Cultivation methods of green flowers and potted Trollius and control of diseases and insect pests

Trollius is also a potted flower that people like to reproduce. Golden flowers look so elegant, but how do you enhance potted culture? The following small series introduces the cultivation methods and pest control of potted golden lotus. I hope everyone likes it.

Cultivation method of potted Trollius chinensis

Potted trollius flowers need loose, fertile, highly permeable soil to cultivate.

Usually seed and breed nasturtiums. Annual planting, can be planted in Yangshuo in early spring, planted 1 week after planting, seedling height 10 cm. It can be planted in open and loose areas of soil. In general, goldenrods bloom from June to September until frost falls.

If you need potted plants to bloom from April to May, you can plant them in a greenhouse in December of a good year. After sowing, pour water into a greenhouse at 20°C or higher. Seedlings will appear in about 10 days to maintain adequate light. When the plant height is 10 cm, the soil is cultivated with fertilizer, 50 g broken hoof is used as base fertilizer, and the double pot is changed;

If you need New Year's Day or Lunar New Year flowers, you can cut branches and cuts 10 cm long in August and use shallow pots of ordinary sand to create a cool, airy and humid environment. After 15 days, it will survive. In October, quite a few gas cylinders will be placed in front of the greenhouse. The room temperature is about 15°C during the day and about 10°C at night. The light should be sufficient and the temperature should not be too high to prevent length. When changing pots, pour water once, then replenish water as the soil loosens. Keep the soil moist and stop. Do not accumulate water for a long time. fertilizer solution and organic fertilizer water are alternately used once every 10 days;

Potted goldenrods, which need to bloom in the fall from September to October, can be planted in early June. In the hot summer, it must be placed in a cool, ventilated and cool environment. Autumn will be prosperous and flowers will flourish.

Disease control method of Trollius chinensis

Leaf Spot Disease of Trollius

Symptoms and patterns

The leaf spot pathogen overwinters in the diseased body or subsequently on the surface, and the host is infected by wind and rain during the beginning of leap years. Continuous cropping, over-dense planting, poor ventilation and excessive humidity all contribute to the disease.

prevention methods

1. Remove the diseased tissue in time and burn intensively.

2, usually in maintenance should pay attention to ventilation, sterilization, disinfection, timely discharge of moisture, to prevent rotten roots.

3. Spray from the early stages of the disease to prevent the spread of disease. Commonly used drugs 50% thiophane methyl 1000 times, 70% mancozeb 500 times, 80% mancozeb 400-600 times, 50% captan 400 times. Care must be taken in the alternative use of drugs to prevent the development of resistance.

Trollius blight

Symptoms and patterns

The vascular bundle of the affected plant is infected, and symptoms usually appear at the adult stage. In the initial stage, leaves desiccate, or yellow patches, discolored net-like spots, etc., and leaves of severely diseased plants fall one by one, eventually the whole plant dies. Bacteria can survive winter in soil, disease or fertilizer and can survive for years.

prevention methods

1. Seed disinfection Before sowing, soak seeds in warm water at 56 ° C for 5 minutes.

2,50% thiophanate-methyl WP 500 times spray can be used for prevention and treatment.

3, planting at ordinary times need to pay attention to ventilation, disinfection, to avoid the appearance of attached bacteria.

Common pests of Trollius

pests

There are mainly white shell moths, pink butterflies, whiteflies, red spiders, dragonflies, gold worms and so on.

prevention methods

It is necessary to apply pollution-free pesticides such as imidacloprid, chlorpyrifos and insecticides in time to prevent the growth of golden lotus flowers.

Protection of natural enemies of various plants, use of inter-species constraints for prevention and control.

The ornamental value of Trollius chinensis

Trollius is a very good ornamental plant. It can be planted in garden rockery and create an environment to decorate the environment. It can also promote urban greening. It is also a good place to grow at home. If you have a yard, you can plant it in flower beds or next to trees. After climbing, it will grow up to be beautiful. It can also be potted and placed on the coffee table at home, on the table, it can also play a good decorative role, or you can make a basket, green leaves and flowers hanging from it, it will look beautiful.

Time: 2019-05-17 Click: