The Dormancy Status of Apple Buds as Determined by an In Vitro Culture System1

Autor:	Bozena Borkowska, L. E. Powell
Rok vydání:	1979
Předmět:	Genetics Horticulture
Zdroj:	Journal of the American Society for Horticultural Science. 104:796-799
ISSN:	2327-9788 0003-1062
DOI:	10.21273/jashs.104.6.796
Popis:	Single axillary bud explants of apple (Malus domestica Borkh.) were removed from ‘Antonovka’ seedlings or from ‘Delicious’ trees budded on seedling rootstocks, and cultured aseptically under controlled conditions. Many excised buds grew, even though similar buds on intact resting trees did not. Chilling excised buds of ‘Antonovka’ seedlings for 2 weeks in vitro did not increase the number of bursting buds, but promoted shoot elongation on some dates. Chilling ‘Delicious’ trees for 6 and 8 weeks before excising buds promoted both bud burst and shoot elongation. A substantial number of buds excised from ‘Delicious’ trees chilled for as long as 21 weeks did not burst, suggesting other limiting factors.
Databáze:	OpenAIRE
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