OCR Text |
Show Parathion Said Unable To Control Chalcid Many farmers are being told by one another that parathion can be used to irradicate the Chalcid fly from their alfalfa seed fields, according ac-cording to rumors heard by Lee Rogers, assistant county agent. Mr. Rogers states that the condition con-dition under which the life cycle of the fly unfolds completely eliminates elim-inates the possibility of parathion being effective in controlling the pest. Only one generation of the fly is produced each year. The fly, which has wintered in such places as chaff stacks and similar rubbish rub-bish areas along ditches and fields, will emerge after May 1 to lay its eggs in the alfalfa field. The larva hatches inside the seed and feeds on it where parathion cannot reach it. There is some damage caused by the 'fly present in fields this summer. sum-mer. "Sstng parathion to control it is a waste of time and money," Mr. Rogers claims. Proper control methods are to burn or feed up old chaff stacks before May 1 to get rid of the female fly. Ditch banks and areas where they can winter should be cleanly cultivated cultivat-ed before May. |