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inoculated plants host:www.bspp.org.uk

Listing 1 - 10 from 49 for inoculated plants

New Disease Reports - First report of Rhizoctonia solani causing leaf spot of Adhatoda vasica
... of potted plants of A. vasica were spray-inoculated with aqueous suspension of mycelium and sclerotia taken from 7-day-old culture on PDA. Inoculated plants, vis--vis water-sprayed control plants were ... developed symptoms. Although R. solani is known to cause foliar diseases of many plants including medicinal plants (Janardhanan, 2002), this is the first report of R. solani causing leaf spot ...
www.bspp.org.uk

New Disease Reports - First report of Verticillium wilt of melon caused by Verticillium dahliae in Tunisia
... Tunisia: necrosis and dropping of leaves Figure 3: Symptoms on severely infected melon plants: whole plants with desiccated leaves Pure colonies of fungi were consistently and readily isolated from ... and interveinal yellowing and necrosis on melon plants 30 days after inoculation. V. dahliae was successfully re-isolated from the stems of the inoculated plants. Occurrence of Verticillium wilt of ...
www.bspp.org.uk

New Disease Reports - Basal rot of Alstroemeria spp. caused by Fusarium oxysporum in Argentina
... Figure 4: Stems hollow and constricted at the base (arrows) Figure 5: Uninoculated (left) and inoculated plants (right) of alstroemeria in a pathogenicity test Pathogenicity tests were done with two isolates ... on wounded stems inoculated with F. oxysporum after 15-18 days (Fig. 4) and after 20-25 days in stems from soil infested with F. oxysporum. Uninoculated controls and plants inoculated with ...
www.bspp.org.uk

New Disease Reports - First report of stemphylium leaf blight of onion caused by Stemphylium vesicarium in Egypt
... and plants were kept under field conditions until symptoms appeared. Symptoms were similar to those observed in onion plants in commercial fields. The fungus was reisolated from lesions of inoculated plants, but not from tissues of any of the control plants. This experiment was ...
www.bspp.org.uk

New Disease Reports - First report of rhododendron powdery mildew on Rhododendron spp. in the Czech Republic
... onto three, healthy R. mollis plants. Five non-inoculated plants served as controls. Inoculated and non-inoculated plants were maintained in a garden where temperature ranged between 18 and 30C. After 12 days, typical powdery mildew symptoms appeared on the leaves of inoculated plants ...
www.bspp.org.uk

New Disease Reports - First report of Phytophthora citricola on Mangifera indica in Spain
... ). Ten non-inoculated plants were used as controls. No aerial symptoms were observed but 4 months after inoculation, P. citricola was recovered from necrotic roots of inoculated plants confirming its pathogenicity to mango. In addition, detached mango leaves and stems of mango seedlings (cv. Gomera 3) were inoculated with mycelial plugs ...
www.bspp.org.uk

New Disease Reports - First report of powdery mildew (Oidium spp.) on greater celandine (Chelidonium majus) in Hungary
... infect their host plants only. The tests were repeated three times in two greenhouses using healthy potted C. majus and tomato plants kept in isolation after artificial inoculations. Non-inoculated plants served as controls ...
www.bspp.org.uk

New Disease Reports - First report of root rot of stevia caused by Sclerotium rolfsii in India
... areas surveyed. Symptoms first appeared as yellowing and drooping of leaves, with wilting of plants and white cottony mycelial growth at the collar region (Fig. 1). The mycelial growth ... at 70%. The plants were assessed 30 days after planting. Inoculated plants developed typical symptoms on leaves, stem and roots, and S. rolfsii was consistently re-isolated. Uninoculated plants did not show ...
www.bspp.org.uk

New Disease Reports - First report of powdery mildew caused by Podosphaera fusca on Lactuca sativa in Korea
... infected. Figure 1: Powdery mildew of leafy lettuce caused by Podosphaera fusca: infected plants in the field (A) and close-up (B) White superficial colonies developed amphigenously ... plants. Plants were then maintained in a greenhouse (16-24C). After five to seven days, powdery mildew developed on inoculated plants; the morphology matching that of the original pathogen. Noninoculated control plants ...
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New Disease Reports - First report of Fusarium sporotrichioides causing root rot of Erigeron breviscapus in China
... plants (10 ml per plant) in the field. Control plants were treated with water. The inoculated plants and controls were planted in the same field and observed daily for symptom development. All the inoculated plants ...
www.bspp.org.uk