Early childhood control measures for forestry pests
I. Inducing the pest control method By using the habit of hibernation under the tree, you can bind the grass on the trunk, lure it into the grass for winter, and then untie the grass to burn it. For lepidopteran larvae such as pine caterpillars, before the pests are in the early spring, they can be poisoned by applying poisonous rings or tying poisonous cords on the trunk.
Second, the egg blasting method Some pests such as the sky caterpillar, gypsy moth, etc. put the eggs on the surface of apple, pear, apricot, pine, poplar, willow and other branches to form an egg ring; yellow thorn moth at the corner of the branch, will The eggs are made into a small watermelon-like egg; some pests are made into small silkworms in the hidden part of the branches, and they are hibernated. For these egg rings, egg eggs, cockroaches, etc., they can be smashed and chopped with a knife, a wooden stick, an iron bar, etc. to prevent reproduction.
Third, the pruning pest control method such as the beetle, leafhopper and other pests with sharp ovipositor or mouthparts, drilled a row of small holes in the forest branches to lay eggs in it, and released venom to poison the tree branches Pinus sylvestris, cones, and scorpions smashed pines and eucalyptus to form shoots; saplings of white stalks, white poplars, and chestnut beetles form worms on the branches. You can combine the winter and early spring seasons to combine the pruning, cut off the insect nests, the dead branches and the insects, and bring them out of the garden to burn them.
Fourth, scraping the pest control method Apple small heartworm, pear small heartworm, pear star caterpillar, willow moth, jujube armyworm, red spider, etc., often hidden in the forest under the rough skin, skin or cracks over the winter. In the winter and spring, the old skin or the old skin can be scraped off with a knife, and then whitened.
5. Ploughing and worming methods Pests such as small heartworms and aphids like to drill into the ground seams, lay eggs in weeds or winter in the form of cockroaches and larvae. Pests such as Hawthorn spiders and leaf moths are often hidden in the fallen leaves for wintering. Grab the soil before freezing or early spring, then thaw the forest, deepen the forest, turn the tree tray, and bury the leaves, branches and miscellaneous chapters around the tree plate. Turn the pests to the ground and freeze to death, dry or for birds to forage. If you pour a cold water again, it will be better for suffocating winter eggs, larvae and mites.
Excerpt from: Shaanxi Science and Technology News
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