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Archive: Published Articles


Interdisciplinary International Science Journal

Volume 41 (2023)
Issue 3A
Page No. 1515


Shilpa N*.,

Manjula S. Maralappanavar,

Lakshmi Gangavati,

Shreekanth S. Patil,

S. B. Patil

Identification of Superior Transgressive Segregants with 
Cry1Ac Gene for Yield and Yield Related Traits in UASD 
Bt Cotton Event No. 78 Based F2 Intra Gossypium 
hirsutum L. Populations


Shilpa N., Manjula S. Maralappanavar, Lakshmi Gangavati,

Shreekanth S. Patil, S. B. Patil

Received 1 February 2023, Accepted 8 May 2023, Published on 18 August 2023




Three F2 populations derived from three non Bt hirsutum female lines (DHS-114, DHS-121, DHS-108) and male Bt parent UASD Event No. 78, independently, were evaluated for yield and yield related traits. F2 generation of three crosses recorded transgressive segregants for number of bolls per plant (45), number of monopodia per plant (38), average boll weight (36) and seed cotton yield per plant (18). Cross DHS–114 × Event No.78 recorded 15 transgressive segregants, with 0.7% to 104.6% higher seed cotton yield than check ARBH-813 (56.2 g/plant). In crosses DHS–121 × Event No.78 and DHS–108 × Event No.78, 15 and five segregants showed higher performance with yield advantage of 0.4 to 71.7% and 14.4 to 56.6%, respectively. These selected transgressive segregant plants can be advanced to further generations to help in isolating and stabilizing superior genotypes with Cry1Ac gene.

Keywords   Bt cotton, UASD event no. 78, Cry1Ac gene, Transgressive segregants, Seed cotton yield.

Environment and Ecology 41(3A) : 1515—1522, July—September 2023
Article DOI:
ISSN 0970-0420

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