا کشاورز افشار دانشجوی دکتری پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمدرضا چائی چی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران علی علیپور جهانگیری دانشجوی سابق کارشناسی ارشد دانشگاه شهید بهشتی محیا انصاری جوینی دانشجوی کارشناسی ارشد پردیس کشاورزی و منابع طبیعی دانشگاه تهران حسین مقدم استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران سید محمدرضا احتشامی استادیار دانشگاه گیلان کاظم خاوازی

to evaluate the effects of pgpr foliar spraying on forage and grain yield of forage sorghum (var. speedfeed), a farm experiment was conducted in research farm of college of agriculture, university of tehran in 2009. the experimental design consisted of a randomized complete blocks consisting of 17 treatments in every block. in this research, the effect of foliar application of 16 different stra...

Journal: :علوم گیاهان زراعی ایران 0
محسن جان محمدی علی احمدی کاظم پوستینی

the experiment was aimed at investigating the effects of defoliation (i. e. amanipulation of source size) at different times and with different intensities on yield, grain protein content and remobilization of dry matter from shoot to grain under various levels of soil moisture and nitrogen in winter wheat. two separate field experiments were conducted simultaneously under water stress vs irrig...

Journal: :پژوهش های حبوبات ایران 0
امیری ده احمدی امیری ده احمدی پارسا پارسا نظامی نظامی گنجعلی گنجعلی

in order to evaluate the effects of drought stress at different phenological stages on growth indices of chickpea (cicer arietinum l.) cultivar jam, an experiment was carried out at the research greenhouse of faculty of agriculture, ferdowsi university of mashhad, using a completely randomized design with four replications. drought stress was applied by preventing irrigation until the soil mois...

2000
J. K. Pataky P. M. Michener N. D. Freeman

Corn flea beetles, Chaetocnema pulicaria, vector Erwinia stewartii (synamorph Pantoea stewartii), which causes Stewart’s bacterial wilt of corn (Zea mays) (10,11). Flea beetles introduce E. stewartii into plant tissues that are wounded during feeding. Movement of E. stewartii in the vascular system of resistant plants is restricted to within a few centimeters of flea beetle feeding wounds. The ...

Journal: :Journal of photochemistry and photobiology. B, Biology 2014
Beatriz Dáder Dylan Gwynn-Jones Aránzazu Moreno Ana Winters Alberto Fereres

Ultraviolet (UV) radiation directly regulates a multitude of herbivore life processes, in addition to indirectly affecting insect success via changes in plant chemistry and morphogenesis. Here we looked at plant and insect (aphid and whitefly) exposure to supplemental UV-A radiation in the glasshouse environment and investigated effects on insect population growth. Glasshouse grown peppers and ...

2005
HOUGHTON ROBERTS S. N. SARMA

THE fermentation of the tea leaf is a stage in the manufacturing process of tea which has received but little attention in the past. Various qualitative studies have been made at the several Tea Research Institutes but no thorough investigation has been made apart from that of Oparin et al. [1935]. Results in this field have a considerable commercial use and they are also ofinterest to the bioc...

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