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MAJOR DISEASES OF PADDY

द्वारा प्रकाशित किया गया था BigHaat Agronomy Team पर

Paddy is one of the three most important food crops in the world and it is the staple food for over 2.7 billion people. It is grown in almost all the states of India. West Bengal, Uttar Pradesh, Madhya Pradesh, Bihar, Orissa, Andhra Pradesh, Assam, Tamilnadu, Kerala, Punjab, Maharashtra and Karnataka are major rice growing states and contribute to total 92% of area and production.
Major diseases of Paddy are as follows:
  1. Rice Blast:

Rice Blast is a fungal disease caused by Pyricularia oryzae. This disease can infect paddy at all growth stages and all aerial parts of plant (Leaf, neck and node).

Symptoms:
The disease infects all parts of the plant except roots but the severity is high on leaves, nodes and panicles (neck). In infected nodes, irregular black areas encircle the nodes breaking up all the plant parts above the infected nodes. In neck blast, fungus attacks the peduncle during the flower emergence stage and the lesions turns to brownish black resulting in poor or low grain filling.

Chemical management of Rice Blast:
Sl. No. Technical name Product name
1. Carbendazim 12% + Mancozeb 63% WP Upl Saaf Fungicide
2. Tebuconazole + Trifloxystrobin 75 WG(50% +25% w/w) Bayer Nativo Fungicide
3. Hexaconazole 5 % EC Contaf Fungicide
4. 250g/l Azoxystrobin Amistar Fungicide
5. Propiconazole 25 % EC Crystal Tilt Fungicide
6. Tricyclazole 18 % + Mancozeb 62 % WP Merger Fungicide
7. Fluopyram 17.7%+ Tebuconazole17.7% w/w SC (400 SC) Luna Experience Fungicide
8. Kasugamacyin 3% SL Dhanuka Kasu-B Bactericide
9. Tricyclazole 75% WP Rallis Mantis 75 Wp Fungicide,   Indofil Baan Fungicide, Beam Fungicide
10.  Isoprothiolane 40 % EC Fujione Fungicide
11. Thiophanate methyl 50%WP Buddi Fungicide
 
Biological management of Rice Blast:
Sl. No. Technical name Product name
1. Trichoderma viride Treat Bio FungicideSanjeevni (Trichoderma Viride) Bio Fungicide,Anand Dr Bacto's Dermus (Bio Fungicide) 
2.  Pseudomonas fluorescens Ecomonas (Pseudomonas Flourescens)- Biopesticide,Anand Dr Bacto's Fluro (Bio Fungicide),Bactvipe (Pseudomonas Fluorescens) Bio Fungicide
3. Trichoderma Viridae 1% WP and Trichoderma harzianum Multiplex Nisarga (Trichoderma Viride) Bio Fungicide Powder,Multiplex Nisarga (Trichoderma Viride) Bio Fungicide Liquid
4. Nano Colloidal Micelles 100% Agrokill (A Herbal Nanotechnology Based Smart Crop Protector)
5. Neem Oil extracts (Azadirachtin) Neemol (10000 Ppm) Bio Neem Oil Insecticide निमॉल (१०००० पि पि एम )
6. Pseudomonas fluorescence & Bacillus subtilis Multiplex Bio-Jodi Fungicide
7. Bacillus subtilis  Mildown (Bacillus Subtilis) Bio Fungicide,Anand Dr Bacto's Bactus (Bio Fungicide For Downey Mildew) 

 

2. Sheath Blight: 

Sheath Blight is a fungal disease caused by Rhizoctonia solani. The disease is more prominent at tillering to heading stage.

Symptoms:
Initially the symptoms can be seen on the sheaths nearer to the water level. Oval or irregular greenish to greyish spots are developed, later developing to bigger sized whitish grey spots surrounded by blackish brown or purple brown border. Heavily infected plants in the early heading and grain filling stages produce sterile or partially filled grains.

3.Sheath Rot: 

Sheath Rot is a fungal disease caused by Sarocladium oryzae. This is most damaging when it occurs at late booting stage and can cause severe damage.

Symptoms:

Black irregular spots or lesions can be seen on the outer leaf sheath near the water line. The affected tissues starts to rot and abundant sclerotia can be seen in the rotting tissues. This causes the culm to collapse and plants lodge.

Chemical management of Sheath Rot and Sheath Blight:
Sl. No. Technical name Product name
1. Hexaconazole 5 % SC Contaf Plus Fungicide,Contaf Fungicide
2. Propiconazole 25% EC Dhanuka Zerox Fungicide
3. Thiophanate Methyl 70% w/w Biostadt Roko Fungicide
4. Validamycin 3% L Sheathmar Fungicide

 

Biological management of Sheath Rot and Sheath Blight:

Sl. No. Technical name Product name
1. Pseudomonas fluorescens Ecomonas (Pseudomonas flourescens)- Biopesticide,Bactvipe (Pseudomonas Fluorescens) Bio Fungicide
2. Trichoderma Viridae 1% WP and Trichoderma harzianum Multiplex Nisarga (Trichoderma viride) Bio Fungicide Powder,Multiplex Nisarga (Trichoderma Viride) Bio Fungicide Liquid
3. Fluorescence Spp. Anand Dr Bacto's Fluro (Bio Fungicide)
4. Nano Colloidal Micelles 100% Agrokill (A Herbal Nanotechnology Based Smart Crop Protector)
5. Neem Oil extracts (Azadirachtin) Neemol (10000 Ppm) Bio Neem Oil Insecticide निमॉल (१०००० पि पि एम )
6. Trichoderma Viride Anand Dr Bacto's Dermus (Bio Fungicide),Sanjeevni (Trichoderma Viride) Bio Fungicide,Treat Bio Fungicide
7. Pseudomonas fluorescence & Bacillus subtilis Multiplex Bio-Jodi Fungicide
8. Bascillus Subtilis Spp Anand Dr Bacto's Bactus (Bio Fungicide For Downey Mildew),Mildown (Bacillus Subtilis) Bio Fungicide
9. 100 ppm silver + 100 ppm copper Goklean fungicide/bactericide

 

4.Brown Spot : 

Brown Spot is a fungal disease caused by Helminthosporium oryzae. This can infect at all crop stages, but the infection is most critical from maximum tillering to ripening stages.

Symptoms:

This disease causes lesions on the coleoptile, leaf blade, leaf sheath and glumes, being most noticeable on the leaf blade and glumes. Initially it appears as minute brown dots, later it starts becoming cylindrical or oval to circular in shape. Several spots coalesce resulting in drying up of entire leaf.

Chemical management of Brown Spot of paddy:
Sl. No. Technical name Product name
1. Hexaconazole 5 % SC Contaf Plus, Contaf
2. Propiconazole 25% EC Zerox
3. Thiophanate Methyl 70% w/w Biostadt roko
4. Azoxystrobin 11% + Tebuconazole 18.3% w/w SC Custodia
5. Validamycin 3% L Sheathmar
 
Biological management of Brown Spot of paddy:
Sl. No. Technical name Product name
1. Trichoderma viride Treat,Sanjeevni,Anand Dr.Bactos Dermus
2. Pseudomonas fluorescens Ecomonas,Anand Dr Bacto's fluro,Bactvipe (Pseudomonas fluorescens) Bio fungicide
3. Trichoderma Viridae 1% WP and Trichoderma harzianum Multiplex nisarga 
4. Nano Colloidal Micelles 100% Agro-Kill
5. Neem Oil extracts (Azadirachtin)  Neemol
6. Pseudomonas fluorescence & Bacillus subtilis Multiplex bio-jodi
7. Bacillus subtilis 2% A.S Mildown (Bacillus subtilis) bio fungicide,Anand Dr Bacto's bactus (bio fungicide for downey mildew) 
8. 100 ppm silver + 100 ppm copper Goklean fungicide/bactericide
 

5.False Smut: 

False Smut is a fungal disease caused by Ustilaginoidea virens. Infection usually occurs during reproductive and ripening stages.

Symptoms:
Individual rice grain gets transformed into a mass of yellow fruiting bodies. Growth of velvety spores can be seen that enclose floral parts. Immature spores are slightly flattened, smooth, yellow, and covered by a membrane. Mature spores are orange in colour and turns yellowish green or greenish black.

Chemical management of False Smut of paddy
Sl. No. Technical name Product name
1. Trichoderma viride Ecoderma - Trichoderma viride- Biopesticide
2. Copper Oxychloride 50wp Blue copper fungicide
3. Metalaxyl 8% + Mancozeb 64%.(72% wp) Master fungicide
4. Cu-Copper edta 12% Neel Cu-Copper Edta 12%
5. Chlorothalonil 75% WP Kavach Fungicide

 

Biological management of False Smut of Paddy

Sl. No. Technical name Product name
1. Trichoderma Viride Ecoderma - Trichoderma viride- Biopesticide

 

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Aruna Murmu

 

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For more information kindly call on 8050797979 or give missed call on 180030002434 during office hours 10 AM to 5 PM

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Disclaimer: The performance of the product (s) is subject to usage as per manufacturer guidelines. Read enclosed leaflet of the product(s) carefully before use. The use of this product(s)/ information is at the discretion of user.


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