The production and cytogenetical studies of Oryza sativa - Oryza eichingeri amphiploid

Huihuang Yan; Zhenmin Xiong; Shaokai Min; Huiying Hu; Zhitao Zhang; Shulan Tian; Qiang Fu

The production and cytogenetical studies of Oryza sativa - Oryza eichingeri amphiploid

Huihuang Yan, Zhenmin Xiong, Shaokai Min, Huiying Hu, Zhitao Zhang, Shulan Tian, Qiang Fu

Research output: Contribution to journal › Article › peer-review

Abstract

Two BPH resistant amphiploids, E₁₃ and E₂₄ (2n=48), were selected from pollen-derived regenerants (H₁) of Oryza sativa x O. eichingeri F₁ hybrid, and their genetic behavior was investigated. They were characterized by shorter plant height, decreased spikelets per panicle, longer panicle and anther, and larger spikelets, in comparison with the original F₁ hybrid. They were also self fertile, although somewhat low, with seed set ranging from 2.72% to 3.55% in H₁ and from 4.29% to 4.72% in H₂. The meiotic analysis further revealed the chromosome configuration at MI of E₁₃ and E₂₄, being 0.69 I +23.54 II +0.06 IV and 0.59 I +23.36 II +0.14 IV, respectively. The invariable chromosome numbers (2n=48) and the similar morphological traits in H₂ and H₃ generations led to the conclusion that these two amphiploids had a relatively high genetic stability.

Original language	English (US)
Pages (from-to)	32-34
Number of pages	3
Journal	Acta Genetica Sinica
Volume	24
Issue number	1
State	Published - 1997

Keywords

Amphiploid
Chromosome configuration
Oryza eichingeri
Oryza sativa
Resistance to BPH
Self fertility

ASJC Scopus subject areas

Molecular Biology
Genetics

Cite this

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title = "The production and cytogenetical studies of Oryza sativa - Oryza eichingeri amphiploid",

abstract = "Two BPH resistant amphiploids, E13 and E24 (2n=48), were selected from pollen-derived regenerants (H1) of Oryza sativa x O. eichingeri F1 hybrid, and their genetic behavior was investigated. They were characterized by shorter plant height, decreased spikelets per panicle, longer panicle and anther, and larger spikelets, in comparison with the original F1 hybrid. They were also self fertile, although somewhat low, with seed set ranging from 2.72% to 3.55% in H1 and from 4.29% to 4.72% in H2. The meiotic analysis further revealed the chromosome configuration at MI of E13 and E24, being 0.69 I +23.54 II +0.06 IV and 0.59 I +23.36 II +0.14 IV, respectively. The invariable chromosome numbers (2n=48) and the similar morphological traits in H2 and H3 generations led to the conclusion that these two amphiploids had a relatively high genetic stability.",

keywords = "Amphiploid, Chromosome configuration, Oryza eichingeri, Oryza sativa, Resistance to BPH, Self fertility",

author = "Huihuang Yan and Zhenmin Xiong and Shaokai Min and Huiying Hu and Zhitao Zhang and Shulan Tian and Qiang Fu",

year = "1997",

language = "English (US)",

volume = "24",

pages = "32--34",

journal = "Acta Genetica Sinica",

issn = "0379-4172",

publisher = "Institute of Genetics and Developmental Biology",

number = "1",

}

TY - JOUR

T1 - The production and cytogenetical studies of Oryza sativa - Oryza eichingeri amphiploid

AU - Yan, Huihuang

AU - Xiong, Zhenmin

AU - Min, Shaokai

AU - Hu, Huiying

AU - Zhang, Zhitao

AU - Tian, Shulan

AU - Fu, Qiang

PY - 1997

Y1 - 1997

N2 - Two BPH resistant amphiploids, E13 and E24 (2n=48), were selected from pollen-derived regenerants (H1) of Oryza sativa x O. eichingeri F1 hybrid, and their genetic behavior was investigated. They were characterized by shorter plant height, decreased spikelets per panicle, longer panicle and anther, and larger spikelets, in comparison with the original F1 hybrid. They were also self fertile, although somewhat low, with seed set ranging from 2.72% to 3.55% in H1 and from 4.29% to 4.72% in H2. The meiotic analysis further revealed the chromosome configuration at MI of E13 and E24, being 0.69 I +23.54 II +0.06 IV and 0.59 I +23.36 II +0.14 IV, respectively. The invariable chromosome numbers (2n=48) and the similar morphological traits in H2 and H3 generations led to the conclusion that these two amphiploids had a relatively high genetic stability.

AB - Two BPH resistant amphiploids, E13 and E24 (2n=48), were selected from pollen-derived regenerants (H1) of Oryza sativa x O. eichingeri F1 hybrid, and their genetic behavior was investigated. They were characterized by shorter plant height, decreased spikelets per panicle, longer panicle and anther, and larger spikelets, in comparison with the original F1 hybrid. They were also self fertile, although somewhat low, with seed set ranging from 2.72% to 3.55% in H1 and from 4.29% to 4.72% in H2. The meiotic analysis further revealed the chromosome configuration at MI of E13 and E24, being 0.69 I +23.54 II +0.06 IV and 0.59 I +23.36 II +0.14 IV, respectively. The invariable chromosome numbers (2n=48) and the similar morphological traits in H2 and H3 generations led to the conclusion that these two amphiploids had a relatively high genetic stability.

KW - Amphiploid

KW - Chromosome configuration

KW - Oryza eichingeri

KW - Oryza sativa

KW - Resistance to BPH

KW - Self fertility

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AN - SCOPUS:1542629160

SN - 0379-4172

VL - 24

SP - 32

EP - 34

JO - Acta Genetica Sinica

JF - Acta Genetica Sinica

IS - 1

ER -

The production and cytogenetical studies of Oryza sativa - Oryza eichingeri amphiploid

Abstract

Keywords

ASJC Scopus subject areas

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