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About Summer Technology of Phalaenopsis
1. Measures: The intense summer heat poses a major challenge for Phalaenopsis orchids, primarily due to high temperatures. To effectively manage this, the following strategies are recommended:
First, install a double-layer shade net to reduce light intensity, which can lower the temperature by 2°C to 4°C. This is an effective and cost-efficient method for cooling.
Second, water the ground using well water, which is typically around 16°C. Sprinkling or irrigation systems can significantly cool the environment and help maintain optimal growing conditions.
Third, misting the leaves provides the fastest cooling effect, though it's temporary and needs to be repeated regularly.
Fourth, improve ventilation by drilling 40cm x 40cm square holes every 5 meters at a height of 70cm from the wall. Additionally, operate fans when the temperature exceeds 25°C to enhance air circulation, which supports plant health and reduces the risk of pests and diseases.
2. Common Problems in Summer and Their Occurrence in China:
During the hot summer months, several issues commonly affect Phalaenopsis orchids in China. One of the most frequent problems is leaf aging and shedding. As the plants go through the summer, some lower leaves may decay, and by late summer and early fall, these leaves gradually turn yellow and fall off.
Another serious issue is the increased prevalence of diseases and pests, especially under high-temperature and high-humidity conditions. Without proper airflow, soft rot, brown spot disease, and viral infections can quickly spread, causing significant damage to the plants. It's crucial to monitor the environment closely and implement preventive measures to protect the orchids during this vulnerable period.