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将不同萌发状态的小麦种子(吸胀、萌动、发芽)分别置于干燥壤土(含水量8%以下)中,经20,40,60d处理后,再恢复供水,发现发芽处理先从枯芽基部向上逐渐转绿,继而长出叶片,并长出新生根,各处理恢复生长的能力以发芽处理为最强。生理指标检测表明发芽种子经干旱处理,在恢复供水后具有较强的恢复能力,这可能与种子内积累有较多的麦芽糖有关,干旱胁迫虽对不同萌发状态的种子有伤害,但各处理种子均能正常出苗。
The seeds of different germination (imbibition, germination, germination) were placed in dry loam soil (water content below 8%), after 20,40,60 d treatment, and then resume water supply, found that the germination of the first from the bud base Gradually turn green, then grow leaves, and grow new roots, the ability to deal with the restoration of growth to the strongest germination treatment. The physiological index test showed that the germinated seeds had the ability to recover after the water supply was resumed, which may be related to the accumulation of more maltose in the seeds. Although the drought stress harmed the seeds in different germination states, Can normally emerge.