repellent plants for insects leaves pdf

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Ethnobotanical study of medicinal plants used as ...- repellent plants for insects leaves pdf ,Insect repel-lent plants are used to kill insects using different methods of application of medicinal plants. Plant repellents have an important place in protecting man from the bites of insect pests. Repellent plants can be used by smoking the plants and hanging on windows and doors, planting as a fence, spray-ing the leaves of the plant, and ...INSECTICIDES, INSECT REPELLANTS, AND ATTRACTANTS …repellent and toxic to clothes moths, house flies, fleas, several species of mosquitoes, lice, and sev-eral species of stored grain insects, are available commercially, When the finely powdered rhizome is mixed with various grains in a ratio of 1:50 (0.9 kg to 45.5 kg) the grains are free from insect damage for a year.



(PDF) insect repellent property of hagonoy and alagaw ...

36 The repellent properties of plants to mosquitoes and other pest insects were well known before the advent of synthetic chemicals. In southern India, leaves of Vitex negundo are burned to repel mosquitoes from houses (Curtis et al. 1989).

Nature Insect Repellent - Blogger

The Aromatic and Medicinal Plants Index at the Purdue Guide to Medicinal and Aromatic Plants has a lot of information on lemon grass, also listing it as an insect repellent and a medicinal plant, and says it's used in food and confections, in perfumes and cosmetics, soaps and creams, as a flavouring in soft drinks, and as a mask for industrial ...

A survey of plants used as repellents against ...

medicinal plants among the indigenous peoples and the use of these plants as a larvicidal or as repellent (Bhat et al. 2013, Cav-alcanti et al. 2004, Gascon 2011, Moshi et al. 2012, Mustafa et al. 2012, Waka et al. 2004). It was the aim of this study to identi-fy plants used by the Ayta people as insect repellent. The study

INSECT DAMAGE - Food and Agriculture Organization

leaves in about 15 African countries, among which Nigeria and Niger produce half of the world's total crop (Pandey & Westphal, 1989). Cowpeas are attacked by a complex of insect pests, particularly towards the end of the planting season. In storage, the bruchid, Callosobruchus maculatus, causes the major losses. Infestations of stored cowpeas ...

Pest Repellent Plants - Sustainable Gardening Australia

A hedge of rosemary around a vegetable garden acts as a general pest repellent for insects such as whitefly. Add sprigs of rosemary to clothes cupboards to repel moths and silverfish. Land cress Barbarea vulgaris. This plant is also known as Bittercress, Herb Barbara, Rocketcress, Yellow Rocketcress, Winter Rocket, and Wound Rocket.

Botanical Insecticides | Radcliffe's IPM World Textbook

Plants have evolved for over 400 million years and to defend themselves from insect attack they have developed protection mechanisms such as repellents and even insecticidal effects. The oldest known pest control method is human sacrifice, but since it is not effective, or maybe because of the lack of volunteers, dusts began being used and also ...

Vegetable Garden Pests - Division of Extension

– Purchase healthy, disease and insect-free plants – Rotate crops »to ppyrevent carry-over of disease and insects – Control weeds before planting new plants/ gardens – Properly space plants » To reduce competition for light, nutrients and water » To allow air circulation to dry leaves and prevent diseases – Properly water and fertilize

Vegetable Garden Pests - Division of Extension

– Purchase healthy, disease and insect-free plants – Rotate crops »to ppyrevent carry-over of disease and insects – Control weeds before planting new plants/ gardens – Properly space plants » To reduce competition for light, nutrients and water » To allow air circulation to dry leaves and prevent diseases – Properly water and fertilize

The best insecticide and home-made repellent for your ...

Jan 09, 2019·The tomato is a member of the plant family that contains alkaloids which can be harmful to insects. Therefore, the leaves of a tomato plant can be used as an insect repellent, just like garlic and chili. In fact, these alkaloids are particularly good at keeping aphids and other insects away from your weed. Recipe :

10 Plants That Repel Bugs - Herbs, Shrubs, Flowers Insects ...

Jun 28, 2020·“Plants are in the business of repelling insects, because this is one of the most important ways to avoid insect damage—by feeding,” explains entomologist Roberto M. …

INSECTICIDES, INSECT REPELLANTS, AND ATTRACTANTS …

repellent and toxic to clothes moths, house flies, fleas, several species of mosquitoes, lice, and sev-eral species of stored grain insects, are available commercially, When the finely powdered rhizome is mixed with various grains in a ratio of 1:50 (0.9 kg to 45.5 kg) the grains are free from insect damage for a year.

Marigold Insect Repellent | eHow

French and African marigolds are often cited as the most powerful Tagetes species for repelling insects. Both contain chemical compounds called thiopenes in their seeds, roots and other plant parts that are offensive to nematodes, aphids, cabbage maggots, white flies and other pests.

INSECTICIDES, INSECT REPELLANTS, AND ATTRACTANTS …

repellent and toxic to clothes moths, house flies, fleas, several species of mosquitoes, lice, and sev-eral species of stored grain insects, are available commercially, When the finely powdered rhizome is mixed with various grains in a ratio of 1:50 (0.9 kg to 45.5 kg) the grains are free from insect damage for a year.

PEST CONTROL COMPANION PLANTING CHART - new-self ...

ANISE Host to predatory wasps which prey on aphids. deters pests from brassicas by camouflaging their odour BASIL Helps repel thrips flies and mosquitoes BAY LEAF Sprinkle dried leaves with other deterrent herbs (bay leaves, cayenne pepper, tansy and peppermint.) in …

Control of insect pests in crop plants and stored food ...

Jan 01, 2018·Insect infestation is a serious problem in crop plants and stored products. • Saponins are class of steroidal or triterpenoidal compounds present in plants. • Saponins directly affect growth and reproduction of insect pests. • Saponins possess repellent or deterrent activity, provoke moulting defects or cause cellular toxicity in insect ...

12 plants that repel unwanted insects

12 plants that repel unwanted insects These herbs and flowers can shoo pests from your garden and skin. TOM ODER. October 2, 2014, 8:21 a.m. Lavender is among the plants that act as natural insect repellents.

15 Plants That Repel Mosquitoes | ProFlowers

Jul 02, 2018·15 Mosquito Repelling Plants. Some plants listed below, like lavender and mint, emit a soothing scent for us, but a repulsive scent for mosquitoes. If you want to find a natural way to avoid getting bit this season, take a look at the top 15 plants that repel mosquitoes to help you avoid these blood-sucking critters.

12 plants that repel unwanted insects

12 plants that repel unwanted insects These herbs and flowers can shoo pests from your garden and skin. TOM ODER. October 2, 2014, 8:21 a.m. Lavender is among the plants that act as natural insect repellents.

Insect-Deterrent Plants for the Vegetable Garden - Harvest ...

Some plants will deter insects in the vegetable garden. This is one form of companion planting. Companion planting–growing plants singly or together–to repel insects, fight disease, or enhance the growth of another plant is a technique that many gardeners have used for generations.

Common Houseplant Insects & Related Pests | Home & Garden ...

For example, sprays with insecticidal soap, horticultural oil, neem oil extract, spinosad, Bacillus thuringiensis (B.t.), or botanical oils can help control many small insect pests and mites that affect garden and landscape plants. Neem oil extract or botanical oil sprays may also reduce plant damage by repelling many insect pests.

INSECT REPELLING PLANTS - Dellwood HOA

INSECT REPELLING PLANTS DEWORMING CONCOCTION This is an old time remedy for de-worming dogs and cats. Mix: 1-teaspoon of dried powdered rosemary and 1-teaspoon of wormwood with 1/2 teaspoon of fresh ground garlic (use full amount on dogs and 1/4 amount on cats). Mix well and divide into 4 equal portions.

(PDF) Plants traditionally used as mosquito repellents and ...

Jan 27, 2016·Numerous plants with insect repelling properties are native to the tropics where they are produced for a wide range of medicinal purposes. In Thailand, these native plant species have a …

Mechanisms of plant defense against insect herbivores

plant-herbivore interactions is required to optimize the produc-tion of new crops. Host plant defenses against insects. Plants respond to her-bivore attack through an intricate and dynamic defense system that includes structural barriers, toxic chemicals, and attraction of natural enemies of the target pests (Fig. 1).1,9,10 Both defense

Marigold Insect Repellent | eHow

French and African marigolds are often cited as the most powerful Tagetes species for repelling insects. Both contain chemical compounds called thiopenes in their seeds, roots and other plant parts that are offensive to nematodes, aphids, cabbage maggots, white flies and other pests.