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leaf spots host:www.bspp.org.uk

Listing 1 - 10 from 24 for leaf spots

New Disease Reports - Volume 10: August 2004 - January 2005
... R. Jomantiene & R.E. Davis First report of bacterial leaf blight of white flowered calla lily caused by Xanthomonas ... E.M. Soylu, S. Soylu & F.M. Tok First report of leaf spots caused by Phoma sorghina on clover (Trifolium campestre) in Turkey ... O. Constantinescu & B. Henricot Hoja de perejil (parsley leaf) of tomato and Morrenia little leaf, two new diseases associated with a phytoplasma in ...
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New Disease Reports - Volume 9: February 2004 - July 2004
... Abbas & A.S. Abdulla First record of Cercospora richardiaecola causing leaf spots on Zantedeschia aethiopica in Brazil B.S. Vieira & R.W ... in Turkey H. Kavak First report of Hakea sericea leaf infection caused by Pestalotiopsis funerea in Portugal M.F. Sousa, R ... , V.C. Barton & K.J.D. Hughes First report of honeysuckle leaf blight (Insolibasidium deformans) on honeysuckle (Lonicera spp.) in the UK P ...
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New Disease Reports - Volume 7: February 2003 - July 2003
... leaf spot on Swiss chard caused by Cercospora beticola Sacc. in Turkey S. Soylu, E.M. Soylu & S. Kurt Botryosphaeria dothidea causing stem spots on Hylocereus undatus in Mexico causing stem spots ... P. L. Ramos, R. Peral, A. Fuentes, M. Pujol & G. González Corynespora cassiicola causing leaf spots on Coleus barbatus R.C. Fernandes & R.W. Barreto First report of Ramorum dieback (Phytophthora ...
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New Disease Reports - First report of Alternaria alternata causing leaf spot on Stevia rebaudiana
... infections were observed in the region of South Bengal. Symptoms initially appeared as small circular spots, light brown in colour. Later, many became irregular and dark brown to grey, while others ... or zones. On severely infected leaves several spots coalesced to form large necrotic areas. On older leaves concentric spots were more common at the tips. Leaf spots varied from 2-18 mm (Fig. 1 ...
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New Disease Reports - First report of Bipolaris leaf blight of coconut (Cocos nucifera) caused by Bipolaris incurvata in mainland India
... expanded and became circular or oval shaped, brown spots with a dark brown border, often surrounded by yellow halo. As the disease developed, these leaf spots coalesced (Fig. 2). In due course, the ... Rao SC, 1988. Leaf Spot disease of coconut incited by Bipolaris incurvata (Bernad) Alcorn. Current Science 57, 674-675. Uchida JY, Aragaki M, 1991. Bipolaris and Exserohilum leaf spots. In: Chase AR, ...
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New Disease Reports - Cashew leaf and nut blight – A new disease of cashew in Tanzania caused by Cryptosporiopsis spp.
... fungus were observed within the nut lesions. Leaf spots on cashew caused by Cryptosporiopsis sp. Close up of leaf lesions caused by Cryptosporiopsis sp. Leaf blighting under severe infection. At the ARI ... and undescribed Cryptosporiopsis species (Sutton, 1980) was consistently isolated from the nut and leaf lesions. One isolate has been deposited to the CABI Bioscience Culture Collection (IMI 391611 ...
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New Disease Reports - First report of a leaf blight disease of Chlorophytum borivilianum caused by Colletotrichum capsici in northern India
... India Reports Search NDR About NDR Editors Author Info Submission Links First report of a leaf blight disease of Chlorophytum borivilianum caused by Colletotrichum capsici in northern India Abdul Sattar, ... Chandra & Tandon, 1965). This species has slightly longer and broader conidia and infections resulted in leaf spots, which at maturity had three distinct zones of colour; a feature not seen with ...
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New Disease Reports - First report of Rhizoctonia solani causing leaf spot of Adhatoda vasica
... spots. Within 8-10 days the spots grow and acquire a round to irregular shape. Some spots coalesce. Fully developed spots were water soaked, dark brown to blackish, scattered all over the leaf lamina. Margins of the spots ...
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New Disease Reports - First report of stemphylium leaf blight of onion caused by Stemphylium vesicarium in Egypt
... symptoms on leaves consisted of tip necrosis followed by small white and/or large purple spots (Fig. 1). A fungus was consistently isolated from diseased tissue and identified as Stemphylium ... Simmons (1969) identified the telemorph of S. vesicarium as Pleospora allii (Rabenh). Figure 1: Stemphylium leaf blight symptoms on onion Figure 2: Asci and ascospores of the telemorph Pleospora allii. ...
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New Disease Reports - First report of brown leaf spot caused by Bipolaris australiensis on Cynodon spp. in China
... of up to 25% of affected patches, was characterised by irregularly shaped, brown, water-soaked spots on leaves and sheaths. Severely infected leaves became straw-coloured. A fungus was isolated on ... Ltd. Xiang MM, Zhong XP, 1999. The pathogen, identification and chemical control in vitro of leaf blight disease on Cynodon hybrid in the Huizhou Golf Course, Guandong Province. Pratacultural Science 16 ...
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