SEASONAL DYNAMICS OF MYCORRHIZAL ASSOCIATIONS IN MAIZE FIELDS UNDER LOW-INPUT AGRICULTURE

被引：20
|
作者：
GAVITO, ME
VARELA, L
机构：
[1] Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico 02860
来源：
AGRICULTURE ECOSYSTEMS & ENVIRONMENT | 1993年 / 45卷 / 3-4期
关键词：
D O I：
10.1016/0167-8809(93)90076-2
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Four maize fields with the same management practices were sampled four times during 1 year. Spore numbers and percentage of mycorrhizal infection were evaluated to follow mycorrhizal dynamics in relation to some agronomic parameters, soil properties and host plant cycle. Strong mycorrhizal infection was observed in young plants and decreased slowly until plant maturity. Sporulation occurred also at plant maturity but spore numbers decreased drastically through winter and spring. Traditional agricultural practices maintain high spore populations and high mycorrhizal infection in the field. Low input and low disturbance management are discussed.
引用
收藏
页码：275 / 282
页数：8
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