What kind of plant is tobacco flower?
It is an annual or limited perennial herb of Nicotiana of Solanaceae, all of which are glandular hairs; Thick roots. The stem is 0.7-2m high, and the base is slightly lignified. Autumn blossoms and bears fruit. As a raw material for tobacco industry; The whole plant can also be used as an insecticide; It can also be used as anesthetic, antiperspirant, sedative and emetic in medicine.
What is the function of tobacco flowers?
1. Ornamental value
The whole root system of tobacco is self-supporting, and the flowers are round and trumpet-shaped, rich in color and beautiful in appearance. Tobacco is also a very interesting flower. It usually opens in dark weather or at night, but closes in sunny days, which is very interesting. The flowering period is long, two months. It has good ornamental value.
2. Research value
In recent years, China has made some achievements in the research of flower tobacco, and successfully transformed wild flower tobacco into artificial cultivation. But the understanding of it is still in the basic stage. Agricultural Research Institute of China Institute of Technology, etc. They are still continuing their research on flower tobacco. Interested friends can further understand and explore the value of fireworks.
3. Decorative value
At present, the planting technology of flowers and cigarettes is quite mature and can be used as potted plants for indoor decoration. Tobacco flowers are brightly colored, you can choose according to your own hobbies, and at the same time, you can kill two birds with one stone.
What is the growing environment of tobacco?
Tobacco likes warm, sunny environment and fertile and loose soil, and is drought-tolerant but not cold-resistant. I like a warm and sunny environment, not cold-resistant, but heat-resistant. Plants that need plenty of sunshine are easy to grow, with loose flowers, light colors and unsightly appearance. Pick the core once after planting to promote multi-branching. In rainy season, long-term humidity should be prevented, and the suitable temperature for growth is about 10-25 degrees. Sandy loam rich in organic matter is the best soil for growing tobacco and needs good drainage. Poor drainage can easily lead to root rot. Love fertile, deep and well-drained soil.
Where are the tobacco flowers mainly distributed?
Tobacco is native to South America. China is widely cultivated in northern and southern provinces. Tobacco is a thermophilic crop and is sensitive to temperature. Different temperature conditions have great influence on the quality and yield of tobacco. The temperature requirement of high-quality tobacco in the growth period is lower in the early stage and higher in the later stage. Under the good growth conditions of sufficient sunshine and average daily temperature of about 27℃, tobacco ripens in 80-90 days after transplanting; In cold weather, it takes 100- 120 days to mature. Insufficient light will lead to slow growth of tobacco leaves, almost unable to mature normally, resulting in inferior tobacco leaves.