Oranges are prone to parasites, and early prevention and control can avoid orchard losses
Mentioning parasites in oranges reminds me of the most famous Guangyuan citrus incident in Sichuan back then. At that time, a large-scale epidemic broke out in the citrus in the Guangyuan area of Sichuan, and the epidemic was mainly maggots in the oranges. As a result, more than 10 million kg of citrus were all buried because of infection by the epidemic. This caused major economic losses. Below, Xiaonong will talk with everyone about the problem of insects in oranges.
1. What are the parasites in oranges?
Many people like to eat oranges, but no one wants the oranges they eat to contain insects. However, sometimes it is simply unavoidable to eat insects. Easygoing people may still say it is just supplementing protein, but some people may feel nauseated for a long time.
The parasites in oranges are very hard to notice. The main cause is that the citrus fruit fly lays eggs on the orange when the fruit is still unripe and relatively small, so after the orange grows, the eggs enter the inside of the citrus and hatch, thereby producing maggots.
As far as current research is concerned, no obvious disease in humans caused by this kind of citrus maggot has been found. However, this can only serve as a reference and cannot show that it is completely harmless. So if you accidentally eat it, do not be overly nervous, and once symptoms appear, seek medical attention immediately.
2. How to prevent and control it
The most important thing in dealing with insects in citrus is prevention. Here are several prevention methods for everyone.
Promptly handle diseased branches and fallen fruit. The orchard environment must be kept clean. Diseased branches appearing on fruit trees must be cut off in time, bad fruit removed in time, and fallen fruit cleaned up in time. These diseased branches and fallen fruit should be buried or burned in time to avoid the spread of pathogens and the breeding of bacteria.
For insect control, insecticides can be sprayed on the fruit trees to kill the citrus fruit fly. You can choose 40% dimethoate or 90% trichlorfon to spray the orange trees, spraying once every week, and spraying continuously three to four times can achieve a very good insect-killing effect.
The trap-kill method. Because the fruit fly likes sugar before laying eggs, you can use 1500 grams of brown sugar, 100 jin of water, and 100 grams of 90% crystalline trichlorfon to prepare a 600-fold medicinal solution, start spraying in the morning, with an interval of one week each time, about four times in a row, and it can achieve a very good insect-killing effect.