نتایج جستجو برای: plant growth regulators pgrs
تعداد نتایج: 1179551 فیلتر نتایج به سال:
background: ferula gummosa boiss. is a medicinal and economical plant belonging to apiaceae family. it is a native herb of iran and is in serious danger of extinction. objective: gamma irradiation is an environmental stress and can consider as a new tool to change the content of secondary metabolites in medicinal plants. the effect of gamma irradiation on phenolic content and radical scavenging...
introduction the plant hormones such as salicylic acid and gibberellin can affect the quantity and quality of crops. external application of plant growth regulators as a strategy for improving salt tolerance in plants is discussed. foreign salicylic acid can regulate antioxidant enzyme activity and increase plant resistance to abiotic stresses. salicylic acid reduction due to ethylene through t...
In order to evaluate the effect of plant growth regulators on sex determination and yield, an experiment was conducted by spraying different hormonal combinations on medicinal pumpkin. Experimental treatments were included different concentrations of NAA (25, 75, 100, 125 mg/l), paclobutrazol (50, 100, 200 and 300 mg/l) and combination of growth regulators (NAA 25 mg/l + PBZ 50 mg/l), (NAA 75 m...
Abstract Unsuitable concentrations of herbicides, lack of weed control and the severe damage to the plant will cause . Plant growth regulators can play a role in reducing damage . For this purpose, in shahid Bahonar University research greenhouse two experiment was carried out in 1391. The first experiment in a completely randomized design includes selective herbicides in five level, haloxy...
The percent study describes the in vitro responses of mature zygotic embryos of Boscia senegalensis to different concentrations (0.0-5.0 mg/L) of 6-benzyladnine (BA), Thidiazuron (TDZ), α-Naphthalene acetic acid (NAA), and 2, 4-Dichlorophenoxyacetic acid (2, 4-D) supplemented on Murashige and Skoog medium (MS). The plant growth regulators (PGRs) were considerably affected the morphogenetic resp...
Plant growth regulators (PGRs) are used to prevent reduction in rapeseed grain yield under limited moisture conditions. A field experiment was conducted to investigate the effect of paclobutrazol (0, 50, 100, 150 and 200 mg L-1) on canopy surface temperature and some quantitative and qualitative characteristics of two rapeseed cultivars (Okapi and Natalie) under full irrigation and late season ...
Plant Genetic Resources (PGRs) are one of the most valuable natural resources of anycountry. Biotechnology through genetic engineering of plants and the creation of new plantvarieties can increase the value of these resources. Different technical and legalmechanisms such as ex situ/in situ collection of PGRs, and Intellectual Property Rights(IPRs...
Abstract Background The bitter gourd fruit yields are not at a desirable level due to maleness. Maleness is one of the biggest difficulties with gourd, reducing substantially. On other hand, plant stages most important consideration for PGR application because their sensitive responsiveness. Therefore, it necessary determine how plants respond growth regulators, namely 0 (control: water as cont...
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