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Willowood WilBond: Biostimulant & Growth Promoter Guide

Willowood WilBond (Bond) is an advanced plant biostimulant and growth promoter formulated with natural phytosterols and brassinosteroid-type plant growth factors (Beta-Sitosterol & Stigmasterol 0.05% DF). It enhances seed germination, stimulates deep root elongation, increases flowering, and reduces flower and fruit drop across agricultural crops.

Last reviewed: 10 November 2026

Active composition and physiological mode of action

WilBond is formulated with purified natural phytosterols including Beta-Sitosterol and Stigmasterol at 0.05% DF (dry flowable).

Phytosterols are structural components of plant cell membranes that regulate membrane fluidity, activate membrane-bound ATPase enzymes, and trigger cell division. This hormonal stimulation accelerates root branching, pollen tube elongation, and vegetative vigor under field conditions.

  • Active composition: Beta-Sitosterol & Stigmasterol 0.05% DF with built-in adjuvant carriers.
  • Cell membrane stabilization: Maintains membrane integrity, helping plants endure abiotic environmental stresses like drought and heat.
  • Auxin and cytokinin synergy: Stimulates endogenous plant hormones, promoting lateral root branching and reproductive bud differentiation.

Target crops and optimal growth stage application

WilBond is applied across commercial vegetables, field crops, oilseeds, pulses, and perennial fruit orchards.

Applying prior to flowering and during early fruit formation maximizes productive flower retention and uniform fruit sizing.

  • Vegetables (Chilli, Tomato, Capsicum): Reduces flower drop, stimulates continuous flowering, and improves fruit luster.
  • Cotton: Applied during square initiation and peak boll formation to reduce square shedding.
  • Pulses (Soybean, Chickpea, Pigeon Pea): Enhances pod setting, seed filling, and grain test weight.
  • Horticulture (Pomegranate, Grapes, Citrus): Improves uniform fruit sizing, rind finish, and post-harvest quality.

Application methods, dilution, and tank compatibility

WilBond dissolves readily in water and can be applied as a foliar spray or used for seed treatment and seedling root dipping.

Ensure uniform foliar wetting during early morning or late afternoon hours, strictly following container label recommended dilution rates.

  • Foliar spray: Uniform canopy coverage applied at vegetative and flowering initiation stages.
  • Seed treatment: Coating seeds before sowing improves germination energy and uniform seedling emergence.
  • Tank compatibility: Compatible with most standard fungicides, insecticides, and water-soluble foliar fertilizers.

Official source

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Department of Agriculture and Farmers Welfare ↗

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Common questions

What is Willowood WilBond used for in agriculture?

WilBond is a plant biostimulant used to stimulate root development, increase flowering, prevent flower/fruit drop, and enhance crop yields.

What are the active ingredients in WilBond?

It contains natural plant phytosterols (Beta-Sitosterol and Stigmasterol 0.05% DF) that regulate plant cell growth and stress resilience.

Can WilBond be tank-mixed with crop protection chemicals?

Yes, WilBond exhibits broad physical compatibility with common agricultural insecticides, fungicides, and foliar nutrients.

General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.

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