Farmers' Bulletin, Issues 2-4; Issue 1971U.S. Government Printing Office, 1952 - Agriculture |
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5-percent DDT dust adult pea weevil adult weevil aircraft Alaska applied Atropine Austrian winter field border trap strip caster wheels covering a swath damage destroyed dry peas dust mixture duster covering dusting equipment dusting machines edge edible peas eggs ensilage feed FIGURE fumigate green peas green-pea field grower harvested fields hatch heavily infested hood Idaho infested peas insect insect-collecting insecticide jointers kill large numbers lay eggs Methoxychlor miles per hour necessary to dust Nozzle operations Palouse area pea aphid pea hay pea weevil control pea weevil infestation pea weevil populations peafields peas fig Peas grown peas left peas the weevils plants plowing pods pollen ponderosa pine pounds per acre produces an infestation protection pupa reduce shattered peas SOURCES OF PEA storage stored temperatures tractor truck tural usually viability vines warm-blooded weather weevil larvae weevil-infested peas weevil-infested seed weevils are found weevils emerge Willamette Valley winter field peas year's crop