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Growers
From Page A6
Dr. Rich Marini did a masterful survey of the rootstock situation - a vast field. Rootstocks are deliberately cultivated these days to produce dwarfing effects in fruit trees, mostly apples. The ones commonly in use in America come from Europe, actually England, and in various ways are not completely adaptable to the American environment.
The watchwords in this particular field of effort are tree size control whose incidental effect is high productivity, fire blight control (fire blight is endemic to dwarfing rootstocks), and individual fruit size.
The most damaging insect pest in the apple business is the Coddling Moth and more recently, the Oriental Fruit Moth. These populations surge three or four times in a growing season and control or lack of control is both vital and expensive. Dr. Doug
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