Injurious Insects And Useful Birds Successful Control of Farm Pests
Injurious Insects And Useful Birds Successful Control of Farm Pests
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In our eReader you can find the full English version of the book. Read Injurious Insects And Useful Birds Successful Control of Farm Pests 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 Injurious Insects And Useful Birds Successful Control of Farm Pests
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To quickly assess the difficulty of the text, read a short excerpt:
The bisect pests affect- ing these plants are given in this chapter.
INSECTS INJURING STRAWBERRIES Attacking the Roots of Strawberry Plants.
The Strawberry Crown-borer. The adult beetle (Tyloderma fragarice Riley) is wingless, about one-sixth of an inch long. It is brown, marked with several dark brown spots, as well as with lines and dots running lengthwise of the body (Fig. 154). When full grown the grub is white, with a horny, yellow head.
a. I FIG. 154. The strawberry crown-borer. (After Ri...ley. ) Life History. It is first observed in June or July, at which time it deposits an egg on the crown of the plant. The grub, after hatching, burrows down into the crown, feeding upon the tissues. The pupal or resting stage is passed within the crown or root, the adult emerging some time hi late summer.
Control. Infested plants are almost sure to succumb. These should be dug and burned after the fruiting season and before the grub has time to complete its transformation and emerge as an adult.
What to read after Injurious Insects And Useful Birds Successful Control of Farm Pests?
You can find similar books in the "Read Also" column, or choose other free books by F L Frederic Leonard Washburn to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The bisect pests affect- ing these plants are given in this chapter.
INSECTS INJURING STRAWBERRIES Attacking the Roots of Strawberry Plants.
The Strawberry Crown-borer. The adult beetle (Tyloderma fragarice Riley) is wingless, about one-sixth of an inch long. It is brown, marked with several dark brown spots, as well as with lines and dots running lengthwise of the body (Fig. 154). When full grown the grub is white, with a horny, yellow head.
a. I FIG. 154. The strawberry crown-borer. (After Ri...ley. ) Life History. It is first observed in June or July, at which time it deposits an egg on the crown of the plant. The grub, after hatching, burrows down into the crown, feeding upon the tissues. The pupal or resting stage is passed within the crown or root, the adult emerging some time hi late summer.
Control. Infested plants are almost sure to succumb. These should be dug and burned after the fruiting season and before the grub has time to complete its transformation and emerge as an adult.
What to read after Injurious Insects And Useful Birds Successful Control of Farm Pests?
You can find similar books in the "Read Also" column, or choose other free books by F L Frederic Leonard Washburn to read onlineMoreLess
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