Effect of micronutrient elements on germination and seedling characteristics in sugar beet under drought stress conditions
Author(s):
Abstract:
Seeds that grow in root and stem conditions under drought conditions can be found more quickly and quickly, and in poor environmental conditions, they guarantee higher yields. The experiment was a factorial experiment with completely randomized design with three replications. The investigated factors were 8 levels of fertilizer treatment 1. Control (no spraying) 2. Pure iron (2 per thousand) 3. Pure manganese (2 per thousand) 4. Pure boron (2 per thousand) 5. Boron and manganese (4 In thousand) 6. Iron and boron (4 per thousand) 7. Iron and manganese (4 per thousand) 8. Manganese and boron (6,000) and five osmotic potential levels (0, 2-, 4-, 6-, 8-). Polyethylene glycol 6000 was used to create various osmotic potentials. With the occurrence of osmotic stress, germination speed, germination uniformity, germination percentage and traits related to root and shoot dry weight, root length and shoot length decreased significantly. Germination percentage is related to root length. The roots become green before other plant organs come out of the seed. Consequently, they are subjected to environmental stress before other organs. Therefore, root length trait is a suitable criterion for choosing drought tolerance. The highest root length was obtained in manganese and the least in iron treatment with manganese. Figures with more germination percentage, seedlings longer and more dry matter.
Keywords:
Language:
Persian
Published:
Journal of Agronomy and Plant Breeding, Volume:14 Issue: 2, 2018
Pages:
69 to 77
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