نتایج جستجو برای: for both plants
تعداد نتایج: 10781028 فیلتر نتایج به سال:
There are evidences showing that adverse impacts of aluminum (Al) on plants growth and development are associated with its effect on plasma membrane and cell wall. Influence of Al on peroxidation of membrane lipids, wall-bound phenolics, lignin, soluble phenolics and the activity of certain enzymes involved in metabolism of phenols, i.e., phenylalanine ammonia lyase (PAL) and polyphenol oxidase...
In this study, the difference between the resistance of wheat plants (c3) and maize (c4) the salinity was investigated. Research on environmental stresses (Hakimi, 2008) show thatstresses are considered as Limiting factors in crop production.and some phenolic compounds such as salicylic acid are used to improve or alleviate the negative effects of stress. In this study, plants were grown in pla...
A greenhouse experiment with potted plants was conducted to study the effect of arbuscular mycorrhiza (Glomus intraradices) fungal inoculation on The growth, cadmium concentration and The activates of antioxidant enzymes (Superoxide Dismutase (SOD) and Catalase (CAT)) in sunflower and safflower in four levels of Cd (0, 2.5, 5 and 25 mg Cd kg-1 soil). Treatment were arranged in the experiment fa...
in the first part of this thesis we explored wetting and its dynamics for small droplets. first, we showed how a simple feature of water droplets on a surface, i.e. laplace pressure, can be exploited to build a micropump. we investigated capillary pumping in microchannels both experimentally and numerically. putting two droplets of different sizes at the in/outlet of a microchannel, will ge...
elisa values (o.d.s) of extracts of separately roots and individual leaves of barley and wheat plants infected by a french bydv-pav isolate (pav-4), were assessed for five dif-ferent virus incubation periods in controlled conditions (5, 10, 15, 20 and 25 days after in-oculation). in most cases, virus contents of individual roots or leaves were not statistically different for barley and wheat. f...
palatability includes plants physical and chemical property that encourages an animal selecta plant for grazing. this study is an attempt for intruducing an indicator for determining thepalatability of rangeland plants. to do this, the relationship between palatability and foragequality of rangeland plants in karsanak rangelands of the chaharmahal-va-bakhtiari provincewas studied. first, plant ...
The interactive effects of nickel (Ni) and ascorbic acid (AsA) and gibberellin (GA3) on soybean seedlings (Glycine max L. cv. Union × Elf) were examined. Seven-day old hydroponically-grown seedlings were exposed to NiCl2, 6H2O (0.5 mM), either with or without AsA (1 mM) or GA3 (0.05 mM) or AsA (1 mM) plus GA3 (0.05 mM), for five days. Nickel toxicity symptoms, such as formation of reddish-brown...
abstract listening is a key and main tool in second language skill and its development is of prime concern to teachers and learners. furthermore, the application of technology in language classrooms has become more commonplace in the last fifty years. computer and the internet have made foreign language materials easy to access and use. so, the present study is an attempt to examine the effec...
Cancer disease has been on the increase recently in both developed and developing countries of the world resulting in 40 million deaths annually. Ethno-medicinal survey of indigenous herbal plants used in traditional medicine in the treatment of cancers was conducted in major communities in Bali, Gashaka and Sarduana Local Government Areas Taraba State Nigeria. Traditional medicine practitioner...
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