selectively kill

Listing 1 - 10 from 22 for selectively kill

Dandelion - The Weed We Love to Hate
... agents of chemical warfare for use in World War II, discovered that certain chemicals could selectively kill broad- leaf plants while not harming grassy plants. The most familiar of the herbicides developed ... roots, leading to transport of the chemical through the entire plant, resulting in a better kill. You should wear appropriate protective equipment and mix the chemical exactly as directed. Be ...
gardenline.usask.ca

APSnet Education Center - Introductory Topics - What are Fungicides?
... even ineffective. Since these curative fungicides must be able to penetrate into plants and selectively kill the invading fungi, they are designed to target specific enzymes or proteins made by ... resistance has become a more important concern in disease management. Mode of action. Fungicides kill fungi by damaging their cell membranes, inactivating critical enzymes or proteins, or by interfering ...
www.apsnet.org

Questions On Gophers
... Very short mowing in the fall of the year may selectively kill tall fescue, at least in North Dakota.! Q: Last spring ... . If broadleaf herbicides are applied in a blanket fashion and not selectively, there is a potential for problems with woody ornamentals, ... handling of pesticides and fertilizers; are their broadleaf herbicide applications selectively applied to only where the weed(s) exist or ...
www.ext.nodak.edu

California Southern oak woodland exists in many areas of inland Southern California.
... replace the native shrubs, perennial and annual wildflowers that live under the oaks and pines. Selectively kill the weeds and the trees come back to life. Plants that you heard about, but ...
www.laspilitas.com

Practical Black Vine Weevil Management
... insects, enter into their body cavity, and release symbiotic bacteria, which quickly multiply and kill the host. Two or three generations later, the infective juvenile stage of nematodes emerges ... should give good control of this pest, insecticides have not yet been found that can selectively kill weevil adults rather than beneficial predators. Part of this challenge is the superior ability ...
www.rhododendron.org

July 2003 Newsletter
... untreated for several hours carry a high risk of tetanus. Worldwide, tetanus is estimated to kill 1 million people annually, mostly in the third world countries where people haven't been ... them to develop will reduce subsequent bloom. Hybridize  To create a new rose cultivar by selectively fertilizing one rose with the pollen of another one in the hopes that the progeny ...
carolinadistrict.org

FAQs
... may be a lack of water sufficient to plump all hips, and the plant will selectively drop some hips. Third, it might be a lack of an element in your soil ... straw has seeds, it may attract mice or voles that could then damage (and possibly kill) the roses. [ top of page ] [ Home ] [ Up ] Send mail to webmaster@alaskarosesociety.org with questions ...
www.alaskarosesociety.org

APSnet Feature - Return of an Old Problem:Fusarium Head Blight of Small Grains
... most susceptible, but heads at later stages also can be infected. The earliest infections generally kill the florets and no kernel develops at that point. Florets infected later may bear ... good sources of it are well known. The single floret or single spikelet inoculation method selectively distinguishes this type of resistance (39). Type III, kernel resistance, manifests itself by a reduction ...
www.apsnet.org

Control Practices for Canada Thistle, Botany & Plant Pathology, Purdue U.
... CAN BE DONE TO MEET THE INDIANA WEED LAW REQUIREMENTS) These herbicides are used to selectively remove or suppress the tops of Canada thistle in crops which will grow rapidly enough ... is tillered and at doses and timings suggested on product labels. SOLID STAND SOYBEANS (top kill only) -- Postemergence herbicides applied at higher labeled doses include bentazon BASAGRAN, acifluorfen BLAZER or TACKLE ...
www.btny.purdue.edu

... rapidly in warm days. The fungus progresses slowly in older woody stems, but can kill any size plant. Table 2. Diagnosing Rhododendron dieback caused by Botryosphaeria and Phytophthora. Botryosphaeria ... allow better fungicide spray penetration and coverage. 7. On larger rhododendron plants, dieback can be selectively pruned out if it is detected in the early stages. all brown discolored wood ...
www.ces.ncsu.edu

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