Author:
Publisher:
ISBN:
Category : Leaf spots
Languages : en
Pages : 6
Book Description
How to Identify and Control Marssonina Leaf Spot of Poplars
Author:
Publisher:
ISBN:
Category : Leaf spots
Languages : en
Pages : 6
Book Description
Publisher:
ISBN:
Category : Leaf spots
Languages : en
Pages : 6
Book Description
How to Identify and Control Marssonina Leaf Spot of Poplars
Author: North Central Forest Experiment Station (Saint Paul, Minn.)
Publisher:
ISBN:
Category : Leaf spots
Languages : en
Pages : 0
Book Description
Publisher:
ISBN:
Category : Leaf spots
Languages : en
Pages : 0
Book Description
A Severe Epidemic of Marssonina Leaf Blight on Quaking Aspen in Northern Utah
Author: Roy O. Harniss
Publisher:
ISBN:
Category : Fungal diseases of plants
Languages : en
Pages : 8
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.
Publisher:
ISBN:
Category : Fungal diseases of plants
Languages : en
Pages : 8
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.
How to Identify and Control Septoria Leaf Spot and Canker of Poplar
Author:
Publisher:
ISBN:
Category : Canker (Plant disease)
Languages : en
Pages : 6
Book Description
Publisher:
ISBN:
Category : Canker (Plant disease)
Languages : en
Pages : 6
Book Description
Techniques for implementing the individual tree selection method in the grand fir-cedar-hemlock ecosystems of northern Idaho
Author: Russell T. Graham
Publisher:
ISBN:
Category :
Languages : en
Pages : 426
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 426
Book Description
How to Identify and Control Septoria Leaf Spot and Canker of Poplar
Author: North Central Forest Experiment Station (Saint Paul, Minn.)
Publisher:
ISBN:
Category : Canker (Plant disease)
Languages : en
Pages : 0
Book Description
Publisher:
ISBN:
Category : Canker (Plant disease)
Languages : en
Pages : 0
Book Description
General Technical Report RM.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 570
Book Description
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 570
Book Description
Diseases of Trees in the Great Plains
Author: Jerry W. Riffle
Publisher:
ISBN:
Category : Trees
Languages : en
Pages : 164
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.
Publisher:
ISBN:
Category : Trees
Languages : en
Pages : 164
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.
Agriculture Handbook
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 896
Book Description
Set includes revised editions of some issues.
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 896
Book Description
Set includes revised editions of some issues.
General Technical Report NC.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 408
Book Description
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 408
Book Description