How can we prevent the occurrence of bad fruits when planting?

In the process of breeding, it is easy to suffer from the threat of disease, which will affect the beautiful image of the large rock tree, so how to avoid the disease of the large rock tree in the maintenance process? That's what we need to focus on.

Symptoms: Blighted nematode disease is a common disease of Dayan Tong, which is caused by nematode infestation.

It will damage the young stems, young plants, surface stems and tips of the leaves, causing the main stem to soften and rot after being soaked in water, and then slowly expand to the leaves, and the leaves will wrinkle and wither.

Prevention and control methods: Before planting, the bonsai soil must be disinfected and sterilized with steam or chloropicrin, and the rhizomes of Dayan Tong should be soaked in 60 warm boiled water for 5 minutes, or disinfected and sterilized with Usplon.

If it is found that the large rock tree has already felt the symptoms, it is necessary to pull out the main stem of the victim and burn it.

Symptoms: The key damage to the leaves, stems and young plants of the large rock tree, causing water-like brownish-black atrophic spots on the leaves, showing ring patterns in the spots, and the upper stems will be twisted and dwarfed when more severe.

The perfect main stem will form a lot of gray-black dented lesions on the surface stem, and they will crack, and the black spots on the lesions will be arranged in the shape of a whorl, and there will be milky white fungus on the edges.

Prevention and control methods: Before planting Dayan tung, spray the surface with 3 parts of indoor formaldehyde with 1 part water, and cover it with plastic film, or mix 7 parts of 70% dixone granules with 3 parts of fine soil, and sprinkle it on the surface for disinfection and sterilization.

Daily maintenance should pay special attention to immediately pull out the diseased strain, and immediately damage it.

Disease: It is the key disease of Dayan Tong, which is mainly dark brown soft rot on the flower stalk, gradually growing dark brown lesions from the edge, and the surface layer has wrinkles and wrinkles, which will spread to all leaves.

When it is wet and cold, it has a dark gray mold layer, and then turns pale yellow. When it is more severe, the whole leaves, the whole flowers and their whole branches turn brown and wilt.

Prevention and control methods: During the onset of the disease, use 500 times of 80% zebzeb, or 1% agricultural streptomycin, 500 times of 75% mancozeb, spray once every 10 days, and continue to spray 2-3 times.

Symptoms: After the leaf is diseased, it will appear brownish-black water marks to soften, and after expanding to the leaf stem, the leaves will rot and have small dimple spots in the form of water traces, which will often expand into solid spots or long strip-like spots, and the stem disease will continue to rush to the leaf stem, causing the leaves to bend.

Prevention and control methods: spray 600 times of Pulik liquid or 600 times of 72% Kelu wettable powder in the early stage of the disease, and 60% of the gram (fluorine. Manganese zinc) wettable powder 1000 times liquid, 25% methamethine wettable powder 500 times liquid.

When planting, spray pesticides on the roots of the tree and add pesticides to the soil, so that it can be prevented.

If you want to prevent the occurrence of bad fruits, you must ensure the health of the soil when planting, ensure the safety of the soil, and do not let the soil have insect infestations.

When planting, we must pay attention to spraying pesticides and be sure to water, so that we can avoid the problems we encounter and can also make the fruit trees grow better.

When planting, it is necessary to water less, fertilize more, turn over the soil, do a good job of insect control, and spray pesticides regularly, all of which can prevent bad fruits.

If you want to bloom more, in the selection of seeds, you need those imported hybrid varieties with lush flowering, short plant type, strong resistance and easy maintenance, and single-petal varieties have more flowering than heavy-petaled varieties.

Self-pollination is difficult, and in order to obtain good seeds, it is necessary to pollinate them by hand.

During the flowering period, the pollen of the stamens is harvested and applied to the stigma of the pistil with a brush.

After pollination, the seeds will mature about 35 days later, so the seeds are removed and dried for storage.

Before sowing, soak the seeds in water for 24 hours to encourage them to germinate early.

It is best to use humus soil, vegetable garden soil and fine sand for potting soil.

After leveling the soil, sprinkle the seeds evenly, soak the pot in shallow water and take it out, cover it with glass, place it in a semi-shaded place, and maintain a humidity condition of 18-20.

Seedlings can emerge in about 10 days, and then let the large rock tung gradually see the sun, but to avoid direct sunlight, spray frequently, maintain humidity, apply a thin cake fertilizer water every 10 days or so, and generally bloom about 6 months after sowing.

Although this green plant is very easy to raise, it is still difficult to raise a pot of excellent quality, and the most important thing is to prune the large rock tree. How to prune the big rock tree?

Prune before flowering

Generally, before the flowering of the large rock tree, the young leaves are pruned, and the method of topping is adopted. Topping is to remove the uppermost branches and leaves, and then promote the growth and development of a large number of branches, so that a large number of flowers can be given. Topping should be done sooner rather than later, and early topping is beneficial to early forming.

After flowering and topping, choose 2-3 similar heights. Suitable shoots are left to ensure the successful opening of the petals.

Prune when the large rock tree is in bloom

After flowering, if the leaves around the petals prevent the healthy growth and development of the petals, some of the leaves can be cut off or half of the leaves according to the specific situation. Pruning the leaves in this way will allow all the petals to be concentrated and open to the top of the main stem, resulting in a bouquet of flowers, which will be better appreciated.

By pruning the large rock tree, more than 18 flowers can be given at a time. Among them, a large rock tree planted in a potted pot of 12 cm is no more than 15 cm high, and only 2 branches, that is, 16 flowers are given at the same time, which is gorgeous and colorful, and quite beautiful.

Prune after flowering

After flowering, if the soil is rich and managed properly, it will pull out a second batch of buds. After flowering, if there is no need to carry out seeding, it is best to cut off the branches to manipulate the outflow of nutrients, which is beneficial to the re-flowering and the growth and development of the tuber.

After flowering, in winter, the tuber of the large rock tung should be preserved, choose a leafless stem, the length is about 3-4 cm, and the sand storage should be carried out immediately, and the temperature should be maintained at a temperature of not less than 5. During the winter, the sand can not be too wet, otherwise the bulb will rot, if the sand is too done, spray cold water appropriately, to prevent the stem from drying up, to stay in the bright spring season, the tuber of the large rock tree budding, according to the must choose seedlings and shoots, into a new round of maintenance and pruning.

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The large rock tung will wither in winter, with the arrival of winter, the temperature will gradually decrease, the large rock tree will enter a dormant state, the stalks, leaves, etc. on the surface will gradually wither, the withered part can be cut off, and then the bulb is taken out of the soil, soaked in trichlorfon solution, and then dried after sterilization with carbendazim, wrapped in newspaper and placed in a cool, ventilated location for storage.

With the arrival of winter, the temperature will gradually decrease, and the plant in this state will basically stop growing, and the stalks and leaves on the surface will gradually wither.

The withered part can be cut off, and then the seed bulbs are removed from the soil, soaked in trichlorfon solution for half an hour, and then sterilized with carbendazim, and finally dried, wrapped in newspaper, and stored in a cool and ventilated location.

In winter, move the large rock tung indoors, and then provide a growth environment of more than 5 degrees, the plants will not wither, place the large rock tung in a well-lit position, let it fully irradiate the sun, keep good indoor ventilation, and avoid poor growth of the large rock tung.

The best temperature in the growing period is 20-25 degrees, the cold resistance is weak, and it is not heat-resistant, when the temperature exceeds 30 degrees in summer, it will enter a semi-dormant state, and the air humidity has certain requirements during the growth period, but the humidity is too high or too low, which will lead to rhizome rot.

The seeds are still grown.

The seeds are sprinkled directly on the front of the substrate.

Do not cover with soil. Be sure to maintain high humidity.

It's best to put a clear lid or plastic wrap on the pot.

Just turn it on once a day for a small breath.

Because even if the soil surface is dry, it basically can't sprout, and it will sprout in about a week to fifteen days.

After emergence. Let it gradually see the sun.

If you shoot or leaf cuttings, you can directly pick a healthy shallow insert and put it in perlite, which is the most simple and easy to live.

The most important thing for adults is to be careful in the sun.

He likes to be half-yin.

Too much sunlight may scorch the leaves.

Also, the temperature should not be too high or too low.

If the temperature reaches more than 30 degrees, it is easy to grow badly or even become dormant.

Therefore, the large rock tung sown in spring is often smaller than the whole plant or flowers that are quietly sown in autumn.

And if it's below minus 10 degrees.

That's fine.

Seeds can easily warp due to low temperatures, and there is.

Flower pots should be about 15 centimeters in diameter.

Use. A 1:1:1 mixture of earth, perlite and vermiculite is the foundation for repentance.

Don't water all the time, just spray the water with a watering can to keep it humid.

Be careful not to stain the blades.

Most of the fluff is easy to rot.

Finally, by the way.

It takes 6 months to plant before flowering.

Long very slowly.

That's right. Didn't you search for it yourself?

Encyclopedia. There's something in there.

Although written a little.

But it's basically fine.