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Agriculture
Volume 9
Issue 6
10.3390/agriculture9060121
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Open AccessArticle

Multi-Trait Diverse Germplasm Sources from Mini Core Collection for Sorghum Improvement

by
Hari D Upadhyaya
1,2,3,*,
Mani Vetriventhan
1,*,
Abdullah M. Asiri
2,4,
Vania C.R. Azevedo
1,
Hari C. Sharma
5,
Rajan Sharma
1,
Suraj Prasad Sharma
1 and
Yi-Hong Wang
6
1
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, Telangana 502 324, India
2
Center of Excellence for Advanced Materials Research, King Abdulaziz University Jeddah 21589, Saudi Arabia
3
The UWA Institute of Agriculture, the University of Western Australia, Crawley, WA 6009, Australia
4
Chemistry Department, Faculty of Science, King Abdulaziz University Jeddah 21589, Saudi Arabia
5
Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan (HP) 173230, India
6
Department of Biology, University of Louisiana at Lafayette, Lafayette, LA 70504, USA
*
Authors to whom correspondence should be addressed.
Agriculture 2019, 9(6), 121; https://doi.org/10.3390/agriculture9060121
Received: 2 April 2019 / Revised: 3 May 2019 / Accepted: 6 May 2019 / Published: 10 June 2019
(This article belongs to the Special Issue Selected Papers From The 3rd International Symposium on Broomcorn Millet)
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Abstract

Sorghum is a multipurpose crop cultivated in over 100 countries, but its productivity is constrained by several biotic and abiotic stresses. Therefore, sorghum improvement programs largely focus on developing high-yielding cultivars with multiple traits including stress resistance, bioenergy and nutritional quality. This study was undertaken to meet breeders’ needs to develop such cultivars and identify diverse germplasm sources with multiple traits. The 242 sorghum mini core accessions were evaluated for agronomic traits (yield, maturity, 100-seed weight) in two post-rainy seasons under optimally irrigated and drought conditions and identified 21 accessions as a sources for agronomic traits. The evaluation of mini core revealed 70 accessions resistant to biotic stress, 12 to abiotic stress, 13 for bioenergy traits and 27 for nutritional traits. The 13,390 single nucleotide polymorphism markers on mini core were used to identify genetically diverse accessions with desirable agronomic traits: IS 23684 (nutrition traits, diseases, insect pests), IS 1212 (earliness, nutrition traits, drought, seedling vigor, diseases), IS 5094 (yield, drought, diseases, insect pests), IS 473 (earliness, diseases), IS 4698 (yield, Brix %, insect pests) and IS 23891 (greater seed weight, yield, Brix %, drought, diseases). These are useful genetic resources that meet breeders needs to develop agronomically superior sorghum cultivars with desirable combinations of multiple traits and a broad genetic base. View Full-Text
Keywords: agronomic traits; biotic and abiotic stresses; genetic diversity; mini core; sorghum; trait-specific germplasm agronomic traits; biotic and abiotic stresses; genetic diversity; mini core; sorghum; trait-specific germplasm
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MDPI and ACS Style

Upadhyaya, H.D; Vetriventhan, M.; Asiri, A.M.; C.R. Azevedo, V.; Sharma, H.C.; Sharma, R.; Sharma, S.P.; Wang, Y.-H. Multi-Trait Diverse Germplasm Sources from Mini Core Collection for Sorghum Improvement. Agriculture 2019, 9, 121. https://doi.org/10.3390/agriculture9060121

AMA Style

Upadhyaya HD, Vetriventhan M, Asiri AM, C.R. Azevedo V, Sharma HC, Sharma R, Sharma SP, Wang Y-H. Multi-Trait Diverse Germplasm Sources from Mini Core Collection for Sorghum Improvement. Agriculture. 2019; 9(6):121. https://doi.org/10.3390/agriculture9060121

Chicago/Turabian Style

Upadhyaya, Hari D; Vetriventhan, Mani; Asiri, Abdullah M.; C.R. Azevedo, Vania; Sharma, Hari C.; Sharma, Rajan; Sharma, Suraj P.; Wang, Yi-Hong. 2019. "Multi-Trait Diverse Germplasm Sources from Mini Core Collection for Sorghum Improvement" Agriculture 9, no. 6: 121. https://doi.org/10.3390/agriculture9060121

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