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首页> 外文期刊>Journal of Tropical Plant Pathology >EFFICACY OF FLUORESCENT PSEUDOMONAS AGAINST TOMATO DAMPING-OFF CAUSED BY RHIZOCTONIA SOLANIKUHN
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EFFICACY OF FLUORESCENT PSEUDOMONAS AGAINST TOMATO DAMPING-OFF CAUSED BY RHIZOCTONIA SOLANIKUHN

机译：荧光假单胞菌对番茄根瘤菌致害的功效

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The efficacy of fluorescent Pseudomonas to control tomato damping-off caused by Rhizoctonia solani was evaluated under laboratory and screenhouse conditions. In vitro tests showed that fluorescent Pseudomonas at 25, 45, 50 and 55% transmittance whichcorresponded to 294 x 10~8, 283 x 10~6, 251 x 10~6, and 225 x 10~6 colony forming units (cfu)/ml inhibited the mycelial growth of R. solani, with 294 x 10~8 cfu/ml causing the highest inhibition. Screenhouse test showed treatment of fluorescent Pseudomonas during transplanting gave the lowest percent wilting of tomato plants of 20 and 40%, with corresponding 77.3 and 57.4% control, for 294 x 10~8 and 251 x 10~6 cfu/ml, respectively. Lowest control was observed when treatment was done 14 days after transplanting. The results implied that fluorescent Pseudomonas can be an effective biocontrol agent against tomato damping-off if applied in tomato plants during transplanting.
机译：在实验室和筛选室条件下，评估了荧光假单胞菌控制番茄枯萎病引起的番茄衰减的功效。体外试验显示荧光假单胞菌在25、45、50和55％的透射率下分别对应于294 x 10〜8、283 x 10〜6、251 x 10〜6和225 x 10〜6菌落形成单位（cfu）/ ml抑制solani solani的菌丝生长，以294 x 10〜8 cfu / ml产生最大的抑制作用。筛选试验表明，在移植过程中对荧光假单胞菌的处理使番茄植株的枯萎率最低，分别为294 x 10〜8和251 x 10〜6 cfu / ml，分别为20％和40％，相应的对照为77.3和57.4％。移植后14天进行治疗时，观察到最低的对照。结果表明，如果在移植过程中将荧光假单胞菌应用于番茄植株，它可以是一种有效的生物防治剂。

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