A Text book of Plant Diseases Caused By Cryptogamic Parasites
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In our eReader you can find the full English version of the book. Read A Text book of Plant Diseases Caused By Cryptogamic Parasites 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 A Text book of Plant Diseases Caused By Cryptogamic Parasites
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To quickly assess the difficulty of the text, read a short excerpt:
Peridermium conorum, 'Thum. =j4ecidiur/i conorum-piceae^ Reess. The aecidia are large, appearing on the outer surface of cone bracts of the spruce, few in number (but not constantly two).
Peridermium elatinum, Wallr. This species grows on silver firs, forming cankered swellings on the trunk and PINE CONE FUNGUS 267 branches. From these swollen spots abnormal branches, ' witches' brooms, ' often spring, and are readily recognised at a distance by growing quite erect, and in the much smaller yell...owish leaves which fall off about the end of August, the ' witches' broom ' being deciduous.
Aecidia are only formed on the ' witches' broom ' leaves, and not on the swollen portions of the branch, as in other species.
The bark is ruptured and thrown off at the cankered swellings, which consequently often serve as a starting- point for wound-parasites, especially Polyporus hartigii and Flammula adiposa.
Hartig and Somerville, Diseases of Trees (Engl. Ed. ), p. 17, figs.
Peridermium cerebrum, Peck.
What to read after A Text book of Plant Diseases Caused By Cryptogamic Parasites?
You can find similar books in the "Read Also" column, or choose other free books by George Massee to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Peridermium conorum, 'Thum. =j4ecidiur/i conorum-piceae^ Reess. The aecidia are large, appearing on the outer surface of cone bracts of the spruce, few in number (but not constantly two).
Peridermium elatinum, Wallr. This species grows on silver firs, forming cankered swellings on the trunk and PINE CONE FUNGUS 267 branches. From these swollen spots abnormal branches, ' witches' brooms, ' often spring, and are readily recognised at a distance by growing quite erect, and in the much smaller yell...owish leaves which fall off about the end of August, the ' witches' broom ' being deciduous.
Aecidia are only formed on the ' witches' broom ' leaves, and not on the swollen portions of the branch, as in other species.
The bark is ruptured and thrown off at the cankered swellings, which consequently often serve as a starting- point for wound-parasites, especially Polyporus hartigii and Flammula adiposa.
Hartig and Somerville, Diseases of Trees (Engl. Ed. ), p. 17, figs.
Peridermium cerebrum, Peck.
What to read after A Text book of Plant Diseases Caused By Cryptogamic Parasites?
You can find similar books in the "Read Also" column, or choose other free books by George Massee to read onlineMoreLess
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