豆蚜

海芋凝集素对豆蚜的抗生作用研究

Study on the anti-cowpea aphid action of a lectin from Alocasia odora

豆蚜在不同豇豆品种上的相对取食量研究

The relative feeding amount of cowpea aphid on different varieties of Cowpea

研究表明，海芋凝集素对豆蚜有较强的抗生作用，其中以胃毒作用为主，有一定的生殖抑制作用，对豆蚜的蜜露分泌有一定影响。

It was identified that AOL had strong anti-aphid action , including most stomach toxic , quite reproductive inhibition and honeydew secretion inhibition .

甜菜蚜主要分布于北半球温带地区，南美洲和非洲也有分布；豆蚜复合体的物种全球广布。

Aphis fabae mainly dominates the temperate region of the Northern Hemisphere . It is also found in some areas of South America and African .

本文通过1988&1990三年研究，测定了大豆花荚期豆田蚜量与大豆产量的关系，并依据这种关系及目前大豆商品生产状况提出了新的豆田蚜虫防治指标。

The relation between population density of aphid during flowering season and soybean yield was determined in 1988-1990 . Based on the three year result , the control threshold of aphid for different level of soybean yield was proposed .