منابع مشابه
Association of Spring Pruning Practices with Severity of Powdery Mildew and Downy Mildew on Hop
Gent, D. H., Nelson, M. E., Grove, G. G., Mahaffee, W. F., Turechek, W. W., and Woods, J. L. 2012. Association of spring pruning practices with severity of powdery mildew and downy mildew on hop. Plant Dis. 96:1343-1351. Downy mildew (caused by Pseudoperonospora humuli) and powdery mildew (caused by Podosphaera macularis) are important diseases of hop in the Pacific Northwest United States, and...
متن کاملSpatial analysis and incidence–density relationships for downy mildew on hop
D. H. Gent*, J. L. Farnsworth and D. A. Johnson US Department of Agriculture-Agricultural Research Service, Forage Seed and Cereal Research Unit, and Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331; Department of Crop and Soil Science, Oregon State University, Corvallis, OR 97331; and Department of Plant Pathology, Washington State University, Pullman, WA ...
متن کاملImage Recognition of Grape Downy Mildew and Grape Powdery Mildew Based on Support Vector Machine
In order to realize automatic disease diagnosis and provide related information for disease prediction and control timely and accurately, the identification and diagnosis of grape downy mildew and grape powdery mildew was conducted based on image recognition technologies. The method based on K_means clustering algorithm was used to implement unsupervised segmentation of the disease images. Fift...
متن کاملControl of Brown Stripe Downy Mildew of Maize by Metalaxyl
LAL, S., S. C. SAXENA, and R. N. UPADHYAY. 1980. Control of brown stripe downy mildew of maize by metalaxyl. Plant Disease 64:874-876. Seed treatment with metalaxyl at 4 g/ kg controlled brown stripe downy mildew (Sclerophthora rayssiae var. zeae) of maize up to 30 days after planting. When combined with seed treatment, one foliar application of metalaxyl (225 ppm) on the 30th day after plantin...
متن کاملArtificial Life Modeling of Downy Mildew of the Grapevine
This paper presents an overview of an ongoing dissertation, whose main objective is to study the combined application of artificial life and evolutionary algorithm techniques to the development of simulation models for crop diseases, applied to the concrete case of downy mildew of the grapevine.
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ژورنال
عنوان ژورنال: Japanese Journal of Phytopathology
سال: 1966
ISSN: 1882-0484,0031-9473
DOI: 10.3186/jjphytopath.32.275