Investigation And Control Of Diseases And Insect Pests Of Turfgrass In Hunan Longhu Golf Course

In this paper,a field survey was conducted on turf diseases,pests and weeds in Hunan Longhu golf course.The growth rules and control measures of main diseases and insect pests were studied.The following results were obtained:The main diseases of Hunan Longhu golf course is 9,the most serious harm is Pythium spp.Rhizoctonaa sp.Sclerotanaa homoeocarpa and Magnaporthe poae.;the most harmful pests are Gryllotalpa breviabdominis?A.corpulenta Nots?Agrotis ypsilon(Rott.)?Loxostege sticticalis Linne and Mythimna separata;main weed species for pitch 14,Gramineae weeds 4 species,accounting for 28.57%of the total survey;there are 2 main types of Cyperaceae weeds,accounting for 14.29%of the total survey;broadleaf weeds 8 species,accounted for 57.14%of the total survey.The test results show that the disease prevention and control,65%mancozeb 600 times liquid and 50%Difenoconazole 1500 times liquid on the spot,dollar spot disease and leaf spot disease prevention effect is good;80%grams of wet powder spray 1000 times of Pythium disease prevention effect is good.Experimental results show that the prevention and control of pests of grubs,tigers Baiweiao Alec,loxostegesticticalis,cricket,armyworm have higher control effect;better Goroka insects net grabs,armyworm control effect,the control efficiency reached 90%;the Jedi no insects poor control effect of the five kinds of pest mites;without a trace of l.sticticalis,the tiger protection efficiency of 90%,better control effect,on the other two kinds of pest control effect is poor;weed control test results show that the width of the net Ping Cyperus in no effect,the control effect of Shakespeare out best;Ping on the water in broad net centipede is invalid,the best result in preventing aconite become extinct;Ping wide net the crabgrass control effect of the lowest,Chui Ping in the herbicide,the best control effect.