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Agricultural Aldrin annual meeting apple scab applied average grade group berries black rot blight bloom Bordeaux brown rot buds bushel cherry Chlordane color commercial crop Department of Horticulture detracting factors Dieldrin disease district downy mildew early effective Elberta Experiment Station fall ferbam Five Kansas Cities foliage fungicide Golden Delicious grape growers grown harvest heavy Horticultural Society Horticulture injury insect insecticides jarring Jonathan Apples Kansas State College Kansas State Horticultural Kansas-grown apples Kentucky lead arsenate leaf spot lime sulfur Manhattan materials mildew mites mulch nitrogen Non-Kansas non-Kansas-grown apples offered for sale parathion peach trees percent period plants plots plum curculio pound produce pruning Red Delicious Red Delicious apples Route samples scab season soil sold sooty blotch Sprayed Orchards spring sting strawberry sulfur summer sweetpotatoes Table tests tomato Topeka treatment Troy varieties Wathena weather Wichita Winesap winter Wormy yield