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9. Breeding Chickpea for Climate Resilience: An Overview

Author

Mallikarjuna, Bingi Pujari, Patil, Basavanagouda S., Meena, Shashi, Tripathi, Shailesh, Bhat, Jayant S., Vijayakumar, A. G., Bharadwaj, Chellapilla, Jha, Uday C, editor, Nayyar, Harsh, editor, Agrawal, Shiv Kumar, editor, and Siddique, Kadambot H. M., editor

Published
2022
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10. Maize Breeding

Author

Hossain, Firoz, Muthusamy, Vignesh, Bhat, Jayant S., Zunjare, Rajkumar U., Kumar, Santosh, Prakash, Nitish R., Mehta, Brijesh K., Yadava, Devendra Kumar, editor, Dikshit, Harsh Kumar, editor, Mishra, Gyan Prakash, editor, and Tripathi, Shailesh, editor

Published
2022
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11. Biofortification of Maize for Nutritional Security

Author

Hossain, Firoz, Zunjare, Rajkumar U., Muthusamy, Vignesh, Bhat, Jayant S., Mehta, Brijesh K., Sharma, Devender, Talukder, Zahirul A., Chhabra, Rashmi, Katral, Ashvinkumar, Dutta, Suman, Chand, Gulab, Bhatt, Vinay, Mishra, Subhra J., Gain, Nisrita, Kasana, Ravindra, Ikkurti, Gopinath, Duo, Hriipulou, Kumar, Shiv, editor, Dikshit, Harsh Kumar, editor, Mishra, Gyan Prakash, editor, and Singh, Akanksha, editor

Published
2022
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13. Enhancing kernel oil and tailoring fatty acid composition by genomics‐assisted selection for dgat1‐2 and fatb genes in multi‐nutrient‐rich maize: new avenue for food, feed and bioenergy.

Author

Katral, Ashvinkumar, Hossain, Firoz, Zunjare, Rajkumar U., Mishra, Subhra J., Ragi, Shridhar, Kasana, Ravindra K., Chhabra, Rashmi, Thimmegowda, Vinutha, Vasudev, Sujata, Kumar, Santosh, Bhat, Jayant S., Neeraja, Chirravuri Naga, Yadava, Devendra K., and Muthusamy, Vignesh

Subjects
ESSENTIAL amino acids, ESSENTIAL fatty acids, PALMITIC acid, OLEIC acid, MICROSATELLITE repeats, VITAMIN E
Abstract

SUMMARY: Enhancing maize kernel oil is vital for improving the bioavailability of fat‐soluble vitamins. Here, we combined favourable alleles of dgat1‐2 and fatb into parental lines of four multi‐nutrient‐rich maize hybrids (APTQH1, APTQH4, APTQH5 and APTQH7) using marker‐assisted selection (MAS). Parental lines possessed favourable alleles of crtRB1, lcyE, vte4 and opaque2 genes. Gene‐specific markers enabled successful foreground selection in BC1F1, BC2F1 and BC2F2, while background selection using genome‐wide microsatellite markers (127–132) achieved 93% recurrent parent genome recovery. Resulting inbreds exhibited significantly higher oil (6.93%) and oleic acid (OA, 40.49%) and lower palmitic acid (PA, 14.23%) compared to original inbreds with elevated provitamin A (11.77 ppm), vitamin E (16.01 ppm), lysine (0.331%) and tryptophan (0.085%). Oil content significantly increased from 4.80% in original hybrids to 6.73% in reconstituted hybrids, making them high‐oil maize hybrids. These hybrids displayed 35.70% increment in oil content and 51.56% increase in OA with 36.32% reduction in PA compared to original hybrids, while maintaining higher provitamin A (two‐fold), vitamin E (nine‐fold), lysine (two‐fold) and tryptophan (two‐fold) compared to normal hybrids. Lipid health indices showed improved atherogenicity, thrombogenicity, cholesterolaemic, oxidability, peroxidizability and nutritive values in MAS‐derived genotypes over original versions. Besides, the MAS‐derived inbreds and hybrids exhibited comparable grain yield and phenotypic characteristics to the original versions. The maize hybrids developed in the study possessed high‐yielding ability with high kernel oil and OA, low PA, better fatty acid health and nutritional properties, higher multi‐vitamins and balanced amino acids, which hold immense significance to address malnutrition and rising demand for oil sustainably in a fast‐track manner. [ABSTRACT FROM AUTHOR]

Published
2024
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16. Simulated drought stress unravels differential response and different mechanisms of drought tolerance in newly developed tropical field corn inbreds.

Author

Naidu Gopalakrishna K, Rajeshwari Hugar, Kachapur Rajashekar M, Bhat Jayant S, Sidramappa C Talekar, and Chimmad Virupaxi P

Subjects
Medicine, Science
Abstract

Corn is one of the most important cereal crops in the world with highest yield potential. Nevertheless, its potential productivity is constrained by the occurrences of drought stress worldwide. Besides, in the era of climate change, frequent occurrences of severe droughts are predicted. The present investigation was carried out at Main Agricultural Research Station, University of Agricultural Sciences, Dharwad in split plot design to study response of twenty-eight new corn inbreds under drought free (well-watered) conditions and drought simulated by withholding irrigation from 40 to 75 DAS to create water stress. Significant differences among the corn inbreds, moisture treatments and interaction between inbreds were observed for morpho-physiological, yield and yield components indicating differential response of corn inbreds. The inbreds CAL 1426-2 (higher RWC, SLW& wax and lower ASI), PDM 4641(higher SLW, proline, & wax, and lower ASI) and GPM 114 (higher proline & wax, and lower ASI) were drought tolerant. These inbreds are having higher production potential (>5.0 t/ha) under moisture stress condition with less per cent reduction (

Published
2023
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18. Maize

Author

Hossain, Firoz, Muthusamy, Vignesh, Bhat, Jayant S., Jha, Shailendra K., Zunjare, Rajkumar, Das, Abhijit, Sarika, Konsam, Kumar, Rajesh, Singh, Mohar, editor, and Kumar, Sandeep, editor

Published
2016
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19. Characterization of sub-tropical maize (Zea MaysL.) inbred lines for the variation in kernel row numbers (KRNs)

Author

Mukri, Ganapati, Gadag, R. N., Bhat, Jayant S., Nepolean, T., Gupta, Navin C., Mittal, Shikha, Nithyashree, M. L., Kumar, Ramesh, and Pal, Digvender

Abstract

Genetic dissection of high kernel row numbers (KRNs) trait and cob length has been undertaken by several researchers resulting in identification of loci controlling the traits. Further fine mapping of QTLs controlling KRN and cob length and TILLING strategies identified the underlying genes. All these studies are used temperate maize genotypes which are of limited use to researcher in sub-tropical region and the sub-tropical maize production systems. Present investigation explores the availability of genetic regions responsible for KRN in sub-tropical maize germplasm. A total of 280 sub-tropical maize germplasm were analyzed for their KRN variation and selected 45 stable lines were subjected to molecular characterization using genes linked to KRN in maize. Diversity analysis was also performed to understand the possible association of character with the KRN gene in deciding its variation in the given population. It was revealed that four genes showed highest probability of influencing KRN traits in these tropical maize inbred lines. The remaining genes not establishing specific pattern of association with high and low KRN genotypes may need further study on its allelic variation.

Published
2024
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20. Importance of mega-environments in evaluation and identification of climate resilient maize hybrids (Zea mays L.).

Author

Kachapur, Rajashekhar M., Patil, Nandan L., Talekar, Sidramappa C., Wali, Mrutyunjaya C., Naidu, Gopalakrishna, Salakinakop, Shiddappa R., Harlapur, Sharanappa I., Bhat, Jayant S., and Kuchanur, Prakash H.

Subjects
GRAIN yields, ANALYSIS of variance, GENOTYPES
Abstract

Multi-location experiments on maize were conducted from 2016 to 2019 at ten locations distributed across two agro-climatic zones (ACZ) i.e., ACZ-3 and ACZ-8 of Karnataka, India. Individual analysis of variance for each location-year combination showed significant differences among the hybrids; similarly, combined analysis showed a higher proportion of GE interaction variance than due to genotype. Mega-environments were identified using biplot approaches such as AMMI, GGE, and WAASB methodologies for the years 2016 to 2019. The BLUP method revealed a high correlation between grain yield and stability indices ranging from 0.67 to 1.0. Considering all three methods together, the three location pairs Arabhavi-Belavatagi, Bailhongal-Belavatagi, and Hagari-Sirguppa had three occurrences in the same mega-environment with a value of 0.67, and these location combinations consistently produced winning genotypes. Among the common winning genotypes identified, it was G7 during 2016 and 2017 and G10 during 2018 and 2019, based on WAASBY. The likelihood of Arabhavi-Nippani, Hagari-Mudhol, and Dharwad-Hagari occurring in the same mega-environment is minimal because they did not share the same winning genotype, with the exception of a small number of events. Despite being in the same agro-climatic zone, Arabhavi, Hagari, and Mudhol rarely had a winning genotype in common. An agro-climatic zone is grouped based on climatic and soil conditions which doesn't consider GE interaction of cultivars thus, releasing the cultivars for commercial cultivation considering mega environments pattern would enhance the yield for the given target region. [ABSTRACT FROM AUTHOR]

Published
2023
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26. Development of Maize Hybrids With Enhanced Vitamin-E, Vitamin-A, Lysine, and Tryptophan Through Molecular Breeding

Author

Das, Abhijit K., primary, Gowda, Munegowda M., additional, Muthusamy, Vignesh, additional, Zunjare, Rajkumar U., additional, Chauhan, Hema S., additional, Baveja, Aanchal, additional, Bhatt, Vinay, additional, Chand, Gulab, additional, Bhat, Jayant S., additional, Guleria, Satish K., additional, Saha, Supradip, additional, Gupta, Hari S., additional, and Hossain, Firoz, additional

Published
2021
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28. A novel quantitative trait loci governs prolificacy in ‘Sikkim Primitive’ – A unique maize ( Zea mays ) landrace of North‐Eastern Himalaya

Author

Prakash, Nitish R., primary, Zunjare, Rajkumar U., additional, Muthusamy, Vignesh, additional, Rai, Mayank, additional, Kumar, Amit, additional, Guleria, Satish K., additional, Bhatt, Vinay, additional, Choudhary, Jeetram, additional, Chand, Gulab, additional, Jaiswal, Sunil K., additional, Bhat, Jayant S., additional, and Hossain, Firoz, additional

Published
2021
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30. Development of sub-tropically adapted diverse provitamin-A rich maize inbreds through marker-assisted pedigree selection, their characterization and utilization in hybrid breeding

Author

Duo, Hriipulou, primary, Hossain, Firoz, additional, Muthusamy, Vignesh, additional, Zunjare, Rajkumar U., additional, Goswami, Rajat, additional, Chand, Gulab, additional, Mishra, Subhra J., additional, Chhabra, Rashmi, additional, Gowda, Munegowda M., additional, Pal, Saikat, additional, Baveja, Aanchal, additional, Bhat, Jayant S., additional, Kamboj, Mehar C., additional, Kumar, Bhupender, additional, Amalraj, John J., additional, Khulbe, Rajesh, additional, Prakash, Bhukya, additional, Neeraja, C. N., additional, Rakshit, Sujay, additional, and Yadav, Om P., additional

Published
2021
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33. Genetic variability-, genotype × environment interactions- and combining ability-analyses of kernel tocopherols among maize genotypes possessing novel allele of γ-tocopherol methyl transferase (ZmVTE4)

Author

Das, Abhijit K., primary, Muthusamy, Vignesh, additional, Zunjare, Rajkumar U., additional, Chauhan, Hema S., additional, Sharma, Pawan K., additional, Bhat, Jayant S., additional, Guleria, Satish K., additional, Saha, Supradip, additional, and Hossain, Firoz, additional

Published
2019
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36. Correction: Stability Performance of Inductively Coupled Plasma Mass Spectrometry-Phenotyped Kernel Minerals Concentration and Grain Yield in Maize in Different Agro-Climatic Zones

Author

Mallikarjuna, Mallana Gowdra, primary, Thirunavukkarasu, Nepolean, additional, Hossain, Firoz, additional, Bhat, Jayant S., additional, Jha, Shailendra K., additional, Rathore, Abhishek, additional, Agrawal, Pawan Kumar, additional, Pattanayak, Arunava, additional, Reddy, Sokka S., additional, Gularia, Satish Kumar, additional, Singh, Anju Mahendru, additional, Manjaiah, Kanchikeri Math, additional, and Gupta, Hari Shanker, additional

Published
2015
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37. Stability Performance of Inductively Coupled Plasma Mass Spectrometry-Phenotyped Kernel Minerals Concentration and Grain Yield in Maize in Different Agro-Climatic Zones

Author

Mallikarjuna, Mallana Gowdra, primary, Thirunavukkarasu, Nepolean, additional, Hossain, Firoz, additional, Bhat, Jayant S., additional, Jha, Shailendra K., additional, Rathore, Abhishek, additional, Agrawal, Pawan Kumar, additional, Pattanayak, Arunava, additional, Reddy, Sokka S., additional, Gularia, Satish Kumar, additional, Singh, Anju Mahendru, additional, Manjaiah, Kanchikeri Math, additional, and Gupta, Hari Shanker, additional

Published
2015
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