OperaV1, Main, Exploration, bibRecord, 000F21

Genetic Analysis of Oil Yield, Seed Yield, and Yield Components in Rapeseed Using Additive Main Effects and Multiplicative Interaction Biplots

Identifieur interne : 000F21 ( Main/Exploration ); précédent : 000F20; suivant : 000F22

Genetic Analysis of Oil Yield, Seed Yield, and Yield Components in Rapeseed Using Additive Main Effects and Multiplicative Interaction Biplots

Auteurs : N. Sabaghnia [Iran] ; H. Dehghani [Iran] ; B. Alizadeh [Iran] ; M. Mohghaddam [Iran]

Source :

Agronomy journal : (Print) [ 0002-1962 ] ; 2010.

RBID : Pascal:10-0455791

Descripteurs français

Pascal (Inist)
- Déterminisme génétique, Graine oléagineuse, Rendement semence, Composante rendement, Graine colza, Utilisation, Agronomie, Génétique quantitative, Mathématiques appliquées, Brassica napus var. oleifera, Plante en C3, Méthode AMMI.
Wicri :
- topic : Agronomie.

English descriptors

KwdEn :
- AMMI method, Agronomy, Applied mathematics, Brassica napus var. oleifera, Genetic determinism, Oilseed, Quantitative genetics, Rapeseed, Seed yield, Use, Yield component.

Abstract

Rapeseed (Brassica napus L.) is regarded as one of the most important oilseed crops worldwide. An experiment was conducted to quantitatively examine the genetic parameters of oil yield, seed yield, and yield components for rapeseed by using a half diallel of nine rapeseed cultivars. The 36 F1 hybrids, their parents, and four other commercial varieties were planted in breeding nurseries in 2008 and 2009. During the growing season, the number of pods per plant (NPP), number of seeds per pod (NSP), pod length (PL), 1000 seed weight (SW), harvest index (HI), seed yield (SY), oil percent (OP), and oil yield (OY) were measured. The data were analyzed with the additive main effects and multiplicative interaction (AMMI) model and its biplots. The first two principal components (IPC1 and IPC2) were used to create a two-dimensional biplot. IPC1 accounted for 28.7% (SW in 2008) to 48.9% (OP in 2009) of the sum of squares of the male by female (M x F) interaction, while IPC2 accounted for 18.3% (PL in 2009) to 31.6% (number of seeds per pod in 2008) of the sum of squares of the M x F interaction. Two heterotic groups were identified for OY, and six between-group crosses, that is, [Talaye, Modena, Opera] x [Fornax, Orient], would provide maximum heterosis for this trait. The AMMI analysis with the half diallel method identified not only the general combining ability (GCA) and specific combining ability (SCA) effects but also the F1 crosses whose offspring may display heterosis in their offspring. The results can be used to design efficient breeding strategies in rapeseed.

Affiliations:

Iran

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Rapeseed (Brassica napus L.) is regarded as one of the most important oilseed crops worldwide. An experiment was conducted to quantitatively examine the genetic parameters of oil yield, seed yield, and yield components for rapeseed by using a half diallel of nine rapeseed cultivars. The 36 F1 hybrids, their parents, and four other commercial varieties were planted in breeding nurseries in 2008 and 2009. During the growing season, the number of pods per plant (NPP), number of seeds per pod (NSP), pod length (PL), 1000 seed weight (SW), harvest index (HI), seed yield (SY), oil percent (OP), and oil yield (OY) were measured. The data were analyzed with the additive main effects and multiplicative interaction (AMMI) model and its biplots. The first two principal components (IPC1 and IPC2) were used to create a two-dimensional biplot. IPC1 accounted for 28.7% (SW in 2008) to 48.9% (OP in 2009) of the sum of squares of the male by female (M x F) interaction, while IPC2 accounted for 18.3% (PL in 2009) to 31.6% (number of seeds per pod in 2008) of the sum of squares of the M x F interaction. Two heterotic groups were identified for OY, and six between-group crosses, that is, [Talaye, Modena, Opera] x [Fornax, Orient], would provide maximum heterosis for this trait. The AMMI analysis with the half diallel method identified not only the general combining ability (GCA) and specific combining ability (SCA) effects but also the F1 crosses whose offspring may display heterosis in their offspring. The results can be used to design efficient breeding strategies in rapeseed.</div>
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Genetic Analysis of Oil Yield, Seed Yield, and Yield Components in Rapeseed Using Additive Main Effects and Multiplicative Interaction Biplots

Genetic Analysis of Oil Yield, Seed Yield, and Yield Components in Rapeseed Using Additive Main Effects and Multiplicative Interaction Biplots

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri