منابع مشابه
Selective 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 کاملevaluation of chemical control of broad-leaved weeds in new seeded alfalfa (medicago sativa l.)
in order to study of the efficacy of herbicides in weed control of new seeded alfalfa, an experiment was conducted in hamedan and yazd cities, iran during 2009-2010. the treatments were bentazone (bazagran) (sl 48%) two, three and four l.ha-1, 2,4-db (butress) (ec 42.3%) 2.5, 2.8, 3.1 and 3.5 l.ha-1, imazethapyr (pursuit) (sl 10%) 0.4, 0.7 and one l/ha and without herbicide control treatment. t...
متن کاملBiological 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 FERTILIZATION IN LIh/IA BEANS
ELECTIVE fertilization or incompatibility has been reported to exist in many S plant species. The usual reaction which results in these phenomena is one between the diploid style and the haploid pollen tube so that selective fertilization occurs. Selective fertilization in lima beans appears to be similar to that reported in maize by EMERSON (1925) and MANGELSDORF and JONES (1926) where the eff...
متن کاملcomparison of different chemical herbicides to control of broad leaf weeds of common bean in yasouj, kohgiloyeh and boyerahmad province
in order to investigate the effect of chemical herbicides on control of broad leaf weeds of common bean, an experiment was conducted in 2007 at yasouj with 12 treatments in a randomized complete block design with 3 replications. treatments consisted of preplant application of trifluralin herbicide at 960 g ai ha-1; postemergence application of bentazon at 1200 g ai ha-1; imaztapir at 50, 75 and...
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ژورنال
عنوان ژورنال: Proceedings of the New Zealand Weed and Pest Control Conference
سال: 1984
ISSN: 0370-2804,0370-2804
DOI: 10.30843/nzpp.1984.37.9555