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当前位置: 首页 > 文章 > 温莪术根际促生菌株的促生效应及土壤定殖 安徽农业大学学报 2015,42 (4) 591-594
Position: Home > Articles > The promotion effect of Curcuma wenyujin growth-promoting rhizobacteria strains and their survival ability in the soil Journal of Anhui Agricultural University 2015,42 (4) 591-594

温莪术根际促生菌株的促生效应及土壤定殖

作  者：
周晓雷;何文斐;闯绍闯;唐欣昀;姜程曦
单  位：
温州医学院药学院;安徽农业大学生命科学学院
关键词：
温莪术;根际促生菌;生理活性;抑菌能力
摘  要：
测定了38株温莪术根际菌的产铁载体、解磷、产IAA的能力和抑制致病菌的能力。这些菌株中25株菌分泌IAA的量可达到1 mg·L-1以上;23株菌铁载体产量达到10+;10株菌解磷能力在2 mg·L-1以上;有3株菌对4种植物致病菌都有抑制效果。经综合评价筛选出3株菌进行盆栽试验。WP0702产较高的铁载体,抑菌能力较强;WK0101铁载体、解磷、产IAA的能力均较高,但无抑菌能力;这2株菌株均明显促进温莪术的产量。试验数据证明具有抑制致病菌的能力、解磷和分泌适当浓度IAA的菌株都有作为生物有机肥的可能。用lux AB基因标记菌株WP0702,证明该菌株在不同土壤中可以持续存活。WP0702和WK0101具有作为温莪术生物肥料、克服连作障碍的潜力。
译  名：
The promotion effect of Curcuma wenyujin growth-promoting rhizobacteria strains and their survival ability in the soil
作  者：
ZHOU Xiaolei;HE Wenfei;CHUANG Shaochuang;TANG Xinyun;JIANG Chengxi;School of Life Science, Anhui Agricultural University;School of Pharmacy, Wenzhou Medical College;
关键词：
Curcuma wenyujin;;rhizosphere bacteria;;physiological activity;;antipathogen activity
摘  要：
In this experiment, the ability of 38 rhizosphere bacteria strains of Curcuma wenyujin to dissolve phosphorus, synthesize IAA, and inhibit pathogens were tested. Twenty five strains secreted >1 mg·L-1 IAA, 23 strains produced >10 siderophores, 10 strains dissolved > 2 mg·L-1 phosphorus, and 3 strains showed inhibitory effect on four plant fungal pathogens. Finally, three strains were selected for a pot experiment. Strain WP0702 secreted a high siderophore concentration and inhibited the growth of pathogens. Strain WK0101 secreted high concentrations of both siderophore and IAA, dissolved a large amount of phosphorus, but showed no bacteriostatic ability. The two strains clearly promoted the yield of Curcuma wenyujin. It indicated that the strains that have the ability to dissolve phosphorus, secret IAA, and inhibit fungal pathogens have potential to be used as biological fertilizers. Strain WP0702 labeled with the marker gene Lux AB could survive in different soils. Both WP0702 and WK0101 have potential to be a specific biological fertilizer for Curcuma wenyujin.

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