Acorn tunlam (scabworm) and measures to combat it
The Acorn nightshade or scabworm is a large butterfly (it goes up to 40 mm when writing its wings), the length of an adult worm goes up to 45 mm, the tusi are yellow to dark – green black. On the back and on both sides there is a sparse feathery path in black transverse wavy growths.
Their first-year-old worms injure the flower buds of the Acorn, young shoots on the tip of the plant. The worm infects large bulbs and flowers as it grows larger, falling on its middle and lower branches. Full-grown worms penetrate the cocoon through a hole and feed on pollen. Damaged flowers and nodules are shed, the immature breasts rot. One beetle damages 20 crop Shawns during its lifetime, including 2-3 cocoons. When combating it, experts give the following recommendations.
Measures to combat the scabworm:
Agrotechnical events. The ground requires autumn deep plowing, placing infested crops away from each other, processing the Acorn between rows, preventing the acorn from being over-watered and pitted.
Biological method: it is required to install 1 pheromone handle on every 2 hectares of acorns and to resist each generation of Pest from 1 gram to 400 points per hectare from a trichogram ovipositor 3-4 days after 2-3 butterflies per night fall on 1 handle. From the poachon entomophage against the middle and adult worms of the coachworm 1:20; 1:10; 1:5 in proportions, it is recommended to release in a 10x10m scheme, taking 4-5 days from 3 times against each generation of the pest. The release of 500 to 1,500 eggs per hectare from the 3-4 day egg of the Oltyncotic entomophage against small-aged worms and eggs of the coachworm also has a good effect.
Treatment with biopreparations: Bacillus thuringiensis var.thuringiensis, BA-3000 yea/ml stamp preparations are sprayed 2-times per 2/liter / day for 5-6 days against worms aged 1-3 years, during the growing season of the plant. Viral polyhedra, strain XS-17, Acorn tuna virus, titri 1×109 spore/ml., stamp preparations are sprayed 2-times during the growing season of the plant, 5-6 days orally against worms aged 1-3 years.
Chemical method: for every 100 plants of the mosquito worm, 8-10 (IZMM) young worms are recommended indoxacarb, Chloranthraniliprol 200 g/l base, emamectin benzoate base, emamectin benzoate 50 g/kg +lufenuron 400 g/l base.
Preparation of a solution of SADSH to catch the pigeon tunlam (coyote worm) butterfly
To prepare the SADSH solution
10 liters of water
15-20 gr yeast (droja )
250 gr sugar
300 gr of honey is mixed in a solution and
Infused for 8 hours.
0.5 liters of wine are poured into the prepared SADSH.
This prepared SADSH is cut into the circle of the upper part of the container of cool drinks (baklashka), the mouth side is turned over, and a handle is made, like a flywheel, placed on the bottom. A solution of 200 grams of SADSH is poured into the handles made. It is installed on specially prepared 1.2-meter sticks based on the recommendation.
A container with a solution of SADSH (baklashka) is recommended to be installed from 5-6 pieces per hectare.