Influence of VA mycorrhiza on maize resistance to drought
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DOI：10.7606/j.issn.1000-7601.2003.02.02
Key Words: VA mycorrhiza  water stress  resistance to drought
Author NameAffiliation
BI Yinli China University of mining and Technology, Beijing, 1000083, China 
LI Xiaolin Department of plant nutrition, China Agricultural University, 100094, China 
DING Baojian Department of plant nutrition, China Agricultural University, 100094, China 
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Abstract:
      The paper studied on influence of VA mycorrhiza on maize plant growth, photosynthesis, nutrient absorption and water utilization under water stress with soil culture experiment. The results showed that plant biomass reduced and plant morphological characteristic restrained under water stress. Inoculated VA mycorrhizal fungi in the soil, plant phosphorus content improved and enhanced phosphorus efficient utilization from soil, reduced the restrain to drought , increased plant photosynthesis intensity and dry biomass. VA mycorrhiza also could improve plant water content and increase leaf relative water content. Mycorrhizal plant had higher recovered rate from drought than non ?mycorrhizal plant. They could increase water utilization efficient.
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