Maternal Effects on Seed and Seedling Phenotypes in Reciprocal F ₁ Hybrids of the Common Bean (Phaseolus vulgaris L.).

ABSTRACT: Maternal control of seed size in the common bean provides an opportunity to study genotype-independent seed weight effects on early seedling growth and development. We set out to test the hypothesis that the early heterotrophic growth of bean seedlings is determined by both the relative amount of cotyledon storage reserves and the genotype of the seedling, provided the hybrid genotype could be fully expressed in the seedlings. The hypothesis was tested via comparison of seed weight and seedling growth phenotypes of small-seeded (wild, ~0.10 g) and large-seeded (landrace, ~0.55 g) parents and their reciprocal F₁ hybrids. Akaike's Information Criteria were used to estimate growth parameters and identify the phenotypic model that best represented the data. The analysis presented he

SUBMITTER: Singh J 

PROVIDER: S-EPMC5259735 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature