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Stimulation to deciduous fruit trees has been noted from a number of different sprays, but the greatest amount has occurred after using the heavy types of Miscible oils. Stimulation is due partly to the heavy oil base and partly to the emulsifiers in them. The condition of the tree and soil and time of spraying are factors in the amount of stimulation to be obtained from the oil spray. The spray must be applied between December 15th and February 1st to be certain of it. Although there may be some disadvantages, the advantages are many such as: 1. The early bloom makes the fruit set early, thereby corning ahead of the emergence of the Thrips, insuring more and cleaner fruit. 2. Causes early formation of large green leaves, covering small fruit, protecting it from sunburn and frost. 3. The fruit gains much of its growth before natural moisture evaporates. 4. Causes tree to function properly, producing larger crops and larger fruit, and 5. Fruit will be harvested earlier, insuring better prices.
Document Type: Research Article
Publication date: October 1, 1924
More about this publication?
Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.