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The plane tree fluff problem is expected to be solved: Huazhong Agricultural University has cultivated hairless plane trees
It was learned from Huazhong Agricultural University that the university has cultivated hairless plane trees, which is expected to solve the problem of plane tree fluff pollution. The scientific name of the French plane tree is "Platanus", and it has advantages such as fast growth and a large, dense canopy, and is known as one of the "world's five major street trees." But from April to June each year, the seed balls of Platanus scatter and the pappus flies about, not only polluting the environment but also affecting people's health. For this flying fluff pollution, chemical pruning is mostly used in China, that is, spraying chemical agents to promote early shedding of the seed balls. But this method is labor-intensive and time-consuming, and is not easy to promote on a large scale.
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Control methods and technical key points for Lily symptomless virus
Lilies originate in China. They are distributed across the southeast and southwest, as well as Henan, Hebei, Shaanxi and Gansu, with wild and cultivated forms found in various places, mainly used as cut flowers and for garden planting as potted ornamentals. The bulbs are used for food and medicine, the fresh flowers contain aromatic oil used as a fragrance, and the fruits are eaten. A cold-hardy, autumn-planted scaly bulbous herbaceous flower. There are quite many cultivated varieties; besides white, the flowers also come in yellow, red, pale red, variegated and other colors.
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Where can I find soilless cultivation techniques for calla lilies?
How do you force calla lilies to bloom when growing them? Are there any tips? Calla lilies are not very cold-tolerant, so potted plants should be kept warm in winter. The suitable temperature is 15-25°C, 13-17°C in winter, and the minimum temperature must not be lower than 5°C. At home, you can put a double-layer plastic cover over them, place them on the balcony to get sunlight during the day, and move them indoors at night. If the temperature cannot reach...
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A Detailed Guide to Soilless Cultivation Methods and Key Techniques for Azaleas
How do you grow azaleas without soil? Please give guidance. The soilless cultivation method for azaleas can refer to the following methods: 1. Preparation of the substrate. Azalea roots are very fine and require a loose substrate to facilitate aeration and drainage. Use 1 part vermiculite, 1 part perlite sand, 1 part river sand, and 1 part coal cinder, mixed in proportion. After mixing, the substrate...
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