Genotypic differences in proembryoid development and green plantlets regeneration through androgenesis in barley varieties

被引：2

作者：

Wietholter, Paula ^{[1
]}

Baggio de Moraes Fernandes, Maria Irene ^{[2
]}

Brarnmer, Sandra Patussi ^{[3
]}

Minella, Euclydes ^{[3
]}

Iorkzeski, Edson Jair ^{[3
]}

机构：

[1] Univ Fed Rio Grande do Sul, Dept Plantas Lavoura, BR-91540000 Porto Alegre, RS, Brazil

[2] Univ Passo Fundo, Passo Fundo, RS, Brazil

[3] EMBRAPA Trigo Passo Fundo, Passo Fundo, RS, Brazil

来源：

CIENCIA RURAL | 2008年 / 38卷 / 01期

关键词：

haploid; in vitro androgenesis; androgenetic capacity; Hordeum vulgare L;

D O I：

10.1590/S0103-84782008000100039

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The development of in vitro haploid plants followed by spontaneous or induced genome duplication allows to achieve. in one generation, the recovery of total homozygosis. The efficiency of the haplodiploidization process through in vitro anther culture of barley is variable among genotypes. This study was aimed at determining the androgenetic response of nine barley genotypes front the breeding program of Embrapa Trigo, analysing proembryoid development and green plantlets regeneration in anthers cultivated in vitro. Cultivar 'BR2' presented the highest average of proembryoids (104/anther) and 'MN698' presented the highest average of green plantlets (0,41/anther). There was a significant variation among the average values of barley genotypes for embryo formation and green plantlets regeneration, making possible the selection to combine androgenetic capacity and good agronomic traits.

引用

页码：240 / 242

页数：3

共 8 条

[1] DIFFERENCES IN THE ABILITY FOR BARLEY AND RYE GRASS VARIETIES TO ABSORB CESIUM THROUGH THE ROOTS
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