Sunflower

• Sunflower is a familiar flower.

Its oil is unique in meaning.

Due to the huge demand for it all over the world,

commercial cultivation of sunflower started in this country in the sixties.

At present it is being cultivated extensively in different districts including Rajshahi,

essore, Kushtia, Natore, Pabna, Dinajpur, Gazipur, Tangail.

Use of sunflower

A) Sunflower seeds are fed to poultry as fodder.

B) Oil is extracted by threshing in this seed machine Sunflower is widely cultivated in

different countries of the world as a source of oil.

C) Sunflower oil, also known as vegetable oil, is used as an alternative to ghee.

D) Sunflower oil is better than other cooking oils and is quite effective for heart patients.

Cholesterol levels are very low. It also contains vitamins A, D and E.

E) The best source of Vitamin -E is the seeds of this sunflower.

F) Vitamin -E has many beneficial aspects. Vitamin E acts as a free radical resistant or antioxidant.

The potency of vitamin E includes two more properties that play a significant role in heart disease.

These two properties are to prevent inflammation and help in the growth of smooth muscle cells.

The ability of muscle tissue to produce cells as well as its anti -inflammatory properties prevent

these blood vessels from narrowing.

Vitamin E is also known to have anti -cancer properties.

During cultivation

Sunflower cultivation is mainly done in the hope of getting good yield.

Sunflower can be cultivated throughout the year. However, the best time to cultivate is in the month

of Agrahayan. The temperature in the northern and western parts of the country is 15 degrees Celsius.

If it is below this, seeds should be sown after 10-12 days. It can also be cultivated in Kharif-1 season.

Jaistha (mid-April to mid-May).

Land ready

Sunflower land is to be cultivated deeply. The land should be plowed 4-5 times and the soil should be plowed with a ladder.

Variety selection

The Kirni (DS-1) variety was invented in 1982 by selection from germplasm. This species is 90-110 cm tall.

Is tall. Seed weight is 70-75 grams per thousand. The seeds are long and flat in shape and black in color.

Each tree has one flower. It takes about three months to collect the crop after sowing the seeds.

Yield is up to 1.5 tons per hectare. It takes about 90-100 days to collect the crop.

Learn the method of Baromasi mango cultivation.

Sowing method and seed rate

Sunflower seeds are sown in rows for commercial cultivation. Seeds are sown at a distance of 5050

in rows and 2525 in columns. It requires 8-10 kg of seed per hectare.

Fertilizer application

Approximate amount of fertilizer per acre

Urea 450-500 kg,

TSP 360 kg,

MP 300-360 kg,

Gypsum 350,

Zinc sulphate 20 kg,

Boric acid 25 kg,

Magnesium sulphate 230-250 kg.

Urea fertilizer should be halved and all other fertilizers should be sprinkled on the land

at the time of last cultivation and mixed with the soil. The remaining half of urea fertilizer

should be given in two parts. The first part should be applied 20 days after seedling emergence

and the second part 40 days later or before flowering.

Diseases and remedies

Leaf blight is a special disease of sunflower. Sunflower disease is caused by fungal attack.

At first the leaves are gray or dark brown in color. The spots are uneven in shape.

Later all the stains merge and create big stains. Eventually the whole leaf glows.

Sunflower acetamide is also a root rot disease. Outbreaks appear to be exacerbated during fungal infections.

At the base of the affected tree are white cotton-like fungal mycelium and round grain-like sclerosium.

At first the tree fell a little. Within a few days all the trees fell down and dried up. Read more Trees

that kill insects.

Disease tolerant Kirni varieties should be cultivated for remedy. As soon as the disease occurs,

Rovaral-50 WP (Rovaral-500 WP) is mixed with 2% water and applied to the soil 2-3 times in 10 days

to reduce the incidence of the disease. If the remaining part of the plant is destroyed or burnt after

harvesting, the germs of this disease are destroyed.

As a remedy for sunflower root rot disease, the spread of the disease can be prevented by cleaning

the field with the help of Vitavex-200 (Vitavex-500). Usually if the soil is wet, this fungus cannot survive.

Thus the incidence can be reduced by flood irrigation in the land after the onset of the disease.

Periodic cultivation of crops on the same land can prevent the spread of previous invasive diseases

in the absence of suitable host plants.

Harvesting

It takes 90 to 110 days to mature after sowing.