论文部分内容阅读
探讨了茎部施药对桃树的生长及生理基础的影响，并运用灰色系统方法阐述了农药种类、浓度及施药方法对叶相对生长率、新梢相对生长率、果实体积、叶绿素含量、净光合速率和防治效果等各考察因素的影响。研究表明，茎部施药效果普遍优于叶面喷药的处理，其中又以１∶３的久效磷进行茎部施药效果最好
The effects of pesticide application on the growth and physiological basis of peach trees were also discussed. The types, concentrations and application methods of pesticides were also discussed. The relative growth rate of leaves, relative growth rate of shoots, fruit volume, chlorophyll content, Net photosynthetic rate and prevention and control of the impact of various factors. Studies have shown that the stem effect is generally superior to foliar spray treatment, which was 1: 3 monocrotophos for the best effect of stems