Articles

EFFECT OF ROOTSTOCKS ON FLORAL AND POLLINATION BIOLOGICAL TYPES OF APPLE CULTIVARS

Article number
636_47
Pages
387 – 394
Language
English
Abstract
The effect of rootstocks was manifested in floral and pollination biological types of apple cultivars.
Total dichogamy and protogyny were common in trees on rootstock M.9 in cultivars ‘Mutsu’ and ‘Jonagold’. Delayed homogamous flowers occurred most frequently in cvs. ‘Gloster’, ‘Jonnee’ and ‘Idared’, and also on the rootstock M.9. In trees on the rootstocks M.4, M.26 and MM.106 three floral biological types: protogyny, delayed homogamy beginning with protogyny, and homogamy could be observed within a tree.
This mixed type was the most advantageous, since some flowers could be pollinated by wind and others by insects within the same tree.
The results suggest a possible role of floral biological types influencing yield.

Publication
Authors
E. Nagy Tóth, ZS. Orosz-Kovács
Keywords
Malus x domestica, nectar, fruit set, homogamy, protogyny, delayed homogamy
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