The effect Avena sativa L. seeds coating with amylose and agar on seeds germination and physiologic indexes in alkaline stress

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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Naked oat (Avena sativa L.) is an important cereal in temperate regions. In order to investigate the effect of seeds coating with amylose and agar on germination and physiological indices of naked oats in alkali stress, a factorial experiment was conducted in a randomized complete block design. The factors used in this study included different methods of coating the seeds (non-coating, agar coating and amylose coating), different levels of alkaline stress with sodium carbonate and sodium bicarbonate ratio of 9 to 1 (values of 0-90 mM, respectively with pH 6- 10) and for 7 days in petri dish and 20 days in the pot, respectively. Seed germination ability, amylase activity, germination speed, growth, mineral and chlorophyll a and b content were evaluated. The results of this study showed that the coating of seeds plays an important role in increasing plant resistance in environmental stresses such as alkali tension. Amylose and agar are available and inexpensive materials used in this study to cover oat dextrose seeds and reduce the effect of alkaline stress and improve plant growth ability (viability), amylase activity, germination rate, plant growth, avoidance Chlorophyll decomposition and reduction of mineral absorption were in alkaline stress. Amyloid cover was better suited for seeding under normal conditions and alkaline stress but the coating was more suitable for preserving the ability to grow seed and increase seed in higher alkali concentrations.
Language:
Persian
Published:
Iranian Journal of Seed Science and Technology, Volume:9 Issue: 4, 2021
Pages:
1 to 10
https://magiran.com/p2253163  
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