Common pests and their control methods
The fengshui at the head of Hong Yun has a beautiful meaning and is deeply loved by many people. It is often brought home for breeding and decoration, hoping that it can bring good luck. However, not only people like it, bugs also like it, often mosaic quilt insects must be in a mess, but do not know what to do, the following editor brings you good luck at the head of common insect pests and control methods.
Caterpillar
Caterpillars are mainly moth larvae, which mainly nibble on leaves and petals, and gnaw off the leaves and petals, which do great harm.
Control methods: spraying organophosphorus or pyrethroid insecticides can remove caterpillars.
Snail
Snails are more common in our lives, there are mainly two types, one kind of snail shell is flat spherical and large, one kind of spiral shell is oblate and small, the latter is generally harmful to Hong Yun, it will eat flowers. Snails are rare in family farming, and the harm is less.
Prevention and control methods: the snail control method is relatively simple and can be caught manually, but in cloudy and rainy weather, the snail will be active at night, and manual capture appears to be troublesome. After all, we still have to rest at night. At this time, as long as we sprinkle some raw lime powder around the flowerpot, the snail won't come near.
Crustaceans
Shellfish is one of the most common insects harmful to Hong Yun. It is small in size and mainly absorbs leaf juice, which makes the leaves produce green spots, which will cause poor plant growth, and there is its mucus in the feeding place, which is very easy to cause plant fungal infection and great harm.
Control methods: when the number of crustaceans is small, the damaged leaves can be scraped or directly cut off, and when the number is large, omethoate, acephate and other agents can be sprayed to remove the damage.
Red spider
Red spider is small, difficult to find, its reproduction speed is very fast, mainly sucking juice for a living, plant leaves will produce brown spots, and the whole plant is covered with cobwebs, spider silk and so on, this kind of pest is more common.
Prevention and control methods: buy common acaricides on the market and spray them.
Spodoptera litura
Bag moths eat the leaves, often gnawing the mesophyll of the leaves clean, leaving only a layer of dry epidermis, the epidermis dry or falling off will form holes in the leaves, and when serious, the leaves will break apart.
Prevention and control methods: use common pesticides, such as dichlorvos, trichlorfon, etc., pay attention to safety when using.
Spodoptera litura
Spodoptera litura is mainly active at night, so it is also called twill burglar, which mainly harms lucky flowers and gnaws on petals and stamens.
Control methods: spraying organophosphorus or pyrethroid insecticides can remove caterpillars.
The above are the pests that are often encountered in the face of good luck in aquaculture. The editor also gives the prevention and control methods. Have you learned it? the editor reminds you that the insecticides purchased when removing pests should be placed in a hidden place in a high place, so that the children in the family will not eat by mistake.
Related
- Fuxing push coffee new agricultural production and marketing class: lack of small-scale processing plants
- Jujube rice field leisure farm deep ploughing Yilan for five years to create a space for organic food and play
- Nongyu Farm-A trial of organic papaya for brave women with advanced technology
- Four points for attention in the prevention and control of diseases and insect pests of edible fungi
- How to add nutrient solution to Edible Fungi
- Is there any good way to control edible fungus mites?
- Open Inoculation Technology of Edible Fungi
- Is there any clever way to use fertilizer for edible fungus in winter?
- What agents are used to kill the pathogens of edible fungi in the mushroom shed?
- Rapid drying of Edible Fungi