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当前位置: 首页 > 文章 > 拮抗微生物防治仙客来灰霉菌Botrytis cinerea的评估(英文) 南京林业大学学报(自然科学版) 2009,33 (1) 5-14
Position: Home > Articles > Evaluation of antagonistic microorganisms for biocontrol of Botrytis cinerea in cyclamen Journal of Nanjing Forestry University(Natural Sciences Edition) 2009,33 (1) 5-14

拮抗微生物防治仙客来灰霉菌Botrytis cinerea的评估(英文)

作  者：
李德伟;John C.Sutton
单  位：
加拿大圭尔夫大学环境生物系
关键词：
拮抗微生物;生物防治;Botrytis cinerea;Clonostachys rosea;仙客来;Trichoderma koningii
摘  要：
以仙客来叶圆片方法对灰霉菌Botrytis cinerea的生防效果进行了评估,结果发现Clonostachys rosea和Trichoderma koningii抑制B.cinerea的效果达94%～100%,其效果优于所测试的从仙客来上分离的真菌和细菌的多数菌株。用整株仙客来测试生防菌效果表明,C.rosea在叶片、花瓣、叶柄和花梗上抑制B.cinerea效果分别达96%、58%、53%、77%;而Trichoderma koningii的效果分别达100%、42%、100%、90%。以析因试验设计对B.cinerea和C.rosea或T.koningii施用浓度在生防效果上的交互效应进行了测定,结果表明:当C.rosea的接种浓度是病原菌浓度的10倍或10倍以上时,其在叶片、花瓣、叶柄和花梗上抑制B.cinerea的效果分别达73%～100%、52%～86%、100%、54%～68%;当T.koningii的接种浓度为106个/mL或以上时,其抑制B.cinerea在仙客来(接种浓度为103～106个/mL时)各部分发生的效果分别为:叶片100%、叶柄62%～100%、花瓣38%～96%、花梗56%～100%。C.rosea在叶龄为2、3、5、6周的叶片上的生防效果更好,而在叶龄为4周的叶片上效果差些,在叶龄为1周的叶片上无效果。T.koningii在叶龄为1～6周的叶片上均可有效地抑制B.cinerea的发生,抑制效果达89%～100%。C.rosea和T.koningii均是在温室内防治仙客来灰霉菌B.cinerea的具潜力的有效生防菌,但T.koningii的防治效果显著地优于C.rosea的效果。
译  名：
Evaluation of antagonistic microorganisms for biocontrol of Botrytis cinerea in cyclamen
作  者：
LI De-wei,John C.Sutton(Department of Environmental Biology,University of Guelph,Guelph,ON,N1G 2W1,Canada)
关键词：
antagonistic microorganisms;biocontrol;Botrytis cinerea;Clonostachys rosea;Cyclamen;Trichoderma koningii
摘  要：
In biocontrol essays on cyclamen leaf disks,Clonostachys rosea and Trichoderma koningii suppressed Botrytis cinerea by 94%—100%,and were more effective than most fungi and bacteria isolated from cyclamen.Biocontrol effectiveness on whole plants showed that C.rosea suppressed B.cinerea in leaves,petals,petiole,and pedicels by 96%,58%,53%,and 77%,respectively and T.koningii by 100%,42%,100% and 90%,respectively.The effects of inoculum concentrations of B.cinerea interacting with C.rosea or T.koningii respectively on biocontrol were examined in factorial design experiments.C.rosea suppressed B.cinerea in lamina,petals,petiole,and pedicels by 73%—100%,52%—86%,100% and 54%—68%,respectively,when inoculum concentration of the antagonist was 10 times more than that of the pathogen.When inoculum concentration of T.koningii was at or over 106 conidia/mL,it suppressed B.cinerea at concentrations of 103—106conidia/mL in lamina by 100%,in petioles by 62%—100%,in petal by 38%—96% and in pedicels by 56%—100%.C.rosea was more effectively on 2,3,5 and 6 week-old leaves,but less effective on 4 week-old leaves and no effect on 1 week-old leaves.T.koningii suppressed B.cinerea on 1 to 6 week-old leaves very effectively ranging from 89% to 100%.We concluded that C.rosea and T.koningii were potentially effective biocontrol agents against B.cinerea in cyclamen in greenhouses,but the effectiveness of T.koningii was significantly better than that of C.rosea.

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