The Results of Purification of the Female Line and EstablishingProcedurefor Hybrid Seed Production of TheNew Two-Line Hybrid Rice Variety TH8-3

Received: 26-11-2013

Accepted: 03-02-2014

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Issue: Vol. 12 No. 1 (2014)

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NÔNG HỌC

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Ngoc, V., Huyen, T., Yen, P., Muoi, N., & Tram, N. (2024). The Results of Purification of the Female Line and EstablishingProcedurefor Hybrid Seed Production of TheNew Two-Line Hybrid Rice Variety TH8-3. Vietnam Journal of Agricultural Sciences, 12(1), 7–15. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/1576

The Results of Purification of the Female Line and EstablishingProcedurefor Hybrid Seed Production of TheNew Two-Line Hybrid Rice Variety TH8-3

Vu Thi Bich Ngoc (*) 1 , Tran Thi Huyen 1 , Pham Thi Ngoc Yen 1 , Nguyen Van Muoi 1 , Nguyen Thi Tram 1

  • 1 Viện nghiên cứu và phát triển cây trồng, Trường Đại học Nông nghiệp Hà Nội

    • Keywords

    Critical sterility inducing temperature (CSIT), F1 seed production, heterosis, two-line hybrid rice

    Abstract


    The new two-line hybrid rice variety TH8-3 (T7S-8/R3) has been recognizedastesting variety by Ministry of Agriculture and Rural Developmentin2010because it combines early maturity, high yield (6.0-8.0 tons/hectare), good lodging resistance and high grain quality. The yield of F1seed production is notyethigh becausethe parental linesare notcompletelypure and instable in terms of critical sterility temperature. Four successiveexperiments were conducted in growth chamber to screen/select female lines that havecritical sterility inducing temperature ≤ 240C,concurrently maintainheterosis of T7S-8/R3hybrid combination. Suitable planting dates and technical measures for F1seed production were also identified. These results can serve as basis to establish protocol for female line multiplication and procedure for hybrid seed production.

    References

    Bộ Nông nghiệp và PTNT (2011). Quy chuẩn kỹ thuật quốc gia về chất lượng hạt giống lúa lai hai dòng (QCVN 01-51:2011/TTBNNPTNT).

    Dat Van Tran (2001). Closing the rice yield gap for food security, in “Rice research for food security and poverty alleviation”, Edited by S. Peng and B Hardy, IRRI, p. 27-41.

    IRRI (2002). Standard evaluation system for rice. (IRRI, P.O. Box 933. 1099- Manila Philippines).

    Mou TM. (2000). Methods and procedures for breeding EGMS lines, Training course, Hangzhou, China.

    Phạm Chí Thành (1986). Phương pháp thí nghiệm đồng ruộng (Giáo trình Đại học). Nhà xuất bản Nông nghiệp, Hà Nội, 215 trang.

    Nguyễn Thị Trâm, Phạm Thị Ngọc Yến, Trần Văn Quang, Lê Thị Khải Hoàn và cs. (2011). Kết quả nghiên cứu chọn lọc duy trì độ thuần dòng mẹ lúa lai hai dòng, Tạp chí Nông nghiệp và PTNT, 2+3: 24-29.

    Yuan Longping, Wu Xiaojin, Liao Fuming, Ma guohui, Xu Quisheng (2003). Hybrid Rice Technology, China Agr. Press, Beijing, China, 131 p.

    Yuan LP. (2008). Progress in breeding of super hybrid Rice. Paper presented to the 5th Symposium of the International hybrid Rice, 11-15th September, 2008.