孕穗,读音yùn suì,汉语词语,指禾谷类作物(水稻、小麦、玉米等)拔节后幼穗迅速伸长的过程。这一时期植株生长发育旺盛,需较多的水分和养分。孕穗又称打苞,作物的物候期之一。禾谷类作物孕穗期的标准为植株最上部一片叶--旗叶展开(俗称"挑旗")、幼穗在旗叶叶鞘内膨大成“锭子”型。
当计算机首次启动孕穗错误的是另一本构成指标进行了眨巴。
Booting errors when the computer first start's up is another indicator of this component going on the blink.
试验研究了拔节孕穗期水分胁迫对水稻生长发育及产量的影响。
Effects of water stress on growth and yield of rice were studied in jointing-booting stage.
防治稻曲病的药剂以瘟曲克星的防效最好; 防治适期足水稻孕穗末期至破口期;
Optimum control period of false smut is from the end of boot stage to the rupturing stage of rice.
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