Xu, Xi Guo, Lifeng Yang, Chunbo Teng, Haolin Shen, Guijin Wang, Shuo Zhao, Junlei Yang, Xilang Zhang, Li Wang, Xiangjing
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Plant disease
Winter jujube originated from China and had an extremely high nutritional value. In 2021, symptomatic winter jujube fruits were collected from eight locations in Zhanhua District of Binzhou City, Shandong Province. In total, 108 fungal isolates were obtained and grouped into 11 species based on morphological characteristics and multilocus phylogene...
Chakrabarti, Seemanti Loyd, Andrew L Dhillon, Braham
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Plant disease
Ganoderma butt rot of palms is caused by a white rot basidiomycete fungus, Ganoderma zonatum. Typical symptoms include wilting of fronds that starts in the lower canopy and moves to the top. As wilting symptoms are also associated with other diseases and disorders, appearance of basidiomata on the trunks is necessary to confirm this disease. Basidi...
Wang, Fang Zhang, Minghu Hu, Yanling Gan, Meijuan Jiang, Bo Hao, Ming Ning, Shunzong Yuan, Zhongwei Chen, Xuejiao Chen, Xue
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Plant disease
Stripe rust, caused by Puccinia striiformis f. sp. tritici, is one of the most destructive diseases in wheat production. Pyramiding of adult-plant resistance (APR) genes is a promising strategy to increase durability of resistance. The stripe rust resistance (R) genes Yr18, Yr28, and Yr36 encode different protein families which confer partial resis...
Wang, Hanrong Wu, Jun Fang, Li Xie, Yunye Wang, Lianping
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Plant disease
Peach (Prunus persica) is an important economic tree fruit in China, with 15 million tons produced in 2020 (Xu et al. 2022). In September 2021, fruit rot on postharvest P. persica 'Yingqingtao' was observed in an orchard warehouse in Qixing district (120°41'E, 29°15'N), Zhejiang Province. Disease incidence was estimated at 25%, and yield loss was e...
Zhao, Ya Xiao, Min Yan, Caibin Hu, Fu-Chu Zhang, Shiqing Wang, Xianghe Fan, Hong-Yan
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Plant disease
Jackfruit (Artocarpus heterophyllus) is an important tropical commercial fruit crop grown in Hainan province, China. In recent years, severe jackfruit bronzing disease has been found in 11 cities and counties in Hainan. On average, 80% of trees in a jackfruit orchard are affected once bronzing disease is detected. The disease is characterized by ye...
Wechter, Patrick Wang, Hehe Branham, Sandra
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Plant disease
A large grower of Brassica leafy greens and spinach in South Carolina observed a severe outbreak of leaf spot on 150 hectares of spinach (Spinacia oleracea) in Orangeburg County, SC in 2013. The entire field was lost due to the outbreak. Symptoms appeared on 8-week old plants as tan to white necrotic spots with black centers, water-soaking and no d...
Sun, Hai Feng Jiang, Xue Li, Zilong Yan, Yu
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Plant disease
Convallaria majalis is native to temperate zones in the northern hemisphere, Europe, Asia, North America and China, and has excellent ornamental properties and medicinal value. In July 2021, leaf blight was observed on nearly 70~90% of C. majalis plants growing in Heilongjiang University of Chinese Medicine campus (45.72°N, 126.68°E) from Harbin Ci...
Spivey, William Walker Williamson, Zachary L Seiter, Jacob Abrahamian, Peter Wang, Hehe Greene, Jeremy Cieniewicz, Elizabeth
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Plant disease
Cotton leafroll dwarf virus (CLRDV) is emerging across the major cotton-producing states of the southern United States. Because it was detected in nearly all cotton-producing states within a few years of its initial detection in the United States, spread of the virus has apparently occurred rapidly. In this study spanning three growing seasons in S...
Wang, Zhe Hao, Haiting Sha, Shuaishuai Yan, Cheng Cai Peng, Shasha Zhang, Xilong Feng, Hongzu Wang, Lan
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Plant disease
Korla pear (Pyrus sinkiangensis Yü) is an important commercial fruit tree that originated in China (Zhou et al. 2020). In April 2020, a survey was conducted in Aksu region, Xinjiang (40°55'37"N, 80°28'42"E), China. Some Korla pear trees (>15 years old) exhibited symptoms of branch dieback and branch cankers. Cankers observed on the trunk and branch...
Liu, Yangxi Del Rio Mendoza, Luis E Qi, Aiming Lashman, Dilip Bhuyian, Md Ziaur Rahman Wyatt, Nathan Neubauer, Jonathan Bolton, Melvin Khan, Mohamed Fizal
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Plant disease
Cercospora leaf spot (CLS) is a destructive disease limiting sugar beet production and managed using resistant cultivars, crop rotation, and timely applications of effective fungicides. Since 2016, its causal agent, Cercospora beticola, has been reported to be resistant to Quinone outside inhibitors (QoIs) and to have reduced sensitive to Demethyla...