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Full-Text Articles in Agriculture
Plant Disease - Early Blight Or Target Spot Of Potatoes, W P. Cass Smith, M Hardie, B N. Lowe
Plant Disease - Early Blight Or Target Spot Of Potatoes, W P. Cass Smith, M Hardie, B N. Lowe
Journal of the Department of Agriculture, Western Australia, Series 3
Early blight or target spot caused by the fungus Alternaria solani is a widespread disease of potatoes which in Western Australia is most prevalent in crops dug in autumn and early summer. The disease may attack both foliage and tubers, but the tuber rot phase of the disease has hitherto caused most concern to local growers because it causes obvious losses in storage. The less obvious but more serious effects of the foliage blight have generally been overlooked, chiefly because the disease usually develops late in the season when the crops are approaching maturity. However recent spray trials with new …
Black Spot Or Early Blight Of Tomatoes, R F. Doepel
Black Spot Or Early Blight Of Tomatoes, R F. Doepel
Journal of the Department of Agriculture, Western Australia, Series 3
Black spot disease is one of the most important limiting factors to tomato production in the Geraldton district of this State. All above ground parts of tomato plants are affected and, under weather conditions favourable to the disease, serious defoliation and reduction of fruit yields are experienced.