The culture method of sunflower

Pukui, also known as fan leaf sunflower, sunflower tree, South China sunflower, etc., is a perennial evergreen tree of the genus Palmaceae. It is not only a garden ornamental plant and a good four-sided greening tree species, but also a kind of economic forest tree species. Its tender leaves can be used to make sunflower fans, old leaves to make coir coir, etc., and the rib veins of leaf segments can be used to make toothpicks, fruits and roots as medicine. Let's take a look at the breeding methods of sunflower.

The growth habit of Sunflower

Sunflower is produced in southern China, mostly in southern Guangdong Province, especially in Xinhui District of Jiangmen City, and also in Indo-China Peninsula. Like warm and humid climatic conditions, not resistant to drought, can withstand short-term waterlogging, are afraid of the northern sun exposure. It grows well in a fertile, moist, organic rich working soil.

The Propagation method of Sunflower

1. Seed collection: sunflower generally begins to bear fruit after 15 months of growth. as a result, although the seeds are mature at the end of the year, it takes 4 to 5 months to germinate after sowing. If the seeds are collected in winter, they should be buried in sandy soil and sowed at the end of spring.

2. Sowing: the seed of Pukui should be shallow, the depth of the nest is 2cm to 3cm, the distance between the nest is about 1 square foot, sow 4 grains in each nest, and cover it with sifted domestic waste powder after watering, so that the seeds can emerge. When the seedlings are unearthed, it is necessary to dig the soil to make the seedlings unearthed neatly.

The culture method of sunflower

1. Soil: sunflower can use humus culture soil as basin soil, turning the basin and changing soil every 2-3 years. Plants of more than 10 years old should be put into the barrel.

2. Lighting: sunflower likes to shine enough, but do not put it in the hot sun, keep it under the shade in summer, and pay attention to ventilation.

3. Fertilization: sunflower is fertilized every year before Spring Festival, Dragon Boat Festival and Mid-Autumn Festival, and nitrogen fertilizer should be used during the growing period.

4. Temperature: sunflower should be moved into the greenhouse to survive the winter before the middle of October, and the room temperature should not be lower than 5 degrees in order to survive the winter safely.

5. Watering: sunflower leaves will wilt and wither and even die if they are not watered in the midsummer season, and they have a certain ability to withstand waterlogging. In the rainy season, attention should be paid to drainage and waterlogging prevention.

6. diseases and insect pests: sunflower has strong resistance to diseases and insect pests, and the common diseases are leaf blight, anthracnose, brown spot, leaf spot and blight, etc.