On the oversummer technique of Phalaenopsis
1. Measures: the oversummer of Phalaenopsis is mainly a cooling problem, so the following measures should be taken:
① plus double-layer shading net to reduce the light, can achieve a good cooling effect (2 ℃ ~ 4 ℃).
② ground sprinkling and irrigation. The temperature is very high in summer, but the temperature of the water just pumped out of the well is very low, about 16 ℃. Therefore, the method of sprinkling or irrigation can play an obvious cooling effect.
The cooling rate of ③ foliar spraying is the fastest, but the duration is the shortest.
④ ventilation. A square hole of 40cm × 40cm is drilled on the wall every 5 meters away from the ground height 70cm to increase ventilation and reduce the occurrence of diseases and insect pests, and turn on the fan above 25 ℃ to strengthen air circulation to facilitate plant growth.
2. bad phenomena that are easy to occur in the summer.
The leaves of ① aged and fell off, and the lower leaves of some plants declined during the summer, and gradually yellowed and fell off from the end of summer to autumn.
② diseases and insect pests are serious, especially the hot weather, air relative humidity is too high and no wind, high temperature, easy to lead to soft rot, brown spots, viruses and other diseases.
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Propagation and cultivation of Chrysanthemum morifolium
Spring chrysanthemum, also known as Huang Jingju, is a biennial herbaceous flower of the genus Artemisia of Compositae. It has strong cold tolerance, early flowering, long flowering period, colorful flowers and is very ornamental. Yellow crystal chrysanthemum is suitable for open-field flower beds and flower border planting, with good effect of edge or color block composition; it can also be potted, decorate the courtyard and beautify the living room. it is a rare excellent flower for ornamental and environmental beautification in early spring. Breeding method: spring chrysanthemum is propagated by sowing method, which is usually sown from September to October in autumn, and can also be sowed in spring in the cold areas of the north. Open-field nursery beds and seedling plates are often used to raise seedlings, which are loose, fertile,
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Three new varieties of Phalaenopsis come out in Foshan
Recently, the author learned from Shihua Flower Technology Co., Ltd., Foshan City, Guangdong Province that in order to adapt to the changes in the market, this year, following the launch of the popular Phalaenopsis variety "Neishan Girl" last year, the company once again launched three new varieties of Phalaenopsis, namely, "radiant", "Da Fu Gui" and "Big Dragonfly". "radiant" flower color is strange, thick petals interspersed with radial stripes, red background and white silk, very beautiful; flowers generally have 12 flowers, the long flowering period is not easy to wither, is expected to become a new force of the Lunar New year Flower. "Dafu
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