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Rare inheritance studies on yellow sarson for petalous and apetalous traits

Published online by Cambridge University Press:  04 March 2024

Charu Bisht Open the ORCID record for Charu Bisht [Opens in a new window] ,
Birendra Prasad ,
Usha Pant ,
Sanjay Kumar Verma ,
Amit Kumar Gaur ,
Shubham Gupta ,
Neha Panwar ,
Sivendra Joshi ,
Yashpal Singh Bisht  and
Himanshu Prashad
...Show all authors
Charu Bisht*
Affiliation:
Department of Plant Breeding, TMU, Moradabad, UP, India
Birendra Prasad
Affiliation:
Department of Genetics and Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
Usha Pant
Affiliation:
Department of Genetics and Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
Sanjay Kumar Verma
Affiliation:
Department of Genetics and Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
Amit Kumar Gaur
Affiliation:
Department of Genetics and Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
Shubham Gupta
Affiliation:
Department of Genetics and Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
Neha Panwar
Affiliation:
Department of Genetics and Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
Sivendra Joshi
Affiliation:
Department of Genetics and Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
Yashpal Singh Bisht
Affiliation:
Department of Horticulture, Dr. Khem Singh Gill Akal College of Agriculture, Eternal University, Sirmour, Himachal Pradesh, India
Himanshu Prashad
Affiliation:
Department of Genetics and Plant Breeding, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
Harsh Deep
Affiliation:
Department of Genetics and Plant Breeding, CCS HAU HISAR, Haryana, India
*
Corresponding author: Charu Bisht; Email: bishtcharu87@gmail.com
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Abstract

This study investigates the inheritance pattern of petalous and apetalous traits in yellow sarson (Brassica rapa var yellow sarson) and its significance for breeding efforts. Utilizing three crucial crosses between petalous (Pant Sweta, Pant Girija, YSH0401) and ‘apetalous’ parents, we observed the absence of apetalous plants in the F1 generation, indicating dominant inheritance of petalous plants. The F2 generation consistently displayed a 3:1 ratio of petalous to apetalous plants, confirming the dominance of the petalous trait. Chi-squared tests on each generation supported this conclusion. Backcrosses with petalous parents yielded no fruit, reinforcing the dominance of the petalous trait. Chi-squared tests on these backcrosses further confirmed the dominance inheritance pattern. Conversely, backcrosses with apetalous parents consistently exhibited a 1:1 ratio, highlighting the recessive nature of the apetalous trait. The study underscores the importance of understanding the inheritance pattern of petalous and apetalous traits in B. rapa var yellow sarson crop, as it has implications for breeding goals. Knowledge on trait inheritance can guide future breeding strategies, facilitating the transfer of the apetalous trait as needed. This study provides valuable insights for genetic investigations and breeding initiatives in B. rapa var yellow sarson.

Keywords

apetalousBrassicagenerationpetaloustrait
Type
Research Article
Information
Plant Genetic Resources , Volume 22 , Issue 2 , April 2024 , pp. 125 - 130
Copyright
Copyright © Charu bisht, 2024. Published by Cambridge University Press on behalf of National Institute of Agricultural Botany

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