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Herbicidal control of Hydrilla and the effect on chemical composition of water


, : Herbicidal control of Hydrilla and the effect on chemical composition of water. Haryana Journal of Agronomy 1(1): 31-35

In pot experiments 0.5-1.0 p.p.m. paraquat or 2.5-5.0 p.p.m. 2,4-D or glyphosate gave complete mortality of H. verticillata within 2, 4 and 6-8 days, resp. and the plants showed no regeneration.

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Related references

Steward K.K., 1980: Retardation of hydrilla hydrilla verticillata re growth through chemical control of vegetative reproduction. Several chemicals were evaluated in the laboratory for their ability to inhibit growth of hydrilla [H. verticillata (L.f.) Royle] from tubers. Fenac [(2,3,6-trichlorophenyl)acetic acid] and dichlobenil (2,6-dichlorobenzonitrile) were effective in...

Pahuja S.S.; Singh S.P.; Behl N.K., 1973: Herbicidal control of hydrilla verticillata. Proceedings All India Weed Control Seminar 3: 60-61

Pahuja, S.S.; Singh, S.P.; Behl, N.K., 1974: Herbicidal control of Hydrilla verticillata. H. verticillata is a serious problem in canals, ponds and water storage tanks in India. In trials in cemented pits, paraquat at concns. of 1-1.5 ppm., diuron 5-7.5 ppm. and nitrofen 7.5 ppm. gave complete control in 12-15 days but at lower concns....

Olaleye, V.F.; Akintunde, E.A.; Akinyemiju, O.A., 1993: Effect of a herbicidal control of water hyacinth on fish composition and abundance in the Kofawei Creek, Ondo State, Nigeria. Water hyacinth (Eichhornia crassipes Mart.) infestation of the Nigerian waterways since 1984 has created a perennial problem. This paper examines the efficacy of herbicidal control of the noxious aquatic weed and its resultant effect on the fish c...

Korzun, G.P.; Kulik, L.V., 1974: The effect of herbicidal weed control on the biochemical composition of onions. Dacthal [chlorthal-dimethyl] at 20.6 kg/ha reduced the dry matter, sugar, cellulose and carotene contents of green onions; at 10 kg/ha dry onion bulb chemical composition was similar to that of the control bulbs. Similar results were obtained with...

Hanower, P.; Janicka, I.; Brzozowska, J.; Hoff, M., 1959: The herbicidal effect of 2,4-D and calcium cyanamide and their influence on yields and chemical composition on of maize in the milk-wax stage of maturity.. Gives the results of experiments in which 2, 4-D or calcium cyanamide were applied to maize pre-s owing or pre-em. and followed by 2, 4-D post-em. - From Authors' Summary.

Anonymous, 1986: Herbicidal pyridyloxyphenoxypropanols or derivatives thereof herbicidal composition containing same and their herbicidal use us patent 4586953 may 6 1986

Steward K.K., 1984: Growth of hydrilla hydrilla verticillata in hydro soils of different composition. Hydrilla was cultured in flowing water in outside aquaria on rooting media differing in fertility and texture. Nutrient content was determined for rooting media at the beginning of the experiment and for plant tissues at harvest. Growth, as measur...

Burhan, W., 1977: The effect of herbicidal control of submerged weed on water quality. The effects of cyanatryn at 0.05-2 p.p.m., diquat 0.5-2 p.p.m. and endothal 1-4 p.p.m. on hydrilla [Hydrilla sp.] and water quality were studied under greenhouse conditions. The dissolved oxygen was reduced severely after cyanatryn and diquat trea...

Gangstad, E.O., 1978: Chemical control of hydrilla. In growth pool and field studies, Hydrilla verticillata was controlled by diquat + copper at the concns. tested. In the field study, the combination of diquat at 1 p.p.m.w. + copper sulphate at 0.46 p.p.m.w. resulted in a more rapid kill than diqu...