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Mulberry Silkworm in Maharashtra: From Planting to Selling

A practical, step-by-step guide for growers in Maharashtra covering mulberry plantation, silkworm rearing from eggs to cocoons, hygiene and disease control, plus harvesting and marketing.

Ranjeet Natarajan
Ranjeet Natarajan August 9, 2026 6 min read 1,151 words
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Mulberry Silkworm in Maharashtra: From Planting to Selling

Overview

This guide gives a practical, on-farm approach to mulberry cultivation and Bombyx mori (silkworm) rearing in Maharashtra. It covers site selection, planting, crop care, rearing house setup, egg-to-cocoon management, basic disease control and best practices for harvesting and marketing cocoons. Focus is on techniques that suit small to medium growers in the state.

Why mulberry and silkworms?

Mulberry farming integrated with silkworm rearing is a reliable option where land, labour and water are available. Mulberry leaves are the only commercial feed for the domesticated silkworm; good leaf quality and consistent supply directly influence cocoon yield and silk quality.

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Site selection and soil

Choose a site with:

  • Well-drained soils (sandy loam to clay loam are suitable).
  • Reliable water source for irrigation—mulberry needs steady moisture, especially in dry months.
  • Protection from strong winds; windbreaks help reduce leaf damage and water stress.
  • Good access to market and labour.

Varieties and planting material

Select locally recommended mulberry varieties. Some varieties are preferred for leaf yield, others for nutritive value for silkworms. Obtain disease-free saplings or rooted cuttings from certified nurseries.

Planting layout

  • Common layout: 1.5–2.5 m between rows and 1–1.5 m within rows depending on variety and cutting system.
  • Planting season: monsoon (June–July) is ideal for establishment; supplementary planting possible in early winter with irrigation.
  • Use pits sized 45x45x45 cm, fill with topsoil mixed with compost or well-rotted farmyard manure.

Cropping systems and pruning

Mulberry is harvested as leaf cuttings on an ongoing basis. Two common systems:

  • Leaf-cutting system: plants are maintained as bushes and pruned regularly for leaves.
  • Coppice system: stools are coppiced to produce shoots on a rotation suitable to local climate and labour availability.

Pruning schedule: light pruning every few months to maintain 6–8 main shoots. Heavier pruning at the end of dormant season to rejuvenate plants. Remove dead wood and diseased material.

Nutrition and irrigation

  • Apply well-rotted farmyard manure or compost at planting and as basal dressing yearly.
  • Top dress with nitrogen during active growth to boost leaf yield—split doses are better.
  • Irrigate frequently in hot, dry months to maintain leaf turgor; mulching reduces soil moisture loss.

Pest and disease management in the crop

Monitor regularly for common pests (leaf-eating caterpillars, aphids) and fungal issues during humid weather. Use integrated pest management (IPM):

  • Mechanical removal of severe infestations.
  • Encourage natural enemies (predators and parasitoids).
  • Use recommended pesticides judiciously and avoid spraying shortly before leaf harvest for silkworms.

Preparing for silkworm rearing

Plan your leaf calendar so fresh, clean leaves are available when you receive eggs or 1st-instar larvae. Establish a rearing room close to the plantation to shorten leaf transport time.

Rearing house: basics

Key features for a silkworm rearing house:

  • Cleanable floors and surfaces (cement or plastered floors are best).
  • Good ventilation without drafts; windows with insect mesh help keep pests out.
  • Ability to control temperature and humidity within practical limits—shade, roofing and ventilation adjustments are used.
  • Separate areas for quarantine, rearing, feeding and cocoon harvesting.

Eggs to larvae: fundamental steps

Receive eggs from a reliable source. Keep them in a cool, dry place until hatching if needed. Typical stages and care:

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  • Hatching: Maintain cleanliness. Place eggs on soft paper in incubator-like conditions if required by temperature.
  • First instar (chawki) stage: Very sensitive. Provide tender, pesticide-free leaves in small quantities frequently (every 2–3 hours initially). Keep temperature around 24–27°C and relative humidity moderate (70–85%).
  • Subsequent instars: Increase leaf quantity and frequency. Clean up uneaten leaves and droppings (frass) regularly to reduce disease risk. Avoid overcrowding; transfer to larger trays or racks as they grow.

Hygiene and disease prevention

Good hygiene is the single most important factor for success:

  • Disinfect rearing trays and tools between batches with approved disinfectants.
  • Remove and burn severely infected material; do not compost disease-ridden waste near the rearing house.
  • Isolate new batches and maintain strict entry rules—clean clothes, footbaths and limited access during sensitive periods.
  • Watch for signs of bacterial or viral infections: sudden die-offs, flaccid larvae, abnormal discharges. Early removal limits spread.

Environmental control

While small growers rarely have full climate control, you can manage microclimate:

  • Use shade nets or whitewash for roof to reduce heat in summer.
  • Ventilation at night helps reduce humidity-related fungal outbreaks; avoid direct drafts during the day.
  • Maintain consistent temperature and humidity to the extent possible—avoid sudden swings.

Pupation and cocoon formation

When larvae are fully grown (after 4–5 moults), stop feeding and provide suitable mountage for spinning (frames, sticks or rack systems). Minimal disturbance is critical during spinning—larvae move and attach themselves and then form cocoons over several days.

Harvesting cocoons

Harvest when cocoons are complete and pupation has started but before moth emergence. Signs: firm cocoon, slight decrease in larval movement. Harvesting timing matters to avoid cut cocoons from emerging moths.

  • Handle cocoons gently; avoid wetting them.
  • Sort cocoons by colour, size and defects. Separate pierced or damaged cocoons—these cannot produce good silk but may be sold for wild silk or feeding animals in some areas depending on market.
  • Drying: Air-dry in shaded, ventilated area or use low-temperature driers if available to reduce moisture to safe storage levels. Avoid direct sunlight which can damage silk quality.

Yield expectations and record-keeping

Yields vary with management, silkworm strain and leaf quality. Keep records of planting dates, fertiliser use, rearing batches, mortalities and cocoon counts. Good records reveal problems early and help improve productivity year-to-year.

Marketing and selling cocoons in Maharashtra

Channels and practical tips:

  • Cooperatives and common facility centres: Many growers sell through farmer coops or mulberry-silk grower societies for better prices and access to grading facilities.
  • Direct to buyers: Private silk reeling units buy fresh cocoons. Understand their grading norms and moisture requirements before delivery.
  • Dry and store properly: Buyers reject damp or mouldy cocoons. Sort and pack according to buyer specifications to avoid post-harvest disputes.
  • Timing: Align harvest schedules with market demand—peak purchase periods may fetch better prices. Communicate with local buyers in advance.

Pricing and negotiation tips

Prices fluctuate. Build relationships with multiple buyers and consider value-adding options (pre-sorted, graded batches). When negotiating:

  • Know your quality—HD (high-density), clean, and unpierced cocoons fetch better rates.
  • Offer consistent supply rather than one-off large quantities; buyers pay a premium for reliability.
  • Participate in local producer groups to improve bargaining power.

Common pitfalls and how to avoid them

  • Poor leaf quality: Avoid pesticide residues and late-season water stress. Feed fresh, tender leaves especially during early instars.
  • Poor hygiene: Regular cleaning and disinfection limits outbreaks that can wipe out entire batches.
  • Inadequate quarantine: New or suspect egg batches can introduce disease—always isolate and observe before mixing groups.
  • Uninformed selling: Know buyer specs to avoid rejections; keep samples for comparison.

Final advice

Start small, learn from each crop and gradually scale. Use local extension services and farmer groups for training in chawki rearing and disease diagnosis. With steady leaf supply, good hygiene and reliable market links, mulberry-silkworm farming can be a profitable farm enterprise in Maharashtra.

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Ranjeet Natarajan
Ranjeet Natarajan

Contributing writer at Agriculture Novel — telling the stories that sustain us.

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