How to manually pollinate grapes
Today's tip brings you the small experience of manually pollinating grapes and understanding the grape flowering period treatment and the knowledge of flowering and manual pollination methods. Next, the editor of this site will introduce to everyone.
During the flowering period of grapes, it is necessary to prune the excess inflorescences to save nutrients. Usually, 1-2 inflorescences can be left on strong branches, and weak and diseased inflorescences should be disposed of. Using boron fertilizer during the flowering period helps bud differentiation and avoids frequent watering, allowing the soil to dry and wet. Gloves should be worn when manually pollinating to shake the flower buds. Let's delve into the flowering period treatment and manual pollination of grapes in detail.
I. Flowering Period Treatment
1. Pruning Inflorescences
Leave 1-2 inflorescences on strong branches and cut off the rest to save nutrient supply. Inflorescences on diseased and weak branches have no growth value and should be cut off. Proper pruning of leaves can increase the leaf-fruit ratio, and dense parts can be thinned to increase light transmission.
2. Controlling Water and Fertilizer
Lack of boron can affect the development of pollen and the differentiation of flower buds. Usually, boron fertilizer is sprayed when pollen grains gradually appear. It is also possible to spray 1-2 times of 0.3% borax solution or other foliar fertilizers before flowering. Watering should be done according to the dryness or wetness of the soil before flowering, and if the soil is not too dry after flowering, watering is not necessary. Excessive watering can lead to a decrease in soil temperature, hindering the normal absorption of water by the roots and affecting the fruit-setting rate of the plant.
II. Manual Pollination
Most grape varieties can be pollinated by insects or wind, but those with a low fruit-setting rate can undergo manual pollination. Simply shake the female flower buds and the male flower buds to make the pollen particles fall and spread in the air. It is also possible to touch the male buds with gloves first and then the female buds, allowing the female buds to come into contact with the pollen from the male buds, which is a direct contact pollination method.
The above is the specific content of how to manually pollinate grapes and understand the grape flowering period treatment and manual pollination methods. If it can be of help to you, remember to visit the website often!