Himachal Journal of Agricultural Research

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Identification and Isolation of Transgressive Segregants in F3 Generation of Blackgram [Vigna mungo (L.) Hepper]


Affiliations
1 Department of Crop Improvement, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur - 176 062, India
 

An investigation on blackgram (Vigna mungo (L.) Hepper) was conducted to elicit the information on superior transgressive segregants generated in respect of seed yield and its components in F3 generation of blackgram. The F3 populations were raised in Compact Family Block Design during Kharif 2016. High frequency of transgressive segregation (100%) was shown by the different progenies of crosses namely DU-1 × Palampur-93, HPBU-124 × HPBU-111, TU-17-4 × Palampur-93, DU-1 × Him Mash-1, IPU-02-33 × Palampur-93, KU-223 × HPBU-111, KU-553 × Palampur-93, HPBU-126 × HPBU-111, KU-553 × HPBU-111 and HPBU-126 × Palampur-93 for all of the studied traits. The results suggested the existence of large count of transgressive segregants in early segregating generations for almost all the traits which provides a wide scope for the meticulous selection of these genotypes and to bring in the beneficial alleles for blackgram breeding program in later generations for developing the desirable plant type.

Keywords

Blackgram, Vigna mungo, Transgressive Segregants and Quantitative.
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  • Identification and Isolation of Transgressive Segregants in F3 Generation of Blackgram [Vigna mungo (L.) Hepper]

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Authors

Shilpa Chauhan
Department of Crop Improvement, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur - 176 062, India
R. K. Mittal
Department of Crop Improvement, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur - 176 062, India
V. K. Sood
Department of Crop Improvement, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur - 176 062, India
Ranjana Patial
Department of Crop Improvement, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur - 176 062, India

Abstract


An investigation on blackgram (Vigna mungo (L.) Hepper) was conducted to elicit the information on superior transgressive segregants generated in respect of seed yield and its components in F3 generation of blackgram. The F3 populations were raised in Compact Family Block Design during Kharif 2016. High frequency of transgressive segregation (100%) was shown by the different progenies of crosses namely DU-1 × Palampur-93, HPBU-124 × HPBU-111, TU-17-4 × Palampur-93, DU-1 × Him Mash-1, IPU-02-33 × Palampur-93, KU-223 × HPBU-111, KU-553 × Palampur-93, HPBU-126 × HPBU-111, KU-553 × HPBU-111 and HPBU-126 × Palampur-93 for all of the studied traits. The results suggested the existence of large count of transgressive segregants in early segregating generations for almost all the traits which provides a wide scope for the meticulous selection of these genotypes and to bring in the beneficial alleles for blackgram breeding program in later generations for developing the desirable plant type.

Keywords


Blackgram, Vigna mungo, Transgressive Segregants and Quantitative.

References