contact toxicity 第1页

A study on contact toxicity of extracts from Polygonum orientale against 13 species of agricultural pests BIOACTIVITY OF RUIXIANGSU TO APHIDS (APHIS GOSSYPII GLOVER, MYZUS NICOTCANAEBLACKMAN , TOXOPTERA CITRICIDA (KIRKALDY) Isolation, identification and biological activities of alkaloids from Anisodus tanguticus