The Proceedings of the State Horticultural Association of Pennsylvania were issued as one number of the News, from 1924-1959.The first technology is called a aquot;pufferaquot; which is a mechanical unit powered by a battery-operated solenoid that dispenses pheromone aerosol from a can. ... Sprayable pheromones are applied with airblast sprayers, and are compatible with other chemicals in tank mixes. At the farm of Grower 1, four separate blocks of apple were used. ... and bottoms were changed approximately every four weeks, unless accumulation of debris and insects necessitated more frequent replacement.
|Title||:||Pennsylvania Fruit News|