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DEVELOPMENT OF eui-T(P)GMS-LINE PEIAI64eS(1)OF RICE

Shu Jie Zhang

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Abstract

An elongated uppermost internode mutant was obtained from T(P)GMS line Peiai64S by irradiation and the eui \|P(P)GMS line Peiai64eS(1) as well as its corresponding eui \|hybrid of rice were developed. Comparing with original Peiai64S, the Peiai64eS(1) with euil gene had significantly improved outcrossing characteristics of completely exserted panicle due to elongated uppermost internode and more exserted stigma, which result in no or little using GA3 in seed production of two\|line eui \|hybrids. Moreover, the eui \|hybrids showed higher yield potential than the hybrids without eui gene.

About this research paper

What this paper is about

An elongated uppermost internode mutant was obtained from T(P)GMS line Peiai64S by irradiation and the eui \|P(P)GMS line Peiai64eS(1) as well as its corresponding eui \|hybrid of rice were developed. Comparing with original Peiai64S, the Peiai64eS(1) with euil gene had significantly improved outcrossing characteristics of completely exserted panicle due to elongated uppermost internode and more exserted stigma, which result in no or little using GA3 in seed production of two\|line eui \|hybrids. Moreover, the eui \|hybrids showed higher yield potential than the hybrids without eui gene.

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Available abstract

An elongated uppermost internode mutant was obtained from T(P)GMS line Peiai64S by irradiation and the eui \|P(P)GMS line Peiai64eS(1) as well as its corresponding eui \|hybrid of rice were developed. Comparing with original Peiai64S, the Peiai64eS(1) with euil gene had significantly improved outcrossing characteristics of completely exserted panicle due to elongated uppermost internode and more exserted stigma, which result in no or little using GA3 in seed production of two\|line eui \|hybrids. Moreover, the eui \|hybrids showed higher yield potential than the hybrids without eui gene.

Key concepts: Panicle, Hybrid, Biology, Line (geometry), Outcrossing, Horticulture, Mutant, Botany

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