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Vegetos- An International Journal of Plant Research
Year : 2016, Volume : 29, Issue : 3
First page : ( 13) Last page : ( 16)
Print ISSN : 0970-4078. Online ISSN : 2229-4473.
Article DOI : 10.5958/2229-4473.2016.00062.8

Differential response of Germplasm to Inter-Specific Hybridization of Brassica spp.

Roy Chandan*, Jha RN, Kishore Chandan, Singh PK, Tomar JB

Department of Plant Breeding and Genetics, Bihar Agricultural University, Sabour, Bhagalpur, India

*Corresponding author: Chandan Roy, Department of Plant Breeding and Genetics, Bihar Agricultural University, Sabour, Bhagalpur, Bihar, India, Tel: +91 641 245 2604, E-mail: chandan.roy43@gmail.com

Online published on 17 March, 2017.

Abstract

Understanding the fact behind the incompatible reaction in inter specific crosses is important for attempting successful crosses. Inter-specific hybridization between Brassica juncea and Brassica oleracea varbotrytiswere developed using reciprocal crosses. Four varieties of Indian mustard namely Varuna, Kranti, Pusa Bold and Rajendra Suflam were crossed reciprocally with one Cauliflower variety Sabour Agrim. Several barriers were observed right from the pre-fertilization to post fertilization during embryo developmental stages. 78.26%, 64.96% and 63.68% siliqua was retained after 6 days, 10 days and 15 days of pollination respectively when B. juncea was used as female parent whereas 99.35%, 45.51% and 43.22% of siliqua were retained after 6 days, 10 days and 15 days of pollination respectively when Brassica oleracea var bortytis was used as female parent. Both pre and post fertilization barriers were predominantly found when B. juncea was used as female parent whereas post fertilization barriers were found in the reciprocal crosses. Differential varietal response to siliqua drops was observed in the reciprocal crosses. Maximum response in the success of crosses was obtained for variety Kranti in B. juncea X B oleracea cross whereas variety Rajendra suflam was highly efficient in reciprocal crosses.

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Keywords

Distant hybridization, Cauliflower, Indian mustard, B. junceaB. oleracea.

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