Thompson, W.L. 1935 Lime-sulfur sprays for the combined control of purple scale and rust mites.. Bulletin of the California Agricultural Experiment Station 282: 1-38.
Notes: Melanose, purple, and red scales mentioned as pests of citrus.
Thompson, W.L. 1935 Lime-sulfur sprays for the combined control of purple scale and rust mites.. Bulletin of the California Agricultural Experiment Station 282: 1-38.
Notes: Melanose, purple, and red scales mentioned as pests of citrus.