Get rid of unwanted pests in your TOMATO field(septoria leaf spot)

Defoliation decreases yield by reduction of plant photosynthesis, reduced light interception, reduction of stored dry matter caused by leaf area loss and reduction of the filling period

Septoria leaf spot is caused by fungus,in recent years it is mostly distructive defoilage  disease  in tomato field it is mostly seen in areas like wet ,humid etc…

Septoria leaf spot in tomato

Symptoms

• Small, round to irregular spots with a grey center and dark margin on leaves Spots usually starts on lower leaves and gradually towards upwards  Spots can be combine  and appeared as  blighted  and Complete defoliation of leaves takes place
• In favourable conditions the disease can  spread gradually from leaves to branches and to stems in rare cases it can spread to fruit also

Favourable conditions

• Poor vigour of plants due to nutrient inadequacy or in late season
• High humidity or persistent dew at 250 C
• Moist weather with intermittent showers

Management

INTEGRATED  DISEASE MANAGEMENT

• Crop rotation with non hosts
• Destroy infected crop debris
• remove affected plants
• improve air circulation around the crop
• Do not allow water overhead
• Mulching practices should be fallowed

CHEMICAL CONTROL

SEED TREATMENT

• Mancozeb or zineb@2g/kg seed
• Spray zineb@0.2% or mancozeb@0.2% at 10 days interval

IN MAIN FIELD

• spraying of copper based fungicides and antibiotic

***వేరే రైతు సోదరులకు చేరవేయు**

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