小麦蚕豆间作对蚕豆根际微生物群落功能多样性的影响及其与蚕豆枯萎病发生的关系.pdf

文档介绍：第卷第期生态学报 V0133No23
年月 ECOLOGICA=========================================== Dec2013
DOI105846stxb201208281214
J
态学报,,:—.
Z G between microbial
YDongKTang琙 YYang XXiaoJ XZhaoPHu BRelationship munity diversity
and wheat and intercropping , Ecologica Sinica201333(23)7445-7454
小麦蚕豆间作对蚕豆根际微生物群落功能
多样性的影响及其与蚕豆枯萎病发生的关系
董 121毅’,杨智仙ぞ感,赵平
(16502012650201
髂狭忠荡笱Вッ
摘要:通过田间小区试验,研究了小麦与蚕豆间作对蚕豆枯萎病发生和根际微生物代谢功能多样性的影响。结果表明,小麦与
20304
31(AWCD)AWCD827
Shannon
29230364**********
主成分分析表明,小麦与蚕豆间作改变了根际微生物的群落组成;相关分析表明,糖类、羧酸类和氨基酸类碳源是区分单间作处
Shannon
和丰富度指数,改变了微生物群落功能多样性,是抑制蚕豆枯萎病的有效措施为阐明根际微生物功能多样性变化在间作体系病
害控制中的作用与机制奠定了理论基础。
关键词:问作;蚕豆枯萎病; ECO
between rhizosphere munity diversity and
wheat and intercropping
, , 琙 Yil'3YANG, , Pin91
Guobinl
1 College ofResources and EnvironmentYunnan UniversityKunming650201China
2 College Science and , UniversityKunming650201China
3 Southwest UniversityKunming650224China
AbstractField was conducted examine the effects wheat and intercropping rhizosphere
munity diversity and wiltResults
incidence and disease index significantly decreased .% wheat and
intercropping paring monocroppingintercroppingsignificantly increased the average color development
wheat and beanandthe value was the highest and the monocropped
was the . value was increased 827when
. diversity index Shannon 描 substrate richness(S)in ECO microp