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Nature and extent of Javanese root-knot nematode damage to flue-cured tobacco in Florida


, : Nature and extent of Javanese root-knot nematode damage to flue-cured tobacco in Florida. Bulletin, Florida Agricultural Experiment Stations, University of Florida, Gainesville, USA (826): 16

This leaflet covers details of the pathogenicity and control of Meloidogyne spp. on tobacco in Florida, USA.


Accession: 001101465

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Related references

Rich, Jr; Arens, Ml1; Johnson, Jto, 1982: Nature and extent of Javanese root-knot nematode damage to flue-cured tobacco in Florida Nicotiana tabacum, Meloidogyne javanica. Bulletin Florida Agricultural Experiment Stations: 82 (826)

Parvatha Reddy, P.; Setty, K.G.H.; Govindu, H.C., 1972: Susceptibility of flue-cured tobacco variety N.C. 95 to southern root-knot nematode. NC95 is considered resistant to Meloidogyne incognita but a record of infestation is cited, suggesting strain variation in M. incognita populations.

Krishnaprasad, K.S., 1985: Relative efficacy of few pesticides on root-knot nematode in flue cured tobacco nurseries. Various pesticides (at 4 or 8 kg a.i./ha) were applied to tobacco nurseries infested with Meloidogyne incognita. The most effective was phenamiphos reducing root-knot nematode disease by 89 to 92% compared to 74% with DD.

Johnson, C.S., 1989: Evaluation of four nematicides for root knot nematode control in flue-cured tobacco, 1988. Nemacur 3SC [fenamiphos] at 1 or 2 gal/acre, Mocap 6EC [ethoprophos] at 1 gal/acre or Lorsban 4E [chlorpyrifos] at 0.5 gal/acre were evaluated for control of Meloidogyne spp. (probably M. incognita), on tobacco in the field in USA. All nematicide...

Wallace, Alvin T., 1954: An association between narrow leaves and root-knot nematode resistance in flue-cured tobacco. Selection of wide leaved rootknot nematode resistant vars. of flue-cured tobacco has been hindered by a close association of high resistance and narrow leaves. It was found that the genotypic correlation between narrow leaf width and nematode resi...

Fortnum B.A.; Sadler E.J., 1988: Evidence against root knot nematode induced moisture stress in flue cured tobacco. Journal of Nematology 20(4): 635-636

Ramakrishnayya, BV.; Hussaini, SS., 1987: Preliminary observations on interaction of root-knot nematode and potash in flue-cured tobacco. During surveys for Meloidogyne incognita in Karnataka, India, flue-cured tobacco plants in certain fields were observed to show potash (potassium) deficiency symptoms on leaves and galls on roots. A field trial was conducted to determine the possi...

Johnson, A.W., 1989: Evaluation of nematicides on root-knot nematode control and yield of flue-cured tobacco, 1988. Ethoprop 6EC [ethoprophos] alone (at 8.96 kg a.i./ha) or with fenamiphos (at 6.72 + 3.36 and 4.48 + 2.24 kg a.i./ha), fenamiphos alone (at 4.48 and 6.72 kg a.i./ha) or with Lorsban 4E [chlorpyrifos] (at 2.24 kg a.i./ha) and Telone II [1,3-dichloro...

Johnson, A.W.; Wright, W.C., 1988: Evaluation of nematicides on root-knot nematode control and yield of flue-cured tobacco, 1987. Telone II [1,3-dichloropropene], Lorsban 4E [chlorpyrifos], fenamiphos + chlorpyrifos, fenamiphos alone, ethoprop 6EC [ethoprophos], ethprophos + fenamiphos or UGA 883 5G were evaluated for their control of Meloidogyne incognita on tobacco in the...

Fortnum, B.A.; Currin, R.E.I.I., 1985: Evaluation of selected nematicides for control of root-knot nematode on flue-cured tobacco, 1984. The experimental nematicide SDS 38697 (120 lb ai/acre) gave the greatest reduction in the number of Meloidogyne incognita larvae/100 cmsuperscript 3 of soil and untreated controls when applied to tobacco. SDS 46995 (120 lb ai/acre) also gave contr...