During disease surveys conducted in September 2015 at 3 Zimbabwean farms in 3 districts, weeds in and near onion fields were found to have thrips feeding damage symptoms. Additionally, some weed leaves were chlorotic and deformed. Onion leaves and scapes had irregular, grey-to-bleached white...

In June 2015, bleeding cankers were observed on the main stem of black oaks (Quercus velutina) also damaged by the from gall wasp, Zapatella davisae (Hymenoptera: Cynipidae) in Barnstable County, Massachusetts, USA. The sapwood underneath bleeding cankers was darkly discoloured and contrasted...

In May 2015, a leaf curl disease was observed on tomato and Senna tora plants growing in District Ballia, Eastern Uttar Pradesh, India. The symptoms in S. tora plants consisted of leaf curl disease. The presence of whiteflies (Bemisia tabaci), the vector of begomoviruses, was also observed on the...

During a survey of family-owned farms in 2015 in Tonghai County, Yunnan Province, southwest China, approximately 10% of plants in a farmer's field of Capsicum annuum (spicy pepper) were observed showing dwarfing, leaf chlorotic ringspots and distorted apical buds. The presence of Frankliniella...

Pelargonium (Pelargonium spp.) plants showing leaf mild mottle symptoms were collected in August 2014 from a park at Chaoyang district, Beijing, China. Based on the results of ELISA, PCR assay, nucleotide sequence comparisons, and pathogenicity tests, the causal agent was identified as Pelargonium...

Citrus bacterial canker is one of the most destructive diseases of citrus in southern Iran. During 2000-01 and 2005-06, this disease became endemic showing a reduced severity. This was mainly due to the unfavourable climatic conditions, i.e. low rainfall during the previous years in particular....

Passion fruit (Passiflora edulis × P. edulis f. flavicarpa) 'Tainung No. 1' is the main variety cultivated in Taiwan, which is a hybrid and propagated only by grafting. In the spring of 2011, plants with systemic mottle and malformation on leaves were found in some orchards located in Puli and...

During 2011, characteristic symptoms of leaf curl disease were widespread (>40%) and the whitefly (Bemisia tabaci) vector of the leaf curl complex was abundant in commercial cotton fields in Burewala, Pakistan. Symptoms included vein thickening, upward or downward leaf curling and foliar...

In the course of a study to assess virus incidence on Phaseolus vulgaris exhibiting yellowing and thickening symptoms with 20-30% incidence, 4 symptomatic and 2 healthy samples were collected in August, 2012, from a single mixed cropping field (where P. vulgaris was cultivated together with tomato...

In 2011, an outbreak of a yellowing disease causing chlorosis and Interveinal chlorotic spots on lower leaves was observed in cucumber and melon in 2 greenhouses on the island of Rhodes, Greece. Similar symptoms were observed in 2012 in open field watermelon in Rhodes and in November 2013 in a...