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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 in a few years if unsprayed...
An investigation of the dipping and fumigation of nusery stock
(University of Missouri--Columbia, 1917)
the effect of the different materials commonly used upon infested and noninfested stock, with the object in view of determining which remedy is the most practical, from all standpoints, under Missouri conditions....