What pesticides are used to control insects in watermelons?

Watermelon is a common fruit, cultivated all over China, and there are many varieties. Every summer, you can see round, green watermelons in the fields. What pesticides do you use to plant watermelons to control insects?

What pesticides are used to control insects in watermelons

Watermelon pests include aphids, thrips, red spiders, Liriomyza huidobrensis, fruit flies, Spodoptera litura and so on. Different pests can be controlled with different pesticides. For example, watermelon aphids can be controlled with acephate, omethoate, imidacloprid and so on. Green insects can be sprayed and killed with hit EC, Aolu No. 1 and other pesticides. Thrips can be sprayed with matrine, thiacloprid and acetamiprid.

How to choose watermelons

1. Shape

The circle at the bottom of the watermelon, the smaller the better, on the contrary, the bigger the circle at the bottom, the thicker the skin, the worse it tastes.

two。 Color

It is best to choose turquoise, so that the flesh will be bright red and taste sweet and delicious. It is recommended not to choose watermelon skin fog white, such watermelons are not yet ripe.

4. Grain pattern

The neat pattern of watermelon shows that the watermelon is well developed and mature, so it is a good melon worth buying. If the lines are irregular, the watermelon may not be sweet enough.

5. Melon head

Is the so-called tit head, if it is a straight line, not, but if it is curved coil, it is very sweet.

6. One look, two touch, three knocks

A look is to see the skin color of watermelons. Ripe melons have deep lines and bright green peels. The second touch is to choose the one that feels smooth and round, and don't choose the one that feels astringent. Three knocks is a knock above. If there is an obvious sense of vibration on the hands, it means that the flesh of the melon is vibrating and the watermelon is ripe.

Watermelon is a summer fruit with sweet flesh, which can cool down and relieve summer heat; seeds contain oil and can be used as recreational food; peel is used medicinally, which has the effect of clearing heat, diuresis and lowering blood pressure.