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Paddy: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Insect / caterpillar

Stem borer & leaf folder

सुंडी / गोभ सूखना

How to spot it: The centre shoot dries (dead heart) and ears come out white and empty. Leaves are folded with white streaks.

★ Best medicine

Coragen (FMC)

Chlorantraniliprole 18.5% SC

5 ml

per 15 L tank

60 ml per acre

Also works: Ferterra granules (FMC)

Fungus / disease

Blast & sheath blight

झुलसा / गर्दन तोड़

How to spot it: Eye-shaped grey spots with brown edges on leaves. The neck of the ear turns black and breaks.

★ Best medicine

Nativo (Bayer)

Tebuconazole 50% + Trifloxystrobin 25% WG

6 g

per 15 L tank

80 g per acre

Also works: Beam (Tricyclazole 75% WP)

Sucking pest

Brown plant hopper (BPH)

माहू / गोल घेरे में सूखना

How to spot it: Plants dry in round patches (hopper burn). Brown hoppers sit at the base of the stems.

★ Best medicine

Chess (Syngenta)

Pymetrozine 50% WG

9 g

per 15 L tank

120 g per acre – spray at the base of plants

Also works: Pexalon (Corteva)

Tomato: common problems & best medicine

4 problems · dose is for one 15-litre tank

Change crop

Leaves curling in your Tomato crop? Use Maroor Tool

Distinguish Thrips vs Mites vs Viral curl & calculate exact tank mix and 3-step spray plan.

Open Maroor Diagnostic & Dose Calculator
Fungus / disease

Early & late blight

पत्तियों पर धब्बे / कालापन

How to spot it: Brown-black spots with rings on leaves. In cloudy weather leaves and stems turn black and dry fast.

★ Best medicine Sponsored

Ridomil Gold (Syngenta)

Metalaxyl-M 4% + Mancozeb 64% WG

30–40 g

per 15 L tank

Also works: Saaf (UPL)

Sucking pest

Tomato leaf curl virus & whitefly

मरोड़िया रोग / सफेद मक्खी

How to spot it: Leaves curl upwards and inwards, turn pale yellow, and shrink into tight clusters; flowering and fruiting ceases.

★ Best medicine

Pegasus (Syngenta)

Diafenthiuron 50% WP

20–25 g

per 15 L tank

250 g per acre

Also works: Lano (Sumitomo) or Confidor

Also do this:

Whiteflies transmit the virus. Install 25 yellow sticky traps per acre and spray Pegasus to halt transmission.

Chilli: common problems & best medicine

6 problems · dose is for one 15-litre tank

Change crop

Leaves curling in your Chilli crop? Use Maroor Tool

Distinguish Thrips vs Mites vs Viral curl & calculate exact tank mix and 3-step spray plan.

Open Maroor Diagnostic & Dose Calculator
Sucking pest

Thrips & upward leaf curl

चुरड़ा-मुरड़ा / कड़क पत्ती

How to spot it: Leaves curl upwards like a boat; leaves become small, brittle and rough with silvery scratches underneath.

★ Best medicine

Regent (Bayer)

Fipronil 5% SC

30–35 ml

per 15 L tank

400 ml per acre

Also works: Delegate (Spinetoram 11.7% SC) or Alika

Also do this:

Thrips hide under leaves. Spray in late evening with a non-ionic sticker to cover leaf undersides thoroughly.

Sucking pest

Yellow mites & downward leaf curl

मकड़ी मरोड़ / उल्टा चम्मच

How to spot it: Leaves curl downwards like an inverted cup or spoon; leaf stems stretch into rat-tails and flowers drop.

★ Best medicine

Oberon (Bayer)

Spiromesifen 22.9% SC

18–20 ml

per 15 L tank

200 ml per acre

Also works: Pegasus 50% WP or Omite 57% EC

Also do this:

Standard insecticides fail on mites. Use a specialized miticide like Oberon or wettable sulphur.

Sucking pest

Chilli leaf curl virus & whitefly

मरोड़िया वायरस / सफेद मक्खी

How to spot it: Veins thicken and turn yellow; leaves become small, puckered and twisted into tight clusters. Transmitted by whitefly.

★ Best medicine

Pegasus (Syngenta)

Diafenthiuron 50% WP

20–25 g

per 15 L tank

250 g per acre

Also works: Lano (Sumitomo) or Osheen

Also do this:

Control whitefly immediately with Pegasus, then spray Chelated Zinc 15g + Boron 15g per tank for new uncurled flush.

Potato: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Fungus / disease

Late blight

झुलसा / पत्ते काले पड़ना

How to spot it: Dark, water-soaked patches on leaf edges with white growth underneath in the morning. A whole field can blacken in a few days.

★ Best medicine

Ridomil Gold (Syngenta)

Metalaxyl-M 4% + Mancozeb 64% WG

30–40 g

per 15 L tank

Also works: Curzate M8 (Corteva)

Wheat: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Weed

Phalaris (little seed canary grass)

गेहूं का मामा / कनकी

How to spot it: A grass weed that looks like wheat but has a reddish base and lighter green leaves. Spray 30–35 days after sowing.

★ Best medicine

Topik (Syngenta)

Clodinafop-propargyl 15% WP

16 g

per 15 L tank

160 g per acre in 150 L water (flat-fan nozzle)

Lentil (Masoor): common problems & best medicine

5 problems · dose is for one 15-litre tank

Change crop
Fungus / disease

Fusarium wilt & root rot

जड़ सूखना / पौधा मुरझाना

How to spot it: Sudden drooping of top leaflets, leaves turn pale green to dull yellow, and plants wilt in patches. Stem xylem shows brown vascular discoloration.

★ Best medicine

Saaf (UPL)

Carbendazim 12% + Mancozeb 63% WP

35–40 g

per 15 L tank

Drench root zone or treat seed @ 2.5 g/kg seed

Also works: Bavistin (Carbendazim 50% WP) or Trichoderma viride

Also do this:

Never sow without seed treatment. Treat seed with Trichoderma (10 g/kg) or Saaf (2.5 g/kg) to prevent soil-borne wilt.

Fungus / disease

Rust (Gerua / Ratua)

पत्तियों पर तांबई-भूरे दाने

How to spot it: Small brown-orange pustules appear on leaves, stems and pods; severely infected leaves dry up and shed prematurely.

★ Best medicine

Tilt (Syngenta)

Propiconazole 25% EC

15–20 ml

per 15 L tank

200 ml per acre in 200 L water

Also works: Indofil M-45 (Mancozeb 75% WP)

Also do this:

Rust spreads rapidly during humid and cloudy weather. Spray Tilt at the very first appearance of pustules.

Insect / caterpillar

Pod borer

फली में सुंडी / कीड़ा

How to spot it: Caterpillars bore holes into developing green pods and eat the seeds inside.

★ Best medicine

Proclaim (Syngenta)

Emamectin benzoate 5% SG

8 g

per 15 L tank

80 g per acre

Also works: Coragen 18.5% SC (FMC)

Also do this:

Spray at early podding stage when tiny caterpillars first emerge. Repeat after 12 days if required.

Sucking pest

Black aphids (Mahu / Chepa)

फूलों पर काले कीड़े

How to spot it: Dense clusters of small black aphids suck sap from flowering shoots and young pods, stunting growth.

★ Best medicine

Rogor (FMC)

Dimethoate 30% EC

25–30 ml

per 15 L tank

300 ml per acre

Also works: Actara (Thiamethoxam 25% WG)

Also do this:

Spray in late afternoon to protect pollinating honeybees. Yellow sticky traps also help capture winged aphids.

Fungus / disease

Ascochyta blight & collar rot

पत्तियों पर गोल धब्बे / तना टूटना

How to spot it: Circular brown spots with darker margins on leaves and pods; cankers on stems cause branches to break.

★ Best medicine

Amistar Top (Syngenta)

Azoxystrobin 18.2% + Difenoconazole 11.4% SC

15 ml

per 15 L tank

200 ml per acre

Also works: Saaf (UPL) or Nativo (Bayer)

Cotton: common problems & best medicine

4 problems · dose is for one 15-litre tank

Change crop

Leaves curling in your Cotton crop? Use Maroor Tool

Distinguish Thrips vs Mites vs Viral curl & calculate exact tank mix and 3-step spray plan.

Open Maroor Diagnostic & Dose Calculator
Sucking pest

Cotton leaf curl virus (CLCuV)

कपास का मरोड़िया / माथा बंधना

How to spot it: Leaves curl upward, veins become thick with leafy outgrowths (enations) underneath; severe plant stunting and square drop.

★ Best medicine

Osheen (PI Industries)

Dinotefuran 20% SG

8–10 g

per 15 L tank

100 g per acre

Also works: Pegasus 50% WP or Sefina

Also do this:

Whitefly is the sole vector. Install 30 yellow sticky traps per acre and spray Dinotefuran to arrest disease spread.

Mango: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Sucking pest

Mango hopper

मधुआ / बौर झड़ना

How to spot it: Flowers (bour) dry and drop. Leaves get sticky with honeydew and turn black with sooty mould.

★ Best medicine

Confidor (Bayer)

Imidacloprid 17.8% SL

4–5 ml

per 15 L tank

Spray when the bour comes out, before flowers open

Banana: common problems & best medicine

2 problems · dose is for one 15-litre tank

Change crop
Fungus / disease

Sigatoka leaf spot

पत्ते किनारे से सूखना

How to spot it: Yellow streaks on leaves turn into brown-black spots, and leaves dry from the edges.

★ Best medicine

Tilt (Syngenta)

Propiconazole 25% EC

15 ml

per 15 L tank

Add a sticker; cut and burn badly spotted leaves

Sucking pest

Aphid & thrips

गुच्छा रोग / फल पर धब्बे

How to spot it: Aphids spread bunchy top virus (small, bunched-up leaves). Thrips leave rusty marks on the fruit skin.

★ Best medicine

Confidor (Bayer)

Imidacloprid 17.8% SL

4–5 ml

per 15 L tank

Uproot and destroy bunchy-top plants

Citrus / Kinnow: common problems & best medicine

2 problems · dose is for one 15-litre tank

Change crop
Insect / caterpillar

Leaf miner & citrus psylla

नई पत्तियों में टेढ़ी लकीरें

How to spot it: Silvery zig-zag lines inside young leaves, which curl. Psylla make new shoots dry.

★ Best medicine

Confidor (Bayer)

Imidacloprid 17.8% SL

4–5 ml

per 15 L tank

Spray when new leaves come out

Fungus / disease

Citrus canker

पत्तों व फलों पर खुरदरे धब्बे

How to spot it: Raised, corky brown spots with a yellow ring on leaves, twigs and fruits.

★ Best medicine

Blitox 50 (Rallis)

Copper oxychloride 50% WP

40–45 g

per 15 L tank

Prune and burn infected twigs first

Pomegranate: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Insect / caterpillar

Fruit borer (anar butterfly)

फल में छेद / बदबू से सड़ना

How to spot it: Holes in young fruits; the fruit rots inside with a bad smell and drops.

★ Best medicine

Coragen (FMC)

Chlorantraniliprole 18.5% SC

5 ml

per 15 L tank

Also cover young fruits with paper bags

Guava: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Nematode (root worm)

Root-knot nematode (guava wilt & decline)

जड़ों में गाँठें / पेड़ सूखना

How to spot it: Leaves turn yellow, then red-bronze, and the tree dries branch by branch. Dig out a feeder root: it has knots (galls) like beads.

★ Best medicine

Bio-Nematon (T. Stanes)

Purpureocillium (Paecilomyces) lilacinum 1% WP – bio

75 g

per 15 L tank

Drench 2–3 L of this mix around the root zone of each tree

Also works: Velum Prime (Bayer, Fluopyram)

Also do this:

Plant marigold (genda) between the guava rows and around each tree – its roots kill nematodes. French marigold (Tagetes patula) works best; after flowering, dig the plants into the soil. Give each tree 1–2 kg neem cake mixed with 10 kg compost and 100 g Trichoderma every 3–4 months. Buy nematode-free nursery plants and do not carry soil from infected fields. Use Velum Prime only for a severe attack, exactly as its label says.

Papaya: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop

Leaves curling in your Papaya crop? Use Maroor Tool

Distinguish Thrips vs Mites vs Viral curl & calculate exact tank mix and 3-step spray plan.

Open Maroor Diagnostic & Dose Calculator
Sucking pest

Ring spot & leaf curl virus

पत्ते सिकुड़ना / फल पर छल्ले

How to spot it: Leaves become patchy and shrink; ring marks on fruits. There is no cure – control the aphids and whiteflies that spread it.

★ Best medicine

Confidor (Bayer)

Imidacloprid 17.8% SL

4–5 ml

per 15 L tank

Uproot and destroy virus-hit plants

Fungus / disease

Stem & foot rot

तना सड़ना / पौधा गिरना

How to spot it: Water-soaked rotting patch on the stem near the soil; leaves droop and the plant falls.

★ Best medicine

Ridomil Gold (Syngenta)

Metalaxyl-M 4% + Mancozeb 64% WG

30–40 g

per 15 L tank

Pour around the stem base; do not let water stand

Grapes: common problems & best medicine

2 problems · dose is for one 15-litre tank

Change crop
Fungus / disease

Downy mildew

पत्तों पर पीले तेलिया धब्बे

How to spot it: Yellow oily spots on top of the leaves with white growth underneath; bunches dry.

★ Best medicine

Melody Duo (Bayer)

Iprovalicarb 5.5% + Propineb 61.25% WP

30 g

per 15 L tank

Also works: Ridomil Gold (Syngenta)

Fungus / disease

Powdery mildew

पत्तों व दानों पर सफ़ेद पाउडर

How to spot it: White-grey powder on leaves and berries; berries crack and stay small.

★ Best medicine

Thiovit Jet (Syngenta)

Sulphur 80% WG

25–30 g

per 15 L tank

Do not spray sulphur above 35 °C

Also works: Contaf Plus (Rallis)

Apple: common problems & best medicine

2 problems · dose is for one 15-litre tank

Change crop
Fungus / disease

Apple scab

पत्तों व फलों पर काले धब्बे

How to spot it: Olive-black velvety spots on leaves and fruits; fruits crack and get misshapen.

★ Best medicine

Indofil M-45 (Indofil)

Mancozeb 75% WP

45 g

per 15 L tank

Follow your state horticulture spray schedule

Also works: Score (Syngenta)

Ashwagandha: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Fungus / disease

Seedling rot & wilt

जड़ सड़ना

How to spot it: Young plants rot at the soil line and fall over; older plants wilt and dry.

★ Best medicine

Biocure-F (T. Stanes)

Trichoderma viride 1% WP

75 g

per 15 L tank

Pour at the root of each plant; also mix 1 kg in 100 kg compost per acre

Sucking pest

Mites & aphids

पत्ते मुड़ना / पीले पड़ना

How to spot it: Leaves curl, turn pale and speckled; tiny insects under the leaves.

★ Best medicine

Nimbecidine (T. Stanes)

Neem oil (Azadirachtin 0.03% EC)

45–60 ml

per 15 L tank

Organic – safe for herbal buyers; spray in the evening

Tulsi (Holy basil): common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Insect / caterpillar

Leaf roller & lace bug

पत्ते मुड़ना / जाली जैसे निशान

How to spot it: Leaves are rolled and eaten, or show pale net-like marks from lace bugs.

★ Best medicine

Nimbecidine (T. Stanes)

Neem oil (Azadirachtin 0.03% EC)

45–60 ml

per 15 L tank

Organic – safe for herbal buyers; spray in the evening

Also works: Bt (Bacillus thuringiensis) spray

Aloe vera: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Fungus / disease

Root & stem rot

पौधा पीला होकर गलना

How to spot it: Plants turn yellow and rot at the base, mostly where water stands.

★ Best medicine

Biocure-F (T. Stanes)

Trichoderma viride 1% WP

75 g

per 15 L tank

Pour at the root of each plant; also mix 1 kg in 100 kg compost per acre

Sucking pest

Mealybug & scale

पत्तों पर सफ़ेद रुई जैसे कीड़े

How to spot it: White cotton-like insects or small brown scales on the leaves.

★ Best medicine

Nimbecidine (T. Stanes)

Neem oil (Azadirachtin 0.03% EC)

45–60 ml

per 15 L tank

Organic – safe for herbal buyers; spray in the evening

Isabgol (Psyllium): common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Fungus / disease

Downy mildew

पत्तों पर पीले धब्बे, नीचे सफ़ेद फफूंद

How to spot it: Pale yellow patches on top of the leaves with greyish growth underneath; spikes stay small.

★ Best medicine

Indofil M-45 (Indofil)

Mancozeb 75% WP

30–40 g

per 15 L tank

Stop spraying 15 days before harvest

Sucking pest

Aphid

चिपचिपे पौधे

How to spot it: Tiny green insects on the spikes and leaves; plants turn sticky.

★ Best medicine

Nimbecidine (T. Stanes)

Neem oil (Azadirachtin 0.03% EC)

45–60 ml

per 15 L tank

Organic – safe for herbal buyers; spray in the evening

Also works: Confidor (Bayer) for heavy attack

Mint (Mentha): common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Insect / caterpillar

Hairy caterpillar & leaf roller

पत्ते खाना

How to spot it: Caterpillars eat the leaves, leaving only veins; leaves are rolled.

★ Best medicine

Nimbecidine (T. Stanes)

Neem oil (Azadirachtin 0.03% EC)

45–60 ml

per 15 L tank

Organic – safe for herbal buyers; spray in the evening

Also works: Bt (Bacillus thuringiensis) spray

Fungus / disease

Stolon & root rot

पौधे पीले होकर सूखना

How to spot it: Plants yellow and dry in patches; runners (stolons) turn black and rot.

★ Best medicine

Biocure-F (T. Stanes)

Trichoderma viride 1% WP

75 g

per 15 L tank

Pour at the root of each plant; also mix 1 kg in 100 kg compost per acre

Lemongrass: common problems & best medicine

2 problems · dose is for one 15-litre tank

Change crop

Stevia: common problems & best medicine

2 problems · dose is for one 15-litre tank

Change crop

Safed musli: common problems & best medicine

2 problems · dose is for one 15-litre tank

Change crop

Moringa (Drumstick): common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Insect / caterpillar

Hairy caterpillar

तने पर झुंड में सुंडियाँ

How to spot it: Groups of hairy caterpillars sit on the trunk by day and strip the leaves at night.

★ Best medicine

Nimbecidine (T. Stanes)

Neem oil (Azadirachtin 0.03% EC)

45–60 ml

per 15 L tank

Scrape off and destroy caterpillar groups on the trunk

Also works: Bt (Bacillus thuringiensis) spray

Amla (Indian gooseberry): common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Sucking pest

Mealybug & aphid

टहनियों पर सफ़ेद कीड़े

How to spot it: White cotton-like insects on new shoots and fruit stalks; shoots turn sticky and black.

★ Best medicine

Nimbecidine (T. Stanes)

Neem oil (Azadirachtin 0.03% EC)

45–60 ml

per 15 L tank

Organic – safe for herbal buyers; spray in the evening

Arjuna: common problems & best medicine

3 problems · dose is for one 15-litre tank

Change crop
Insect / caterpillar

Leaf-eating caterpillars

पत्ते छलनी होना

How to spot it: Caterpillars eat the leaves, leaving holes or only the veins on young trees.

★ Best medicine

Nimbecidine (T. Stanes)

Neem oil (Azadirachtin 0.03% EC)

45–60 ml

per 15 L tank

Organic – safe for bark buyers; spray in the evening

Also works: Bt (Bacillus thuringiensis) spray

Lentil (Masoor) problems & the best medicine

Problem not listed?

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Please note: These are common recommendations, not a diagnosis. Always read the label on the pack and follow its dose, wear gloves and a mask, and do not spray in strong wind. If you are not sure, ask your local Krishi Vigyan Kendra or agriculture officer.

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