Fungicides for Tomato, Capsicum, Cucurbits

Active Ingredient Product Disease Affected FRAC Notes
With below 5 products many diseases are kept out (protective), when sprayed at suitable intervals (5 to 10 days) or interval with other products. Spray short after rain (use adherent-sticker)
These products are known to low resistance risk. Use according to FRAC group and disease pressure
captan Antracnose, leaf spots, Early Blight (Alternaria), Late Blight (Phytophtora), Rhizoctonia, Pythium, Botrytis, Black spot, Sclerotinia M04 protective, curative, non-systemic. Together with Trichoderma viride more effective 1-2gr/ltr Non toxic to environment.
Copper (sulphate, oxicloride, hydroxide) Bacterial Spot (Xantosoma-Pseudomonas) . Cercospora, Antracnose (Colletotrichium), Early bligh (Alternaria), Late Blight (Phytophtora) Pythium. Septoria. Leaf mold M01 protective, non-systemic Can be used in combination with mancozeb 1 to 2 gr/ltr Non toxic to environment, but affects aerthworms at high dose.
maneb - mancozeb Antracnose, Early blight (Alternaria), Septoria, Cercospora. Downy mildew. Phytophthora (late blight). Leaf mold, Sclerotinia (White Mold) M03 protective, non-systemic 1.5-2kg/ha, 1-2gr/ltr. 5 days PHI Non toxic to environment. Is use in many a combination with other products. Causes reduced growth of new sprouts.
zinc, dithiocarbamate zineb, Thiram Ziram Leaf spots (e.g. Cercospora, Septoria), downy mildew, Anthracnose (Colletotrichium), Early Blight (Alternaria), Late Blight (Phytophthora), Botrytis M03 In combination with mancozeb 1 to 2 gr/ltr Avtar 1000-1250gr/ha Non toxic to environment
sulphur Powdery Mildew, Anthracnose (Colletotrichium), Alternaria, Phomopsis. Repellent for mites. M02 in combination with mancozeb 1 to 2 gr/ltr Non toxic to environment. REI dry-up. PHI 7days
sulphur Powdery Mildew, Anthracnose (Colletotrichium), Alternaria, Phomopsis. Repellent for mites. M02 in combination with mancozeb 1 to 2 gr/ltr Non toxic to environment. REI dry-up. PHI 7days


The following products are more disease specific. Alternate FRAC groups to avoid resistance

clorothalonil Kavach, Bravo Early Blight(Alternaria),Anthracnose(Colletotrichium), Septoria, leaf mold, Cercospora, Late Blight (Phytophthora), Downy Mildew, Sclerotinia blight, Stemphyllum M5 2-3ltr/ha early blight. Toxic to aquatic life and wildlife
metalaxil Ridomil late blight (Phytophtora), Downy Mildew, Pythium (drench), Sclerotorium 4 1 gr/ltr Systemic. Causes reduced growth of new sprouts. Together with clorothalonil or mancozeb.
famoxadone+cymoxanil Equation Pro Downy Mildew, late blight (Phytophtora), early blight (Alternaria) 11 + 27 400-500gr/ha. Dangerous for aquatic life.
kresoxim methyl (strobilurin) Ergon Early Blight (Alternaria) late blight (Phytophthora. Powdery Mildew, Downy Mildew, Anthracnose. QoL 11 800gr/season/acre 0.6 - 1.0gr/ltr Spray as soon as possible after infection takes place. PHI 30 days. Translaminar
dimethomorph Acrobat Late blight (Phytophthora) Early blight, Powdery Mildew, Downy Mildew FRAC 40 12 days PHI. 0.4-0.5ml/ltr systemic, preventive and anti sporulant. Spray in combination with mancozeb or clorothalonil.
azoxystrobin Amistar Early Blight (Alternaria) Late Blight, downy and powdery mildew, sclerotinia, sclerotia, rhizoctonia, antracnose, Stemphyllium Qol 11 1ltr/ha 3 x season. Very toxic quatic life. Mos translaminar and root up take compared to other strobilurins
pyraclosrobin Cabrio Top Sclerotia (southern blight), Early Blight, Septoria, Anthracnose, Phomopsis, powdery Qol 11 1ltr/ha 3 x season. Very toxic quatic life
boscalid Endura. Signum and Pristine incl pyraclostrobin Sclerotinia, Sclerotia, Anti virus, botrytis, alternaria downy and powdery mildew, Anthracnose 7 500-900gr a.i/acre season. Interval 1-3 weeks. PHI 0-30 days. Not dangerous for environment
acibenzolar S methyl Actiguard Bacterial wilt (Ralstonia), Bacterial spot (Xantosomas, Pseudomonas), Downy Powdery Mildew. Others p1 Salysilic pathway in creating self defense. 2 weekly. 0.2-0.7ml/ltr. No effect on environment
benzimidazole Benlate, Derosal (benomyl), Bavistsin (carbendazm) late blight (Phytophtora), sclerotinia. Verticillium Powdery Mildew. Leaf spots e.g. Cercospora. 1 High level of resistance forming. Mix with mancozeb.
methyl thiofanate Topsin, Roko Fusarium, Rhizoctonia 1 High level resistance forming. Mix with other fungicides. 1gr/ltr
streptomycin Bacterial wilt (Ralstonia) Bacterial spot (Xantosoma/ Pseudomonas) 25 Effect is not always confirmed 1ml/ltr
metiram+pyraclostrobin Cabrio Top Late and early blight, downy mildew, Phomopsis, Athracnose, cercospora, Alternaria, Septoria, M3,11QoL 1-2gr/ltr. Does not much affect enviroment
fenamidone 10% + mancozeb 50% Sectine, Secure grey leaf spot (Stemyphilium), Alternaria, Late Blight, Pythium, Downy 11QoL 2ml/ltr Translaminar, curative and anti sporulant
fenamidone+phosathyl Rohelus Phytophtora, Pythium, bacterial spot, downy, Phomopsis 11+33 2ml/ltr
4 Triazole products all in same group and cannot be used very frequently, to avoid resistance
difenaconazole Score Powdery mildew. Cercospora, alternaria. Athelia, Sclerotia (southern blight) 3 PHI 5days. Can be mixed with propiconazole 1ml/ltr
hexaconazole Contaf Powdery mildew, anthracnose, late blight, early blight, downy mildew & grey mildew Sclerotinia 3 2 ml/ltr Protective, curative and erradicative. Systemic. Mix with captan or trifloxystrobin
propiconazol 10% Tilt, Dhan cercospora, anthracnose, septoria, Early Blight (alternaria), rust, sclerotinia, rhizoctonia, puccinia 3 500ml/ha. Protective, curative and erradicative. Systemic
tebuconazole Folicur early blight (alternaria), powdery mildew, rhizoctonia, rust, scab, anthracnose, cercospora, grey leaf mold, sclerotinia sclerotorium, fusarium 3 1ltr/acre Attention water polution. systemic/translaminar
Biological
Trichoderma harzianum Pythium. Sclerotinia sclerotiorum (and other T. vars) improves when on organic carriers. 3-4 kg mixed into 20 kg organic matter for 1 acre. 50gr/100ltr for drenching 100m2
Trichoderma viride Fusarium solani 3-4 kg mixed into 20 kg organic matter for 1 acre. 50gr/100ltr for drenching 100m2
Bacillus subtilis (different strains) Sclerotinia sclerotiorum Bacterial wilt (Ralstonia) Pyhtium, Fusarium, Rhizoctonia, bacterial leaf spot Together with Pseudomonas fluorescens effective against Fusarium solani
Pseudomonas fluorescens Sclerotinia sclerotiorum Bacterial wilt (Ralstonia) Together with Bacillus subtilis effective agains Fusarium solani. Also a growth stimulant
Aspergillus nematicidal mix with organic matter and store at cool place for a week
Peaecylomicus nematicidal
Azospirilum N-fixing, improves uptake, overcomes environmental stress, disease control
Mycorrhiza (VAM) Reducing nematode infestation
Phosphorus solubilizing bacteria Improves P uptake
Ortho silicic acid Improves soil
Triacontanol Hormonal stimulant
Rhizobium Symbiotic N fixing
Azotobacter N fixing
Humic acid, fluvic acid, amino acid, and others Growth stimulus, root development
Sea weed Hormone stimulus
auxines BASF Kelp foliar Auxines, cytokinines, amino acids, etc
Salicylic acid (SA), a naturally occurring plant hormone, acts as an important signaling molecule and enhances tolerance of treated plants against biotic stresses (Khan et al., 2012). Salicylic acid also has a vital role in plant growth, ion uptake, and nutrient transport within the plant
Plants with repellent effect on insects or diseases
marigold (Tagetes erecta), kaner (Dalium sp), lat jeera (Achyranthus aspera), Aak (Calotropis procera), jarayan (Lantana camera), citronella (Cymbopogon nardus), keweda (Pandanus oderatissima), lemon grass (Cymbopogos flexuasis), tulsi (Ocimum sanctum), laxmana (Solanum indicum), mahendi (Lawsonia inermis), mulatti (Glycyrrhiza glabra), union (Allium cepa), garlic (Allium sativum), tumeric (Curcuma domestica) neem (Azadarachte indica), babool (Acacia nilotica), vilayati babool (Prosopis juliaflora)