Diseases caused by spp. can affect a wide range of plants, including vegetables, with yield losses ranging from 10 to 50%. Sclerotinia diseases can be especially problematic in high tunnels where high-value vegetable crops are planted in early spring to extend the growing season, achieve earlier harvest, and bring higher profits.
View Article and Find Full Text PDFHemp, Cannabis sativa, was reintroduced to the US in 2014 after 50 years of prohibition. Since then, growers have focused primarily on cannabinoid production using female plants. Thus, most modern hemp has been asexually propagated in greenhouses and transplanted into fields.
View Article and Find Full Text PDFIn October of 2020, a grower in Boyle County, KY, reported mold and blight symptoms on flowers of field-grown hemp. Plants were approaching harvest, and the mold was affecting 100% of the cultivar 'White CBG' being grown for cannabinoid (CBD) extraction. Mycelium colonized the flower heads and any seeds within bracts.
View Article and Find Full Text PDFHemp reemerged in 2014 after being illegal for over 50 years and restricted for 90 years. Today, hemp is primarily grown for production of cannabidiol (CBD), with limited acreage dedicated to fiber. One of the most frequent and destructive leaf spot diseases of hemp cultivars grown for CBD is Septoria leaf spot.
View Article and Find Full Text PDFBoxwood blight caused by and is destroying cultivated and native boxwood worldwide, with profound negative economic impacts on the horticulture industry. First documented in the United States in 2011, the disease has now occurred in 30 states. Previous research showed that global populations prior to 2014 had a clonal structure, and only the idiomorph was observed.
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