Next Article in Journal
The Impact of Organic vs. Conventional Agricultural Practices on Selected Quality Features of Eight Potato Cultivars
Next Article in Special Issue
Strengths and Weaknesses of National Variety Trial Data for Multi-Environment Analysis: A Case Study on Grain Yield and Protein Content
Previous Article in Journal
Iodine Agronomic Biofortification of Cabbage (Brassica oleracea var. capitata) and Cowpea (Vigna unguiculata L.) Is Effective under Farmer Field Conditions
Previous Article in Special Issue
Dissection of Year Related Climatic Variables and Their Effect on Winter Rapeseed (Brassica Napus L.) Development and Yield
Open AccessFeature PaperArticle

Envirotypes Based on Seed Yield Limiting Factors Allow to Tackle G × E Interactions

1
IGEPP, INRA, AGROCAMPUS OUEST, Université de Rennes 1, 35650 Le Rheu, France
2
UMR Agronomie, INRA, AgroParisTech, Université Paris-Saclay, 78850 Thiverval-Grignon, France
*
Author to whom correspondence should be addressed.
Agronomy 2019, 9(12), 798; https://doi.org/10.3390/agronomy9120798
Received: 14 October 2019 / Revised: 5 November 2019 / Accepted: 21 November 2019 / Published: 23 November 2019
One challenge in plant breeding is to ensure optimized production under fluctuating environments while reducing the environmental impacts of agriculture. Thus, new rapeseed varieties should be adapted to a wide range of pedoclimatic conditions and constraints. Addressing this issue requires identifying the critical factors limiting production and the genotype by environment (G × E) interaction. Our goal was to characterize the effects of environment and G × E interaction on the seed yield of rapeseed grown over a large field network. First, we defined a pedoclimatic indicator set with the ability to highlight the potential limiting factors along the crop cycle by analyzing the yield of two genotypes grown under 20 environments. Out of the 84 pedoclimatic indicators, 10 were identified as limiting after a partial least squares regression analysis. The environments were then clustered into five envirotypes, each characterized by few major limiting factors: low winter temperatures and heat stress during seed filling (1); low solar radiation during seed filling (3); vernalization conditions during winter (4) and high temperatures at flowering (5). A larger genetic diversity was evaluated in a subset of 11 environments to analyze the impact of envirotyping on genotype ranking. Their results were discussed in light of field network management and plant breeding purposes. View Full-Text
Keywords: Brassica napus L.; seed yield; genotype × environment interaction; partial least square regression Brassica napus L.; seed yield; genotype × environment interaction; partial least square regression
Show Figures

Figure 1

MDPI and ACS Style

Corlouer, E.; Gauffreteau, A.; Bouchet, A.-S.; Bissuel-Bélaygue, C.; Nesi, N.; Laperche, A. Envirotypes Based on Seed Yield Limiting Factors Allow to Tackle G × E Interactions. Agronomy 2019, 9, 798.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop