Diseases and Insects of Garden VegetablesU.S. Government Printing Office, 1937 - 58 Seiten |
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anthracnose aphids applied approximately attack bean weevil beetle fig beets black rot bordeaux mixture Bureau cabbage maggot cabbageworm calcium arsenate carbon disulphide caterpillars caused clubroot containing cowpeas cryolite curl cutworms damping-off derris derris powder derris-root powder disease lives diseased plants early eggs feed FIGURE FLEA BEETLES foliage fruit full-grown fumigation fungus fusarium wilt gallons of water grown grubs hornworms hydrated lime hydrocyanic acid hydrocyanic acid gas infested injury insecticides insects larva late blight leaf spot leafhoppers leaves level tablespoonfuls level teaspoonfuls lives over winter mercuric chloride Mexican bean beetle mixed mosaic Moth nicotine sulphate onion ounces paris green peas pests plant lice pods pounds Prevention pupa pyrethrum regarding poisonous residues rotenone rotenone content scab season seed seedbed seedlings slugs small gardens soap soil solution sprayed or dusted squash stems striped cucumber beetles sulphur sweetpotatoes tomato Treatment tubers vegetables vines warning regarding poisonous weather worms yellow young plants
