Propagation methods of cactus

Cactus can be propagated by means of ramet, cuttage and grafting. Among them, cutting is the most widely used in family cultivation, and the survival rate is higher, which can be carried out in spring, summer and autumn.

Cultivation techniques of cactus:

1. Culture soil selection

Cactus likes slightly alkaline fertile sandy soil with good drainage. The culture soil of cactus cultivated at home can be mixed with 2 parts of compost, 4 parts of garden soil and 4 parts of river sand.

two。 Flowerpot selection

Flowerpot selection is small, not large, generally as long as it is slightly larger than the plant shape. Small tiles can be placed at the bottom of the basin to facilitate drainage. Don't bury it too deep when planting, just stand firm.

3. Ventilation and sunshade

Cactus can promote plant growth in the sun, so you should see more sunlight, but shade in the middle of summer to prevent sunburn injury caused by strong light. It should also be put in a well-ventilated place. In addition, the cactus is prone to frostbite when the temperature is below 5 ℃, so it is necessary to prevent frostbite in winter.

4. Water and fertilizer

Cactus drought tolerance, watering should be less, not more, avoid stagnant water in the basin, keep semi-wet. The cactus grows vigorously from June to August, and it is usually watered once a day. To keep the soil moist, pay attention to drainage in the rainy season, and do not water during the dormant period. Do not water the stem if there are hairs or white powder on the stem and the grafting part. Fertilization is carried out in the vigorous growth season, and it is appropriate to use fully mature organic fertilizer or dregs fertilizer.

Pots are changed during the dormant period of cactus, that is, in early spring in March or in October in autumn. The basin can be changed 1-2 times a year, and new culture soil needs to be added when changing the basin.