ABSTRACT Alternaria isolates were obtained from various pistachio tissues collected in five orchards in California. For all isolates, morphological characteristics of the colony and sporulation apparatus were determined and compared with those of representative isolates of A. alternata, A. tenuissima, A. arborescens, and A. infectoria. A selection of the pistachio isolates and the representativ...

Abstract During the growth season, plants of rapeseed ( Brassica napus L.) and brown mustard juncea are affected by various diseases: Fusarium blight, Verticillium Alternaria others. The cultivation varieties resistant to diseases is a cost-effective environmentally safe way protect from diseases. aim work was evaluate new breeding material spring for resistance blight in form tracheomycotic wi...

Minimum inhibitory concentration of carbendazim among the 12 isolates Alternaria dauci (Kuhn) Groves & Skollo causing leaf blight carrot showed variation. Isolate Ad-11 was most sensitive have MIC 6% and Ad-2 highly resistant 20%. The effect Ammonium nitrate, Calcium Sodium nitrate Zinc were tested growth rate carrot. found to be best source nitrogen for both isolates.

garlic and onion are very important crops which are cultivated especially in autumn season in jiroft region, southeast of iran. one of the limiting factors for development of cultivation of these crops is fungal diseases such as leaf spot and blight. for identifying the causal agents of this disease, numerous onion and garlic fields were surveyed during 2001-2003 and infected samples were colle...

The allocation and recognition of cotton leaf diseases are of the major importance as they have a cogent and momentous impact on quality and production of cotton. This paper presents a modus operandi for automatic classification of cotton leaf diseases through feature extraction of leaf symptoms from digital images. Otsu’s segmentation method is used for extracting color and shape features. Sup...