接种疣皮霉对黄瓜根瘤菌生长及产量的促进作用

R. Utkhede, C. Koch
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引用次数: 49

摘要

在离体栽培和温室栽培条件下,研究了根瘤菌菌株对植物生长和产量的影响。在实验室和温室条件下,对10株恶臭假单胞菌、24株枯草芽孢杆菌、4株产气肠杆菌、1株蜡样芽孢杆菌和1株未知菌株的根细菌培养物进行了拮抗效果评价。在马铃薯葡萄糖琼脂双培养试验中,枯草芽孢杆菌的AG-1和产气芽孢杆菌的2xyta75和B8菌株对隐皮芽孢杆菌具有拮抗作用。在试管无菌条件下,研究了40株细菌在无假单胞菌的情况下对黄瓜幼苗生长的促进作用。除腐臭假单胞菌PPG-7-1、枯草芽孢杆菌AGS-3和AGS-1以及一种未知细菌AG-0外,其余细菌均比接种过的假单胞菌根长增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Rhizobacterial growth and yield promotion of cucumber plants inoculated with Pythium aphanidermatum
The potential of rhizobacterial strains to reduce the adverse effects of Pythium aphanidermatum on plant growth and yield was examined under in vitro and greenhouse cropping conditions. Rhizobacterial cultures of 10 strains of Pseudomonas putida, 24 strains of Bacillus subtilis, 4 strains of Enterobacter aerogenes, 1 strain of Bacillus cereus, and 1 unknown bacterial strain were evaluated for antagonism against P. aphanidermatum in laboratory and greenhouse conditions. In a dual culture test on potato dextrose agar, only AG-1 of B. subtilis and strains 2xyta75 and B8 of E. aerogenes were antagonistic to P. aphanidermatum. Under sterile in vitro conditions in pouches, 40 bacterial strains were tested for growth promotion of cucumber (Cucumis sativus) seedlings in the absence of P. aphanidermatum. All bacteria except strain PPG-7-1 of P. putida, strains AGS-3 and AGS-1 of B. subtilis, and strain AG-0 of an unidentified bacterium increased root length of cucumber compared with the P. aphanidermatum inoculate...
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