نتایج جستجو برای: growth regulators
تعداد نتایج: 852765 فیلتر نتایج به سال:
background: stevia rebaudiana bertoni, an important anti-diabetic medicinal plant, becomes an inevitable alternative to sugar. due to the propagation difficulties, tissue culture is the best alternative for rapid mass propagation of stevia plants. objective: the present study was conducted to optimize a protocol for rapid micropropagation of stevia rebaudiana by shoot tip explants and to invest...
shoot tips from actively growing, greenhouse maintained plants of kalanchoe blossfeldiana were cultured in vitro for shoot proliferation and root initiation on murashige and skoog (ms) basal medium supplemented with naa and ba, both in concentrations of 0.00, 0.50, 1.00 and 2.00 mg l-1. results showed that the maximum plantlets height (7.012 cm), node number (4.516), root number (8.860) and roo...
Plant growth regulators are hormone-like chemicals that occur naturally in plants, and play a central role in their growth and development. Five major classes of plant growth regulators have been identified as plant hormones, but scientists believe that there are more waiting to be discovered. The five growth hormones include auxins, gibberellins, cytokinins, abscisic acid, and ethylene. Collec...
Field experiments designed to study the possible uses of plant growth regulators on several different varieties of beans grown under the diverse conditions of southern California had three general objectives: I, to investigate the possibility of increasing yield of green or dry lima beans, bush or pole snap beans by the application of sprays of plant hormones; 2, to delay the maturity of lima b...
background: fenugreek (trigonella foenum - graecum l.) is an annual medicinal plant belongs to the legume family and has anti-diabetic, anti-fertility, anticancer, anti-microbial, anti-parasitic and hypocholesterolaemic effects. objective: evaluation of growth and trigonelline /mucilage content in fenugreek under application of plant growth regulators (pgr). methods: the experiment was conducte...
The aim of this study was to determine the effects of different plant growth regulators, NAA (0 mg/l, 50 mg/l and 100 mg/l) and GA3 (0 mg/l, 50 mg/l and 100 mg/l), with various boron concentrations (0 mg/l, 50 mg/l and 100 mg/l) on pollen germination of ‘Şaba’, ‘Rabie’ and ‘Padre’ almond cultivars in 10% sucrose and 1% agar medium at 24°C in dark conditions. The results showed that different tr...
Background: Stevia rebaudiana Bertoni, an important anti-diabetic medicinal plant, becomes an inevitable alternative to sugar. Due to the propagation difficulties, tissue culture is the best alternative for rapid mass propagation of stevia plants. Objective: The present study was conducted to optimize a protocol for rapid micropropagation of Stevia rebaudiana by shoot tip explants and to inv...
Background: Fenugreek (Trigonella foenum - graecum L.) is an annual medicinal plant belongs to the legume family and has anti-diabetic, anti-fertility, anticancer, anti-microbial, anti-parasitic and hypocholesterolaemic effects. Objective: Evaluation of growth and trigonelline /mucilage content in fenugreek under application of plant growth regulators (PGR). Methods: The experiment was conduc...
The diverse effects of the plant hormone ethylene on development and growth are shaped by the actions of a master regulator of transcription, EIN3.
Research of the molecular events underlying brassinosteroid (BR) signaling is emerging as a new paradigm for studying plant hormone signal transduction pathways. Two recent reports have shown that the BZR1-BES1 family of proteins is a class of novel plant-specific transcription factors that directly bind to and regulate BR-responsive genes, thus filling in key details of the link between hormon...
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