e crops of farmers who depended on their crops as their source of income. The economic impact of insects is measured not only by the market value of products they destroy and the cost of damage they inflict‚ but also by the money and resources spent on prevention and control of pest outbreaks. In addition‚ some insects carry plant diseases which can affect the growth of plants. They threaten biodiversity‚ agricultural yields‚ trade‚ and the agricultural environment. It is important to know that
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human illness. But there’s not as much concern in terms the impact on human health because of the long history of culinary use and medicinal use. (CBN‚ 2003) Garlic is an old time organic insecticide that has only moderate success with over the decades. Only use an insecticide if you have an infestation. And garlic‚ If you have found‚ it does not do a great job once you have an infestation. Since it doesn’t kill bugs‚ only deters them a bit‚ you have to reapply it every time
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silence the birds‚ kill the fish‚ exterminate the plants‚ and even harm humans. This mysterious powder was beginning to become more known and accepted as a mean for terminating insects. Why could an insecticide so detrimental become so widely used?
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dgdg okok pko m mj j If the story is the one I think it is‚ it’s by Eugenia Collier. In it‚ an old woman in a poor neighborhood plants marigolds in her front yard‚ only to have the neighborhood brats destroy them. The children act out of their fear and resentment of Miss Lottie: "For some perverse reason‚ we children hated those marigolds. They interfered with the perfect ugliness of the place . . . ." Only the narrator‚ "Lizabeth‚" fells shame afterwards. Then that night she overhears her parents
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Timur Kuskunovic Mrs. Hatidza Sadinlija Literature 2/9/2012 Can a person have both compassion and innocence? In the story Marigolds‚ written by Eugenia Collier‚ a black girl from a poor neighborhood called Lisabeth lived in a poor environment. One day she saw her father crying‚ which never happened before. In cause of her anger she went outside and vandalized some old women beautiful garden. By Lisabeth’s description‚ Ms. Lottie‚ whose garden was destroyed was over hundred years old
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“MARIGOLD INSECTICIDE” Marigold (Tagetes erecta) plants bear yellow or orange flowers. They have a pungent odor. This is due to terthienyl production. This compound repels mosquitoes and other insects. Farmers usually grow marigold as interval plants in their vegetable garden. Marigold plant is an excellent natural mosquito repellent. Hindus use marigold extensively to worship their deities at home and in the temples. Hindu women wear marigold flowers in their heads
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INSECTICIDAL EFFECT OF ALLIUM CEPA (ONION) AND ALLIUM SATIVUM (GARLIC) ON MOSQUITOES An investigatory project in partial fulfilment of the Requirement in Research II THE PROBLEM AND ITS BACKGROUND Introduction Nowadays‚ we are experiencing diseases which is caused by insects like mosquito. To name some are Dengue‚ Hemorrhagic Fever‚ and Malaria wherein if not treated early it can cause death. Mosquitoes are all around the corner of our environment. They are not that big but can cut
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Period 4 Marigolds 3/7/10 Sunday Facts About Marigolds. It’s a well known fact that the marigold flower is one of the favorites in the home garden‚ but as well as an attractive and useful bedding plant‚ the marigold has enjoyed continued use for culinary‚ medicinal‚ and cosmetic purposes as well. 1.The most common types of marigold are the wild marsh marigold‚ the tall African marigold‚ and the robust French marigold. African
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REVIEW OF RELATED LITERATURE AND STUDIES Humans have been using insecticides for thousands of years. The Egyptians used unspecified chemicals to combat fleas in their homes about 3‚ 500 years ago‚ and arsenic has been used as an insecticide in china for at least 2‚ 900 years. Insecticide is a substance that kills insects. Insecticides are sometimes called pesticides. But pesticides include substances used to control mice‚ weeds and other pests besides insects. Insects harm human by transmitting
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Insecticide are any toxic substance that is used to kill insects. Insecticide are the substance used primarily to control pests that infest cultivated plants or to eliminate disease-carrying insects in specific areas. They are extremely effective weapons against disease-carrying insects and insects that destroy or damage crops and properties. However‚ in my opinion‚ using an insecticide to destroy the insect population are harmful to the environment. First of all‚ base on the information from the
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