Helping Your Plants With A Neem Oil Foliar Spray
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Finding safe, non-toxic pesticides for the garden that actually work can be a challenge. We all want to protect the environment, our families, and our food, but most natural chemicals available have limited effectiveness. Except for neem oil. Neem oil insecticide is everything a gardener could want. What is neem oil? It can safely be used on food, leaves no dangerous residue in the soil, and effectively reduces or kills pests, as well as prevents powdery mildew on plants.
What is Neem Oil?
Neem oil comes from the tree Azadirachta indica [2], a South Asian and Indian plant common as an ornamental shade tree. It has many traditional uses in addition to its insecticidal properties. For centuries, the seeds have been used in wax, oil, and soap preparations. It is currently an ingredient in many organic cosmetic products too.
Neem oil can be extracted from most parts of the tree, but the seeds hold the highest concentration of the insecticidal compound. The effective compound is Azadirachin, and it is found in highest amounts in the seeds. There are numerous neem oil uses, but gardeners hail it for its anti-fungal and pesticidal properties.
Neem Oil Uses in the Garden
Neem oil foliar spray has been shown to be most useful when applied to young plant growth. The oil has a half-life of 3 to 22 days in soil, but only 45 minutes to four days in water. It is nearly non-toxic to birds, fish, bees, and wildlife, and studies have shown no cancer or other disease-causing results from its use. This makes neem oil very safe to use if applied properly.
Neem oil insecticide
Neem oil insecticide works as a systemic in many plants when applied as a soil drench. This means it is absorbed by the plant and distributed throughout the tissue. Once the product is in the plant’s vascular system, insects intake it during feeding. The compound causes insects to reduce or cease feeding, can prevent larvae from maturing, reduces or interrupts mating behavior and, in some cases, the oil coats the breathing holes of insects and kills them.
It is a useful and used to manage over 200 other species of chewing or sucking insects according to product information, including:
Neem oil fungicide
Neem oil fungicide is useful against fungi, mildews, and rusts [8] when applied in a one percent solution. It is also deemed helpful for other kinds of issues such as:
How to Apply Neem Oil Foliar Spray
Some plants can be killed by neem oil, especially if it is applied heavily. Before spraying an entire plant, test a small area on the plant and wait 24 hours to check to see if the leaf has any damage. If there is no damage, then the plant should not be harmed by the neem oil.
Apply neem oil only in indirect light or in the evening to avoid foliage burning and to allow the treatment to seep into the plant. Also, do not use neem oil in extreme temperatures, either too hot or too cold. Avoid application to plants that are stressed due to drought or overwatering.
Using neem oil insecticide about once a week will help kill pests and keep fungal issues at bay. Apply as you would other oil-based sprays, making sure the leaves are completely coated, especially where the pest or fungal problem is the worst.
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