5種類のマメ科作物草生果樹園における菌根菌感染性と胞子数の季節的消長

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タイトル別名
  • Seasonal Fluctuations in Mycorrhizal Spore Populations and Infection Rates of Vineyard Soils Planted with Five Legume Cover Crops

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The spread of arbuscular mycorrhizal (AM) fungi and infection rates in five legume cover crops [Chinese milk vetch (Astragalus sinicus L.), hairy vetch (Vicia villosa Roth), white clover (Trifolium repens L.), red clover (Trifolium pratense L.) and narrow-leaf vetch (Vicia angustifolia L.)] were studied over one season. The legumes were sown between rows of five-year-old grapevines (4.0m by 4.5m). Mycorrhizal infection varied with the season and was highest in March when vegetative growth was most vigorous. Numerous arbuscules were observed in the intra-radical spaces of both legume and indigenous weed species. Spore populations were higher in May 2001 than in October 2000 in the cover crop plots as compared with clean cultivated control plots. Peach (Prunus persica Batsch) seedlings were readily infected when planted in soils collected from cover crop plots, but infection was significantly lower when seedlings were planted in soils from control plots. All surveyed legumes were found to be highly susceptible to mycorrhizal infection and potentially capable of maintaining high AM inoculum levels in the vineyard.

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  • 園芸学会雑誌

    園芸学会雑誌 72 (4), 262-267, 2003

    一般社団法人　園芸学会

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