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Control of potato leaf roll virus in seed-potato crops


, : Control of potato leaf roll virus in seed-potato crops. Biennial Report of the Waite Agricultural Research Institute, 1984-85: 143

The best results with spray compounds and granular systemic insecticides against the vectors of PLRV were obtained with Dimethoate and Aldicarb, respectively. In a field trial with Exton, secondary leaf roll infection caused significant yield reduction. Yield loss was also correlated with percentage of infected plants and distance of planting.


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Related references

Butzonitch, I.P.; Hansen, A.; Sy, P., 1974: Potato virus Y and potato leaf roll in potato crops south-east of Buenos Aires in relation to the import of seed potato. Data are presented on the incidence of the 2 viruses on 4 Argentinian and 7 imported cvs. The indigenous cvs. were more resistant.

Marco S., 1980: The use of insecticides to control potato leaf roll virus in seed potato crops on the golan heights israel. Experiments were carried out in the laboratory and in the field for 3 yr, in an attempt to protect seed-potato crops on the Golan Heights from potato leafroll virus (PLRV) by insecticides. The best results with spray compounds were obtained with p...

Marco S., 1984: Spread of potato leaf roll virus in seed potato crops in israel. Phytoparasitica 12(3-4): 211-212

Woodford J.A.T.; Harrison B.D.; Aveyard C.S.; Gordon S.C., 1983: Insecticidal control of aphids and the spread of potato leaf roll virus in potato crops in eastern scotland uk. Field experiments were carried out in eastern Scotland in 1976-1978 to test the ability of granular insecticides, applies to soil at planting, and of insecticide sprays applied to the foliage, to control aphids and spread of potato leafroll virus...

Hecht, H.; Fritz, A.; Arenz, B., 1963: Diphenylamine in testing for Potato leaf roll virus in practice. The leaf punch method in chemical testing for Potato leaf roll virus (diphenylamine reaction). New Dische reagent for demonstrating leaf roll virus and its spectrometric checking in multi-component mixtures. On the practical accuracy of leaf roll virus tests. All these papers deal with the diphenylamine test and the last with the Igel-Lange test also. It was concluded that neither, in spite of improvements, is accurate enough for practical purposes.

Allam E.K.; Omar R.A.; E.D.n A.S.G., 1974: Studies on potato leaf roll virus part 4 the effect of potato leaf roll virus on the yield and chemical composition of potato plants and tubers. Egyptian Journal of Phytopathology 6: 11-16

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Sibara M.M.; Slack S.A., 1985: Incidence of beet western yellows virus and potato leaf roll virus in potato leaf roll affected potato plants. Phytopathology 75(11): 1292

Paet, C.N.; Zamora, A.B., 1990: Efficacy of thermotherapy and group culture of isolated potato meristems for the elimination of single and mixed infections of potato virus Y, potato virus S and potato leaf roll virus. Shoots of 8 locally bred cultivars were exposed daily to 30-35 degrees C: 8 h dark; 37-40 degrees : 16 h light for 4 weeks in a heat chamber and used as sources of meristems. The response to heat treatment and rate of plantlet development from mer...

Hohener, H.; Schmidt, A., 1962: Results of trials with thiometon to control leaf-roll disease in seed-potato crops.. In trials in Switzerland, applying 2 1. thiometon/ha on 25 May when less than 1 Myzus persicae/100 leaves was present reduced leaf-roll infection in the vicinity of infected plants from 20.9% to 3.6%. A second treatment of 1 l./ha 14 days later re...