核桃细菌性黑斑病研究进展

progress on walnut Bacterial Black spot

摘要:

核桃具有丰富的营养价值以及保健功能,是重要的经济林树种 。核桃病害有 30多种,核桃细菌性黑斑病是核桃 生产中最主要的病害之一,在我国乃至世界范围内广泛流行 。其病变特征多样,果实受害程度最为严重,严重影响了核桃 的产量和品质 。本文针对其危害症状、病原物、侵染机制、病原菌基因分型及遗传多样性、致病机理、病害防治等方面进行 概括性综述, 旨在为核桃细菌性黑斑病的深入研究以及开发新的绿色生防药剂提供理论参考,并在深入分析国内外研究现 状的基础上,提出对核桃细菌性黑斑病未来的研究方向和应用前景的展望。

Abstract:

walnuts are an important non-timber forest species, rich in nutritive value and health care function . There are more than 30types of walnut disease, and bacterial black spots of walnut are one of the most important diseases in walnut production . It is widespread in my country and even the world. Its pathological characteristics are diverse, and the fruit suf- fers the most serious damage, which seriously affects the yield and quality of walnuts . The authors provides a general re- view of its harmful symptoms, pathogens , infection mechanism, pathogen genotyping and genetic diversity, pathogenic mechanism, disease prevention, etc . , aiming to provide in-depth research and development of new walnut bacterial black spot disease . The green biocontrol agents provided theoretical reference , and on the basis of in-depth analysis of the re- search status at home and abroad,put forward the future research direction and application prospects of walnut bacterial black spot.