幼虫为害棉叶,影响棉花成熟吐絮。
温度、日照时数对棉花脱叶速度、脱叶率及吐絮率有一定影响。
The rate of shed leaves and boll open were influenced by temperature and sunlight hours.
天然彩色棉是采用杂交、基因等现代生物工程技术培育出的一种在吐絮时就具有天然色彩的棉花。
Natural colored cotton is born with natural color, its character is attained by hybridizing and gene conversion modern bioengineering technology.
1999年江苏南京在棉花苗、蕾和铃期,棉蚜体型大小无显著差异,但到吐絮期后则显著变小。
The aphid size at the cotton seedling, budding and boll setting stages was not significantly different in Nanjing, 1999. But in the boll opening stage the aphid size became smaller.
眼下正是棉花品质和产量形成的关键阶段,持续阴雨天气,影响了棉花裂铃吐絮及采摘,也推迟了新棉的上市时间。
This is cotton quality and yield formation of key stage, continuous wet weather, affected cotton crack open bolls and pick, the bell also delayed the time to market showed.
而不同种类农药的使用对棉花吐絮时间的影响较大,其中喷施克螨特、缩节胺和金世纪的棉花吐絮时间晚于其他药剂。
Various pesticides have great impact on boll opening stage, and the boll opening stage are the latest after spraying mepiquat chloride and acetamiprid.
而不同种类农药的使用对棉花吐絮时间的影响较大,其中喷施克螨特、缩节胺和金世纪的棉花吐絮时间晚于其他药剂。
Various pesticides have great impact on boll opening stage, and the boll opening stage are the latest after spraying mepiquat chloride and acetamiprid.
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