Flowering Behavior and Selection of Hybrid Potato Clones through LXT Breeding Approaches

Md. Nurul Amin, Md. Mushfiqur Rahman, Mosaddiqur Rahman, Abdullah Al Mahmud, Afroz Naznin, Md. Mazadul Islam, Bimal Chandra Kundu, Amnah Mohammed Alsuhaibani, Ahmed Gaber and Sharif Ahmed
Additional contact information
Md. Nurul Amin: Breeder Seed Production Centre, Bangladesh Agricultural Research Institute (BARI), Debiganj, Panchagarh 5020, Bangladesh
Md. Mushfiqur Rahman: Breeder Seed Production Centre, Bangladesh Agricultural Research Institute (BARI), Debiganj, Panchagarh 5020, Bangladesh
Mosaddiqur Rahman: Breeder Seed Production Centre, Bangladesh Agricultural Research Institute (BARI), Debiganj, Panchagarh 5020, Bangladesh
Abdullah Al Mahmud: On-Farm Research Division (OFRD), (BARI), Gaibandha 5700, Bangladesh
Afroz Naznin: Horticulture Research Centre, BARI, Joydebpur, Gazipur 1701, Bangladesh
Md. Mazadul Islam: Tuber Crop Research Centre, BARI, Joydebpur, Gazipur 1701, Bangladesh
Bimal Chandra Kundu: Tuber Crop Research Centre, BARI, Joydebpur, Gazipur 1701, Bangladesh
Amnah Mohammed Alsuhaibani: Department of Physical Sport Science, College of Education, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
Ahmed Gaber: Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Sharif Ahmed: International Rice Research Institute, Bangladesh Office, Dhaka 1213, Bangladesh

Agriculture, 2022, vol. 12, issue 4, 1-12

Abstract: Potato breeding in Bangladesh is very challenging because it is grown in the short winter season, and flowering does not occur naturally, explaining why artificial lighting and extra care are needed. In addition, the breeding scheme is mainly focused on improving potato yield, followed by tuber quality. The goal of this study was to choose male parents, as well as the effect of environment, on flowering and fruit (berry) setting and to estimate the combining ability among promising BARI-released potato varieties in the second filial generation. Lines of seven Bangladesh Agricultural Research Institute (BARI) varieties were crossed with two BARI variety potato parents as the tester (Line × tester). The BARI Alu-86, BARI Alu-72, BARI Alu-73, and BARI Alu-53 were selected as the best male parents based on the abundance of pollen and fruit set. In both years, flower initiation days varied among clones. For the majority of the traits, such as plant height, tuber number, and yield per plant, the variance of general combining ability (GCA) and specific combining ability (SCA) varied. The inheritance of the considered trait was predominant by non-additive gene action. Concerning general combining ability, for plant height, parents ‘BARI Alu-41’ and ‘BARI Alu-53’, for stem per hill, ‘BARI Alu-79′, for tuber number, ‘BARI Alu-37’, and for yield, ‘BARI Alu-37’ and ‘BARI Alu-79’ contributed complementary favorable alleles. The specific combining ability indicated ‘BARI Alu-37’ × ‘BARI Alu-86’ and ‘BARI Alu-77’ × ‘BARI Alu-72’ were the best potential hybrid families for the production of improved genotypes of tuber yield and tuber number. This study will help to design a breeding program following potato population development and the selection of progeny before their utilization as progenitors.

Keywords: flower; GCA; SCA; clone; tuber (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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