New Protection Against Stored Grain Insects
New Protection Against Stored Grain Insects
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In our eReader you can find the full English version of the book. Read New Protection Against Stored Grain Insects Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book New Protection Against Stored Grain Insects
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; that the temperature is maintained for approxi- mately six hours; and that the corn does not contain less than 12 percent or over 20 percent moisture.
Thus present methods of preventing insect damage to seed and feed corn have not been entirely satisfactory. An attempt was there- fore made to find a method for protecting seed corn, and possibly stored feed corn, that would be less expensive than other methods, would give protection over a longer period, and would require the minimum amount of... skill and equipment for applying.
New Methods Given Severe Test The conditions under which the tests herein described were made were as severe as possible.
Ears of corn were treated by being dipped in certain oil emulsions. In one test the ears were dusted with calcium fluosilicate dust. Five to ten ears were treated with each material. These ears were then placed on flat screen-bottomed trays that allowed insects to have access to the corn from all sides. These trays were kept in rooms where hundreds of thousands of Angoumois grain moths were being reared in con- nection with work on one of the egg parasites, the Angoumois grain moth being used to supply the eggs for rearing this parasite which is later liberated in the field where it attacks the eggs of a number of other insects.
What to read after New Protection Against Stored Grain Insects?
You can find similar books in the "Read Also" column, or choose other free books by W P Wesley Pillsbury Flint to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
; that the temperature is maintained for approxi- mately six hours; and that the corn does not contain less than 12 percent or over 20 percent moisture.
Thus present methods of preventing insect damage to seed and feed corn have not been entirely satisfactory. An attempt was there- fore made to find a method for protecting seed corn, and possibly stored feed corn, that would be less expensive than other methods, would give protection over a longer period, and would require the minimum amount of... skill and equipment for applying.
New Methods Given Severe Test The conditions under which the tests herein described were made were as severe as possible.
Ears of corn were treated by being dipped in certain oil emulsions. In one test the ears were dusted with calcium fluosilicate dust. Five to ten ears were treated with each material. These ears were then placed on flat screen-bottomed trays that allowed insects to have access to the corn from all sides. These trays were kept in rooms where hundreds of thousands of Angoumois grain moths were being reared in con- nection with work on one of the egg parasites, the Angoumois grain moth being used to supply the eggs for rearing this parasite which is later liberated in the field where it attacks the eggs of a number of other insects.
What to read after New Protection Against Stored Grain Insects?
You can find similar books in the "Read Also" column, or choose other free books by W P Wesley Pillsbury Flint to read onlineMoreLess
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