Floral biology of two species of Actinidia (Actinidiaceae). I. The stigma, pollination, and fertilization

The stigmata of both female and hermaphrodite flowers of Actinidia deliciosa and of female flowers of A. chinensis var. chinensis are wet. The secretion is produced in the transmitting cells beneath the papillae, in secretory cells lining the stylar groove and canal, and in the inner walls of the lo...

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Bibliographic Details
Published in:Botanical gazette (Chicago, Ill.) Ill.), 1987-12, Vol.148 (4), p.426-432
Main Authors: Harvey, C.F, Fraser, L.G, Pavis, S.E, Considine, J.A
Format: Article
Language:English
Subjects:
ACTINIDIA
ACTINIDIA CHINENSIS
actinidia chinensis var. chinensis
actinidia deliciosa
ANATOMIA DE LA PLANTA
ANATOMIE VEGETALE
Biological and medical sciences
Canals
FECONDATION
FECUNDACION
FERTILIZATION
Flower stigma
Fundamental and applied biological sciences. Psychology
GINECEO
GYNECEE
GYNOECIUM
Ovules
Papillae
PLANT ANATOMY
Plant physiology and development
POLINIZACION
Pollen tubes
POLLINATION
POLLINISATION
Secretion
Secretory cells
Styles
Vegetative and sexual reproduction, floral biology, fructification
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Summary:The stigmata of both female and hermaphrodite flowers of Actinidia deliciosa and of female flowers of A. chinensis var. chinensis are wet. The secretion is produced in the transmitting cells beneath the papillae, in secretory cells lining the stylar groove and canal, and in the inner walls of the locules. The secretion contains polysaccharides, pectins, and traces of protein. In hermaphrodite flowers of A. deliciosa, the degree of female organ development is less than in female flowers, but pollen tube growth is not impaired on papillate stigmata. Time between pollination and fertilization in A. deliciosa is 68 h, and in A. chinensis, 64 h.
ISSN:0006-8071
1940-1205
DOI:10.1086/337673