How to Identify and Control Marssonina Leaf Spot of Poplars PDF Download
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Author:
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Category : Leaf spots
Languages : en
Pages : 6
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Author:
Publisher:
ISBN:
Category : Leaf spots
Languages : en
Pages : 6
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Author: North Central Forest Experiment Station (Saint Paul, Minn.)
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Category : Leaf spots
Languages : en
Pages : 0
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Author: Roy O. Harniss
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Category : Fungal diseases of plants
Languages : en
Pages : 8
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Book Description
The extent of Marssonina leaf blight (Marssonina populi) on quaking aspen (Populus tremuloides) was observed in northern Utah and adjacent States in 1981 and 1982. Area of the epidemic and symptoms of the disease are described. On 1,000 acres (405 hal) in northern Utah, infection levels were 6 percent slight, 12 percent light, 32 percent moderate, 16 percent moderately heavy, and 34 percent heavy.
Author: North Central Forest Experiment Station (Saint Paul, Minn.)
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Category : Canker (Plant disease)
Languages : en
Pages : 0
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Author: Russell T. Graham
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ISBN:
Category :
Languages : en
Pages : 426
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Author:
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ISBN:
Category : Canker (Plant disease)
Languages : en
Pages : 6
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Author:
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 570
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Book Description
Author: Jerry W. Riffle
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Category : Trees
Languages : en
Pages : 164
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Book Description
Hosts, distribution, symptoms and signs, disease cycle, and control measures are described for 46 hardwood and 15 conifer diseases. Diseases in which abiotic agents are contributory factors also are described. Color and black-and-white illustrations that stress diagnosis and control are provided. A glossary of technical terms and indexes to hosts, pathogens, and insect vectors also are included.
Author:
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Category : Agriculture
Languages : en
Pages : 896
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Book Description
Set includes revised editions of some issues.
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 408
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