The diurnal variations of electrolyte leakage, MDA concentration and cell defense enzyme in leaves of maize seedling were synchronously measured under the artificial conditions.
人为控制环境下，对玉米幼苗叶片中电解质外渗率、MDA含量以及保护酶活性的昼夜变化同步进行了测定。
The seedling status, the seedling characters and chlorophyl content of maize, cotton and groundnut after seed soaking with root and seedling promoter were investigated.
对生根壮苗剂浸种后的玉米、棉花、花生的出苗状况、幼苗植株性状及叶绿素含量进行了调查。
The structure and main parameters of the picking seedling machinery, which is the key component of the maize auto transplanter, are designed, meanwhile, the performance tests are carried on.
对玉米自动移栽机的关键部分——取苗机构进行了结构设计和参数确定，并进行了性能试验。
MDA content was increased by drought treatment at different growth stages in spring maize functional leaves, and increased mostly by drought treatment at seedling and the increased percent was 57.77%.
不同生育时期干旱处理均使功能叶片中MDA含量增加，苗期干旱处理时增加幅度最大，达57.77%。
There was significant effects on growth and devplopment of after crop such as soy-bean, maize, and little effects on transplanted seedling of rice.
常规剂量对后茬作物大豆、玉米安全性差。对壮秧移栽苗影响不大。
Water stress induced the activities of POD and CAT increasing in seedling emergence stage of maize.
玉米种子在萌发出苗阶段，水分胁迫诱导了POD和CAT活性的升高。
The results showed that drought stress had a negative influence on seedling morphology and physiology to some degree, and there existed differences of maize landraces tolerant to drought stress.
结果表明，干旱胁迫对玉米地方品种幼苗植株形态和生理有程度不同的不利影响，不同玉米地方品种的耐旱性存在明显差异。
The results showed that drought stress had a negative influence on seedling morphology and physiology to some degree, and there existed differences of maize landraces tolerant to drought stress.
结果表明，干旱胁迫对玉米地方品种幼苗植株形态和生理有程度不同的不利影响，不同玉米地方品种的耐旱性存在明显差异。
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