The Latest Control Methods for Common Pests and Diseases of Zucchini

Farmers often encounter some diseases when growing zucchini, and these diseases bring serious losses to growers. So how should these diseases be controlled? Here I have found several of the more common ones to briefly introduce to everyone.

1. Tobacco whitefly

Tobacco whitefly is a rather nasty pest with strong spreading ability, and its notable feature is a layer of white powdery substance on its body. It mostly occurs on the underside of zucchini branches and leaves, and especially the newly grown tender leaves are even more susceptible to damage. When it develops, dense pale green granular material can be found on the upper surface of the leaves, seriously affecting the growth of zucchini. After it develops, it is best to remove the affected leaves, then spray buprofezin for control, focusing the spray on the underside of the leaves.

2. Stem rot

Stem rot is a disease that occurs in many vegetables, and zucchini is no exception. It can lead to the direct death of the plant. When it develops, the root and stem area slowly rots, which is very easy to spot, and it is mostly caused by wounds appearing on the root and stem that are soaked in water for a long time, so drainage work must be done well. When it develops, it can be treated with chemicals, and root rot spirit can be used for control, especially after picking melons or weeding, to achieve the best effect.

3. Fruit cracking

Fruit cracking is a disease caused by improper planting operations. There are two causes: one is that there are wounds on the young melon that expand when it swells later, and the other is cracking caused by insufficient water or nutrients in the fruit. Control should be targeted accordingly. For the former, field management after fruit set should avoid damaging the young melons, and some sharp objects near the young melons should be removed in time. For the latter, attention should be paid to the frequency of watering, avoiding zucchini being immersed in a relatively moist environment for a long time, and supplementing more boron to strengthen the tolerance of zucchini.

4. Fruit rot

Fruit rot of zucchini is mostly caused by the growing environment stimulating pathogens, leading to the spread of pathogens. When it develops, it is mostly concentrated at the stem and stalk position, and the pathogens enter the fruit from there, finally spreading and causing the melon to become soft and rotten, and finally completely rot. First of all, avoid growing zucchini in a hot and humid environment, which is the environment most likely to induce pathogens. After discovering diseased melons, handle them according to the situation; for severe cases, remove them directly, then pour chemicals such as oxadixyl · mancozeb, applying them by drip irrigation from the roots, and similar chemicals can also be used in the early stage of the disease. Once a week, pour 2-3 times.

The above is the control of common pests and diseases of zucchini. You can refer to it and see the effect. Due to differences in geology, the required dosage will vary, so it is best to ask clearly before purchasing.