5种药剂对银杏叶枯病菌的室内抑菌试验

Inhibiting Effect of Five Chemicals on the Pathogens of Leaf Blight of Ginkgo biloba in Vitro

在实验室内 ,用含药培养基法、抑菌圈法和孢子萌发法观测杀菌剂加瑞农、甲基托布津、多菌灵、可杀得、扑海因对银杏叶枯病的 3种主要病原菌 :细交链孢菌 (Alternaria tenuisNess)、盘多毛孢菌 (Pestalotia ginkgo Hori)、炭疽菌 [Colletotrichum gloeosporioides(Penz) Sacc]的抑菌作用。结果表明 ,扑海因对细交链孢菌和盘多毛孢菌的菌落生长和孢子萌发都有较强的抑制效果 ,对炭疽菌也有一定的抑制作用 ;

The bactericides,kasumin bordeaux,thiophanatemethyl,carbendazim,Kocide,Rovral were applied in the inhibition test of Alternaria tenuis and Pestalotia ginkgo,Colletotrichum gloeosporioides by the methods of bactericide medium, fungistatic ring and spore germination. Rovral strongly inhibited the colonies growth and conidia germination of A tenuis and P ginkgo,and also affected the growth of C gloeosporioides to some extent. C gloeosporioides could be strongly inhibited by thiophanatemethyl and carbendazim.