GRAIN YIELD STABILITY ANALYSIS USING PARAMETRIC AND NONPARAMETRIC STATISTICS OF BULGARIAN AND HUNGARIAN COMMON WINTER WHEAT GENOTYPES

被引：0

作者：

Dragov, Rangel ^{[1
]}

Dimirtov, Evgeniy ^{[2
]}

Angelova, Teodora ^{[2
]}

Uhr, Zlatina ^{[2
]}

机构：

[1] Agricultural Acad, Field Crops Inst, 2 G Dimitrov St, Chirpan, Bulgaria

[2] Agricultural Acad, Inst Plant Genet Resources, 2 Druzhba St, Sadovo, Bulgaria

来源：

SCIENTIFIC PAPERS-SERIES A-AGRONOMY | 2024年 / 67卷 / 02期

关键词：

common winter wheat; grain yield; variances of stability; equivalency; phenotypic stability; CLIMATE; VARIETIES;

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The research was conducted in the period 2020-2023 on the experimental field at the IPGR "K. Malkov", town of Sadovo. 5 Hungarian varieties, 16 advanced lines and 4 Bulgarian varieties of common winter wheat were evaluated for grain yield and stability. The stability of the grain yield was determined by the variances of stability (sigma i(2) and Si-2), equivalency (Wi), the criterion of phenotypic stability (Ysi), regression coefficient b. and general adaptability. The highest average yield for the study period was obtained from MV-Nemere 864.4 kg/da, followed by RU179/1400 and MV-Nador -766.6 and 766.5 kg/da. The yield formed by the Hungarian varieties is relatively high and they are of interest for selection improvement work. In terms of grain yield, the lines RU 129/3053 and RU 177/486 have a complex stability assessment. The variety Sadovo1 is defined as very stable in different environments and valuable for selection programs.

引用

页码：204 / 208

页数：5

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