Causes and control methods of fruit wrinkle of passion fruit

Passion fruit contains more than 100 aromatic substances, can taste the aroma of other fruits, all have the title of king of fruit juice, and in the process of planting passion fruit will often encounter the phenomenon of passion fruit wrinkle. So what is the reason for the wrinkle of passion fruit? How to prevent it? Let's get to know it with the editor.

Causes of fruit wrinkling of passion fruit

1. The cause of disease

When virus disease, blight disease, anthracnose and other diseases occur in passion fruit, the tree nutrition will be out of balance and wrinkle fruit will appear.

2. Causes of insect pests

When fruit flies, thrips, bugs and snails do harm to passion fruit, it will lead to physiological and metabolic disorders and nutritional imbalance, resulting in fruit wrinkling.

3. Nutritional imbalance

Too much nitrogen and phosphorus and insufficient supply of boron and magnesium and other trace elements lead to physiological metabolism disorder, nutritional imbalance, imperfect flower organ development or hindered transportation, and fruit wrinkling caused by unbalanced nutrition supply after fruit insemination.

4. Climatic factors

After the fruit is fertilized, the temperature will be cold and hot and the physiological metabolism will be out of balance, which will lead to wrinkled fruit.

Precautionary measures

1. Increase the application of organic fertilizer

Passion fruit likes the environment of high nitrogen, high potassium and high magnesium. According to its growth characteristics, we can choose elemental organic fertilizer as base fertilizer, multi-element compound fertilizer as base fertilizer and topdressing fertilizer, mainly nitrogen fertilizer at seedling stage and potassium and magnesium after going up the shed. Phosphate fertilizer is not applied to avoid poor fruit growth.

2. Foliar fertilizer

After the seedlings are on the scaffolding, foliar fertilizer is sprayed once in 20-30 days combined with disease control, and the foliar fertilizer is mainly boron fertilizer. It is recommended to spray 0.3% borax solution, about 1 jin of borax per mu each time, and spray it with water in proportion.

3. Do a good job in pest control

Attention must be paid to the prevention and control of diseases and insect pests, especially the control of virus diseases and fruit flies. Non-toxic seedlings can be selected for the prevention and control of virus diseases, and once a week at the seedling stage, aphids, thrips and other vectors should be sprayed to control pests. Fruit flies pay attention to physical control, which can be killed by hanging yellow board, sweet and sour, sex trap and so on.

The above is the introduction of the causes and prevention methods of passion fruit wrinkles. I hope I can help you. If you want to know more about it, please follow us.