observed effects

Listing 1 - 10 from 107 for observed effects

EXTOXNET PIP - FOLPET
... with administration of folpet. Based on changes in body weight and clinical biochemistry, the Lowest Observed Effects Level (LOEL) was 60 mg/kg/day, and the No Observable Effect Level (NOEL) ... one minute, degrading rapidly to phthalimide and ultimately to phthalic acid and ammonia (322). ECOLOGICAL EFFECTS Effects on Birds: Acute oral studies indicated that folpet is slightly toxic to upland game ...
extoxnet.orst.edu

www.seaweed.ie
... regulation of growth) has been suggested as being responsible for, at least some of the observed effects; it has been demonstrated that commercially-available seaweed extracts have high levels of cytokinin-like ... for the algal species used in the manufacture of the extracts. Because of the reported effects from the application of commercial seaweed extracts and the known properties of compounds such ...
www.seaweed.ie

www.seaweed.ie
... are known to have an extraordinary range of effects of crops including: improved yield, better frost resistance, ... Some of these effects--particularly yield increases--are often attributed to the nutrients in the extracts but the observed effects could ... effects of such sprays on root development in a range of crop plants. Enhanced root growth may be responsible for some of the observed effects ...
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Plant Pathology: Disease Management: Cultural Management Practices
... Effective roguing requires the removal of diseased plants as soon as possible after symptoms are observed. In some cases, the diseased plants as well as those immediately surrounding them, are ... the healing of wounds in plants, all of which reduce disease. However, potassium's effects can be variable, directly stimulating or inhibiting the penetration, multiplication, survival and establishment of ...
bugs.bio.usyd.edu.au

Doug's Way With Roses: July-August, 1999
... . Visiting other gardens to see how various rosarians cope with the effects of heat can he beneficial. No two settings are the same, ... evaporated from the soil being heated by the sun. If you have observed new canes drooping in the afternoon heat it is evidence that ... an organic food source in place since spring also helps minimize the effects of excessive rainfall. Toward the end of July or by early ...
carolinadistrict.org

Physiographic, stand, and environmental effects on individual tree growth and growth efficiency in subalpine forests
... 1986 Heron Publishing—Victoria, Canada [ PDF ] [ Return to Contents ] Physiographic, stand, and environmental effects on individual tree growth and growth efficiency in subalpine forests Merrill R. ... and suppressed and overtopped trees had growth efficiencies equal to the highest efficiencies observed for dominant/codominant or intermediate trees. Lodgepole pine growth was most responsive to ...
heronpublishing.com

Experimental approaches to the study of the effects of nutrients and water on carbon assimilation by trees
... Australia / Summary This paper outlines the experiemental approaches needed to provide detailed information about the effects of nutrients and water on carbon assimilation, and hence growth of trees. Data from ... status and nutrient mineralization rates in the soil provide the information needed to explain observed differences in growth and to refine the models underlying the research. ISSN 0829-318X ...
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When was rose mosaic virus first observed
... When was rose mosaic virus first observed When was rose mosaic virus first observed? The bold face was added by me for emphasis (H.Kuska). The 1962 American Rose ... potatoes, strawberries, raspberries, grapevines, cherries, apricots, peaches, plums and citrus have clearly shown the detrimental effects of virus diseases. Evidence of one graft-transmissible disorder in rose dates back 1863 but ...
home.neo.rr.com

Project: Effects of UV-B on birch and other trees
... are sensitive to UV-B: damage to cells and chloroplasts has been observed, especially with high doses, but UV-B can also alter the ... the UV-A and blue light photoreceptor(s) and phytochromes. All the effects of UV-B mentioned above can directly or indirectly affect the ... -131. de la Rosa T M, Aphalo P J, Lehto T (2003) Effects of ultraviolet-B radiation on growth, mycorrhizas and mineral nutrition of ...
www.cc.jyu.fi

Project: Effects of ultraviolet radiation on birch
... , PhD, Docent (Senior Researcher) Riitta Tegelberg, MSc, (former PhD student) Summary This subproject, "Effects of UV-B on birch: structural and phytochemical responses and herbivore susceptibility" ... under more realistic doses. Under these realistically increased doses no major effect was observed on growth and morphology or photosynthesis. However, our results indicate that realistically ...
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