Combining Ability Studies in Bottle Gourd [Lagenaria siceraria (Molina) Standl.] for Yield and its Attributing Traits during February Season

Author: Pushpam Patel, Ramesh Kumar Sharma, Ajay Bhardwaj, Randhir Kumar, Sanjay Sahay, Anand Kumar, Ritu Kumari and Amresh Bahadur Singh

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Abstract

The present study was conducted at Vegetable Research Farm, BAU, Sabour, Bhagalpur, with the objective to study the GCA of parents and SCA of hybrids for yield and its attributing traits in bottle gourd. GCA effects of parents and SCA effects of crosses were highly significant for the characters studied. The line × tester analysis was carried out involving 7 lines and 3 testers. Analysis of variance revealed significant difference among the genotypes for the traits under study. The estimates of variance component revealed that variance due to SCA was more pronounced than variance due to GCA for all the characters under study except days to first male flower opening, days to first female flower opening and days to first fruit harvest, indicating the importance of non-additive type of gene action for the expression for those characters. The GCA effect for fruit yield per vine revealed that line BRBG22-1 was the best general combiner. The SCA effect of hybrids for fruit yield per vine revealed that BRBG-23 × Narendra Rashmi and BRBG-65 × Rajendra Chamatkar was the best specific combiner.

Keywords

General combining ability, specific combining ability, bottle gourd, Line × Tester

Conclusion

The estimates of variance component revealed that variance due to SCA was more pronounced than variance due to GCA for all the characters under study except length of fruit, indicating the importance of non-additive type of gene action for the expression for these characters and heterosis breeding or recurrent selection can be employed for improvement of these characters. The parents BRBG-22-1and BRBG-41-1were the good general combiners for fruit yield per vine. These can be used for identifying superior heterotic combinations. Out of twenty one hybrids, BRBG-23 × Rajendra Chamatkar (0.92), BRBG-41-1 × Narendra Rashmi (1.07) and BRBG-21-2 × Swarna Sneha (1.30) were showed significant and positive SCA effects and were grouped under good specific combiner and these can be subjected to recurrent selection for improvement of genetic stock.

References

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How to cite this article

Pushpam Patel, Ramesh Kumar Sharma, Ajay Bhardwaj, Randhir Kumar, Sanjay Sahay, Anand Kumar, Ritu Kumari and Amresh Bahadur Singh (2023). Combining Ability Studies in Bottle Gourd [Lagenaria siceraria (Molina) Standl.] for Yield and its Attributing Traits during February Season. Biological Forum – An International Journal, 15(1): 367-372.