There are four formae speciales of responsible for causing yellows of Brassicaceae. Because of crossbreeding among crops, the host ranges of these formae speciales often overlap, making pathogen identification a challenging task. Among these formae speciales, .
View Article and Find Full Text PDFThe Japanese spindle ( Thunb.) is commonly used as an ornamental hedge plant in Taiwan. In March 2020, a severe powdery mildew disease was observed on surrounding a city park spanning six hectares in Taichung city, Taiwan.
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