Causes of death and key points of maintenance of jasmine in winter
Cause of death of Riley in winter:
1. Freezing injury: when the temperature (room temperature) is lower than 3-5 ℃, the physiological function of the plant is damaged; when it is reduced to 3 ℃, the whole plant will die.
Second, the basin soil is too wet: when the temperature (room temperature) is below 10 ℃, Riley is in a dormant state, and the basin soil water demand is less. If too much watering, Riley root system for a long time in the condition of no ventilation, it is easy to suffocate to death.
Third, the basin soil is too dry: if it is not watered for a long time, Riley will dry up and die.
In order to make Riley safely through the winter, we must do a good job of anti-freezing, warmth and moisture control.
First, anti-freezing to keep warm: if the temperature drops to 5-10 immediately, Riley should be moved to the indoor and outdoor sunny place. When the temperature is below 0 ℃, you can use plastic bags to cover the bottom of the flowerpot, put it in a cool and dark place inside and outside, keep it 3-5 ℃, or put it in a sunny place where 0 can go up, so that it hibernates. Every other week, remove the plastic bag to make the plant ventilated and ventilated.
Second, moisture control: when the basin soil is white and has a "hard" feeling when touching the basin soil with your fingers, it needs to be watered at noon.
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Prevention and control of diseases and insect pests in jasmine culture
The diseases of jasmine during the growth period are: Jasmine stem rot, white silk disease; insect pests are: jasmine leaf borer, shell insects, cinnabar leaf e. (1) stem rot of jasmine. The disease occurs at the base of the stem, and the initial spot is brown and watery. The plaque expands longitudinally into stripes. The edge is dark brown, the inside is grayish brown, and the tissue of the disease class in the later stage is decayed and split longitudinally, and black granules appear. The disease will occur throughout the year during the greenhouse maintenance period, especially in early spring. Outdoor maintenance also occurs from August to September. Favorable under the condition of high temperature and humidity
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Enjoy the colorful carnation
"famous bamboo is not bamboo, and its spring hair is delicate and beautiful. Red, white and purple powder, the ancient money remains to this day. " Chinese carnation, with bamboo-like stems and gorgeous flowers, similar to ancient coins. Because of its strong nature, it can still grow well in stone seams, so it is named Carnation, also known as Luoyang Flower. Carnation is a perennial flower of the family Caryophyllaceae, which is often cultivated biennially. Its stem is erect, about 30 cm tall, leaves opposite, striate, lanceolate. Flowers solitary or several terminal, consisting of five petals, margin with conspicuous triangular denticulate. The colors are red, white, pink, purple and complex colors.
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