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International Journal of Applied Agricultural & Horticultural Sciences
  • 27 April, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 3 (4) : July-August 2012 issue
Green Farming Vol. 3 (4) : 423-425 (July-August, 2012)
Stability behavior of wheat genotypes for arid conditions of Rajasthan
P.C. GUPTA1* and SHIV NARAYAN2
Agricultural Research Station, S.K. Rajasthan Agricultural University, Bikaner - 334 006 (Rajasthan)
Designation :  
1Associate professor *(pcguptarau@yahoo.com), 2Technical Assistant
Subject : Crop Genetics and Plant Breeding
Paper No. :
Total Pages : 3
Received : 26 April 2012
Revised accepted : 18 July 2012
First Page
Citation :

P.C. GUPTA and SHIV NARAYAN. 2012. Stability behavior of wheat genotypes for arid conditions of Rajasthan. Green Farming Vol. 3 (4) : 423-425 ; July-August, 2012

ABSTRACT
Wheat genotypes were identified suitable for general cultivation for enhancing wheat productivity levels in arid region of Rajasthan. The study included 18 released varieties of wheat [Triticum aestivum (L)]. The genotypes were evaluated during rabi 2006 to 2009 at ARS, Bikaner. Stability behaviour for days to 50 % ear emergence, plant height/plant (cm), number of ears/row, ear length per plant (cm), and grain yield per plot (kg)) was estimated using Eberhart & Russell model. Analysis of variance showed that genotype x environment interaction was significant for all the characters. The linear component of genotype x environment interaction was significant for number of ears/row and grain yield/plot. The pooled deviations were non significant for plant height per plant (cm), no. of ears per row, and grain yield per plot (kg) making predictable behaviour for these characters. Variety Lok-1 and Raj-4083 possessed general adaptability along with desirable days to 50% ear emergence and higher yields and, therefore, recommended for general cultivation. Variety PBW-343, though stable in performance for grain yield is not recommended because of its long duration for ear emergence. On the other hand, varieties Raj-3777 and Raj-4101 exhibiting above average stability for grain yield and tallness can be recommended for poor environments like arid part of Rajasthan with poor management for sustainable wheat production. Also the stable genotypes identified could be used to develop new strains with combination of stable characters.
Key words :
Per se performance, Regression coefficient, Stability, Triticum aestivum, Wheat genotypes.