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Deshi Onion: A Culinary Treasure of Bangladesh

 

Sree Lankan Onion
Deshi onions, a staple ingredient in Bangladeshi cuisine, hold a significant place in the country's agricultural economy and cultural identity. Known for their robust flavor and strong aroma, deshi onions are indispensable in almost every Bangladeshi dish, from curries to biryanis. The cultivation and varieties of onions in Bangladesh, particularly the Rajshahi onion, Kishoreganj onion, and Chapai Nayabganj onion, underline the diversity and richness of the nation’s agricultural heritage.

The Importance of Onion Cultivation in Bangladesh

Onion cultivation in Bangladesh is a vital agricultural activity, as onions are one of the most consumed vegetables in the country. Bangladesh produces over 2.6 million metric tons of onions annually, with a significant portion coming from regions like Rajshahi, Kishoreganj, and Chapai Nawabganj. The crop not only fulfills local demand but also contributes to the livelihood of thousands of farmers.

The government and agricultural research institutions in Bangladesh have been actively promoting advanced farming techniques to enhance onion yield. Traditional methods, combined with modern agricultural practices, are employed to ensure the sustainability and productivity of this essential crop. Despite these efforts, the country often faces a supply-demand gap, particularly during off-seasons, leading to reliance on imports from neighboring countries.

Major Onion-Producing Regions in Bangladesh

Bangladesh is home to several regions famous for producing high-quality deshi onions. Among them, Rajshahi, Kishoreganj, and Chapai Nawabganj stand out due to their unique climatic and soil conditions that favor onion cultivation.

Rajshahi Onion

Rajshahi, known as the "Silk City" of Bangladesh, is also a hub for high-quality onion production. The fertile alluvial soil and moderate climate of the region make it ideal for growing flavorful and aromatic deshi onions. Rajshahi onions are celebrated for their long shelf life and resistance to pests, which makes them a preferred choice for both domestic consumption and commercial purposes.

Kishoreganj Onion

Kishoreganj, situated in central Bangladesh, is another prominent onion-producing region. The onions grown here are known for their medium size, reddish-brown skin, and strong aroma. Farmers in Kishoreganj rely heavily on traditional farming practices, but recent interventions by agricultural experts have introduced improved seeds and irrigation techniques, resulting in higher yields and better-quality onions.

Chapai Nawabganj Onion

Chapai Nawabganj, located in the northwestern part of Bangladesh, is famous for its premium-grade deshi onions. The onions from this region are characterized by their bright reddish hue and intense flavor, making them highly sought after in both local and international markets. Chapai Nawabganj onions are often used in preparing traditional dishes due to their distinct taste and aroma, which enhances the culinary experience.

Challenges in Onion Cultivation in Bangladesh

Despite being a significant crop, onion cultivation in Bangladesh faces numerous challenges. One of the primary issues is the lack of proper storage facilities. Onions are highly perishable, and the absence of adequate cold storage infrastructure often leads to significant post-harvest losses. Farmers are compelled to sell their produce immediately after harvest, which sometimes results in low profits due to market saturation.

Another challenge is the vulnerability of onion crops to adverse weather conditions. Floods during the monsoon season and droughts during the dry season can severely impact yield. Additionally, pest infestations and diseases like purple blotch and stemphylium blight pose threats to onion production.

To mitigate these issues, the government has been implementing measures such as subsidized fertilizers, pest control programs, and farmer training initiatives. Research institutions are also developing high-yield and disease-resistant onion varieties to ensure a steady supply of deshi onions.

Economic Significance of Deshi Onions

Deshi onions play a crucial role in Bangladesh's economy. The onion market generates employment for thousands of people, including farmers, laborers, and traders. The export potential of Bangladeshi onions is also growing, particularly in Middle Eastern and Southeast Asian countries where the demand for high-quality onions is substantial.

However, to fully capitalize on this potential, Bangladesh needs to address the challenges of inconsistent supply and quality control. By investing in storage facilities, improving transportation infrastructure, and adopting modern farming techniques, the country can strengthen its position in the global onion market.

Cultural and Culinary Importance

In addition to their economic significance, deshi onions are deeply ingrained in Bangladeshi culture and cuisine. They are an essential ingredient in most traditional dishes, imparting a distinct flavor that is hard to replicate. From the spicy "Piyaji" (onion fritters) to rich curries and lentil soups, onions are at the heart of Bangladeshi gastronomy.

During festivals like Eid and Pohela Boishakh, the demand for onions surges as households prepare elaborate feasts. The role of onions extends beyond their culinary use, as they are often used in traditional medicine to treat colds and improve digestion.

Future Prospects for Onion Cultivation

The future of onion cultivation in Bangladesh looks promising, provided the challenges are addressed effectively. The increasing adoption of modern farming practices, such as drip irrigation and high-yield hybrid seeds, is expected to boost productivity. Additionally, government initiatives to promote research and development in agriculture will likely lead to the introduction of more resilient and high-yield onion varieties.

Red Onions
Red Onions
Efforts to improve the supply chain, including better storage and transportation facilities, will help reduce post-harvest losses and ensure a steady market supply. Furthermore, promoting onion exports can open up new revenue streams for farmers and traders, contributing to the overall growth of the agricultural sector.

Conclusion

Deshi onions are more than just a crop in Bangladesh; they are a symbol of the country's agricultural prowess and cultural identity. The Rajshahi onion, Kishoreganj onion, and Chapai Nawabganj onion exemplify the diversity and quality of Bangladeshi agriculture. While challenges persist in onion cultivation, the concerted efforts of farmers, researchers, and policymakers are paving the way for a sustainable and prosperous future. By embracing modern techniques and infrastructure development, Bangladesh can not only meet its domestic demand but also emerge as a key player in the global onion market, ensuring that deshi onions continue to enrich kitchens and economies alike.

Varieties of Guava

 

fruits of Bangladesh

Guava: Guava belongs to the genus Psidium. This genus contains about 150 species. The genus Psidium guava is cultivated in our country.

Guava is native to tropical America. It has spread rapidly from Peru to Mexico. Currently, guava is cultivated in all tropical and subtropical regions. The most important producing countries are India, Mexico, Brazil, Pakistan, Sri Lanka, Bangladesh, Burma, Leyland, Malaysia, Indonesia, Hawaii, Philippines and Florida. The optimum growing temperature for guava is 23-28°C, but mature trees can tolerate up to 45°C.

Guava is the most important source of vitamin C and pectin. Guava contains 80-83% moisture, 2.45% acid, 3.5-4.45% reducing sugars, 3.97-5.23% non-reducing sugars, 9.73-14.23% TSS, 0.48% potassium and 260 mg vitamin C per 100 g of edible beverage (Rahim, 2008). However, the nutrient content varies depending on the variety, season, ripeness, etc. Guavas can be eaten either green or ripe. The fresh fruits are used in salads, puddings, etc. Guavas can be processed to make jams, jellies, juices, pickles, and ice cream. Tea can be made from guava leaves.

Guava is a medium-tall (2-10 m) tree with shallow roots. Flowers are borne singly or in umbels (groups of 2-3 flowers) from the leaf axils. Flowering lasts 25-45 days during the productive season. Flowers are hermaphroditic and are often air or insect pollinated. About 80-86% of flowers set fruit, but the initial abscission of the flower usually occurs so that only 50-60% of the fruits eventually mature. The immature fruits are green but turn yellow when ripe.

Temperature has a significant effect on flowering. High temperatures promote dehiscence of the flowers and fruit. Dry weather is preferable during flowering. Guavas grow well in moderate sun or partial shade. Flowering is strongest in summer and less in autumn, but may occur out of season (January-March) if irrigation conditions are good.

Rain is one of the most important factors for guava production. Ideally, 100 cm of rainfall is received throughout the year for guava cultivation. Guava can be grown in any type of soil, but loam to sandy loam soils that are well-drained and rich in organic matter perform best. For productivity, the soil must be well moist. The optimum pH is 4.2 to 8.2.

Propagation Guava can be propagated both sexually and asexually. Plants grown from seeds do not show maternal characteristics and fruiting is delayed. Vegetative propagation by mossing, grafting and budding is also possible without problems. To generate rhizomes, seeds must be collected from ripe fruits and sown in beds. It is better to grow seeds in plastic bags. Soaking the seeds in water for 2-3 days will speed up germination by almost a week.

Varieties There are many varieties around the world. And in our country you can find many varieties: small, large, round, elongated, oval, pear-shaped, with white or red flesh. A brief description of some varieties:

Kaji Piyara This variety was collected in Thailand around the 1980s and was called Kaji Piyara. The fruit is elongated, the flesh is crisp, slightly sour and tasty. The seeds are hard and numerous. The average fruit weight is 500g.


Saupukanti This variety is widely grown in Saupukanti area of ​​Barisal district. Medium sized tree, fruit oval to round, slightly rough surface. Flesh is white, very sweet and soft, few seeds.

`Kanchanagar This variety is grown in Kanchanagar area of ​​Chittagong district. It has fewer seeds compared to other varieties. The fruit is pear shaped, full of flesh and very tasty.

FTIP BAU Piyara 1 
(Misty) This variety was collected at the BAU campus. It is a semi-dwarf variety which bears regularly throughout the season. The fruit is round, shiny and very sweet with soft seeds. No diseases or pests were detected at the BAU Germplasm Centre (Rahim, 2008).

FTIP BAU Piyara 2 
(Ranga) Semi-dwarf, normally fruiting variety. Fruits are almost round to elliptical, yellowish green, red flesh, large (300-600g), crisp and sweet, rough surface, medium hard seeds. Popular with everyone due to red flesh and high yield.

FTIP BAU Piyara 3 
(Chaudhuri) Local collection. Fruits are round, greenish yellow, reddish pink flesh, medium crisp, sweet, soft seeds, few seeds. This variety is attractive, sweet and tasty. No diseases or pests were detected.

FTIP BAU Piyara 4 
(Apple) Fruit round to oval, glossy green, smooth surface, attractive, soft, sweet in taste, seeds medium hard. Fruit fly infestation. This variety is attractive, tasty and high yielding.

BAU Piyala 5

FTIP BAU Piyala 5 (Oval) Collected overseas. Fruits are round and dome-shaped, flesh is white, seeds are soft, crunchy, very sweet and aromatic. Plant spreads like an umbrella. Average fruit weight is 300.5g. No diseases or pests detected. Fruit is produced in both seasons.


FTIP BAU Piyala
(jelly) Origin: Hawaii. Jams and jellies are made from this variety due to its high pectin content. The flesh is bright red. Fruit size is 120-250g. Elongated attractive fruits, soft chewy seeds, very sour. No diseases or pests mentioned. Fruits are produced in both seasons.


Apart from these, other varieties like Mukandapuri, Angur, IPSA, BARI Piyra 2 and 3, Syedi, Allahabad, L-49, Cherry and Kashi are also cultivated in Bangladesh.

Cultivation Method: As with other fruits, plant before rainy season at seed size 75-100cm with spacing 4-5m. Hexagonal crystal system should be used. 25-30 kg of well decomposed cow dung should be added to each hole 3 weeks before planting. Urea, TSP, MP (100 g per pit) should also be given 1 week before planting. The best time to plant is during the rainy season, but plants in polythene bags can be planted any time of the year. After planting, the soil should be mounded up a little around the base of the plant to prevent water retention. After planting, support and protection are essential. Depending on the age of the plant, the amount of fertilizer and fertilizer should increase.

Deshi Onion: A Culinary Treasure of Bangladesh

  Sree Lankan Onion Deshi onions , a staple ingredient in Bangladeshi cuisine, hold a significant place in the country's agricultural ec...