From 1924 recommendations
(or during dormant season)---Spray with Engine Oil Emulsion for scales, aphids, phyloxera galls, etc. May 20th (about)---Make two or three applications with Lead Arsenate for pecan nut case bearer, leaf feeding caterpillars, etc. Plow and cultivate orchards for weevil, curculio, datanas, sawflies and other soil hibernating insects. Burn shucks, dead twigs and limbs during winter for shuck worm, twig girdler, etc.
