Forestry
Forestry
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In our eReader you can find the full English version of the book. Read Forestry 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 Forestry
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The resulting larvae feed upon the needles, and may completely defoliate the trees. The chrysalid stage is passed in the leaf litter at the surface of the soil. Remedial measures as recommended in the preceding paragraph.
PINE MOTH, Gastropacha pini. 1 From eggs laid on the bark FIG. 15. PINE LOOPER-MOTH (Fidonia piniario) a. Female moth, b, Male moth. C. Pupa. D. Larva.
and needles of the Scots Pine come caterpillars, which gnaw the needles. They, however, make their appearance fairly late in ...the season (during August), and being at first of small size, they do comparatively little harm at this time, and soon seek winter quarters under the moss, needles, etc. , that obtain in pure forests. Here they remain until March of the following year ; they then ascend to the crowns, and resume their feeding till June, when they pupate. Attack generally takes place when the trees are in the pole forest stage or later.
As remedy, the ringing or girdling of the stems with tar 1 This moth is not a native of Britain.
What to read after Forestry?
You can find similar books in the "Read Also" column, or choose other free books by Adam Friedrich Schwappach to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The resulting larvae feed upon the needles, and may completely defoliate the trees. The chrysalid stage is passed in the leaf litter at the surface of the soil. Remedial measures as recommended in the preceding paragraph.
PINE MOTH, Gastropacha pini. 1 From eggs laid on the bark FIG. 15. PINE LOOPER-MOTH (Fidonia piniario) a. Female moth, b, Male moth. C. Pupa. D. Larva.
and needles of the Scots Pine come caterpillars, which gnaw the needles. They, however, make their appearance fairly late in ...the season (during August), and being at first of small size, they do comparatively little harm at this time, and soon seek winter quarters under the moss, needles, etc. , that obtain in pure forests. Here they remain until March of the following year ; they then ascend to the crowns, and resume their feeding till June, when they pupate. Attack generally takes place when the trees are in the pole forest stage or later.
As remedy, the ringing or girdling of the stems with tar 1 This moth is not a native of Britain.
What to read after Forestry?
You can find similar books in the "Read Also" column, or choose other free books by Adam Friedrich Schwappach to read onlineMoreLess
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