Insects Injurious to VegetablesO. Judd Company, 1907 - 262 páginas |
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Página v
... fruits , and this nearly endless variety of pests necessitates information in regard to each . Many are intermittent ... fruit grower , and if he would be entirely successful in avoiding losses from insect ravages he should be provided ...
... fruits , and this nearly endless variety of pests necessitates information in regard to each . Many are intermittent ... fruit grower , and if he would be entirely successful in avoiding losses from insect ravages he should be provided ...
Página xi
... Fruits such as melons are attacked by the melon worm and pickle worm ; tomato , beans and corn by the bollworm , tomato fruit worm or ear worm ( fig . 2 ) INTRODUCTION xi.
... Fruits such as melons are attacked by the melon worm and pickle worm ; tomato , beans and corn by the bollworm , tomato fruit worm or ear worm ( fig . 2 ) INTRODUCTION xi.
Página xii
Frank Hurlbut Chittenden. fruit worm or ear worm ( fig . 2 ) , and the edible roots of such plants as beet and carrot , are subject to injury by the carrot beetle , while potato tubers are damaged by the potato tuber worm . Seed pods and ...
Frank Hurlbut Chittenden. fruit worm or ear worm ( fig . 2 ) , and the edible roots of such plants as beet and carrot , are subject to injury by the carrot beetle , while potato tubers are damaged by the potato tuber worm . Seed pods and ...
Página xiii
... fruit worm and the corn ear worm or bollworm or a related species . The first pest is Diabrotica 12 - punctata ; the second is Fig . 4. Bollworm moth in natural position . About twice natural size . ( Quaintance , U.S. Dept. Agr ...
... fruit worm and the corn ear worm or bollworm or a related species . The first pest is Diabrotica 12 - punctata ; the second is Fig . 4. Bollworm moth in natural position . About twice natural size . ( Quaintance , U.S. Dept. Agr ...
Página xiv
... fruit , so that pickle - growers pick their crops while quite young , and the fruit - growers when older . This means that after the pickle- grower has stopped pickling , numerous vines remain , and the insects scatter from them to ...
... fruit , so that pickle - growers pick their crops while quite young , and the fruit - growers when older . This means that after the pickle- grower has stopped pickling , numerous vines remain , and the insects scatter from them to ...
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Términos y frases comunes
abundant adult affected aphides appearance applied arsenicals attack Author's illustration beans beet bill-bug blister beetles Bordeaux mixture borer cabbage worm carrot caterpillars celery CHITTENDEN-Bul color Colorado potato beetle crop rotation crops cucumber beetle cucurbits cultivated cutworms damage deposited destroy destructive eggs enlarged fall plowing farm farmers feed female fields flea-beetles fore-wings forms frequently fruit garden grasses grasshoppers ground grower grown habits hibernation inch infested insect enemies insecticides insects INSECTS INJURIOUS kerosene kerosene emulsion killed larva larvæ leaf-beetles leaf-miner leafhoppers leaves less looper maggot melon aphis methods natural nearly numbers onion Paris green parsnip pea weevil pests plant-bug poisons potato beetle practical pupa remedies Riley roots season seed shown in figure soap soil sometimes species spray squash stalk stalk-borer striped surface sweet potato thrips tion tobacco tomato tortoise beetle tubers U. S. Dept vegetables webworm weeds white grubs wing expanse wireworms young plants