1, the price is higher: compared with other varieties of grapes, the price of black diamonds in Wang Putao is higher, which will limit the purchasing power of some consumers.
2. Short shelf life: The shelf life of black diamonds is relatively short in Wang Putao, so it is best to eat them immediately after harvesting, otherwise the taste and quality will be reduced.
3. Need nutrient-rich soil: Wang Putao needs to grow in nutrient-rich soil. If the soil quality is not good, it will affect the quality and yield of fruit.
4. Not resistant to storage: Compared with other grape varieties, Wang Putao is not suitable for long-term storage, and it is easy to deteriorate and rot.