A new typal insecticide, its generation, physical and chemical properties, insecticidal mechanism, insecticidal characteristic and synthesis of diflubenzuron are introduced.
介绍了新型杀虫剂──除虫脲的发现、理化性质、杀虫机理、杀虫特点及合法。
A new typal insecticide, its generation, physical and chemical properties, insecticidal mechanism, insecticidal characteristic and synthesis of diflubenzuron are introduced.
介绍了新型杀虫剂──除虫脲的发现、理化性质、杀虫机理、杀虫特点及合法。
It has a longer leaf functional period,shorter distance between times,and slower speed with the awn′s yellowing than those of other typal wheats.
此种类型小的叶功能期长,时间距,芒转黄速度慢。
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