Vesicular Arbuscular Mycorrhizae-Mediated Uptake and Thanslocation of P and Zn by Wheat in Calcareous Soil
Vesicular Arbuscular Mycorrhizae-Mediated Uptake and Thanslocation of P and Zn by Wheat in Calcareous Soil作者机构:SoilandFertilizerInstituteSichuanAcademyofAgriculturalSciencesChengdu610066(China) DepartmentofScie
出 版 物:《Pedosphere》 (土壤圈(英文版))
年 卷 期:1997年第7卷第4期
页 面:317-324页
核心收录:
学科分类:09[农学] 0903[农学-农业资源与环境] 0901[农学-作物学] 090301[农学-土壤学]
主 题:calcareous soil nutrient acquisition P and Zn fertilization translocation vesiculararbuscular mycorrhizae
摘 要:Vesicular-arbuscular mycorrhizal (VAM) fungi have been credited with improving the groWth and mineral nutrition of many host plants but these effects are moderated by soil factors and nutrient balance. The combined effects of VAM, Zn and P application on the growth and translocation of nutrients in wheat were investigated using a calcareous soil marginal in P and Zn concentrations. Wheat was grown in a growth chamber under various combinations of VAM, P and Zn with measurements done at heading stage and *** dry matter accumulation was increased by P application and reduced by VAM treatments. Both P and VAM increased grain yield. Zinc concentration and uptake were generally reduced by P addition and VAM infection. There were no antagonistic effects of Zn on P acquisition in the plant. The role of VAM in enhancing the translocation of Zn and P from root to grain would be beneficial to seed setting and yield.