Identification of Ideal Locations and Stable High Biomass Sorghum Genotypes in semiarid Tropics

Anil Kumar, G S and Vinutha, K S and Shrivastava, D K and Jain, S and Syed, B A and Gami, B and Marimuthu, S and Yuvraj, A and Yadava, H S and Srivastava, S C and Yadagiri, K and Ansodariya, V and Prasuna, P and Vishwanath, J and Anand, S R and Rathore, A and Umakanth, A V and Rao, P S (2018) Identification of Ideal Locations and Stable High Biomass Sorghum Genotypes in semiarid Tropics. Sugar Tech (TSI), 20 (3). pp. 323-335. ISSN 0972-1525

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The dearth of proper delineation for energy sorghum cultivation has led to a prerequisite for evaluation and identification of test environments for the newly developed lines. This becomes of vital importance as the biomass yield is highly influenced by genotype and environmental (G × E) interactions. Several agronomic traits were considered to assess the biomass yield and the combined analysis of variance for G (genotype), L (location) and interaction effect of G × L. The variations in the yield caused by the interaction of G × L are very essential to acquire knowledge on the specific adaptation of a genotype. Thus, the multi-location trials conducted across locations and years have helped to identify the stable environments with specific adaptation for biomass sorghum. The presence of close association between the test locations suggested that the same information about the genotypes could be obtained from fewer test environments, and hence the potential to reduce evaluation costs. The two genotypes—IS 13762 and ICSV 25333—have shown stable performance for biomass traits across all the locations, in comparison with CSH 22SS (check). The top ten entries with stable and better performance for fresh biomass yield, dry biomass yield, grain yield and theoretical ethanol yield were ICSV 25333, IS 13762, CSH 22SS, IS 25302, IS 25301, IS 27246, IS 16529, DHBM2, ICSSH 28 and IS 17349.

Item Type: Article
Uncontrolled Keywords: Biomass, Energy, sorghum, GGE biplot, Stability, Rainfed tropics, Ethanol yield
Subjects: Others > Semi-Arid Tropics
Mandate crops > Sorghum
Others > Genetics and Genomics
Depositing User: Mr Ramesh K
Date Deposited: 18 May 2018 07:17
Last Modified: 18 May 2018 07:17
Official URL:
Acknowledgement: Authors are highly grateful to Joint Clean Energy Research and Development Center (JCERDC) project (Grant Number: DE-FOA-0000506) coordinated by the Department of Biotechnology (DBT) and the Department of Science and Technology (DST), Ministry of Science and Technology, Government of India and administered through the binational Indo-US Science and Technology Forum (IUSSTF). We also acknowledge the help of Dr.Blu¨mmel M, ILRI, in analyzing the composition of biomass samples in NIRS.
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