weed populations

Listing 1 - 10 from 132 for weed populations

Weed Management in Sugarcane - 2006
... weed control through the development of an anaerobic environment in which weed seed germination and seedling growth is impaired. Under successive planting management, weed populations are not severely reduced between crops and weed ...
edis.ifas.ufl.edu

Weed Control in Your Lawn
... a 'Dandelion Digger' or 'Fishtail'). CHEMICAL CONTROL is often the easiest, especially with high weed populations. The 2,4-D spray works best in the spring or in September ... Publication 75; 1991. Identifying Weeds on Home Grounds; Manitoba Agriculture; Agdex 646; 1983. Weed Control Notes: Weed Control in Lawns; Saskatchewan Agriculture; 1984. Sustainable horticultural information, offered free of ...
gardenline.usask.ca

Virus Diseases of Greenhouse HYG-3065-96
... vectors. Thrips are the primary means by which INSV spreads about the greenhouse. Getting thrips populations under control can dramatically reduce the incidence of INSV in your crop. Other insects such ... as alternate or secondary hosts for plant viruses as well as their insect vectors. Keeping weed populations in and around the greenhouse to a minimum is a good sanitary practice that will ...
ohioline.osu.edu

Using Micro Herbicide
... five applications, depending on weed populations and emergence patterns. It is recommended that the herbicides be applied broadcast instead of in a band when using micro herbicide rates. Weed control with banded applications ... are in the cotyledon to 2 true leaf stage. Waiting longer can result in poor weed control with these below-label rates. All subsequent applications should be made at 5 to ...
www.uidaho.edu

Weed Science Research at UNE
... research project was to identify the effect of night cultivation as a weed management practice to reduce weed populations and their competitive effects within a cropping system. The type of ... suppressive of the weed populations in the experiment. This project provides potential options to develop night cultivation as an effective management tool to be used in an integrated weed management system ...
www.une.edu.au

Tillage for weed control
... strips ploughed in daylight (Klaffke 1998). Nightploughing of wheat crops resulted in weed populations so low thatherbicide treatment proved unnecessary. These German researchers havedeveloped a shielding ... In manycases, large differences were found in the percentage germinationbetween populations of a species. Knowing the weed species istherefore not enough to predict whether its seeds will ...
www.une.edu.au More from this site

Weed Management in Home Lawns
... are usually slow to recover, thus enabling weeds to become established. High nematode populations also thin the turf and make it less able to recuperate from environmental stresses ... Spot spraying of weeds should be practiced until turf establishment occurs. Weed Control in Established Turf Preemergence Weed Control Broadleaf Weed Control - Broadleaf weeds in turf have traditionally been controlled ...
edis.ifas.ufl.edu

N.J. Weed Gallery: Weed
... | Counties | Rutgers' Cook College | Calendars | About Us N.J. Weed Gallery Crabgrass Digitaria spp. Photo by Dr. John Meade, weed scientist emeritus Rutgers Cooperative Research & Extension There are two ... the mower. Prolific seed producers. The crabgrass rake can be used to control lighter populations. Additional Images Large Image of Crabgrass How useful was this information? 4 = Very ...
www.rce.rutgers.edu

N.J. Weed Gallery: Weed
... Counties | Rutgers' Cook College | Calendars | About Us N.J. Weed Gallery Mary's Grass Microstegium vimineum Photo by Dr. John Meade, weed scientist emeritus Rutgers Cooperative Research & Extension Mary's Grass ... is now widespread in dense populations. Usually found in moist, shady habitats. It is an extremely invasive grass although not as yet an economically important weed. Field botanists rank it ...
www.rce.rutgers.edu More from this site

WEED THRESHOLDS AND WEED EMERGENCE PATTERNS IN SUGAR BEETS
... and chemical control inputs during the growing season on sugar beet yield and quality. Weed emergence, weed control, weed seed production, and sugar beet yield were measured. In 1997, kochia began emerging on ... spring, all weeds began emerging by May 8. In both years, weed emergence peaked on or before June 11, and populations declined the rest of the season. Any later emerging weeds were ...
www.uidaho.edu

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