Symptoms and control measures of bacterial spot disease in tomato crops!

Symptoms and control measures of bacterial spot disease in tomato crops!

The bacterial spot of tomato is a devastating disease that can affect all parts of the tomato plant, including leaves, stems and fruit. Initially, roundworms appear in water-soaked circular areas on tomato leaves. Circular spots are generally dark brown to black on leaves and stems. The lesion takes a large size by joining together and the leaf turns yellow. On green fruits, the spots are usually small, raised and blister-like, as the fruit ripens, the spots enlarge and become brown and rough. Due to this, the quality of the fruit deteriorates.

Control Measures

To control this disease, take a spray of Dhanucop (Copper Oxychloride 50% WP) @ 1 kg + Silicomaxx Gold @ 50 ml per acre, @ 150 to 200 litres of water.

References – According to TNAU

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A new technique of irrigation, Which will use every drop of water in the fields

Drip irrigation
  • Water availability for the successful production of a good crop is an important factor. Due to the ever-increasing population and climate change, the water available in the ground is decreasing. 

  • due to which the production of crops is constantly decreasing. Drip irrigation was invented to solve this problem which has proved to be a boon for farmers.

  •  In this method, water is transported directly from plastic pipes’ sources to plants’ roots. It’s called fertigation. 

  • Saves 60-70% of water compared to other irrigation systems.

  • Drip irrigation helps plants to provide nutrients with greater efficiency.

  • Drip irrigation can prevent losses of water (due to evaporation and leakage).

  • Water in drip irrigation is given directly to the crop roots. Due to this, the surrounding soil becomes dry, and weeds cannot be grown.

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Why thinning is necessary in mustard crops, Know the benefits of thinning!

Why thinning is necessary in mustard crops
  • After 3-4 weeks of sowing, maintain the plant-to-plant distance at 10-15 cm, The removal of extra plants is called the process of thinning.

  • This action is done for more branching and healthy plant growth in the crops.

  • Due to this, there are fewer outbreaks of diseases and pests.

  • And the size of pods and grains is large.

  • Crops are not sown at the right distance from each other, and hence, need to be thinned.

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Powdery mildew problem and control measures in pea crop

Powdery mildew problem and control measures in pea crop

Symptoms of damage: Symptoms of powdery mildew disease appear as white powder on leaves, buds, twigs and flowers. Small spots of white colour arise on both the surface of the leaves and gradually spread on both the surface of the leaf. The sick leaves become hard and twisted. Due to excessive infection, they dry up and fall off.

Control measures: For control of this disease, spray Dhanustin (Carbendazim 50% WP) @ 100 gm or Wokovit (Sulfur 80% WDG) @ 1 kg + Silicomaxx Gold @ 50 ml per acre @ 150 to 200 litres of water.

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How to treat onion seedlings before transplanting

onion seedlings
  • For transplanting onion seedlings, select healthy seedlings, and transplant 12 to 14 cm tall or  5-6 weeks old seedlings after sowing in the nursery.

  • Sometimes it is ready for transplanting in 6-7  weeks depending on soil, climate and water availability.

  • Before transplanting, make a solution based on Rizocare (Trichoderma Viride 1.0% WP) @ 2.5 gm or Sprint (Carbendazim 25% + Mancozeb 50% WS) @ 3 gm per litre of water, and keep the plants in the solution for 10 minutes. Keep the root submerged.

  • Due to this, the crop can be saved from early-stage diseases like Damping off, and root rot.

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Measures for identification and prevention of choanephora blight disease in chilli crops

choanephora blight disease

The causative agent of this disease is Choanephora cucurbitarum, the fungus of the disease usually infects the upper part of the plant, flowers, leaves, new branches and fruits. In the initial stage, water-soaked areas develop on the leaf. The affected branch dries up and hangs. In severe infection, the fruits turn brown to black and a layer of fungus can be seen on the infected part.

Biological management

Apply Combat (Trichoderma viride @ 500 gm) or Monas Curb (Pseudomonas fluorescens 1% WP) @ 500 gm per acre.

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Measures for identification and prevention of Fusarium wilt disease in chilli crops

Fusarium wilt disease

Fusarium wilt is a common disease of the chilli crop. It is a seed and soil-borne disease. Affected plants suddenly wither and gradually dry up. Such plants are easily uprooted when pulled by hand. Due to Fusarium wilt, the roots of the diseased plants turn brown and black from the inside. When the diseased plants are cut, the tissue appears black. The leaves of the plants wither and fall down. This disease progresses due to excessive moisture and heat in the air and soil and due to the availability of moisture through irrigation.

Biological management

  • Apply Combat (Trichoderma viride @ 500 gm) or Monas Curb (Pseudomonas fluorescens 1% WP) @ 500 gm per acre.

According to TNAU  

Mix @ 2 kg  Combat (Trichoderma Viride) formulation with 50 kg FYM, sprinkle water over it and cover with a thin polythene sheet. After 15 days when mycelia growth is visible on the heap, apply the mixture in one acre area.

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Know why seed treatment is important in wheat crops

seed treatment in wheat
    • Seed Treatment protects plants from soil and seed-borne diseases like smut, and bunt disease.

    • This treatment also prevents the attack of root humus and keeps the crop healthy.

    • Seeds do not get spoiled, which leads to more seed germination.

    • Healthy plant growth occurs.

    • Cost is reduced and production is increased.

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Field preparation and nutrient management for okra

Nutrient management for okra

Land preparation

For good growth and root development of plants, it is necessary to have friable soil. After harvesting the previous crop, ploughing should be done with a soil turning plough and after that, FYM at the rate of 4 tonnes + Speed kompost @ 4 kg per acre should be applied evenly in the field. and apply 2-3 ploughing with the help of a harrow. If the soil moisture is less then first irrigate, then prepare the field, and lastly make the field level by rolling the levelar.

Nutrient Management

At the time of sowing or within 25 days of sowing, DAP 75 kg + MOP 30 kg + Tricoat Maxx  (Organic Carbon 3%, a mixture of humic, fulvic, organic nutrients) @ 4 kg + TB3 (Nitrogen Fixing, Phosphate solubilizing and Potassium mobilizing biofertilizer consortia) @ 3 Kg + Taba G (Zinc Soluble Bacteria) @ 4 Kg + Neem Cake 50 Kg + Agromin ((Zinc, Iron, Manganese, Copper, Boron & Molybdenum) @ 5 Kg + Magnesium Sulphate @ 5 kg, mix all these together and apply it evenly on per acre basis.

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Symptoms and prevention measures of Fusarium wilt / Uktha disease in gram crops

Fusarium wilt in gram crops

This is the most harmful fungal disease of Bengal gram, the disease can affect the crop at any stage. Its main symptom is yellowing and browning of the leaves from the bottom up and finally, the plants wither and dry up. When the stem is cut, the internal tissue appears brown, due to which nutrients and water do not reach all parts of the plant. And the plants start dying. The collar and root area appear dark brown or black in color when the plants are uprooted.

Preventive measures

To avoid this disease, at the time of sowing, it should be treated with Combat (Trichoderma viride 1.0% WP) 10 gm/kg seed and now for its prevention, Apply Combat (Trichoderma viride 1.0% WP) @ 1 kg per acre on the soil evenly and apply light irrigation.

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