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K + uptake in the early phases of germination of the photoblastic and thermosensitive seed of Phacelia tanacetifolia
Author(s) -
PARDI D.,
MORGUTTI S.,
COCUCCI S.
Publication year - 1980
Publication title -
physiologia plantarum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.351
H-Index - 146
eISSN - 1399-3054
pISSN - 0031-9317
DOI - 10.1111/j.1399-3054.1980.tb03272.x
Subject(s) - germination , seed dormancy , biology , dormancy , hypocotyl , botany , horticulture , agronomy
Germination of Phacelia tanacetifolia Benth. (cv. Bleu Clair) seeds is accompanied in its early phases by the development of the K + uptake capacity. Dormancy due to light and high temperatures and the negative effect on seed germination of a medium with low water potential inhibit the development of potassium uptake. Fusicoccin, which promotes seed germination under all examined conditions, accelerates also the appearance of the K + uptake capacity. The relationship between the development of K + uptake and seed germination in Phacelia tanacetifolia is discussed.