In this class of the BR group Fanaticos by vineyards with the teacher Sergio Semerdjian shows in a natural way how to fight aphids and mats that attack the orchard, see and understand how to do
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Very constant problem in several houses and plants see in this class of Sergio Semerdjian how to end them,
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besides being the vector of the citrus tristeza virus
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How to fight the black aphid
The black aphid, with the scientific name Toxoptera citricidus, is one of the main plagues that affect the lemon tree. Originally from the Asian Continent, this aphid has spread throughout the world, not only attacking the lemon peel, but also some citrus varieties.
With about 2mm and a dark brown body, the lemon tree's aphid causes atrophy and wilting of leaves and shoots of the plant, besides being the main vector of citrus tristeza virus (Citrus tristeza Closteovirus).
Similarly, after sucking citrus sap, the black aphid secretes a substance (honeydew) in the leaves of the lemon tree that prevents some of the photosynthesis, impairing the quality of the lemons produced by the plant.
This homopterus mainly acts in the spring and summer, attacking mainly the recently emerged shoots and the flower buds. Finally, they also reach the leaves, causing them to shrink and then fall.
Production of Tahitian Lemon, black lemonade aphid also attacks the plants that are in the nurseries.
Therefore, if this attack is very severe, a chemical control should be done, as long as prescribed by a reliable agronomist. Otherwise, control with natural agents is best.
The ladybird is the main predator, both in the larval and adult stages, being a biological control agent
8 сен 2024
