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A novel perspective on seed yield of broad bean (Vicia faba L.): differences resulting from pod characteristics.

ABSTRACT: Broad bean (Vicia faba L.) is an important crop worldwide. An increase in seed yield would increase both the grain reserve and the profit for farmers. Previous studies on increasing broad bean seed yield have focused mainly on increases at the whole population level. Few studies have focused on the differences in plant type within populations. In this study, we classified broad bean plants into four categories based on pod type, and then evaluated the ratio of each category in field-grown broad bean populations. We analysed the seed and pod characteristics of each category, and their contributions to total seed yield. The number of seeds per pod, and the number of pods or seeds per plant differed among the four plant categories, but the seed weight was relatively uniform. There were significant differences in seed yield per plant among the four plant categories. We calculated the effects of increasing the proportion of each plant category by 10% or to 100% on seed yield, and found that seed yield could be improved by increasing the ratio of plants with the highest seed production rate. This study provides a novel perspective on estimating the seed yield of broad bean.

SUBMITTER: Li X

PROVIDER: S-EPMC4215298 | biostudies-literature | 2014 Oct

REPOSITORIES: biostudies-literature

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A novel perspective on seed yield of broad bean (Vicia faba L.): differences resulting from pod characteristics.

Li Xiong X Yang Yongping Y

Scientific reports 20141031

Broad bean (Vicia faba L.) is an important crop worldwide. An increase in seed yield would increase both the grain reserve and the profit for farmers. Previous studies on increasing broad bean seed yield have focused mainly on increases at the whole population level. Few studies have focused on the differences in plant type within populations. In this study, we classified broad bean plants into four categories based on pod type, and then evaluated the ratio of each category in field-grown broad ...[more]

PMID: 25358856

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Project description:In Ethiopia, faba bean (Vicia faba L.) varieties are important and widely used as a source of food and cash source to large number of subsistence farmers. However, their production and productivity is below the world's average partly because of lack of their sustainable performance in the current scenario of climate change. Therefore, the present study was designed to test the effects of seed storage time and to evaluate the performance of 31 faba bean varieties collected from Holeta, Kulumsa and Sinana agricultural research systems, Ethiopia. The study involved germination test and field experiment that was laid out using randomized complete block design (RCBD) and conducted at multiple test locations. Data were collected on qualitative and quantitative traits and analyzed using SAS version 9.0, and MINITAB® Release 19. Accordingly, most of the varieties showed a promising germination rate regardless of their storage duration suggesting their sustainable performance under suitable storage conditions. Most of the qualitative and quantitative traits showed a wide range of variations revealing their stable performance and better chance for further improvement. Analysis of variance also revealed a highly significant (p < 0.001) variation for several of the traits suggesting maintenance of the original diversity that could be important in further selection breeding. Likewise, high genetic advance coupled with high heritability and genotypic coefficient of variation together with wide range of variations in both PCV and GCV observed in several of the quantitative traits suggest their sustainable performance and significance in further effective selection. Moreover, a promising high yielding varieties such as Dida1, Welki, Hachalu, Ashebeka and Obse have been identified for further use. Clustering grouped the varieties into three clusters implying significant amount of genetic variability among them. Overall, the results generated could be used as a baseline information for improving faba bean production and productivity. However, to exploit more and determine the actual performance of the varieties more markers such as molecular markers (DNA based) are recommended.

Dataset Information

A novel perspective on seed yield of broad bean (Vicia faba L.): differences resulting from pod characteristics.

Publications

A novel perspective on seed yield of broad bean (Vicia faba L.): differences resulting from pod characteristics.

Similar Datasets

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