Insects Injurious to Staple Crops
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In our eReader you can find the full English version of the book. Read Insects Injurious to Staple Crops 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 Insects Injurious to Staple Crops
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The injury to corn is done by the beetles while the corn is still young, feeding upon it in the same manner as do the other species. '' Standing with the head downward and the feet embracing the lower part of the stalk.-' says Dr. Forbes, ''they slowly sink the beak into the plant, using the jaws to make the necessary perfora- tion. Bv movincr forward and backward and twistins: to the right and left, the beetle Avill often hollow out a cavity beneath the surface much larger than the superficial... injury will indicate.'' As the lower part of the stalk becomes hardened, they leave it for the terminal ]iortion, and when 144 INSECTS INJURIOUS TO STAPLE CHOPS.
the ears commence to form often penetrate the husk and gorga out the soft cob. Sometimes the injury thus in- flicted is but slight, merely resulting in a puncturing of the leaves when they unfold, these being in a series across the leaf resulting from a single puncture when the leaf was folded, and looking much like the work of the Corn Eoot- web-worm.
What to read after Insects Injurious to Staple Crops?
You can find similar books in the "Read Also" column, or choose other free books by Sanderson, Dwight, 1878-1944 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The injury to corn is done by the beetles while the corn is still young, feeding upon it in the same manner as do the other species. '' Standing with the head downward and the feet embracing the lower part of the stalk.-' says Dr. Forbes, ''they slowly sink the beak into the plant, using the jaws to make the necessary perfora- tion. Bv movincr forward and backward and twistins: to the right and left, the beetle Avill often hollow out a cavity beneath the surface much larger than the superficial... injury will indicate.'' As the lower part of the stalk becomes hardened, they leave it for the terminal ]iortion, and when 144 INSECTS INJURIOUS TO STAPLE CHOPS.
the ears commence to form often penetrate the husk and gorga out the soft cob. Sometimes the injury thus in- flicted is but slight, merely resulting in a puncturing of the leaves when they unfold, these being in a series across the leaf resulting from a single puncture when the leaf was folded, and looking much like the work of the Corn Eoot- web-worm.
What to read after Insects Injurious to Staple Crops?
You can find similar books in the "Read Also" column, or choose other free books by Sanderson, Dwight, 1878-1944 to read onlineMoreLess
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