How to Cite: DE ZOYSA, W.U.P. & AMARASEKARA, A.S., (2017). ABSORPTION OF THE PESTICIDE PROPANIL ON AGRICULTURAL WASTE PRODUCTS. Journal of the National Science Foundation of Sri Lanka. 22(4), pp.335-337. DOI: http://doi.org/10.4038/jnsfsr.v22i4.8136 ...
Herbicides are vital to a good weed control program for furrow-irrigated rice. Growers should scout regularly for new weed flushes after previous herbicide treatments, since without permanent flooding, weeds will germinate and emerge throughout the growing season. Early season herbicide programs should be planned similarly to those for flooded rice.. A pre-emergence residual herbicide may be more important in furrow-irrigated rice, since less water is used than in flooded rice culture. A couple of weeks free of weeds will aid in good stand establishment and early season crop vigor.. Prowl has provided excellent residual grass control in furrow-irrigated rice studies. Prowl can be applied pre-emergence to the rice or tank-mixed with the early season propanil (Stam) treatment. It should be used especially when sprangletop is a problem, since propanil is weak on sprangletop.. Bolero is effective only if the soil surface is maintained wet, which can be very difficult. Although a furrow-irrigated ...
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3,4-Dichloroaniline market research report provides detailed analysis of worldwide markets for 3,4-Dichloroaniline from 2011-2016, and provides extensive market forecasts (2016-2021) by region/country and subsectors. It covers the key technological and market trends in the 3,4-Dichloroaniline market and further lays out an analysis of the factors influencing the supply/demand for 3,4-Dichloroaniline, and the opportunities/challenges faced by industry participants.. Browse the Full 3, 4-Dichloroaniline Market - Scenario, Industry Outlook, Share, and Industry analysis, Size, Trends and Forecast, 2016 To 2021 Report at - http://www.radiantinsights.com/research/global-3-4-dichloroaniline-market-outlook-2016-2021. It also acts as an essential tool to companies active across the value chain and to the new entrants by enabling them to capitalize the opportunities and develop business strategies. Dichloroanilines are chemical compounds which consist of an aniline ring substituted with two chlorine ...
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3,3,4,4-Tetrachloroazobenzene is not commercially manufactured but is present as a contaminant of 3,4-dichloroaniline and its herbicidal derivatives Propanil, Linuron, and Diuron (Sundstrom et al., 1978; Bunce et al., 1979; Carey et al., 1980; Hill et al., 1981). In addition, environmental contamination occurs when TCAB is formed by the photolysis and biolysis of 3,4-dichloroaniline. TCAB was nominated by the United States Environmental Protection Agency for toxicity testing, based on concerns over the potential for human exposure, the structural resemblance to the potent immunotoxic and carcinogenic agent 2,3,7,8-tetrachlorodibenzo-p-dioxin, and reports that TCAB demonstrated dioxin-like effects (van Birgelen et al., 1999). The toxicity of TCAB was evaluated in 13-week gavage studies in male and female F344/N rats and B6C3F1 mice (van Birgelen et al., 1999; NTP, 1998). Results of these studies demonstrated decreased thymus weights, thymic atrophy, and macrocytic anemia in male and female rats ...
TABLE-US-00019 TABLE 16 Compressive strength (MPa) values of TTCP/DCPA/CSH composite porous blocks prepared from TTCP/DCPA/CSH/KCl (pore-forming agent)-mixed powders mixed with 0.6M (NH4)2HPO4 (L/P = 0.33 cc/g) Impregnated in Impregnated in TTCP/ Without Without 1M (NH4)2HPO4, 1M (NH4)2HPO4, DCPA:CSH impregnation impregnation at 37° C. for 1 d at 37° C. for 1 d (weight TTCP/DCPA/CSH:KCl = TTCP/DCPA/CSH:KCl = TTCP/DCPA/CSH:KCl = TTCP/DCPA/CSH:KCl = ratio) 1:1 (weight ratio) 1:2 (weight ratio) 1:1 (weight ratio) 1:2 (weight ratio) 90:10 4.86 ± 0.43 0.92 ± 0.18 8.43 ± 0.73 1.62 ± 0.28 85:15 5.00 ± 0.64 0.82 ± 0.23 7.29 ± 0.54 1.22 ± 0.19 75:25 4.18 ± 0.49 0.74 ± 0.10 7.03 ± 0.49 0.98 ± 0.18 65:35 3.74 ± 0.42 0.51 ± 0.07 5.19 ± 0.26 0.91 ± 0.05 55:45 2.36 ± 0.19 0.42 ± 0.06 4.01 ± 0.56 0.71 ± 0.10 Impregnated in Impregnated in TTCP/ 1M K2HPO4, 1M K2HPO4, DCPA:CSH at 37° C. for 1 d at 37° C. for 1 d (weight TTCP/DCPA/CSH:KCl = TTCP/DCPA/CSH:KCl = ratio) 1:1 (weight ratio) 1:2 ...
Mycosporine is a common name used to describe a collective group of water soluble nitrogenous metabolites associated with light-stimulated sporulation in terrestrial fungi.[8] They have strong UV-absorption maxima at 310 nm and were chemically identified by Favre-Bonvin et al.[7] Most of the sunscreen products present in the market are primarily limited to UVB and short wavelength UVAII (315 340 nm). Only a few compounds are broad-spectrum UVA filters. However, some of these compounds are problematic in terms of photostability and cross stability with other sunscreen agents.[9] In view of the fact that the UVA band constitutes about 5% of the solar spectrum at the Earths surface, whereas UVB only makes up to 0.5%, there is an urgent need of novel broad-spectrum and photo stable compound. Algal derived sunscreening compounds hold great promise for discovery and development of new pharmaceuticals. Algal biochemicals are gifts from nature as they are renewed each year through the energy from the ...
Effects of 3,4-dichloroaniline and diazinon on different biological organisation levels of zebrafish (Danio rerio) embryos and ...
Trichomonas vaginalis is a protozoan that causes the sexually-transmitted disease trichomoniasis in humans. The organism infects both men and women; however, men are asymptomatic, making treatment difficult between partners. Today, trichomoniasis is one of the most common sexually- transmitted diseases. The current FDA approved treatment is metronidazole. However, there are strains that display resistance to metronidazole, pressing the need for alternative chemotherapies to be found. To support this effort, a compound library of 3,4-dichloroaniline amides were screened in vitro against the T1 and G3 strains of the organism. Of the twenty-one compounds, six were effective at inhibited growth on the G3 strain and seven were effective on the T1 strain.
A working procedure was demonstrated for the analysis of plasma spiked with acrylamide (79061) and for the detection of acrylamide in the proximal and distal regions of excised sciatic nerves from rats administered acrylamide subcutaneously. Acrylamide was first converted to its 2,3-dibromopropionamide derivative in aqueous solution, plasma or tissue homogenates by ionic bromination. Subsequent ac
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Determination of β-glucan in carbohydrates was studied by detecting change of exciting wavelength and emission wavelength as sodium fluorescein was mixed with β-glucan, glucose, fructose and maltose. The results showed that if sodium fluorescein was mixed with β-glucan, UV-absorption of fluorescein sodium changed from 436.5 nm to 510.6 nm, fluorescence absorption also changed: exciting wavelength from 487.3 nm to 475.9 nm, emission wavelength from 517.6 nm to 510.6 nm, if sodium fluorescein was mixed with other carbohydrates such as glucose, fructose or maltose, no change happened for fluorescence absorption. The optimal proportion of sodium fluorescein and β-glucan was 6:1, the linear concentration range was 0.1 μg/mL~0.25 μg/mL, the regression equation: y = -2.014x + 1.075 7,R2 = 0.997 8, the purity of β-glucan in raw material was 95 % using such equation, comparing with 96 % by standard enzyme method.