生物農藥是用來防治農業(ye)病(bing)蟲(chong)(chong)草鼠(shu)害(hai)(hai)和衛(wei)生(sheng)(sheng)害(hai)(hai)蟲(chong)(chong)等(deng)(deng)有害(hai)(hai)生(sheng)(sheng)物的生(sheng)(sheng)物活(huo)體及(ji)其(qi)生(sheng)(sheng)理活(huo)性(xing)物質(zhi)，并(bing)可以制(zhi)成(cheng)商品上(shang)市(shi)流通的生(sheng)(sheng)物源制(zhi)劑，包括微生(sheng)(sheng)物源(細菌、病(bing)毒、真菌及(ji)其(qi)次級(ji)代謝(xie)產(chan)物等(deng)(deng))、植(zhi)物源、動物源和抗(kang)病(bing)蟲(chong)(chong)草害(hai)(hai)的轉(zhuan)基因植(zhi)物等(deng)(deng)。
生(sheng)物農(nong)(nong)藥(yao)具有安全、無(wu)毒(du)副作用、不污(wu)染環境(jing)等優點。大力發(fa)展生(sheng)物農(nong)(nong)藥(yao)已成為必然的(de)趨勢(shi)。在今后幾(ji)年，占我國農(nong)(nong)藥(yao)使用量70%左(zuo)右的(de)5種劇毒(du)化學農(nong)(nong)藥(yao)將(jiang)會退出市場(chang)，取而代(dai)之的(de)是(shi)低毒(du)生(sheng)物農(nong)(nong)藥(yao)。
