Knowledge of the way of life increases the effectiveness of the fight
White flies are closely related to scale insects, from which they can be clearly distinguished by their mealy white wings. The filigree, 1-2 mm small insects are actually pretty to look at. However, both the adult flies and their brood suck the life of a basil. at Temperatures From 23-25 degrees Celsius they develop the highest infestation pressure.
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Defense measures in the bed and on the balcony
Typical symptoms of an infestation are yellow speckles on the leaves. In addition, the adult specimens excrete honeydew, which causes black sooty fungus. In order to put an end to the shameful hustle and bustle, the use of systemic insecticides on a chemical basis on basil is frowned upon. You can take action against whiteflies with these biological remedies:
- Put up yellow adhesive boards behind glass
- in the greenhouse Parasitic wasps(€ 69.90 at Amazon *) or Predatory bugs Apply Macrolophus caliginosus
- If the infestation pressure is high, use biological sprays, such as Celaflor pest-free neem
- Incorporate rye seeds into the substrate
Preventive measures
Basil in the bed and pot protect you effectively with close-meshed insect nets. As soon as temperatures rise above 20 degrees Celsius, the nets should be spread out. In this way, the winged females cannot access the plant. In addition, defensive planting partners have proven themselves, such as Tagetes and Nasturtiums. Ecologically-minded hobby gardeners also advocate regularly showering the bed soil with a brew of oak leaves.
Weak basil is more susceptible
The more vital a plant, the more resistant it proves to be against diseases and pests of all kinds. Your basil is less exposed to whiteflies when the water and nutrient supply are right. to water Use the herb plant regularly as soon as the substrate has dried. As a heavy eater, royal herb requires a weekly addition of compost or a similar organic fertilizer from May to September.
Tips & Tricks
Do you know the most natural form of fly traps, without any chemicals? With carnivorous plants, also known as carnivores, you can add a resolute trap next to a basil on the windowsill. Butterwort or the Venus flytrap don't give the fluttering pests a chance.
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