Cracks in the palisade cuticle of soybean seed coats correlate with their permeability to water

Annals of Botany
Fengshan MaM Gijzen

Abstract

Soybean (Glycine max) is among the many legumes that are well known for 'hardseededness'. This feature can be beneficial for long-term seed survival, but is undesirable for the food processing industry. There is substantial disagreement concerning the mechanisms and related structures that control the permeability properties of soybean seed coats. In this work, the structural component that controls water entry into the seed is identified. Six soybean cultivars were tested for their seed coat permeabilities to water. To identify the structural feature(s) that may contribute to the determination of these permeabilities, fluorescent tracer dyes, and light and electron microscopic techniques were used. The cultivar 'Tachanagaha' has the most permeable seed coat, 'OX 951' the least permeable seed coat, and the permeabilities of the rest ('Harovinton', 'Williams', 'Clark L 67-3469', and 'Harosoy 63') are intermediate. All seeds have surface deposits, depressions, a light line, and a cuticle about 0.2 microm thick overlaying the palisade layer. In permeable cultivars the cuticle tends to break, whereas in impermeable seeds of 'OX 951' it remains intact. In the case of permeable seed coats, the majority of the cracks are from 1 to 5 m...Continue Reading

Citations

Apr 24, 2009·Journal of Experimental Botany·Judith R RathjenDaryl J Mares
Jan 9, 2009·Plant Physiology·Svend DamJens Stougaard
Mar 16, 2006·BMC Plant Biology·Mark GijzenPat Moy
Aug 8, 2014·Frontiers in Plant Science·Petr SmýkalRichard D Thompson
Jun 9, 2016·Proceedings of the National Academy of Sciences of the United States of America·Maofeng ChaiZeng-Yu Wang
Feb 14, 2016·Journal of Plant Physiology·Erika Robles-DíazLaura Yáñez-Espinosa
Nov 26, 2015·Science Advances·Mathieu LeocmachThomas Gibaud
Dec 12, 2018·Annals of Botany·Anna JanskáAleš Soukup
Feb 27, 2010·Planta·Kosala RanathungeMark A Bernards
Jan 10, 2020·American Journal of Botany·Michely de Jesus SouzaLeonardo Monteiro Ribeiro
Jan 31, 2019·International Journal of Molecular Sciences·Katarzyna LechowskaMałgorzata Garnczarska
Dec 4, 2020·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Subhash ChandraAkshay Talukdar

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