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神农丹颗粒剂有促进甘薯生长的作用 ,即在甘薯秧苗期用药 ,叶片颜色深 ,蔓长得快。为了探明神农丹防治甘薯茎线虫病的效果及促进甘薯生长和增产的作用 ,1 999年在临沂费县进行试验 ,现将主要结果报告如下 :1 材料与方法1 .1 神农丹防治甘薯茎线虫病药效试验1 .1 .1 供试药剂
Shennongdan granules have the role of promoting the growth of sweet potato, that is, sweet potato seedling, the color of leaves deep, vine grow fast. In order to ascertain the Shen Nongdan prevention sweet potato stem nematode effect and promote sweet potato growth and the role of production, in 1999 in Linyi County trial, the main results are reported as follows: 1 Materials and methods 1.1 Shennongdan control sweet potato stems Nematode efficacy test 1.1.1 test reagents