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Combining ability analysis for yield and physiological drought related traits in tomato (Solanum lycopersicum l.) under moistures stress

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Title Combining ability analysis for yield and physiological drought related traits in tomato (Solanum lycopersicum l.) under moistures stress
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Creator Anita Pedapati, RVSK Reddy, J DILIP BABU, S SUDHEER KUMAR, N Sunil
 
Subject Tomato Drought Combining ability Yield
 
Description Not Available
Eighteen parents were crossed in line X tester fashion comprising 15 lines and 3 testers to estimate combining
ability in tomato for fruit yield, yield components and drought tolerant traits. F1 and parents were evaluated
under stress (10 days and 15 days irrigation interval) and irrigated conditions. For fruit yield per plant, the top five
crosses EC310301 X EC164654 (251.33), EC 251578 X EC 164654 (304.82), IC249512 X IC249503 (381.70),
EC162516 X IC249503 (468.85) and EC164845 X IC249505 (571.92) having high and positively significant sca
effects under irrigated normal condition. Whereas, in stressed condition IC249512 X IC249503 (258.06), IC249512
X EC164654 (260.16), EC310301 X EC164654 (314.06), EC162516 X IC249505 (388.34) and EC164845 X
IC249505 (469.54) having high and positively significant sca effects. Based on results, the genotypes EC251578,
IC249512, EC162516, EC249503 and EC164654 recorded high positive gca effects. IC249512, EC164845,
EC249505 and EC164654 are ideal choice for yield under stressed condition. IC249512 was good performer for
most of the traits in both irrigated and stressed conditions. Three parents EC162516, EC249505 and EC168096
are identified as good general combiners with high yield potential in drought environment. So, these lines are
reliable for further drought tolerance breeding.
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Date 2019-12-07T09:21:31Z
2019-12-07T09:21:31Z
2013-12-06
 
Type Book
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/28647
 
Language English
 
Relation Not Available;
 
Publisher Not Available