所屬欄目:北方農(nóng)作物病蟲害
RhizoctoniacerealisVandreHoeven禾谷絲核菌,屬半知菌亞門真菌。立枯絲核菌菌絲體生長溫限7~40℃,適溫為26~32℃,菌核在26~32℃和相對(duì)濕度95%以上時(shí),經(jīng)10~12d即可萌發(fā)產(chǎn)生菌絲,菌絲生長適宜pH為5.4~7.3。相對(duì)濕度高于85%時(shí)菌絲才能侵入寄 ......(本文共 1231 字 ) [閱讀本文] >>