نتایج جستجو برای: root growth stageafter 8
تعداد نتایج: 1534592 فیلتر نتایج به سال:
Salinity stress is an important challenge for wheat production in the world. Plant growth promoting rhizosphere bacteria, isolated from halophytic plants, can increase the tolerance of crop plants to salinity by direct and indirect mechanisms. In this study, plant growth-promoting traits of bacterial strains (Bacillus safensis, Bacillus pumilus and Zhihengliuella halotolerans), isolated from th...
Soil salinity is an increasing environmental stress on crops in most areas of Iran since farmers use underground saline water for irrigation. In order to investigate the effects of salt stress on germination and seedling growth of safflower (Carthamus tinctorius L.), an experiment was conducted at two stages (germination seedling growth), using four levels of NaCl salinity (0, 5, 10, 15 ds/m), ...
Low concentrations of auxin (e.g. 10(-10)m) do not promote the growth of intact seedling roots of maize (Zea mays L. Bear Hybrid WF 9 x 38). Higher concentrations are inhibitory. When the roots are pretreated with the ethylene biosynthesis inhibitors, cobalt and aminoethoxyvinylglycine, auxin (10(-10) to 10(-8)m) strongly promotes their growth. The promotion of growth by auxin in pretreated roo...
In an approaching scenario of soil nutrient depletion, root association with soil microorganisms can be key for plant health and sustainability [1-3]. Symbiotic arbuscular mycorrhizal (AM) fungi are major players in helping plants growing under nutrient starvation conditions. They provide plants with minerals like phosphate and, furthermore, act as modulators of plant growth altering the root d...
Arbuscular mycorrhizas possess well developed extraradical mycelium (ERM) network that enlarge the surrounding soil for better acquisition of water and nutrients, besides soil aggregation. Distinction in ERM functioning was studied under a rootbox system, which consisted of root+hyphae and root-free hyphae compartments separated by 37-μm nylon mesh with an air gap. Trifoliate orange (Poncirus t...
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