Accelerated aging reduces enzyme activity and seedling growth of maize seeds
Publish place: The first international congress on the development of agricultural sciences and natural resources
Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICDAN01_045
تاریخ نمایه سازی: 28 اسفند 1394
Abstract:
Changes of bio-chemical and reduction of seedling growth are consequence of seed deterioration. An experiment was conducted to evaluate the effects of accelerated aging on maize seed germination indexes and enzyme activity. Seeds were incubated in closed plastic boxes for the accelerated aging treatments. Three accelerate aging regimes were performed by placing seeds at 41°C and relative humidity (RH) of 90-100 % for 0, 4, 8, 12 and 16 days periods. Our results showed that increasing aging duration resulted higher reduction in germination characteristics, catalase and ascorbat peroxidase. Germination percentage, means time to germination, germination index, normal seedling percentage and enzyme activity decrease significantly.
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Authors
Mahmoud boghori
educated knowledge master degree agronomi
Sayed Ali tabatabaei
member majesty scientific principle inquisitor
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