Effect of Cultivation on Florida Red Scale Populations

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Abstract
Cultivated orange trees were more heavily infested with the Florida red scale (Chrysomphalus aonidum) than uncultivated trees. A comparison of the percentages of parasitization and fungus and of the amount of soil deposits on leaves in the cultivated and uncultivated plots indicated each of these factors was affected very little by the treatments, and therefore the large differences in scale infestations were not attributed to them. Tree stimulation, a result of cultivation, was the most important factor in the development of scale infestations.

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