1. Temperature: it requires high temperature during its growth period. It can grow only when it is above 20 degrees. However, the temperature required for seed germination is relatively low. It can be sown when the temperature reaches 8 degrees above zero.
2. Watering: water control is needed before seedling emergence, in order to promote the growth of roots. When flowering, it is necessary to increase watering properly, because this time is its growth period, and the demand for water is relatively large. When the seeds are harvested, there is no need to water.
3. Fertilization: when laying the base fertilizer, you can use human and animal manure. In addition, according to its growth, you need to apply fertilizer to it. The first time is in May, you can still use human and animal manure. The second time is when the seedlings grow to 30 cm, you need to use urea to apply fertilizer. The third time is in late July, when its height should be 60 cm. Rice, fertilizer to use fertilizer cake and potassium superphosphate.
4. Light: because it is a long sunshine plant, the light must be sufficient, and the light time of every day should not be less than eight hours.
1. Reproduction: it can be propagated by sowing. First, it needs to select seeds, remove the shriveled seeds and moldy seeds, so as to reduce the disease. Then, it puts the seeds in warm water for three hours, scoops them out, covers them with cloth for twelve hours, and finally sprinkles the seeds into the prepared culture medium. When the seeds grow three real leaves, they can be transplanted and planted.
2. Pruning: generally, it doesn't need pruning. It only needs to deal with the dry and rotten branches and leaves at ordinary times.
1. Powdery mildew: if there are white powdery spots on both sides of the plant through the leaves, it means that the plant is infected with powdery mildew and needs to be sprayed with 25% of the solution of Triadimefon.
2. Disease: the yellowing of branches and leaves is mostly caused by improper watering. Proper watering control is needed to ensure the frequency of two or three times a week.
1. Edible: it cannot be eaten directly, but its whole plant can be used as medicine.
2. Toxicity: appropriate amount is needed when using the medicine. If the dosage is too much, it will lead to the rise of blood pressure in patients, especially those with a history of hypertension.
