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Evaluation of Tomato Germplasm against Early Blight under Epiphytotic Conditions

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Title Evaluation of Tomato Germplasm against Early Blight under Epiphytotic Conditions
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Creator Suresh Reddy Yerasu, K. Nagendran, Shailesh Kumar Tiwari, Chithra Devi Padey and Sushil Pandey
 
Subject Plant genetic resources, Early blight, PDI, Augmented design, Disease resistance
 
Description Not Available
Tomato is one of the most extensively cultivated vegetables and is a rich source of
nutrients such as vitamins, antioxidants and minerals for a balanced human diet.
World over, early blight (EB) caused by Alternaria solani Sorauer is limiting
tomato production and causes great losses. In total, 350 tomato genotypes from
ICAR-National Bureau of Plant Genetic Resources (ICAR-NBPGR), New Delhi
were evaluated for early blight resistance under epiphytotic conditions at ICARIndian
Institute of Vegetable Research (ICAR-IIVR), Varanasi. Augmented design
with five released varieties as checks was the experimental design followed.
EC705445 gave highly resistant (HR) reaction with 0.86 percent disease index
(PDI). EC0027336, EC0114504 and EC0027932 gave resistance (R) reaction.
Another fourteen genotypes gave moderately resistance (MR) reaction. Seven
genotypes (EC705445, EC0013112, EC0026104, EC699717, EC695040,
EC000586 and EC0111086) that gave either HR or R or MR reaction under field
conditions were further screened for the disease reaction under artificial conditions
and none of the genotypes shown either HR or R or MR reaction.
Not Available
 
Date 2020-08-19T05:46:25Z
2020-08-19T05:46:25Z
2020-04-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/39771
 
Language English
 
Relation Not Available;
 
Publisher Not Available