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Studies on some aspects of control of the yam nematode, Scutellonema bradys

, : Studies on some aspects of control of the yam nematode, Scutellonema bradys. Acta Horticulturae (53): 249-256

Dipping tubers of water yam (Dioscorea alata) infested by the nematode S. bradys in hot water at 50-55 deg C for 40 min completely suppressed the nematode without adversely affecting the storage life, germination, growth and yield of the tubers. Although application of NPK and nemagon completely suppressed the nematode, nemagon significantly reduced tuber yield. The use of FYM gave the highest yield and considerably suppressed the nematode.

Accession: 000511639

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Related references

Adesiyan, S.O.; Adeniji, M.O., 1976: Studies on some aspects of yam nematode (Scutellonema bradys). Dipping Scutellonema bradys infected tubers of Dioscorea alata and D. cayenensis in hot water at 50 to 60 deg C for 40 minutes completely eliminated the nematode. Temperatures above 55 deg C damaged the tubers which rotted rapidly in storage. Temp...

Adesiyan, S.O., 1976: Host range studies of the yam nematode scutellonema bradys. A host range study of 30 crop plants and weeds revealed that benniseed (Sesamum indicum L.) and cowpea (Vigna unguiculata Walp.) were good alternative hosts of S. bradys in Nigeria. Siam weed (Eupatorium odoratum L.), Synedrella sp., roselle (Hibi...

Adesiyan, S.O.; Badra, T., 1982: Granular Nematicides for Control of the Yam Nematode, Scutellonema bradys, and Relevant Residues in Raw Tubers. Four granular nentaticides were evaluated for control of the yam nematode, Scutellonema bradys (Steiner &LeHew) Andrassy, on Guinea yam, Dioscorea rotundata Poir, under field conditions prevelant in the tropics. A single application of nematic...

Mounport D.; Baujard P.; Martiny B., 1991: Ultrastructure of the cuticle and vaginal region of scutellonema bradys scutellonema cavenessi and scutellonema clathricaudatum nemata hoplolaimidae. The fine structure of the cuticle and vaginal region in Scutellonema bradys, S. cavenessi and S. clathricaudatum is described. The body cuticle is a seven layered structure corresponding to the hoplolaimid type. Cuticle thickness and fine structur...

Kwoseh, C.; Plowright, R.A.; Bridge, J., 2002: The yam nematode: Scutellonema bradys. The sources and genetics of resistance to the yam nematode, S. bradys, are discussed. A method for screening for yam nematode resistance is also presented.

Adesiyan, S.O., 1976: The mechanism of action of the yam nematode scutellonema bradys. Chromatographic analysis of the incubation solution of S. bradys showed that 5 amino acids, aspartic acid, phenylalanine, hydroxyinol acetic acid, leucine and isoleucine, were discharged by this nematode. Pectinase and amylase activities were dete...

Crozzoli P.R.; Parra M.D.M., 1991: Detection of the nematode Scutellonema bradys causing dry rot of yam in Venezuela. S. bradys is detected causing dry rot in yams for the first time in Venezuela. A brief description of the symptoms of damage and morphometrics of the nematode is given.

Crozzoli P.R.; Parra M.D.M., 1991: Detection of the nematode scutellonema bradys causal agent of the dry rot of yam in venezuela. Fitopatologia Venezolana 4(1): 26

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