منابع مشابه
Biological control of weeds.
Classical biological control, i.e. the introduction and release of exotic insects, mites, or pathogens to give permanent control, is the predominant method in weed biocontrol. Inundative releases of predators and integrated pest management are less widely used. The United States, Australia, South Africa, Canada, and New Zealand use biocontrol the most. Weeds in natural ecosystems are increasing...
متن کاملSelective Control of Weeds Explained
IN August GOLFDOM I discussed the pros and cons of ammonium sulphate as a weed-control agent, while the importance of proper fertilization and management of turf were stressed in the September number from the weed control angle. While it is vital that the greenkeeper be thoroughly versed in both the theory and practice of the above phases of turf maintenance, nevertheless, in themselves, they d...
متن کاملRainfastness of insecticides used to control Japanese beetle in blueberries.
Field-based bioassays were used to determine the relative impact of rainfall on the relative toxicity of four insecticides, phosmet, carbaryl, zeta-cypermethrin, or imidacloprid, from different chemical classes on adult Japanese beetles, Popillia japonica Newman, in highbush blueberries, Vaccinium corymbosum L. Bioassays were set up 24 h after spraying occurred and Japanese beetle condition was...
متن کاملdevelopment and implementation of an optimized control strategy for induction machine in an electric vehicle
in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...
15 صفحه اولBiological Control of Weeds Using Plant Pathogens
Changes in program directions at the Saskatoon Research Centre have resulted in the organization of a research team equipped to develop microorganisms for the biological control of important agricultural weeds. This paper presents a brief introduction to the science of inundative biological control and an overview of the research progress made on controlling Canada thistle, wild oats, and green...
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ژورنال
عنوان ژورنال: Proceedings of the New Zealand Weed and Pest Control Conference
سال: 1980
ISSN: 0370-2804,0370-2804
DOI: 10.30843/nzpp.1980.33.10676