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An investigation of the dipping and fumigation of nusery stock
(University of Missouri--Columbia, 1917)
Text from page 3: While engaged in the work, many problems, confronting the nurserymen, concerning the eradication of San Jose scale from nursery stock, have been brought to his attention. As a result, a number of experiments ...
The control of San Jose scale and the profitable rejuvenation of neglected orchards by spraying
(University of Missouri--Columbia, 1917)
Text from page 1: The San Jose scale is the most serious insect pest of the Missouri orchards. It is capable of killing young fruit trees in two or three years and old trees become unprofitable and succumb to the attack ...