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Biocontrol agents vis-à-vis fungicides in managing various diseases of tomato (Lycopersicon esculentum Mill.) in hills of Uttarakhand

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Title Biocontrol agents vis-à-vis fungicides in managing various diseases of tomato (Lycopersicon esculentum Mill.) in hills of Uttarakhand
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Creator K.S. HOODA, J.C. BHATT, D. JOSHI, S.N. SUSHIL and H.S. GUPTA
 
Subject Tomato, biocontrol agents, integrated disease management, damping-off, buckeye rot, early blight
 
Description Not Available
Effect of various disease management tools on seed germination, seedling vigour, pre- and post–
emergence rots, and foliar diseases of tomato (Lycopersicon esculentum Mill.) var. ‘Marglobe’ were studied
as part of integrated disease management strategy under mid hill conditions of Uttarakhand. Five biocontrol
agents viz., Trichoderma viride, Trichoderma harzianum, Pseudomonas fluorescens, mixture of T. harzianum
and Pseudomonas fluorescens and Aspergillus niger along with two fungicides (thiram at nursery stage and
mancozeb in transplanted crop) were applied as seed treatment (ST), nursery drenching (ND), seedling dip
(SD) and foliar sprays (FS). All treatments showed significantly higher seedling emergence and vigour as
compared to untreated check. Maximum mean seedling emergence (72.9, 63.0 & 62.9%) and vigour (1638,
1414 & 1474) were recorded in plots with treatment of thiram @ 0.2%, T. viride @ 0.4% and T. harzianum @
1.0% as compared to 46.8 and 1099 in the check respectively. All the treatments significantly reduced preand
post-emergence rots over check. In main crop, staking with removal of basal leaves 9" from the soil
(SRBL) and SD in thiram solution (0.2%) with FS of mancozeb (0.2%) were found superior in managing early
blight and buckeye rot over check. On the other hand four foliar sprays of bioagents had no effect on the
incidence of these diseases. SRBL and SD in thiram solution with FS of mancozeb resulted in significantly
higher yield of tomato over check.
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Date 2021-11-17T08:20:12Z
2021-11-17T08:20:12Z
2008-06-16
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/67507
 
Language English
 
Relation Not Available;
 
Publisher Indian Phytopathology