During July 2015, diseased plants of cucumber (Cucumis sativus) were observed in a private garden in the Vilnius Region, Lithuania. Disease symptoms, including leaf yellowing, shortening of internodes, and virescence of flowers, indicated possible infection by a phytoplasma. Samples of leaves were...

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 August 2015, sweet pepper plants with yellowing and thickening that resembled symptoms caused by viruses were observed in Liaocheng, Shandong Province, China. Heavy aphid infestations were also observed on the plants. The causal pathogen was identified as Melon aphid-borne yellows virus (MABYV)...

During a field investigation carried out during the 2014 growing season, leaves of a kiwifruit (Actinidia chinensis) plant showing symptoms of brown ringspots and necrotic spots were collected from Guizhou Province, China. To identify the potential existence of viruses infecting the plant, total...

A total of 5 samples of Wisteria sinensis showing virus-like symptoms including mosaic accompanied by leaf deformation and severe shoestring were collected in 2010 from the Porodin locality (Braničevo District, Serbia). Because a large number of aphids were present on the leaves of naturally...

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...

Since late 2013, severe infestations of grain sorghum (Sorghum bicolor) by Melanaphis sacchari were observed in several southern states (Arkansas, Louisiana, Mississippi, Oklahoma and Texas) and also more recently in southern Florida, USA. In summer 2015, numerous aphids (>100 individuals per...

Wild radish (Raphanus sativus and R. raphanistrum) and garden rocket (Eruca vesicaria) plants displaying interveinal yellowing in the lower leaves were found in Mauá da Serra (Paraná, Brazil). The garden rocket field with symptomatic plants was in close vicinity to tomato with high frequency of...

During the 2012 autumn season, unusual symptoms of leaf yellowing and curling were observed on several plants of Urtica membranacea growing along the rows of a greenhouse tomato cultivation in southern Italy (Torre del Greco, Campania Region). Tomato cv. Jama plants in the greenhouse were affected...

Following the first identification of Tomato yellow leaf curl virus (TYLCV) in Shanghai, China in 2006, it has been reported from many provinces of China as one of the most important tomato pathogens. TYLCV is transmitted by whitefly Bemisia tabaci, while weed plants act as intermediate hosts and...