, the causal agent of Pierce's disease of grapevine, has been found in all major grape-growing regions in California, U.S.A.
View Article and Find Full Text PDFManagement of widespread plant pathogens is challenging as climatic differences among crop-growing regions may alter key aspects of pathogen spread and disease severity. is a xylem-limited bacterial pathogen that is transmitted by xylem sap-feeding insects. Geographic distribution of is limited by winter climate, and vines infected with can recover from infection when held at cold temperatures.
View Article and Find Full Text PDFAnnu Rev Phytopathol
September 2023
Plants accumulate different types of phenolic material in their tissue as a response to biotic as well as abiotic stress. Monomeric polyphenols and smaller oligomers can serve as protection against ultraviolet radiation or prevent oxidative tissue damage, while larger molecules such as tannins can be the plant's reaction to an infection or physical damage. Therefore, characterization, profiling, and quantification of diverse phenolics can provide valuable information about the plant and the stress status at any given time.
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