Common insect pests in persimmon trees

Pest is one of the least favorite things for growers, but they have to face it. The pest of persimmon is especially so, and the pest is very easy to occur on the fruit, resulting in a reduction in yield. Scale insects are common diseases in persimmon trees, so what are the symptoms of these pests? What should we do about it? Let's learn about these common insect pests with the editor.

1. Persimmon scale insects

As one of the main pests of persimmon trees, persimmon scale insects are a serious problem for persimmon farmers. The pest easily clings to persimmons, then spreads the whole persimmon and spreads. This pest mostly occurs in summer, and when it is more serious, several kinds of persimmon juice are used as food from September to October. In the early stage, there will be some eggs on the persimmons or branches and leaves, but in the later stage, they are more densely distributed on the persimmons. From a distance, it looks like a layer of white protruding substance and purplish red substances crisscross above the persimmons. The disease site was immediately cut off, and persimmon trees were sprayed with wax scale solution to control.

2. Persimmon stalk worm

Persimmon stalk worm is a disease and insect pest that is not easy to detect because its early larvae enter through the junction of persimmon stalks and finally enter the fruit. The incidence time of the disease is mostly concentrated from August to September, mainly harmful results. When it is found that there is a wax yellow color in the persimmon book, or there is a big gap between the persimmon and other normal growing persimmons, and the fruit will often fall, the persimmon pedicel of the fallen fruit will turn black and there are traces of pests, then it is very likely to be a persimmon stalk worm. This kind of pest mainly needs to be prevented at the initial stage, such as removing the old skin after comparison, which is the place where the insect source is most likely to remain. After the disease can be treated with drugs such as fenitrothion.

3. Persimmon leafhopper

Persimmon leafhopper is a kind of pest which occurs frequently, and the main time of disease is about May to June. It looks like a scaled-down version of the cicada with a yellowish-white appearance. This is a relatively easy to find, but because the persimmon tree is relatively tall, it is necessary to observe carefully. It is generally attached to the backlit part of the leaves of persimmon trees, close to the venation of the leaves. It is not easy to catch because of its strong mobility and flying ability. in general, it is recommended to use agents to remove the disease directly. Cypermethrin is a drug that can be used to deal with it.

The above three kinds of persimmon pests are more common, but they will be different because of the region. The main protective measure for persimmon farmers is to eliminate the pathogen in advance. Post-harvest prevention must be in place every year, and relevant information can be found on our website.