Woodhill, A.R. 1928 Spring versus autumn spraying for red scale of citrus.. Agricultural Gazette of New South Wales 39: 561.
Notes: Autumn spraying was reported to be more successful.
Woodhill, A.R. 1928 Spring versus autumn spraying for red scale of citrus.. Agricultural Gazette of New South Wales 39: 561.
Notes: Autumn spraying was reported to be more successful.