Low Temperature Storage and in vitro Pollen Germination of Selected Spring Wheat Accessions

Bahram Baninasab, Mirko Tabori, Junjie Yu, Yuxue Zhang, Xuelian Wang, Ian Deschiffart and Shahrokh Khanizadeh

Journal of Agricultural Science, 2017, vol. 9, issue 9, 1

Abstract: The study was conducted to evaluate in vitro pollen germination of 50 spring wheat (Triticum aestivum L.) accessions at three storage temperatures (23 °C, 5 °C, and -20 °C). Germination of the mature pollen was measured right after harvest (0 time), and 24, 48, and 72 h after storage (HAS). Differences in fresh pollen germination between accessions were significant and ranged from 21.15% to 1.09%. Pollen germination was the lowest at 24 h at room temperature. The pollens of 24 wheat accessions (AAC Scotia, AW636, AW725, AW780, AW804, AW822, AW823, Brookfield, BRS Pardela, ECSW05, ECSW38, ECSW48, ECSW49, ECSW69, Hoffman, Kleos, Major, Nass, 12NQW-237, 12NQW-413, 12NQW-414, 12NQW-436, 12NQW-754, and 12BW0374) were viable after 24 h when they were stored at 5 °C. Sub-zero temperature did not prolong pollen viability.

Date: 2017
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