Hummer
Hazardous characteristics Thrips is one of the main pests that harms cyclamen. Adults and nymphs often suck petal sap, causing the petal to appear discolored, damaged and damaged. It is then easily infested by pathogens; the top shoots are sucked, making the growth point. Suppressed, there will be flower buds or leaf buds atrophy; damage to young leaves, can cause necrotic silver plaques; thrips is also one of the vectors of viral disease transmission. Because the hummingbird's adults can fly and move quickly, they often hide in dark places or deep in the flower organs during the day, making it more difficult to control and control.
Control methods can be applied in the production of health plus a little white sugar, the United States in addition to avermectin, spinosad and other insecticides, 7 days to 10 days alternating leaf spraying, control.
Bacterial fly
Hazard characteristics When cyclamen are cultivated in the greenhouse, small fly flies around the flowerpot can often be seen. This small fly is called a mosquito, also known as a fly, which is a dipteran pest.
Mosquitoes are 2 mm to 3 mm in length and look like miniature mosquitoes; larvae are about 6 mm long and have a unique bright black head that often feeds on mold.
The main food for mosquito larvae is the phytopathogenic saprophytic fungi. They also eat the roots of flowers and the organic matter on the soil surface or soil inside the flowerpot. Feeding larvae will cause the pathogens to infect through roots, and this infection is one of the main causes of the incidence of black root rot in Cyclamen. Therefore, the prevention and control of mosquitoes and flies can effectively reduce the incidence of cyclamen root disease.
Mosquitoes can be spotted and monitored by using yellow sticker paper.
Control methods The harm caused by adult mosquitoes is not great, but it is very annoying, mainly larvae damage, the prevention methods are the following: First, water can not be excessive, and timely drainage; second, the organic content of the cultivation matrix should not be over High, otherwise the fungus produced is very conducive to the breeding of mosquitoes and flies; the third is chemical control, according to the period and density of adult emergence on the yellow board, every 5 days to 7 days Iguanyinfu 4000 to prevent fly larvae, At the same time, combined with leaf spray avermectin, pyrethroid insecticide, to reduce the number of adults.
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