摘要
玉米品种吉单159 在三叶期经6 ℃、10 ℃低温处理3 天、6 天,叶绿素含量减少,心叶相对生长速率及株高相对减少,百粒重下降,植株生长表现出明显的延迟型冷害症状。
The maize Jidan No.159 in three leaves was treated with 6℃ and 10℃ for three days and six days. The chlorophyll content, growth rate of new leaves, the plant height and the weight of hundred grains were reduced. The plant had a apparent cold damage of postponement.
出处
《黑龙江农业科学》
2000年第1期10-12,共3页
Heilongjiang Agricultural Sciences
关键词
玉米
低温
叶绿素
心叶相对
生长速率
Maize
Low temperature
Relative growth rate of naw leaves