Imbibition damage in faba bean lines near-isogenic for flower color [Vicia faba]
1994
Kantar, F. (University of Ataturk, Erzurum (Turkey). Faculty of Agriculture) | Hebblethwaite, P.D. (University of Nottingham (United Kingdom). Dep. of Agriculture and Horticulture) | Pilbeam, C.J. (ICARDA, Aleppo (Syria))
Twelve seed lots of faba bean (Vicia faba L.) lines near-isogenic for flower color and the presence of testa tannins were tested for the rate of water absorption seeds and subsequent imbibition damage. Leachate conductivity of steep water, laboratory germination, seed coat cracking and hard seeds were also investigated. White-flowered lines had more rapid uptake of water and greater incidence of imbibition damage on cotyledons than lines with colored flowers. Electrical conductivity and seed coat cracking were also higher in white than in colored lines. Higher rates of water uptake were associated with harder seeds, increased seed coat cracking and thicker testae which lead to poor vital staining on cotyledons and higher seed leachate
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