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Search for narrow rings host:plantpathology.tamu.edu
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narrow rings host:plantpathology.tamu.edu
Listing 1 - 2 from 2 for narrow rings
fungicide applications growing season concentric rings humid conditions moldy growth leaf spot fungus severe infection brown spots preventative fungicide program late and early blight emerging seedlings southern blight weather conditions phytophthora parasitica leaf mold older leaves
Vegetable Crops - pt 4
... IRISH POTATO Solanum tuberosum Early Blight (fungus - Alternaria solani): Small, angular, brown spots with concentric rings occur on lower leaves. Several spots may run together and kill the leaf. Control ... campestris): The bacterium attacks the leaves and petioles causing small tan to white spots with narrow, yellowish, watersoaked zones on the leaves. The spots on the leaf petioles are black, ...
plantpathology.tamu.edu
Vegetable Crops - pt 6
... calyx or stem attachment. Lesions attain considerable size, usually involving nearly the entire fruit; concentric rings are also present on the fruit. The fungus is cosmopolitan, affecting a wide range of ... development of numerous small, grayish-brown, dead spots which have a thick, paper appearance. Numerous narrow, dark brown streaks develop on the stem and leaf petiole. Fruits are often rough and ...
plantpathology.tamu.edu