한국육종학회지 (Korean Journal of Breeding Science)

  • 제38권4호
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  • Pages.219-222
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  • 2006
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  • 0250-3360(pISSN)
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  • 2287-5174(eISSN)
한국육종학회 (The Korean Society of Breeding Science)
권호 표지

Analysis of Natural Mutant of Photoperiod Sensitive Genetic Male Sterile Japonica 920S under Different Photoperiods in Rice

Pandeya, Devendra;Baek, Uck Kee;Suh , Hak Soo;Kang, Sang Gu

  • 발행 : 20060000
⟨ 이전 논문 다음 논문 ⟩

초록

Photoperiod sensitive genetic male sterile (PGMS) rice 920S was characterized as sterile when it was grown under longday condition but fertile when grown under short day condition. PGMS rice 920S, Fl and F2 plants were examined for their fer-tilities under different photoperiods. All 920S parent plants were fertile in short photoperiod condition at 10 hrs day length, Partialfertile in inteimediate photopehod condition at 13 hrs day length and sterile in long photoperiod condition at 14hrs day length.However, Fl plants were fertile in long photoperiod condition contrary to their parent and F2 populations. Interestingly, F2 plantsshowed wide range of fertility with partial segregation of complete fertile, Partial fertile, and complete sterile plants when theywere exposed to intermediate day length condition of 13 hrs day length. Therefore, here we suggest that there is a critical pho-toperiod to affect a PGMS gene that causes an alteration in fertility.

키워드

참고문헌

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