The latest passion fruit wrinkle causes and control methods

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

The reason for the fruit crumpling.

1. Causes of disease

When passion fruit virus disease, blight, anthracnose and other diseases occur, the tree nutrition imbalance will occur and the phenomenon of wrinkled fruit.

2. Causes of pests

When passion fruit is damaged by fruit flies, thrips, bugs, snails, etc., it will cause physiological metabolism imbalance and nutritional imbalance and wrinkle fruit phenomenon.

3. Nutritional imbalance

Excessive nitrogen and phosphorus elements, insufficient supply of boron and magnesium and other trace elements lead to physiological metabolism disorder, nutritional imbalance, unsound flower development or transportation obstruction, unbalanced nutrition supply after fruit insemination, resulting in wrinkled fruit.

4. Climatic factors

After fertilization, the temperature will also be cold and hot physiological metabolism imbalance, resulting in wrinkled fruit.

preventive measures

1, increase the application of organic fertilizer

Passion fruit likes high nitrogen, high potassium, high magnesium environment, according to its growth characteristics, choose elemental organic fertilizer as base fertilizer, choose multi-element compound fertilizer as base fertilizer and topdressing, seedling stage to nitrogen mainly, after the shed a potassium magnesium element-based, not partial application of phosphorus fertilizer, so as to avoid poor fruit growth.

2. Foliar fertilizer

Spray foliar fertilizer once every 20-30 days after seedlings are put on scaffolding in combination with disease control. The foliar fertilizer is mainly boron fertilizer. It is recommended to spray 0.3% borax solution, about 1 jin borax per mu each time, and spray it with water according to the proportion.

3. Do a good job in pest control

Pest control must be paid attention to, especially virus disease and fruit fly control work, virus disease control can be selected in the planting of non-toxic seedlings, in the seedling stage to spray once a week to control aphids and thrips and other vector pests. Fruit flies pay attention to rely on physical control, can be hung yellow board, sweet and sour trap, sex trap and so on.

The above is the introduction of the causes and prevention methods of passion fruit wrinkles. I hope to help you. If you want to know more about related knowledge, please pay attention to us.