PJB-2012-319
SEASONAL DYNAMICS IN ARBUSCULAR MYCORRHIZAL FUNGAL COLONIZATION AND SPORE NUMBERS IN THE RHIZOSPHERE OF DACTYLIS GLOMERATA L. AND TRIFOLIUM REPENS L.
GUORONG XIN1*, SHAOPING YE1, 4, EN WU2, YUTAO WANG1 AND KAZUO SUGAWARA3
Abstract
The seasonal dynamics in the colonization of the rhizosphere of orchardgrass (Dactylis glomerata L.) and white clover (Trifolium repens L.) pastures by arbuscular mycorrhizal (AM) fungi and the production of spores in an artifical Japanese grassland was investigated over 12 months (between December 2001 and December 2002). The results showed that the AM fungal colonization fluctuated seasonally in the rhizosphere of both pastures. The total AM fungal colonization of the two pastures decreased during winter, then increased from March to June as the pastures grew, but slightly decreased again in July and August, and again followed an increase in September. There was significant difference of the colonization by arbuscules and vesicles between the two pastures (p
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