SKU: 59561228785
bacillus subtilis garden spray

bacillus subtilis garden spray Krishikranti Bacillus Subtilis Bio Fungicide

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Description

bacillus subtilis garden spray Krishikranti Bacillus Subtilis Bio FungicideKrishikranti Bacillus Subtilis is a broad spectrum bio fungicide that controls both foliar and soil borne diseases powdery mildew, downy mildew, early blight, anthracnose, bacterial wilt, sheath blight, and botrytis in grapes, tomato, chilli, paddy, cotton, vegetables, and fruit crops. Used as foliar spray, seed treatment, soil application, or drenching. Residue free and safe for organic farming. What Krishikranti Bacillus Subtilis Controls Bacillus

Krishikranti Bacillus Subtilis  is a broad-spectrum bio fungicide that controls both foliar and soil-borne diseases  powdery mildew, downy mildew, early blight, anthracnose, bacterial wilt, sheath blight, and botrytis  in grapes, tomato, chilli, paddy, cotton, vegetables, and fruit crops. Used as foliar spray, seed treatment, soil application, or drenching. Residue-free and safe for organic farming.

What Krishikranti Bacillus Subtilis Controls

Bacillus subtilis is unique among bio fungicides  it works on both fungal and bacterial diseases, and it can be sprayed directly on leaves, fruits, and flowers (unlike soil-only biologicals). It produces natural antibiotics (lipopeptides) that disrupt pathogen cell walls and forms a protective biofilm on plant surfaces.

Foliar Diseases Controlled

  • Powdery mildew in grapes, cucurbits, mango, peas
  • Downy mildew in grapes, cucumber, onion
  • Early blight and late blight in tomato, potato
  • Anthracnose in chilli, mango, banana
  • Botrytis (gray mold) in grapes, strawberry
  • Sheath blight and blast in paddy
  • Scab in apple
  • Sigatoka leaf spot in banana

Soil-Borne & Bacterial Diseases Controlled

  • Bacterial wilt in tomato, brinjal, potato, ginger
  • Bacterial leaf blight in paddy
  • Fusarium wilt in cotton, banana, gram
  • Damping off in vegetable nurseries
  • Root rot, collar rot, stem rot
  • Rhizome rot in ginger, turmeric

Browse the full Bio Fungicides Collection, Wilt Control Solutions, or Organic Fungicide Range.

Crop-Wise Dose & Application Chart

Crop Disease Controlled Method Dose
Grapes Powdery mildew, downy mildew, botrytis Foliar spray 2.5–5 g/L water; 500–750 g/acre
Tomato Early blight, late blight, bacterial wilt Foliar spray + Soil drench 3–5 g/L water; 5 g/L drench
Chilli Anthracnose, leaf spot, wilt Foliar spray 2.5–4 g/L water
Brinjal Bacterial wilt, leaf spot Soil drench + Foliar 5 g/L (drench); 3 g/L (spray)
Paddy Sheath blight, blast, bacterial leaf blight Foliar spray 4–5 g/L water; 750 g/acre
Cucumber, Cucurbits Powdery mildew, downy mildew Foliar spray 2.5–3 g/L water
Mango Powdery mildew, anthracnose Foliar spray 3–5 g/L water
Banana Panama wilt, sigatoka, anthracnose Soil + Foliar 50 g/plant (soil); 3 g/L (spray)
Onion Purple blotch, downy mildew Foliar spray 3 g/L water
Potato Early blight, late blight, bacterial wilt Foliar spray + Soil 4 g/L water; 2.5 kg/acre + FYM
Cotton Boll rot, leaf spot, wilt Foliar + Soil 3–5 g/L water; 2.5 kg/acre
Strawberry Botrytis, leaf spot, root rot Foliar spray 2.5–3 g/L water
Apple Scab, fire blight, powdery mildew Foliar spray 3–5 g/L water
Ginger, Turmeric Rhizome rot, soft rot, leaf spot Soil drench + Rhizome dip 5 g/L water

How to Apply Bacillus Subtilis

1. Foliar Spray

Use 2.5–5 g per litre of water. Spray during cool hours  early morning or late evening. Cover both upper and lower leaf surfaces. Repeat at 7–10 day intervals during disease-favorable weather. Avoid spraying in direct sunlight.

2. Seed Treatment

Use 5–10 g per kg of seed. Make a slurry with water, coat seeds evenly, dry in shade, and sow within 24 hours.

3. Soil Application

Mix 2.5 kg per acre with 50–100 kg of well-decomposed FYM or vermicompost. Keep moist for 5–7 days, then broadcast at sowing or transplanting. Best for fields with bacterial wilt or fusarium wilt history.

4. Drenching (For Bacterial Wilt & Soil Diseases)

Dissolve 5 g per litre of water. Drench the root zone of affected and surrounding plants. Repeat after 10–15 days if disease pressure persists.

5. Seedling Root Dip

Dissolve 10 g per litre of water. Dip seedling roots for 20–30 minutes before transplanting.

Quick Dose Reference: Foliar Spray: 2.5–5 g/L • Seed: 5–10 g/kg • Soil: 2.5 kg/acre + FYM • Drench: 5 g/L • Root Dip: 10 g/L

When to Use

  • Preventive: Start sprays 7–10 days before disease onset (based on weather forecast and crop history)
  • At early symptoms: First spotting of mildew, leaf spot, or wilting
  • During humid/cloudy weather: When fungal and bacterial diseases spread fastest
  • Before flowering and fruit setting: Critical for grapes, tomato, chilli, mango
  • Throughout the crop cycle: As part of IPM and organic spray programs

How It Works

Bacillus subtilis works through four mechanisms:

  • Antibiotic production: Releases iturin, surfactin, and fengycin  natural lipopeptides that rupture pathogen cell membranes
  • Biofilm formation: Coats leaf and root surfaces, physically blocking pathogen entry
  • Induced systemic resistance (ISR): Triggers the plant's own immune response
  • Competition: Outcompetes pathogens for nutrients and space

Unlike Trichoderma (which is a fungus and works mostly in soil), Bacillus subtilis is a bacterium that survives well on leaf surfaces  making it the go-to biological for spray-based disease management.

 Compatibility Note: Do NOT mix Bacillus subtilis with copper-based fungicides (copper oxychloride, copper hydroxide), streptocycline, or strong chemical fungicides these kill the live bacteria. Maintain a gap of 7–10 days between Bacillus subtilis and any chemical bactericide or copper spray. Compatible with neem oil, biofertilizers, FYM, and most organic inputs.

Why Farmers Choose Krishikranti Bacillus Subtilis

  • Dual action: One product controls both fungal and bacterial diseases  rare in biologicals
  • Sprayable biological: Works on leaves, fruits, and flowers  not just soil
  • Residue-free: Zero pre-harvest interval; safe for grapes, mango, and other export crops
  • Resistance management: Excellent rotation partner for chemical fungicides  slows pathogen resistance
  • Heat-stable formulation: Spore-based  survives field conditions better than liquid biologicals
  • Powdery mildew specialist: One of the most effective biological options for grape and cucurbit growers
  • Organic certified: Approved for organic and natural farming systems

Frequently Asked Questions

Q. What is Bacillus subtilis used for? Bacillus subtilis is a bio fungicide used to control both fungal and bacterial diseases in crops — including powdery mildew, downy mildew, early blight, late blight, anthracnose, bacterial wilt, sheath blight, and botrytis.
Q. What is the dose of Bacillus subtilis for foliar spray? Use 2.5–5 g per litre of water for foliar spraying, or about 500–750 g per acre depending on crop and disease pressure.
Q. Can Bacillus subtilis control powdery mildew in grapes? Yes. Bacillus subtilis is one of the most effective biological options against powdery mildew in grapes. Spray 2.5–5 g per litre of water at 7–10 day intervals during disease-favorable weather.
Q. Can Bacillus subtilis control bacterial wilt? Yes. Unlike most biological fungicides, Bacillus subtilis is effective against bacterial diseases including bacterial wilt in tomato, brinjal, potato, and ginger. Apply as soil drench at 5 g per litre of water.
Q. What is the difference between Bacillus subtilis and Trichoderma viride? Bacillus subtilis is a bacterium that works on both foliar and soil diseases and controls bacterial pathogens. Trichoderma viride is a fungus that works mainly on soil-borne fungal diseases. They complement each other  many farmers use both.
Q. Can Bacillus subtilis be mixed with chemical fungicides? No. Avoid mixing with copper-based fungicides, streptocycline, or strong chemical fungicides — these kill the live bacteria. Maintain a 7–10 day gap before or after such applications.
Q. Is Bacillus subtilis safe for grapes and export crops? Yes. It is residue-free, has zero pre-harvest interval, and is approved for organic and export-grade crop production.
Q. When should Bacillus subtilis be sprayed? Spray during cool hours early morning or late evening. Avoid direct sunlight. Start preventively, 7–10 days before expected disease onset, and repeat at 7–10 day intervals.
Q. Can Bacillus subtilis be used in organic farming? Yes. It is approved for organic crop production and is widely used in IPM, integrated organic, and natural farming systems.
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