Trichogramma biocontrols sunflower aphids
Trichogramma pest control sunflower paradox principle Trichogramma is an egg parasitoid, a very small size, adult body length 0.5-1.0 mm, can be parasitic Lepidoptera, Coleoptera and other 220 species of insect eggs. Because its monocular and compound eyes are red, it was named Trichogramma. The host of Trichogramma species is very broad and can be parasitized on the eggs of various agricultural and forestry pests such as corn borer, sugarcane borer, apple leaf roller borer, cotton bollworm, pine caterpillar, meadow grasshopper, cabbage borer, cabbage fly moth, and soybean borer. Trichogramma is using the head's olfactory device to search for sunflower quail eggs, using the ovipositor at the tail to produce eggs in corn quail eggs, using the nutrients in the eggs of sunflower pods to grow and develop, and finally making the sunflower pod eggs out of the bees. Insects, so Trichogramma destroy the sunflower in the egg period, and then achieve the purpose of increasing production and income.
The characteristics of Trichogramma in controlling agricultural pests
Trichogramma prevent and control agricultural pests, low cost, good control effect, labor saving, and no harm to humans and animals, no killing of natural enemies, no pollution to the environment, no residual product, has significant ecological, economic and social benefits.
How to prevent bee
Use Trichogramma to control sunflower pods. Begin the bees at the beginning of spawning. Use a toothpick, a pin, or a needle thread to place the bee on the back of the upper leaves of the corn, with the eggs facing outward.
Put beekeeping precautions
When you put the bee, you must place the bee card on the back of the leaf, do not roll it, and do not clamp the bee card on the leaf sheath or throw it in the heart to help increase the emergence rate of the bee card.
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