... damage on the sand dune soils of group 6 , the light , sandy soils of group 5 , the fine granular , medium and heavy- textured wheat soils of group 1 , and the heavier phase , sandy row- crop soils of group 4 , all rating above 50 ...
Tree Diseases of Eastern Forests and Farm Woodlands
... conk 3 or 4 inches across may extend only 2 or 3 feet above or below the conk . Conky locust is still often usable for posts and poles , but it is best to discard the decayed parts . Black locust is subject to a virus disease that ...
Diseases of Forest and Shade Trees of the United States
... meliae and C. subsessilis . C. meliae occurs generally through the Gulf States , producing circular to angular leaf spots 0.5-2.5 mm . across , each with a white center , a narrow dark reddish border , with fruiting amphigenous . Fasci ...
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