Investigation and Analysis of Grass Diseases in Rizhao City
There are many kinds of grass diseases in Rizhao City.The purpose of this study is to find out the kinds of grass diseases and pathogens in the city,and to determine the corresponding prevention and control counter-measures.Track investigations and quadrat surveys were conducted during 2022 and 2023 in Rizhao City.As a re-sult,53 grass diseases were discovered,of which 6 diseases reaching level 3,31 diseases reaching level 2,and 16 diseases reaching level 1.These diseases are mostly found on leaves and stems.Six diseases are the most serious ones in Rizhao City,including Rumex patientia powdery mildew caused by Erysiphe polygoni,Lycium chinense powdery mildew caused by Arthrocladiella mougeotii,Humulus scandens anthracnose caused by Colletotrichum aenigma,Digitaria sanguinalis round leaf spot caused by Pyricularia grisea,Ipomoea purpurea white rust disease caused by Albugo ipomoeae-panduratae and round black leaf spot disease caused by Alternaria alternata.The present study confirmed the kinds,distribution and damage levels of grass diseases in Rizhao City,which is the basis for the following disease controlling works.
万方数据
维普
