How to pinch the tips of grapes
The editor answers for everyone how to pinch the tips of grapes and the small gardening knowledge of understanding the method of pinching the tips after grapes bear fruit. Let's learn about it together.
Pinching the tips, also known as topping, is mainly about removing the new shoots and tender tips to promote the growth of grapevines and avoid unnecessary nutrient loss. Let's take a look at the methods and precautions for pinching the tips after fruiting, new shoots pinching, and pinching before flowering.
1. Pinching the tips after fruiting
In order to ensure that the grapevines have a good growth momentum the following year, we need to start pinching after fruiting. Generally, only 3-5 shoots need to be left on each parent branch. Remove all the lateral shoots below the fruiting branch sequence and leave 1-4 leaves on the inflorescence. For the extended lateral shoots, leave 2-5 or 7-10 leaves for pinching. This allows the nutrients of the grapevine to be evenly distributed to each branch and leaf.
2. Pinching the tips of new shoots
Pinching the tips of new grapevines is also quite strict. For grapevines with good growth, pinch off about 35% of the young leaves smaller than normal leaves on the fruiting branches, usually leaving 3-5 leaves, and remove the rest. For grapevines with weaker growth, pinching can be done after the branches improve. For the nutrient branches, leaving 4-7 leaves is enough, and if the grapevine grows vigorously, pinching can be done earlier.
3. Pinching the tips before flowering
Pinching is usually done 5-10 days before flowering. Different varieties will choose different levels of pinching. Most varieties pinch at the position of 4-7 leaves on the inflorescence, which is beneficial for the fruit-setting rate of grapes and meets the leaf area requirements for grape fruit development.
4. Precautions
It is recommended to avoid rainy days when pinching the tips of grapevines. Generally, choose to do it at noon on sunny days because high temperatures cause the water in the pruning wounds to evaporate quickly, which is conducive to the healing of the pinched area and can prevent infection by bacteria.
The above is the complete introduction on how to pinch the tips of grapes and understanding the method of pinching the tips after grapes bear fruit, for everyone to learn and understand!