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Pest control in commercial fruit plantings
1944
Powell, Dwight | Chandler, S. C. (Stewart Curtis) | Kelley, Victor W. (Victor Wendell)
A Ganoderma root rot of citrus 全文
1944
Blackford, F.W.
In September, 1942, an unusual root rot of citrus trees was reported from the Gayndah district by Mr. A. W. S. May, Assistant Research Officer. As the root specimens submitted exhibited symptoms not encountered previously in the field or described in literature discussing citrus diseases, an investigation of the cause of the rot was undertaken.
显示更多 [+] 显示较少 [-]The treatment of little-leaf of deciduous fruit trees 全文
1944
Ward, K.M.
Following the identification of little-leaf of deciduous fruit trees in the Stanthorpe district as a disorder due to zinc deficiency, experiments were conducted to ascertain the best methods for the application of zinc as a corrective of the disease. A winter spray consisting of a 5 per cent. or a 2.5 per cent. solution of zinc sulphate in water gave satisfactory response within a few months; little control was obtained with a 1 percent solution.
显示更多 [+] 显示较少 [-]Observations on the life history of the fruit tree red spider and its control
1944
Hey, G. L.
Nematode-resistant rootstocks for deciduous fruit trees
1944
Day, Leonard H. | Tufts, Warren P. (Warren Porter)
The use of sulphur in the control of truck crop and cane fruit insects and diseases
1944
Fenton, Alfred
Laboratory studies on the toxicity of tartar emetic to the Mexican fruitfly 全文
1944
Plummer, C. C.
