Effects of chemical defoliation and bare root storage on carbohydrate levels and spring growth in Euonymus alata

For 2 seasons, levels of starch, sucrose and galactitol were measured in roots of Euonymus alata (Thunb.) Sieb, following fall spray treatments with a mixture of endothall [7-oxabicyclo- (2,2,1) heptane-2, 3-dicarboxylic acid] and ethephon (2-chloroethyl phosphonic acid) and overwintering in the fie...

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Bibliographic Details
Published in:Journal of environmental horticulture 1987-03, Vol.5 (1), p.1-5
Main Authors: Boersig, M.R, Negm, F.B
Format: Article
Language:English
Subjects:
ALCOHOLES
ALCOHOLS
ALCOOL
ALMACENAMIENTO
ALMIDON
AMIDON
ANALISIS
ANALYSE
ANALYSIS
CELASTRACEAE
CRECIMIENTO
CROISSANCE
DEFOLIACION
DEFOLIATION
endothal
ETEFON
ETHEPHON
galactitol
GROWTH
HERBICIDAS
HERBICIDE
HERBICIDES
HIVERNAGE
INVERNACION
NEW YORK
NUEVA YORK
OVERWINTERING
PLANT
PLANTING STOCK
PLANTON DE VIVERO
POLIALCOHOLES
POLYOL
POLYOLS
RACINE
RAICES
ROOTS
STARCH
STOCKAGE
STORAGE
SUCROSA
SUCROSE
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Summary:For 2 seasons, levels of starch, sucrose and galactitol were measured in roots of Euonymus alata (Thunb.) Sieb, following fall spray treatments with a mixture of endothall [7-oxabicyclo- (2,2,1) heptane-2, 3-dicarboxylic acid] and ethephon (2-chloroethyl phosphonic acid) and overwintering in the field or in a common storage facility. The spray-storage treatment decreased starch levels by 80% and 43% during winter months of the first and second years, respectively. Dry weight of new shoot growth was reduced 66% as a result of the spray-storage treatment during the first year, but there was no reduction of dry weight relative to controls during the second year. During both years, galactitol levels in the roots were not affected by either treatment.
ISSN:0738-2898
2573-5586
DOI:10.24266/0738-2898-5.1.1