Textiles Ministry Plans to Use Castor Plant for Silk Production

News Excerpt:

The Ministry of Textiles is set to launch a pilot project in Bihar, specifically in Bhagalpur, a key castor-producing district, to explore the use of castor plants as an alternative to traditional mulberry silk production.

  • The plan involves growing the insect Samia Ricini on castor leaves.

More About News

  • Silkworms typically feed on mulberry leaves, but the ministry hopes to shift them to castor leaves, which have medicinal properties.
  • The aim is to boost silk production and create more employment opportunities.
  • The textile ministry's pilot project will start in Bhagalpur and may extend to other castor-producing districts in Bihar, including Purnea, Munger, Saran, Champaran, and Muzaffarpur.
  • The success of this pilot could lead to a broader implementation across India, promoting castor as an alternative for silk production.

Castor Plant

  • The castor-oil plant (Ricinus communis) is a large member of the spurge family (Euphorbiaceae) cultivated for its oil.
  • Its oil has pharmaceutical and industrial applications, as well as for landscaping purposes.
  • Likely originating from tropical Africa, it is now widespread in warm regions globally.
  • The plant is primarily grown in India, China, and Brazil for castor oil production.
  • The seeds, rich in oil, contain ricin, a highly toxic substance that can be fatal if ingested.
  • In tropical areas, the plant can reach heights of 10 to 13 meters (30 to 40 feet).
  • In temperate regions, it is grown as an annual and can grow 1.5 to 2.5 meters (4.9 to 8 feet) in one season.

Silk Varieties

  • The country produces four types of natural silks which are used in various textiles and accessories:
    • Mulberry
    • Eri 
    • Tasar 
    • Muga
  • The silk produced from castor leaves, known as eri silk, is soft, warm, and durable, making it suitable for winter wear.
  • Seeds of Castor plants are used in medicine and lubricants, and their stems, which are used for making thatched roofs.

Significance of Pilot Project

  • Diversifying silk production to include eri silk could reduce dependence on mulberry silk and offer additional economic benefits to farmers due to the multiple uses of castor plants.
  • The initiative also aims to increase silk production to reduce reliance on imports.

Silk Production in India

  • India is the world's second-largest silk producer, with the sericulture industry employing around 9.2 million people in rural and semi-urban areas.
  • India's silk imports have consistently exceeded exports, driven by high demand for high-quality silk products that domestic production cannot meet.
  • India currently imports silk from Vietnam, China, Myanmar, Brazil, and Hong Kong, among others.

Challenges:

  • President of the Silk Association of India (SAI), expressed skepticism, stating that there has not been a successful case of producing silk from castor or other leaves.
  • Mulberry silk remains dominant due to its higher protein content, which is highly sought after.
  • Land costs and the traditional use of castor as a border crop to protect main crops may deter farmers from diversifying their crops.

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