ISHS Acta Horticulturae 165: III International Symposium on Vaccinium Culture
CHARACTERIZING VEGETATIVE GROWTH AND FRUIT DEVELOPMENT IN CRANBERRY (VACCINIUM MACROCARPON AIT.) BY THERMAL SUMMATION |
| Authors: | G. M. Hawker, Elden J. Stang |
| Abstract:
Thermal summation, growing degree-day (GDD) accumulation was measured with a commercial degree-day computer in Wisconsin. Upright cranberry shoot length, berry length, and shoot and berry dry weight accumulations were positively correlated with GDD accumulations. Fruit ethylene evolution and anthocyanin production were not correlated with GDD. Increased ethylene evolution preceded initiation of anthocyanin production. A preliminary schematic characterizing seasonal development of 'Searles' cranberry in relation to GDD was developed. | |
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