Effect of previous crops on arbuscular mycorrhizal formation and growth of succeeding maize

被引：78

作者：

Arihara, J ^{[1
]}

Karasawa, T ^{[1
]}

机构：

[1] Hokkaido Natl Agr Expt Stn, Sapporo, Hokkaido 0628555, Japan

来源：

SOIL SCIENCE AND PLANT NUTRITION | 2000年 / 46卷 / 01期

关键词：

arbuscular mycorrhizae; maize (Zea mays L.); previous crop; succeeding crop;

D O I：

10.1080/00380768.2000.10408760

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The effects of fallow and cultivation of sunflower, maize, soybean, potato, wheat, sugar beet, and rape on arbuscular mycorrhizal (AM) colonization and growth of succeeding maize were examined under field conditions from 1990 to 1992. All the crops except for sugar beet and rape were mycorrhizal. Shoot weight and grain yield of maize were much higher in the plots following sunflower, maize, soybean, and potato than in those succeeding rape, fallow, and sugar beet. It was thus concluded that maize growth after cultivation of mycorrhizal crops was more enhanced than after the cultivation of non-mycorrhizal crops. Phosphorus uptake and AM colonization in succeeding maize were closely correlated with shoot weight and grain yield. The results showed that the cultivation of mycorrhizal crops in the previous season promoted AM formation on roots of succeeding maize, which in turn enhanced the P uptake and growth, and finally increased the grain yield.

引用

页码：43 / 51

页数：9

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