Fertilization: When banyan trees grow normally, top-dressing the roots with decomposed human and animal urine or retting fertilizer 1 time every day, and applying base fertilizer when changing pots can make the branches grow stronger. Water: Water the basin frequently, the soil is moist but does not accumulate water. Sprinkle water on the ground in summer to keep the microclimate. Lighting: Shade in spring and summer, move the banyan indoors in winter, and keep the room temperature at 8℃.

1. Cultivation techniques of Ficus carica

1, growth environment

Banyan likes sunny, well-ventilated, warm and humid environment.

Step 2 apply fertilizer

(1) During the growth period, apply decomposed rare organic liquid fertilizer 1 time every month, and apply alum fertilizer 1 time every May and August.

(2) After the banyan tree grows normally, topdressing should be done once a day 1 time, and topdressing should be done with decomposed human and animal urine or cooked fertilizer. If the potted soil is fertile, topdressing is unnecessary.

(3) When changing pots, applying base fertilizer can make the trunk grow thick. When growing in summer, spraying nutrient solution on the leaves can make the branches and leaves dense and green.

water

(1) Banyan trees like humidity, so they should be watered frequently during the growing period to keep the basin soil moist, but there should be no water accumulation.

(2) In winter, when the temperature is low and the water evaporates less, it should be watered less appropriately. When the basin soil is wet, it is unnecessary to water it.

(3) The weather is hot in summer. In addition to watering the basin, we should always sprinkle water on the ground to keep the microclimate, and the appropriate watering amount is 1 day twice.

4. Lighting equipment

(1) Indoor banyan trees should be placed in ventilated and bright scattered light, and outdoor banyan trees should be properly shaded in spring and summer.

(2) In northern winter, banyan trees should be moved indoors for wintering, the room temperature should be around 8℃, and more light should be seen when there is sun.

Step 5 turn the washbasin over

(1) potted banyan trees with short tree age should turn 1 times in two years, and potted banyan trees with old piles should turn 1 times in three to four years. It is advisable to turn over the soil from late April to early May, but not in winter.

(2) When changing the soil, first remove the old pot soil of 1/2, cut off the dead roots, short roots and long roots, trim some over-dense roots at the same time, and add some new culture soil with certain fertility, so that the banyan tree can be planted.

(3) The shape of the tree is usually changed by turning over the pots, or replaced with flowerpots with higher ornamental value.

6. Breeding method

(1) Cutting Propagation of Ficus microcarpa

(1) Cut off the thick branches first, then insert them into the loose, breathable and acidic mixed soil of stone powder, river sand and cinder, with a depth of about 3cm, then water them, and move them to a cool and leeward place for maintenance. If the ground is planted, cover it for shade.

(2) If the cuttings are cut in early spring, the temperature is low, so it is necessary to use film bagging to keep warm, which is convenient for plant survival.

(3) The banyan tree takes root after the bud, so when the bud grows to 5-6cm, the pile material should be gradually exposed to the sun, and then transplanted into the pot after the bud and root grow strong.

(2) propagation of Ficus microcarpa by ramets

Select stumps with tortuous trunks and suitable for bonsai, propagate with ramets, and leave as many air roots as possible. After 1-2 years of cultivation, it can be shaped according to pruning.

7. Prevention and control of pests and diseases

(1) When poor wind light transmission or too much nitrogen fertilizer is easy to cause powdery mildew, 500 times of 50% carbendazim wettable powder can be sprayed for control.

(2) 80% dichlorvos EC 1500 times solution can be sprayed to control scale insects, or a proper amount of carbofuran particles can be buried in the basin soil for watering.

8. Matters needing attention

(1) Pruning and shaping of banyan trees are mostly carried out in the dormant period, because the sap flows quickly during the growing period, and more white viscous liquid will flow out after pruning, which is not conducive to plant growth.

(2) Rock climbing can be carried out all year round. Attention: Don't damage the bark to avoid the outflow of juice.

(3) During the growing season of banyan trees, the soil in the basin should be kept moist, and special attention should be paid to the need to improve the air humidity, because the leaves of banyan trees are easy to wither in dry air and then gradually fall off.

(4) Wash the leaves/kloc-0 times a week with warm water close to room temperature to make the leaves clean and light green. When the room temperature is too high in winter, open the window for ventilation, otherwise when the banyan leaves the room the next spring, it will cause a lot of fallen leaves.

Second, how to prune banyan trees to look good

1, capped

In order to promote the branching of the buds of other side branches of the banyan tree and make the plant look fuller, in addition to removing the terminal buds of the main branches, topping should be carried out after the side branches grow to a certain length to avoid virtual length and improve the ornamental value of the plant.

2, reasonable bud picking

During the growth of banyan bonsai, many adventitious buds will grow on its branches. In order to prevent plants from growing too many branches and destroying the overall shape, it is necessary to remove adventitious buds in time.

Step 3 cut the leaves at the right time

In the germination stage of new leaves in banyan bonsai, proper pruning of newly germinated leaves can not only promote the shoots to germinate new leaves for many times, but also make the leaves more colorful and enhance their ornamental value.

Step 4 trim regularly

During the growth of banyan trees, many new branches will grow. At this time, it is necessary to decide whether to stay or not according to personal aesthetics and plant growth. Usually, it is necessary to cut off branched branches, dead branches and branches that are too dense and too long, or cut off branches that are considered to affect the appearance according to personal preferences.

5. Change pots and trim roots

(1) When the roots of banyan trees are too long or too dense, they can be pruned appropriately. It is suggested that pruning should be combined with changing pots. If the roots in banyan bonsai are full of flowerpots, it is necessary to replace them with bigger flowerpots.

(2) When pruning the root system, the roots that are too dense should be thinned, the dead roots and rotten roots should be cut off, and then replanted.