Genetic gain in agronomic traits of common bean in the region of Planalto Catarinense

被引：11

作者：

Bertoldo, Juliano Garcia ^{[1
]}

Barili, Leiri Daiane ^{[2
]}

do Vale, Naine Martins ^{[2
]}

Meirelles Coimbra, Jefferson Luis ^{[2
]}

Staehelin, Diego ^{[2
]}

Guidolin, Altamir Frederico ^{[2
]}

机构：

[1] Univ Fed Santa Catarina, CCA, Recursos Genet Vegetais, Florianopolis, SC, Brazil

[2] Univ Estado Santa Catarina UDESC, Dept Agron, BR-88520000 Lages, SC, Brazil

来源：

EUPHYTICA | 2010年 / 171卷 / 03期

关键词：

Expected gain; Heritability; Phaseolus vulgaris L; Selection; SELECTION INDEXES; HERITABILITY;

D O I：

10.1007/s10681-009-0043-0

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The purpose of this study was to predict the genetic progress in the selection for common bean agronomic traits based on the trait expression, using two indices of adaptive selection. The existence of correlation between various traits in common bean breeding is a major restriction, but some tools that allow breeders to predict the expected gains could optimize results. The following traits were evaluated: (1) plant cycle (days), (2) plant height (in cm), (3) stem diameter (cm), (4) insertion of the first pod (cm); (5) number of pods per plant; (6) number of grains per pod; (7) pod length (cm). Results show the possibility of selecting accessions for several agronomically important traits evaluated together. The only genotype selected by both indices was UDESC 03, confirming the possibility of selecting plants with superior agronomic traits among genotypes of common bean landraces.

引用

页码：381 / 388

页数：8

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