Exploring the Phenotypic Stability of Soybean Seed Compositions Using Multi-Trait Stability Index Approach

Abstract

In order to ensure an ongoing and long-term breeding progress of soybean, stable sources of major quality traits across multi-environments need to be identified. Here, a panel of 135 soybean genotypes was tested in three different Chinese environments, including Beijing, Anhui, and Hainan during the 2017 and 2018 growing seasons to identify stable genotypes for cultivation under varying environmental conditions. The weighted average of absolute scores biplot (WAASB) for the best linear unbiased predictions of the genotype-environment interaction and multi-trait stability index (MTSI) were utilized to determine the stability of the soybeans for seven seed composition traits viz; protein content, oil content, and five fatty acids (palmitic, stearic, oleic, linoleic, and linolenic acids). Based on the WAASB index, the following genotypes were identified as stable genotypes for some specific traits; ZDD12828 and ZDD12832 for protein content, WDD01583 and WDD03025 for oil content, ZDD23040 for palmitic acid, WDD00033 for stearic acid, ZDD23822 for oleic acid, ZDD11183 for linoleic acid, and ZDD08489 for linolenic acid. Furthermore, based on MTSI at a selection intensity of 10%, 14 soybean genotypes were selected for their average performance and stability. Overall, the MTSI was shown to be a powerful and simple tool for identifying superior genotypes in terms of both performance and stability, hence, identifying stable soybean genotypes for future breeding programs of quality traits.

Estimating the combining ability and genetic parameters for growth habit, yield, and fiber quality traits in some Egyptian cotton crosses

“…In other words, using cluster analysis in this study confirmed the feasibility of selected varieties to be further manipulated in the cotton breeding program for crossing. Similar results were reported in previous investigation [ 28 , 30 , 31 ].…”

Response of Bread Wheat Cultivars Inoculated with Azotobacter Species under Different Nitrogen Application Rates

“…With respect to improved seed output in plants that had been fed with N-containing biofertilizers, researchers have claimed that when plants take N and other nutrients, they will be in a better position for nutrient uptake, since they will be in a more balanced state [46]. This contribution of biofertilizers ultimately results in a high yield as a direct consequence [47][48][49][50]. Moreover, biofertilizers' bacteria improve the structure and activity of beneficial soil microbes, which in turn provide plants with optimal access to water and nutrients, which in turn increase yields [51].…”

Genetic analysis of yield traits in Egyptian cotton crosses (Gossypium barbdense L.) under normal conditions

“…A strategy like this also aids in the selection of prospective parents and crossing for the development of high-yielding hybrids [23]. Such a method also assists in the selection of promising parents and crosses for developing high-yielding hybrids [24][25][26][27][28][29] and provides information about GCA (additive) of parents and SCA (non-additive) of crosses, and at the same time, it helps identify the best heterotic crosses [30][31][32][33]. The most notable advantage of the line x tester technique over other crossing methods is that it requires fewer experimental materials for the mating procedure.…”