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Organic Herbicides Research Paper

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Organic herbicides and weed acceptance.
Effectiveness of Organic Herbicides
In recent years, several organic herbicide products have appeared on the market. These include Weed Pharm (20 percent acetic acid), C‐Cide (5 percent citric acid), GreenMatch (55 percent d‐limonene), Matratec (50 percent clove oil), WeedZap (45 percent clove oil + 45 percent cinnamon oil), and GreenMatch EX (50 percent lemongrass oil), among others.
These products are all contact‐type herbicides and will damage any green vegetation they contact, though they are safe as directed sprays against woody stems and trunks. These herbicides kill weeds that have emerged, but have no residual activity on those emerging subsequently. Additionally, these herbicides can burn back …show more content…

1. Organic herbicide in the market.
Commercial products like herbicidal soapcontain fatty acids that kill weeds, vinegar or acetic acid, andessential oils (eugenol, clove oil, citrus oil). These can all be purchased online or at garden supply centers.

a. Corn Gluten Meal and Mustard.
Corn gluten meal (GCM), a by- product of the wet-milling process of corn, and mustard meal (MM) are phytotoxic. The non-selective pre emergence, or pre plant incorporated, herbicides CGM and MM inhibit root development, decrease shoot length, and reduce plant survival of weed and crop seedlings. Research has demonstrated that CGM can be effectively used for weed control with establish turf, transplanted vegetables, and if precisely applied to provide a CGM free planting strip, for direct-seeded vegetables. It is essential to understand that as non- selective herbicide, CGM and MM can injure or kill germinating and emerging crop seedling. Crop safely is greater when these substances are applied to established annual or perennial plants. Initial research with mustard meal has shown similar application and weed control potential as CGM. Although CGM andMM can provide effective early pre emergence weed control of germinating weed seed, supplemental weed control measure will be required to control escaped weeds, established perennial weeds, or weeds emerging in the mid- to late- growing seasons. CGM and MM must not be derived from genetically modified organism (GMO) to be cleared as potential organic materials. Mustard meal can cause extreme dermal reaction in human and should be used with suitable protective

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