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Journals / Ekin Journal of Crop Breeding and Genetics / 2019 / Cilt: 5 - Sayı: 2

Genetic Studies on Triticum timopheevi Based Cytoplasmic Genetic Male Sterility (CGMS) System in Relation to Hybrid Seed Production in Wheat (T. aestivum L.).

Sudhir Kumar SETHI
Krishnendu GUIN
Rajesh Kumar ARYA
Pages
103–110
Publication Date
2019-08-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

F1 cross-combinations, WH 416A X CBW 38, WH 416A X DBW 39, WH 416A X DBW 50 and WH 416A X NIAW 1188 were found remarkable for their agronomic performance.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:Forty-five F1 hybrids were produced by crossing fifteen elite wheat cultivars used as pollen donor/ male parents with three T. timopheevi based male sterile lines used as female parents.
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Key Findings & Data:Self-fertility status of these F1 hybrids was studied.
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Conclusion & Impact:F1 cross-combinations, WH 416A X CBW 38, WH 416A X DBW 39, WH 416A X DBW 50 and WH 416A X NIAW 1188 were found remarkable for their agronomic performance.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:CMS · hybrid seed production · Triticum timopheevi

Abstract

Forty-five F1 hybrids were produced by crossing fifteen elite wheat cultivars used as pollen donor/ male parents with three T. timopheevi based male sterile lines used as female parents. Self-fertility status of these F1 hybrids was studied. Two indexes, viz., number and percentage of seed development in bagged spikes of these forty-five F1 hybrids, bagged before starting of anthesis, were used to determine the degree of fertility restored in the F1 hybrids. Based upon a scale devised using the second index, i.e. percentage of seed development in bagged spikes, corresponding pollen parents were identified and classified as maintainer, partial maintainer, partial restorer or restorer. In the present study, WH 542 and KRL 99 were identified as partial restorers for CMS line WH 416A. Agronomic performances of the forty-five hybrids produced were also studied for days to heading, plant height, number of tillers per plant, number of florets per spike. F1 cross-combinations, WH 416A X CBW 38, WH 416A X DBW 39, WH 416A X DBW 50 and WH 416A X NIAW 1188 were found remarkable for their agronomic performance.

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Cite This Article

SETHI, S. K., GUIN, K., ARYA, R. K. (2019). Genetic Studies on Triticum timopheevi Based Cytoplasmic Genetic Male Sterility (CGMS) System in Relation to Hybrid Seed Production in Wheat (T. aestivum L.).. Ekin Journal of Crop Breeding and Genetics, Cilt: 5 - Sayı: 2, 103–110. https://ajindex.com/articles/753149

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