Prevention and control of passion fruit disease: anthracnose of passion fruit, matters needing attention in planting passion fruit

Do you know how to deal with the diseases and insect pests of passion fruit? Let's take a look.

Suggestion: no pathogens and insects are detected. According to the damage situation, the research and judgment may be related to cultivation and management. Please pay attention to whether the abnormality is found within 3 days after the application of the medicine. if so, it is most likely related to the application of materials before the occurrence.

1. Continuously observe whether the victimization situation will continue to expand and spread?

2. Is it related to pre-occurrence cultivation management? Rationalize fertilization management and increase plant resistance.

3. Please use the registration agent and apply it according to the recommended dilution multiple. Many kinds of chemicals are mixed, which is easy to produce chemical reaction, and it is easy to cause plant damage after spraying.

4. for chemicals that have not been applied, please apply them in a small area before application to make sure that they will not cause crop abnormalities and then expand their application.

Q: the whole passion fruit withered, the leaves yellowed and the roots rotted.

Answer: Fusarium wilt caused by Fusarium oxysporum was identified by tissue isolation.

Control methods: seriously diseased plants are removed to prevent spread, and no control agents are recommended at present.

Question: passion fruit with brown irregular sunken spots.

Answer: it was identified as anthracnose by tissue isolation.

Prevention and treatment methods: cut off the diseased leaves at the initial stage of the disease, burn the withered branches and leaves in the green space in time to prevent expansion; do not plant too densely or indoor flowers should not be placed too densely, do not drench indoor flowers from the top of the plant, and often keep ventilated and bright. Clean the countryside in winter and burn the sick and disabled bodies in time.

Q: the young fruit of passion fruit is cracked and the fruit is uneven in shape.

The leaves of passion fruit have the phenomenon of shrinkage and yellowing, and in severe cases, browning and drying up.

A: it has been identified as a viral disease.

It was identified as a virus disease.

Prevention and treatment: diseased plants are removed to prevent spread, and healthy seedlings without disease are selected before planting next time. At present, there is no control agent.