作　　者： ; ; ; ;

机构地区： 四川农业大学

出　　处： 《食用菌学报》 2004年第4期28-33,共6页

摘　　要： 对峙培养试验结果表明 ,长根金钱菌对玉米小斑病菌菌丝生长有很强的拮抗作用。L16 (4 5)正交试验结果表明 ,以玉米粉 4 % ,蔗糖 3% ,黄豆粉 0 .5 % ,蛋白胨 0 .2 %为培养基 ,初始pH6时 ,液体培养长根金钱菌发酵液对玉米小斑病菌菌丝生长的抑制作用最强 ,抑制率与长根金钱菌的生物量呈显著正相关。发酵液中的粗蛋白对玉米小斑病菌菌丝生长有极显著的抑制作用 。 The significant antagonism of Oudemansiella radicata to Bipolaris maydis was found in the antagnistic test. And the results of L_(16)(4~5)orthogonal test of O. radicata in submerged culture proved that the broth had the strongest antagonism to the mycelial growth of B. maydis, when the submerged-culture medium was composed of corn meal 4%, sucrose 3%, soybean meal 0.5% and peptone 0.2% with the initial pH being 6.0. Furthermore, there was a significant positive correlation between the mycelial biomass of O. radiacate and the inhibition rate of broth to the mycelial growth of B. maydis, and the crude protein in the broth significantly inhibited the mycelial growth of B. maydis, but the crude polysaccharide did not have such inhibition effect.

关 键 词： 长根金钱菌 玉米 小斑病菌 发酵液 拮抗作用 粗蛋白 生物防治 小斑病

领　　域： [农业科学] [农业科学] [农业科学] [农业科学]