Farmers who grow passion fruit all know that pruning is indispensable in order to obtain high yields during the growth process of passion fruit.
Pruning has an impact on passion fruit fruiting sooner or later, fruit quality, high and stable yields, and ease of management. The following editor will introduce passion fruit pruning techniques and precautions.
1. Passion fruit pruning technology
1. Pruning at the seedling stage
After the seedlings are planted, when they grow to a height of 30 cm, leave the main vines and cut them off. Side vines.
Cut off the side buds and keep only the young buds at the top of the vine. This can promote the rapid growth of the plant and guide the main vine to climb upward.
When the plant reaches a height of about 2 meters, cut off the young buds at the top of the main vine to encourage the plant to grow new branches and side vines.
When the side vines grow to about 1 meter, cut off the top buds of the side vines to promote the growth of new side branches on both sides.
It is recommended to retain 2-3 lateral buds on each side to promote branch germination.
In this way, the plant will continue to sprout branches and vines in all directions.
When the supply of water and fertilizer is sufficient, the plants will grow vigorously, causing flowers and fruits to appear on each branch, thereby increasing the yield of passion fruit.
2. Pruning during the growth period
Pruning during the growth period mainly removes overly dense overlapping branches, leggy branches, diseased and insect-infected dead branches, thin and weak branches, etc. The overall requirements for pruning are: crown It should be ventilated and light-transmissive, and the upper and lower branches should not overlap; first cut off the lower part and then the upper part, and all dead branches affected by diseases and insect pests should be cut off; strong trees should be sparsely sparse, weak trees more sparsely; pruning lightly on the sunny side and heavy pruning on the shady side.
Thinning and pruning: ensure that each main vine is matched with the fruiting mother branch at a certain distance, and cut off overly dense overlapping branches and thin branches from the base and main vine;
Topping: fruit bearing Pick the fruit repeatedly and in time during the period to ensure sufficient nutrient supply for each fruit and increase the yield of first-grade fruits;
Pruning: Cut off the excess lateral vines on the plant, and then cut off the airtight branches. Cut off branches, dead vines, and weak branches, and then thin out strong branches and vines to avoid nutrient consumption.
3. Post-harvest pruning
After the fruits are mature and harvested, shorten each side vine, leaving only 3-4 on the main vine. , to promote the germination and growth of new vines, and cut off the downward-growing side vines every summer to promote secondary flowering and fruiting.
4. Winter pruning
After the last batch of fruits are harvested in winter, the branches and vines with a length of 50cm will generally be cut off, and the curly branches and vines wrapped around the bracket will also be cut off. Cut off the remaining branches and leaves after harvesting.
The basic requirement is to keep 30cm of the main trunk on the roof, keep 1 to 2 nodes on the mother branch, or keep 1 to 2 bud eyes on each new branch to promote the growth of new branches.
2. Precautions for pruning
1. Passion fruit can increase fruit setting rate and yield by continuously pruning branches and growing new branches.
However, passion fruit pruning should be moderate.
Excessive pruning will cause the plant to shrink and even cause the plant to die, which will in turn reduce the yield of passion fruit.
2. After each pruning, the soil should be loosened, and fertilizer and water management should be increased.
Pour in an appropriate amount of water in time, and add a decomposed compound fertilizer appropriately to promote the differentiation of flower buds and the growth of new branches.
At the same time, pay attention to the circulation of air.
3. After pruning, you should also pay attention to the prevention of pests and diseases. Especially in summer, the common pests and diseases are mainly stem rot, mosaic virus disease, etc.
So it is necessary to clean up the fallen leaves on the potting soil in time and avoid water accumulation.
The above are passion fruit pruning techniques and precautions. Farmers pruning in time will also help improve the spatial structure of the tree, increase fruiting parts, adjust ventilation and light transmission to improve the tree's fruiting ability and improve the tree's fruiting ability. Distribute nutrients to the body, reduce damage from diseases and insect pests, and achieve high and stable yields.