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Effect of different colors of light on the rate of photosynthesis.

(1980) Effects of some chemicals(2,4-dichlorophenoxyacetic acid, coumarin and acenaphthene) on thegreen alga, Oedogonium acmandrium Elfving.

Effects of different colors of light on the photosynthesis rate.

No effect was observed on a natural phytoplankton community after exposure to 2,4-D at 1 mg/litre. However, exposure to esters of 2,4-D reduced productivity in these organisms.

There was no effect on growth, respiration, orphotosynthetic rate.

Rate of photosynthesis versus light intensity with different CO2/NaHCO3 concentrations (2 factors)

Butler (1963) reported no effect on a natural phytoplanktoncommunity of exposure to a 1 mg/litre concentration of 2,4-D (as theacid or dimethylamine salt), or of the dimethylamine salt on purecultures of Dunaliella euchlora or Platymonas over 4 h.

Chai & Chung (1975) examined the effects on growth,photosynthesis, respiration, and chemical composition of exposingcultures of the green alga Chlorella ellipsoidea to 2,4-D acid at 22 or88 mg/litre.

Content The layout of EHC monographs for chemicals is outlined below.

Rate of photosynthesis versus CO2/NaHCO3 concentrations at light intensities (2 factors)

Kliegel W (1980) [Boron in biology, medicine and pharmacy: Physiological effects and use of boron compounds.] Berlin, Germany, Springer-Verlag (in German).

Jeshima D, Morishta K, Ueda Y, Zutagami K, Higuchi S, Komoda T, Nanishi F, Janeyama J, Yoshitake J, & Aoyama T (1992) Clinical management of boric acid ingestion: pharmacokinetic assessment of efficacy of haemodialysis for treatment of acute boric acid poisoning.

above for determining the rate of photosynthesis in Canadian pondweed.
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(1948) Effects of 2,4-dichlorophenoxyacetic acid on chicks.

(1970) [Effects of theherbicides 2,4-D, aminotriazole, atrazine, chlorpropham andchlorfurenol on nucleic-acid biosynthesis in the ascomycete Neurospora crassa.] Weed Res., 10: 172-177 (in German).

(1959) Effect of 2,4-Don abundance and foods of pocket gophers.

(1976) [Experiments on the influence of herbicides on theembryo development of Phasianus colchicus var. and Coturnix coturnix japonica.] Z.

(1972b) The effect of 2,4-dichlorophenoxyacetic acid on laying hens.

(1980) Use of an unsignalled avoidance technique to evaluate the effects of the herbicide 2,4- dichlorophenoxyacetic acid on goldfish, Philadelphia, American Societyfor Testing and Materials, pp.

Light Wavelength Effect On The Photosynthetic Rate Of Elodea

After subchronic exposure, the histopathological effects range from inhibited spermiation (the process of release of mature spermatids from the seminiferous epithelium) to degeneration of the seminiferous tubules with variable loss of germ cells, to complete absence of germ cells, resulting in atrophy and transient or irreversible loss of fertility, but not of mating behaviour.

Effect of Light Wavelengths on Photosynthesis ..

Time- and dose-response studies of the Sprague-Dawley male rat reproductive end-points after acute administration of boric acid (Linder et al., 1990) revealed adverse effects on spermiation, epididymal sperm morphology, and caput sperm reserves during histopathological examinations of the testes and epididymis.

LabBench Activity Key Concepts Diffusion

(1975) [Physiological effects of 2,4-dichlorophenoxyacetic acid (2,4-D) on Chlorella ellipsoidea.] Misaengmul Hakhoe Chi., 13: 101-108 (in Korean).CHAMBERS, H., DZIUK, L.J., & WATKINS, J.

Photosynthesis Science Fair Projects and Experiments

Reproductive and developmental effects of boron compounds in laboratory animals Compound Species Dosea Vehicle Duration Effects Reference (mg boron/kg body weight per day) Boric acid CD-1 0, 19.2, 104.5, Diet 27 weeks None of the high-dose pairs was Fail et al.

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