Soybean crop is prone to outbreaks of white fly, black ladybug, stem borer fly, hairy caterpillar, green semi-annular caterpillar, tobacco caterpillar etc. Today we will talk about the identification, symptoms and prevention of tobacco caterpillar in soybean crop. Infestation of tobacco caterpillar can destroy up to 40 to 80 percent of the crop.
identification of pests
It is a polyphagous insect.
The larva of this insect does not have hairs.
These pests are light green in color and rapidly feed on the leaves.
Its large larvae are dark green to brown in color.
This type of insect has dark spots along the edge and two yellow stripes with triangle-shaped spots in the middle.
Tobacco caterpillars attack plants at night and hide in the soil during the day.
They eat the green matter by scraping the leaves.
Affected leaves turn yellow in color and small holes appear on the leaves.
After some time the leaves start falling and the plant becomes weak.
Sow the crop early. This reduces the risk of infestation of this pest.
If possible collect and destroy insect eggs.
It is necessary to control weeds in the field.
Plant sunflower, arbi and castor plants all around the field. This can reduce the incidence of tobacco caterpillar in soybean crop.
Use lights or pheromone traps to attract insects.
In case of pest infestation, spray 180 ml spinatorum 11.7 sc per acre of land. This medicine is available in the market under the names Delegate, Largo etc.
Apart from this, you can also spray Flubendiamide 39.35 percent per acre in 60-70 ml of water. This medicine is available in the market under the names Fem, Orizon etc.
You can also spray 300 grams Thiodicarb 75% WP which is available in the market under the name of Larvin of Bayer Company to avoid tobacco worm.
Apart from this, you can also use 50 ml activator along with 50 ml country cutter per acre of land.
Re-spraying can be done at 10 days interval as per requirement.
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