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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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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

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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...

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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...