Major diseases of paddy and their prevention. Major diseases in rice crop and their management – mssewb.org

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Major diseases in rice crop and their management, Paddy is a major crop of our country. largest area in the world Paddy farming Happens in India. But we are second in the world in paddy production. The production capacity per hectare in our country is much less than that of China.

  1. The first major reason for this is that our country is lagging behind in the technology of paddy production.
  2. Another major reason is the lack of proper management of pests and diseases in paddy.

So come on The Rural India Learn in this blog of- Major diseases of paddy and their preventionMajor diseases in rice crop and their management,

Khaira disease

This disease is caused due to the deficiency of zinc. In this, the leaves turn yellow, on which later brown spots appear.

rescue

20 kg of urea or 2.5 kg of 5 kg of zinc sulphate on paddy crop. Mix slaked lime with 800 liters of water and spray at the rate of per hectare.

whitewash

This disease is caused by the deficiency of iron element. This problem seems to be most common in nurseries. New leaves emerge white in color which burst like paper.

rescue

For its treatment, mix 5 kg of ferrous sulphate with 20 kg of urea or 2.50 kg of slaked lime in 800 liters of water and spray it 2-3 times per hectare at an interval of 5 days.

brown spot disease

Dark brown round or oval spots are formed on the leaves, the center of which becomes light brown with some yellowing, which is a characteristic symptom of the disease.

rescue

  1. Before sowing, treat the seed at the rate of 3 g Thiram per kg of seed.

  2. Spray Mancozeb Indofil M-45 or Gerum 80 percent dissolved in 25 kg 800 liters of water on the standing crop at the rate of per hectare.

whooping cough

Eye-shaped spots are formed on the leaves which are ash colored in the seed and dark brown in color at the edges. Plants break on spikes, petioles, flowering branches and nodes. The earrings become white in color after drying.


rescue

  1. Treat the seed with 2.5 g Thiram or 1.5 g Carbendazim per kg of seed.

  2. In the standing crop, dissolve Carbendazim 1 kg or Ziram 2 kg or Mancozeb 2 kg or Hinosan 1 kg in 800 liters of water and spray it 2-3 times per hectare at an interval of 10-12 days.

bacterial blight

It is a disease caused by bacteria. In the beginning of this disease, usually the leaves start drying from the upper end or from the edge. The dried edges are irregular and crooked.


rescue

  1. Before sowing, do seed treatment with the above method.

  2. As soon as the symptoms of the disease appear, after taking out the Sambhar water, mix 15 grams of streptocycline and 500 grams of copper oxychloride in 800 liters of water and sprinkle it twice at the rate of per hectare.

  3. If the symptoms of the disease are visible, then the topdressing of nitrogen should be stopped.

false croup disease

The outbreak of this disease occurs along with the emergence of paddy ear. In this, a black and green mass of fungal particles is formed in place of grains. Ripe grains are also affected and get destroyed.


rescue

  1. Collect diseased earrings and burn them.

  2. Sow only healthy and treated seeds.

  3. Spray Carbendazim 1 kg dissolved in 800 liters of water at the time of ear budding at the rate of per hectare twice at an interval of 7 days.

leaf wrap

The exudate of this insect is harmful. These caterpillars are elongated with yellowish green colored body and dark brown colored head. The identification of the outbreak of this pest is that many twisted leaves start appearing in the field. The infested leaves look shriveled and dry.

rescue

  1. Use balanced fertilizer.

  2. Protect natural enemies.

  3. Profenphos / 1 liter per hectare when one to two infected leaves appear per day. C. or Cunaluphas 25 E.C. Dissolve in 1.5 liters of water and spray at the rate of per hectare.

stem borer

Only the larvae of this insect are harmful. As a result of its attack, dead cabbage is formed in the vegetative stage and white ear is formed after the outbreak.

rescue

1. Deep plowing should be done in summer.

2. The upper leaves of the plant should be cut before transplanting.

3. Balanced fertilizer should be used.

4. Natural enemy Trichogramma at the rate of 50 thousand per hectare should be left every week for 6 weeks after 30 days of transplanting.

stink bug insect

The adult form of this insect is cylindrical and slightly greenish brown in colour. The adult insect emits a pungent odor. The nymphs and adults suck the juice in the milky stage of the ear, as a result of which the ear remains empty and small spots appear in them.

rescue

1. Sporadic transplanting/sowing should be avoided as far as possible.

2. Keep the field free from weeds.

3. Spray Quinalphos 1.5 or Crathion 2% dust at the rate of 25 kg per hectare on average 2-3 insects/hill after flowering in the morning and evening when the wind is low.

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