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4个PGPR菌株拌种对干旱条件下蚕豆生长及产量的影响

, PP. 203-207

Keywords: PGPR菌株,蚕豆(Vicia,faba,L.),拌种,干旱,产量

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Abstract:

于播种前,以5×108CFU/mL浓度的PGPR菌株B9601Y2,FZB42,B2和B9拌种蚕豆,在全生育期土壤重度干旱条件下,与清水拌种相比,它们均能提早出苗,促进幼苗生长,增加植株地上和地下重量与荚果数,B9601Y2,FZB42,B2和B9菌株分别增加蚕豆株荚数0.65个、0.50个、0.05个和0.33个,有效荚数0.68个、0.53个、0.08个、0.28个,果荚重4.56g、3.36g、2.13g、0.36g,株粒数1.18粒、1.55粒、0.80粒、0.15粒,百粒重5.28g,5.75g,3.72g,2.50g,豆粒产量14.49%,12.04%,6.28%,2.21%。

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