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在人工低温下比较旱秧和湿润秧苗的耐冷性。在人工气候箱以日平均气温8.5℃处理5d期间旱秧植株还有缓慢生长,受害苗率较少,受害程度也较轻,而湿润秧则植株生长停滞,受害苗率多,植株中度矮缩且叶片大部萎蔫。旱秧比湿润秧较为耐冷。
Cold-tolerant seedlings and cold-tolerant seedlings were compared at low artificial temperatures. In the artificial climate chamber with daily average temperature of 8.5 ℃ for 5 days, the droughts also grew slowly, with less damage to the plants and less damage, while the growth of stagnant plants was observed in the wetted plants, and the plants were moderately dwarfed Shrink and most of the wilting leaves. Drought seedlings are more tolerant than wetting seedlings.