Time of sowing and breeding of Ranunculus chinensis what special medicine is used by Liriomyza huidobrensis

Buttercup, this is a kind of plant, many people like breeding, this buttercup blossoms can be beautiful, what is the sowing time of buttercup? What specific drugs are used by Liriomyza huidobrensis:

Time of sowing and propagation of Ranunculus chinensis

The normal sowing period of Ranunculus is from mid-October to mid-November. After putting the seeds in water for one day, the seeds are removed, wrapped in gauze, and then placed in a thermostat to accelerate germination. The appropriate temperature is about 15 ℃. Rinse with clean water once a day in the morning and evening, then drip water to keep the seeds moist.

About 7 days after germination, some of the seeds began to germinate, and the seeds could be sown immediately.

The seeds to be germinated are properly dried, mixed with appropriate amount of yellow sand, and then sown in flowerpots or courtyards. Mix peat and perlite at 1:1 with suitable thickness of 0.2~0.3cm.

The sowing and propagation of Ranunculus should be carried out in a well-drained soil and in an environment with good ventilation and light transmittance. Strengthen the protection of the sowing environment to avoid the threat of weather disasters and diseases and insect pests.

It usually takes a week to grow seedlings after sowing. At this time, it is necessary to keep the soil moist and replenish water in time to ensure smooth emergence.

What specific drugs are used by Liriomyza huidobrensis:

The occurrence is more common, and the main harm period is from February to April. The larvae eat the tissue in the leaves to form a serpentine white submersible channel, and its excrement is black and continuous linear in the passageway, and the adults lay eggs and feed on the round spots. It not only destroys the chloroplast of plant tissue, reduces photosynthesis, but also provides a way and place for disease invasion and evil. the activity of worms also spreads a variety of viral diseases, which has a disastrous impact on the cultivation of Ranunculus.

Prevention and control methods: comprehensive control must be taken to give priority to prevention and control the occurrence of insect pests in a comprehensive manner. Yellow board sticking and chemical killing can be used in the prevention and control. In the initial period or about 20 days after the high incidence of Eclosion female flies, 5000 times of 75% cypermethrin EC, 1000 times of 4.5% cypermethrin EC, 2000 times of 50% cypermethrin EC, 1500 times of 25% macular net EC were sprayed alternately every 10 days for 3 times.

This is the end of the introduction about buttercups. Do you have the impulse to raise one?

How to reproduce Ranunculus, the method of reproduction / sowing propagation / ramet propagation

Buttercup is a common flower plant in people's life, which is highly ornamental, and there are many people raising it in all parts of our country. However, with the increase in the number of farmers, people are more concerned about their reproduction. About how buttercups reproduce? What are the breeding methods of buttercup? Next, the editor will take you to learn about it.

1. How to reproduce, sow / ramet

When it comes to how to reproduce buttercups, in fact, it is mainly divided into two methods: sowing reproduction and cutting propagation. As long as they are handled properly, both methods have a high survival rate. As for the specific operation of these two breeding methods, which are described in detail below, let's take a look at them.

2. Breeding methods of Ranunculus chinensis

Sowing and reproduction

1. Matrix selection, good drainage

Before we sow and reproduce buttercups, we must first choose the substrate, which is a more important step. Only by allowing it to grow on a suitable substrate can it grow better. Generally speaking, it is best to choose neutral or alkaline soil with loose, fertile and good drainage as the matrix.

two。 Seed harvest, June harvest

Generally, in June every year, the branches and leaves above the ground of Ranunculus are withered and yellow, and when the fruit changes from green to yellow, that is, when the seeds are ripe, we can pick them, dry them and put them in paper bags. Store it in a ventilated and dry place and wait for sowing in autumn.

3. Budding at low temperature, 10 ℃-15 ℃

The sowing time of buttercup is generally carried out in spring, but its germination time is also different because of the different temperature. generally, it is best to control the temperature between 10 ℃ and 15 ℃. It will germinate in about 20 days, but it will not germinate if the temperature is higher than 20 ℃.

4. Sowing method, applying base fertilizer before sowing

In the breeding method of buttercup, sowing and reproduction is relatively simple, first of all, we should add an appropriate amount of base fertilizer to the soil, and then sow the seeds on the basin soil, and then cover it with 1-2cm or so of the soil for watering. When watering, we should pay attention to watering thoroughly, and then put it in the semi-shade and wait for it to germinate.

Ramet propagation

The ramet propagation of Ranunculus is usually carried out from September to October in autumn. this method can be combined with changing pots. When dividing plants, we should lift the overdense mother plant out of the basin soil, then cut it into several clumps, put it on the pot separately, and plant along with it. It's easy to survive. It is usually a complete pot of flowers after it is put on the pot.

What is the flower language of Ranunculus? what special medicine is used for white silk disease?

Buttercup, this is a kind of plant, the flowering is super beautiful, what is the flower language of this buttercup? What specific medicine is used for white silk disease:

The words of buttercups:

Hua Yu: popular.

San Ansony, a friar of the Church of Francesco in the 13th century, always attracted a large number of believers to listen when he preached the teachings of Christ and preached the gospel, and he became famous. The flower word for buttercup is "popular". The blessed birthday boy is easygoing, talkative and widely admired, loved and supported by the people around him. However, it is precisely because of the wide range of good relationships that it is often not easy to make deep acquaintances with people, even for friends of the opposite sex, so it is good to remember that there are many friends, but it is more important to have in-depth knowledge of yourself.

What specific medicine is used for white silk disease:

White silk disease is caused by a small sclerotia fungal infection, which mainly affects the base of the stem of the plant. At the initial stage of the disease, water-stained light brown irregular spots were produced at the base of the stem, followed by white silky hyphae in the diseased part, which gradually wound into rapeseed sclerotia. It is white at first, and then yellowish brown to brown. When the disease is serious, the base of the stem is rotten and necrotic, the aboveground part is separated from the underground part, the moisture can not rise, the branches and leaves wither and the plant dies. The pathogen overwintered with sclerotia in the soil or on the diseased remains, and the sclerotia could survive in the soil for several years. The sclerotia germinated into hyphae and spread from diseased plants to healthy plants in the soil. At the same time, after the ascospores mature, they spread by wind and rain and invade after coming into contact with the host. The temperature of about 20 ℃ and the relative humidity of more than 85% are beneficial to the spread of bacteria. Under the conditions of over-dense planting, poor ventilation and light transmission, continuous cropping, clayey soil or poor drainage, the disease will be aggravated.

Prevention and control methods: 1. Strengthen cultivation management, pay attention to ventilation and light transmission, properly control watering to avoid soil over-wetting. The production site or planting soil should be rotated and disinfected. 2. Check in time, remove the diseased plant and burn it immediately. At the same time, dig up the soil around the diseased plant, sprinkle 40% pentachloronitrobenzene around the disease hole or spray and irrigate the rhizosphere soil with 50% carbendazim wettable powder 800 times to control the development of the disease. 3. At the initial stage of the disease, spray irrigating the stem base and surrounding soil of the plant with 75% chlorothalonil wettable powder and 5% Jinggangmycin 1000 times solution can reduce the disease.

Buttercup flower language is introduced here, we should pay attention to the prevention and control of white silk disease.