نتایج جستجو برای: were evaluated as tolerant vs relatively resistant cultivars
تعداد نتایج: 7390671 فیلتر نتایج به سال:
abstract poor reading comprehension can result in failure in using references, benefiting from professional gatherings and resources, keeping up with the growing body of knowledge in the virtual world of the internet, and failing to achieve in efl programs. the purpose of the present quasi-experimental study was to explore the effects of background knowledge and previewing narrative and expos...
This study was conducted to assess the induced-changes in the content of total phenolics and individual phenolic acids, total and individual polyamines and some organic acids in the leaves of two important Iranian grapevine cultivars under different durations of drought stress, and to determine their involvement in grapevine drought tolerance. For this purpose, ‘Yaghuti’ as a drought-toler...
like any other learning activity, translation is a problem solving activity which involves executing parallel cognitive processes. the ability to think about these higher processes, plan, organize, monitor and evaluate the most influential executive cognitive processes is what flavell (1975) called “metacognition” which encompasses raising awareness of mental processes as well as using effectiv...
Twenty locally grown tomato cultivars were evaluated for their in vitro heat tolerance. Leaf discs were collected during vegetative, flowering and fruiting stages and incubated in water bath at 40°C for 1, 2 and 3 hours. Electrical conductivity (EC) was measured as an indication of cell injury due to electrolytes leakage. The results indicated that cultivars can be classified into three groups ...
Root-knot nematodes (Meloidogyne spp.) are the limiting factors of agriculture crops including pepper. The M. incognita has widely distributed in pepper fields of Gilan Province. In this study, eleven pepper cultivars including AA pepper (Hyb. Coyame- Petoseed, Hyb. Aziz- Petoseed, Hyb. Bounty- Petoseed) and Bell peppers (California Wonder 301- Petoseed, Hyb. Camelot- Petoseed, Hyb. King Arthur...
This study reports effect of salinity on some growth attributes of two sugarcane cultivars at grand growth stage, in comparison with the control plants. In view of data presented here for different growth attributes, it is clear that responses of two varieties of sugarcane were different at different salinity levels. However, saline growth medium caused an overall reduction in growth in both th...
Drought stress, which is the most important abiotic stress factor affecting arable land in world, causes serious crop losses. These losses reach up to 70% some agricultural plants. Understanding complex drought response very develop a strategy against this form of stress. Although progress has been achieved with previous studies, desired targets have not reached now. Therefore, using resistant ...
Extended Abstract Introduction and Objective: Leaf stripe disease of barley is caused by the seed transmitted hemi-biotrophic fungus Pyneophera graminea which has spread in to important areas of barley production in Iran especially in Khorasan Razavi province. The fungus survives as a mycelium in the pericarp, the hull and the seed coat, but not in the embryo. During the seed generation, its g...
Drought stress severely affects growth, development and productivity in most agricultural crops. Since ancient times, rootstocks have been used to enable crop cultivation unsuitable soil conditions. In the present study, three factors were evaluated: 1) cultivar: Vitis vinifera L. cv. ‘Horozkarası’ (drought-tolerant) ‘Kabarcık’ (drought-sensitive) used; 2) rootstock: each cultivar was self-root...
in this study, the winter cold tolerance of seven strawberry cultivars was evaluated using a rcbd design with a split plot arrangement at bu-ali sina university in 2014. after exposure of plants to low temperatures (+4, -5, -10, -15, -20 and -25oc), the values of electrolyte leakage, index of freeze injury, rwc, total chlorophyll and chlorophyll fluorescence parameters (f0, fm, fv and fv/fm) we...
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