As long as it is a citrus plant, it will encounter a variety of large and small insect pests. At this time, the first thing we think of is definitely to take medicine! But not all pests can be repelled by spraying? Not! Pests that are easily migratory, such as fruit flies and scarab beetles, which have recently been highly occurring, are better controlled by physical methods!
So today I will introduce some physical control methods of insect pests, green! environmental protection! The effect is good!
1 Lights Booby Trap
Black light booby-trap is to use the light-oriented nature of pests to install frequency vibration insecticidal lamps or solar insecticidal lamps to trap adult insects. Insects with phototropism such as moths and scarab beetles will fly into the lamp because of the characteristics of the light at night after seeing the light, and form a kill through electric shocks.
Insect trap lamp and hunting scarab beetle
In the Pingba area, generally 40 to 50 acres of installation; in hilly mountainous areas, 20 to 30 acres of installation can be installed. This method can be effective in booby-trapping phototropic adults, greatly reducing the occurrence of such insect pests.
2 Booby traps for trematode plates
Yellow plate booby-trap is a more commonly used physical control method, mainly using the fruit fly and other pests to have the characteristics of yellow light. It has a layer of glue on the surface of the yellow plate, and when the pest sees the yellow plate, it will be stuck by the glue, which plays a role in killing the pest. This method is suitable for use in the early stages of adult bloom.
Yellow plate, blue plate insect attractor
This insect trap board is double-sidedly coated, which can increase the contact area and improve the control effect. After unveiling a protective film on the surface on the left and right sides, the ejiao inside is very dry, and this glue is resistant to rain washing, hanging in the field will not be washed away by rain, nor will it affect the effect.
The density of this yellow armyworm board hanging in the orchard is generally 20 to 30 pieces per acre, and it can be replaced in time after it is covered in order to effectively prevent and control it. The yellow board has a very good booby trap effect on aphids, whiteflies, small fruit flies, melon fruit flies, small green leafhoppers, and some small flying insects. The blue plate has a very good booby trap effect on thrips.
The traps are full of large fruit flies
In addition, there are such spherical ones, which have a good booby trap effect on citrus fruit flies. The principle is to take advantage of the green-sensitive properties of the citrus fruit fly.
The appearance of the orange-like green peel fruit attracts the orange fly, and when the fruit fly falls on the ball, it will stick and play a killing role. Generally, 8 to 15 hanging per acre of land, replaced once in 15 to 20 days, and replaced 2 to 3 times continuously, can effectively reduce the harm of large flies.
3 Food booby-traps
Now in the late stage of citrus fruit expansion and discoloration, the damage of orange small fruit fly is very serious. Food agent booby traps have a good control effect on orange small fruit flies. Booby traps are carried out using the feeding nature of fruit flies. This method has a good booby-trapping effect on both male and female insects, after all, whether male or female, they must eat.
Bait booby traps
Recommend bait booby traps to everyone, and it is very simple to use. Select 40 points per acre of land, apply 2 ml of attractant to each point in the middle and lower part of the canopy (1 meter 5 to 2 meters position), and solidify after four hours, after curing the rain is basically unaffected. The duration can be up to 20 days, followed by a second application, or you can make your own bottle of mineral water, make a hole in the bottle, and then apply it to the inside.
Bait homemade booby trap bottle
Another food booby trap is this gorit bait, which has more objects to control than bait. It has a very good booby trap effect on large and small fruit flies, melon flies, and berries. This is mainly the use of fragrance to attract fruit flies to feed, and the fruit flies will be killed by the avermectin component of Goritri.
The method of use is also very simple. 180 grams of dilution of two to three times into the sprayer or small watering can, each acre of land to select 10 to 15 points, each point on the front and back of the leaf spray about half a square meter can effectively trap the fruit fly should be.
How to use Gorit
4 Attractants: Methyl eugenol attractants
It is generally the strong luring effect of methyl eugenol attractants on citrus fruit flies. This method is only recommended for monitoring, not prevention and control. Although its attraction is strong, the insects that are booby-trapped are all males (without needles in the tail), and the females who lay eggs on the fruit are not trapped, and the fruit is still damaged. Therefore, this party is generally only used as a means of monitoring, once it is found that there are male insects that are lured over, the previous methods can be used, such as artificial booby-traps, food and drugs booby-traps.
Lure bottle
From the early stage of adult bloom, 3 to 5 fruit fly traps per acre are hung in the shade of the canopy, and a special attractant (fly trap ether) of 2 ml is added every 30 days or so to trap male adult insects, reduce the amount of eggs laid by female insects, and reduce the harm of the next generation of larvae.
5 Manual hunting
Some insect pests of some dry borers, such as celestial bulls, giddings, weevils, small beetles, and some lepidoptera insects, are harmful to tree trunks and are generally difficult to kill by spraying. You can choose to use manual hunting. Insect pests can also be killed by inserting a wire directly into the trunk of a tree, or by stuffing a cotton ball stained with a poisoned tick or high-potency cypermethrin.
Some pseudo-death pests, such as the adult scarab beetle, after the adult insects get on the tree, lay plastic film or an old umbrella under the tree (it is best to spray the potion first), shake the tree, and the scarab beetle falls on the plastic film and quickly collects and kills. (This is not advisable for orchards with a relatively large area)
The above mentioned physical control methods of so many insect pests, which one have you used? Which one do you think is more effective? Feel free to comment below the article.
Source: Great Harvest Citrus Plant Protection
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