How to control chrysanthemum infected with diseases and insect pests?

Plum, bamboo and orchid chrysanthemum is a flower that has been loved by people since ancient times. Nowadays, many people are planting chrysanthemums. But chrysanthemums are susceptible to diseases and insect pests. This gives a lot of people a headache. Next, let the editor of Tuliu.com show you about the life habits of chrysanthemum and the prevention and control of diseases and insect pests.

First, the survival habits of chrysanthemum

The main results are as follows: 1. The biological learning properties of chrysanthemum are as follows: strong cold tolerance, like fertilizer, like water, but should be well drained and not stagnant. There is plenty of light, but it is not suitable to be exposed to the hot sun around noon.

2, the temperature suitable growth range: the persistent root can bear-30 degrees, when the aboveground part is below-1 degrees, the flowers and leaves will suffer frost damage, and the florescence can be divided into morning, middle and evening.

II. Pest control of chrysanthemum

1. Insect pests

Red spiders and aphids mainly gather in the tender shoots to suck sap, resulting in shoot dysplasia, deformities and so on. Red spider control with 40% omethoate 1000 times, or 80% dichlorvos 1000 times, or 40% triamofol 1000-1500 times. Aphid control: use 10% permethrin 3000 times or 50% aphid pine EC 1000 times + Ledox alginic acid spray, 40% omethoate 1500-3000 times, 25% ammonium parathion 1000 times, 50% aphid pine emulsion 1500 times.

2. Disease

(1) Leaf blight: spraying 1000 times of 70% methyl topiramate or 50% carbendazim wettable powder + Ledox alginic acid at the initial stage of the disease.

(2) Fusarium wilt: at the initial stage, 50% carbendazim 1000 times solution + Leduo alginic acid was used for root control.

(3) downy mildew: seedlings with 25% metalaxyl wettable powder 600-800 times + Ledox alginate acid immersion for 10 minutes to prevent: the initial stage of the disease with 25% metalaxyl wettable powder and 50% carbendazim 800 times solution + Leduo alginic acid mixed use.

(4) Leaf spot disease: diseased leaves should be removed and destroyed in time, and 65% zinc wettable powder 500 times solution, or 75% chlorothalonil wettable powder 500 times solution, or 10% Bordeaux solution every 7 times. Spray once every 10 days. The disease can be controlled for 3 or 4 times in a row. Or spraying 1000 times of 50% topiramate or 50% carbendazim before the onset of the disease has a good control effect.

All right, the above is the pest control of chrysanthemum brought by the editor of Tuliu.com. I hope it can be helpful to all of you. I'll see you next time.