The "wilt Disease," of "flacherie," of the Gypsy Moth
The "wilt Disease," of "flacherie," of the Gypsy Moth
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In our eReader you can find the full English version of the book. Read The "wilt Disease," of "flacherie," of the Gypsy Moth 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 The "wilt Disease," of "flacherie," of the Gypsy Moth
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Eggs apparently alive, . . 246 =92.48 per cent., or about 92.5 per cent.
Total, .... 266 eggs.
Since this locality, in which the wilt has worked, contained only 246 eggs with apparently living embryos in average per cluster, nearly 2 clusters were necessary to equal a single normal cluster. The num- ber of fresh clusters, which were estimated at about 150, must therefore be reduced to about 90. The number of apparently living eggs of that part of this locality which bears the oaks was therefore... decreased to about 22.5 per cent, after the wilt had worked, while, as already men- tioned, the part with the birches contained probably no living eggs.
Haverhill, Mass.
Division Agent, H. F. Abmstronq; Local SuperintendeTU, G. F. Moorb.
With the assistance of the local superintendent a place was selected for the experiment in East Parish, Haverhill; it is situated west of East Broadway and northeast of Millway Fond, and on the Old Coun- try Road. This locality represents almost 50 acres of isolated forest, in which oaks about thirty years old, mixed with underbrush, prevail.
What to read after The "wilt Disease," of "flacherie," of the Gypsy Moth?
You can find similar books in the "Read Also" column, or choose other free books by Massachusetts. State Forester. [from Old Catalog] to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Eggs apparently alive, . . 246 =92.48 per cent., or about 92.5 per cent.
Total, .... 266 eggs.
Since this locality, in which the wilt has worked, contained only 246 eggs with apparently living embryos in average per cluster, nearly 2 clusters were necessary to equal a single normal cluster. The num- ber of fresh clusters, which were estimated at about 150, must therefore be reduced to about 90. The number of apparently living eggs of that part of this locality which bears the oaks was therefore... decreased to about 22.5 per cent, after the wilt had worked, while, as already men- tioned, the part with the birches contained probably no living eggs.
Haverhill, Mass.
Division Agent, H. F. Abmstronq; Local SuperintendeTU, G. F. Moorb.
With the assistance of the local superintendent a place was selected for the experiment in East Parish, Haverhill; it is situated west of East Broadway and northeast of Millway Fond, and on the Old Coun- try Road. This locality represents almost 50 acres of isolated forest, in which oaks about thirty years old, mixed with underbrush, prevail.
What to read after The "wilt Disease," of "flacherie," of the Gypsy Moth?
You can find similar books in the "Read Also" column, or choose other free books by Massachusetts. State Forester. [from Old Catalog] to read onlineMoreLess
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