STUDIES ON EFFECT OF SEEDING INTERVAL, PLANTING RATIO AND SUPPLEMENTARY POLLINATION ON HYBRID RICE (PRH-10) SEED PRODUCTION

SUSHMITA¹*, MUKESH KUMAR², SATYENDRA³, P.K. SINGH⁴, ARUN KUMAR⁵, S.N. SINGH⁶, SUNIL KUMAR^7
1Department of Seed Science and Technology, Bihar Agricultural University, Sabour, Bhagalpur, 813210, Bihar, India
²Department of Seed Science and Technology, Bihar Agricultural University, Sabour, Bhagalpur, 813210, Bihar, India
³Department of Plant Breeding & Genetics, Bihar Agricultural University, Sabour, Bhagalpur, 813210, Bihar, India
⁴Department of Plant Breeding & Genetics, Bihar Agricultural University, Sabour, Bhagalpur, 813210, Bihar, India
⁵Department of Seed Science and Technology, Bihar Agricultural University, Sabour, Bhagalpur, 813210, Bihar, India
⁶Department of Statistics, Mathematics & Computer Applications, Bihar Agricultural University, Sabour, Bhagalpur, 813210, Bihar, India
⁷Department of Soil Science & Agricultural Chemistry, Bihar Agricultural University, Sabour, Bhagalpur, 813210, Bihar, India, India
* Corresponding Author : sushmitamona16@gmail.com

Received : 02-07-2019     Accepted : 13-12-2019     Published : 15-12-2019
Volume : 11     Issue : 23       Pages : 9298 - 9300
Int J Agr Sci 11.23 (2019):9298-9300

Keywords : Staggered Sowing, Planting ratio, Supplementary Pollination & Hybrid
Academic Editor : Tanveer Hasan, Dr K S Vinayaka, Dr A. L. Narayanan
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Department of Seed Science and Technology, Bihar Agricultural University, Sabour, Bhagalpur, 813210, Bihar, India
Author Contribution : All authors equally contributed

The present experiments were conducted during Kharif 2017 & 2018 for rice hybrid seed production of PRH-10 at Sabour condition. The successful development and use of hybrid rice production technology is prerequisite to exploit its benefit across the rice growing agro climatic regions. It was reported that the production technology of hybrid seed is very much influenced by the provenance. The parental line i.e., seed parent Pusa 6A and pollen parent PRR78 significantly differ in growth duration difference based on 50 percent flowering. The parental line sown with ten days seeding interval was found most synchronized in flowering. Application of GA3 was having significantly and positive effect on enhancing the panicle exertion alone or in combination with flag leaf clipping. For achieving maximum hybrid seed yield per ha planting ratio 2:8 and application of GA3 in combination with flag leaf clipping and supplementary pollination (rope pulling) is best in sabour (Bihar) condition.

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