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GGE Bi-Plot Analysis For Multilocation Trials Of Castor Short Duration Genotypes | 7013
ISSN: 2168-9881

Agrotechnology
Open Access

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GGE Bi-Plot analysis for multilocation trials of castor short duration genotypes

International Conference on Agricultural & Horticultural Sciences

C.Sarada, C.Lavanya , A.J.Prabhakaran and K.Alivelu

ScientificTracks Abstracts: Agrotechnol

DOI: 10.4172/2168-9881.S1.002

Abstract
A multi locations trial was conducted in 2011-12 ( Kharif) for identification of short duration, high yielding varieties and hybrids suitable for rainfed conditions. The objective of this study is to explore the effect of genotype (G) and Genotype x Environment (Gx E) on seed yield of nine castor genotypes tested in four locations utilizing GGE Bi-plot method. The results indicated that Environment (E) explained 65.41 % variation and Genotypes (G) explained 11.23 % and GE interaction captured 20.34 % of the total ( G+E+GE) variation . For constructing the GGE Biplot first two principal components PC1 (90.3% ) and PCII ( 7.2 %) together explained a variation of 97.5 %. A Bi-plot based on environment focused scaling indicated that Hisar and Palem yielded similar phenotypic expression in the genotypes compared to Junagadh and Yethapur. Among the locations tested, Yethapur is found to be a representative and discriminative location for identifying the generally adoptable genotypes. The poly - gon view of the bi-plot indicates the interaction pattern between genotypes and environment. It indicated that the performance of PCH-111 was similar in all the locations except Yethapur. High correlation has been observed among HCH-6, ANDCI-8 and local check indicating that the response is similar in an environment. The experimental results for the year 2011 -12 shows that PCH-111 is promising stable genotype followed by HCH-6 and ANDCI-8.
Biography
C.Sarada obtained Ph.D ( Ag. Statistics) from Indian Agricultural Statistics (ICAR), New Delhi. She is presently working as Senior Scientist (Ag.Statistics) at Directorate of Oilseeds Research, Hyderabad. She has published around 50 research papers in peer reviewed National and International journals. Her areas of research are Multivariate methods, Nonlinear regression modeling, Time-series modelling , Artificial neural networks and Bioinformatics.
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