포도 꽃떨이(화진) 현상 원인과 대책 개화기 수세관리에 대한 설명

Grape roe is not properly fertilized and is a phenomenon that runs sparingly. These grapes are called cane grapes.
You can prevent flower shedding by taking good care of water, such as soaking during flowering.

Lack of storage nutrients
If the power of Shincho is too strong or weak
Boron deficiency
Weather over bloom
If the daytime distance is too narrow