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Pod shattering: A homologous series of variation underlying domestication and an avenue for crop improvement
Ogutcen, Ezgi Pandey, Anamika Khan, Mohd Kamran Marques, Edward Penmetsa, R. Varma Kahraman, Abdullah Von Wettberg, Eric J.B.
Ogutcen, Ezgi
Pandey, Anamika
Khan, Mohd Kamran
Marques, Edward
Penmetsa, R. Varma
Kahraman, Abdullah
Von Wettberg, Eric J.B.
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© 2018 MDPI AG. All rights reserved.
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10.3390/agronomy8080137
Abstract
All rights reserved. In wild habitats, fruit dehiscence is a critical strategy for seed dispersal; however, in cultivated crops it is one of the major sources of yield loss. Therefore, indehiscence of fruits, pods, etc., was likely to be one of the first traits strongly selected in crop domestication. Even with the historical selection against dehiscence in early domesticates, it is a trait still targeted in many breeding programs, particularly in minor or underutilized crops. Here, we review dehiscence in pulse (grain legume) crops, which are of growing importance as a source of protein in human and livestock diets, and which have received less attention than cereal crops and the model plant Arabidopsis thaliana. We specifically focus on the (i) history of indehiscence in domestication across legumes, (ii) structures and the mechanisms involved in shattering, (iii) the molecular pathways underlying this important trait, (iv) an overview of the extent of crop losses due to shattering, and the effects of environmental factors on shattering, and, (v) efforts to reduce shattering in crops. While our focus is mainly pulse crops, we also included comparisons to crucifers and cereals because there is extensive research on shattering in these taxa.
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2018-08-03
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vonw2018b.pdf
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Ogutcen E, Pandey A, Khan MK, Marques E, Penmetsa RV, Kahraman A, Von Wettberg EJ. Pod shattering: a homologous series of variation underlying domestication and an avenue for crop improvement. Agronomy. 2018 Aug;8(8):137.