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Participatory Black Scurf Disease Management on Potato in Nepal / Sharma, B.P. in Nepal Agriculture Research Journal, Vol. 8 (2007)
[article]
Title : Participatory Black Scurf Disease Management on Potato in Nepal Material Type: printed text Authors: Sharma, B.P., Author ; KC, R.B., Author Publication Date: 2007 Article on page: 56-62 p Languages : English (eng) Keywords: Boric acid, fungicides, potato, Rhizoctonia solani, Trichoderma harzianum Abstract: A farmer’s participatory field experiment was accomplished during three consecutive years
(2003-2005) for the sustainable management of black scurf disease of potato at
Mainapokhar, Bardiya, Nepal. A heavily infested field with Rhizoctonia solani was selected
prior to experimentation. Experiment was laid out in randomized complete block design
with three replications. The efficacy of two concentrations (2% and 3%) of boric acid and
0.15% of Thiophanate Methyl were tested for disease control through seed treatment. An
antagonistic fungus Trichoderma harzianum was used as seed and soil treatment. As per
treatment plan some plots were sterilized with formaldehyde 1% prior to planting. The plots
having healthy seed (pre-basic seed) planted in sterilized plots showed minimum disease
(6.8%) followed by 3% boric acid treated seed planted in sterilized plots (10.8%) and 2%
boric acid without soil sterilization (13.1%) and seed and soil treated plot with T. harzianum
(17.1%). Farmers did not accept treatments connected with soil sterilization by Formalin.
After analyzing the overall results of three years experiment farmers choose seed treatment
with 2% boric acid prior to planting and identified application of Trichoderma harzianum
for black scurf management as second option.Link for e-copy: http://elibrary.narc.gov.np/?r=28
in Nepal Agriculture Research Journal > Vol. 8 (2007) . - 56-62 p[article] Participatory Black Scurf Disease Management on Potato in Nepal [printed text] / Sharma, B.P., Author ; KC, R.B., Author . - 2007 . - 56-62 p.
Languages : English (eng)
in Nepal Agriculture Research Journal > Vol. 8 (2007) . - 56-62 p
Keywords: Boric acid, fungicides, potato, Rhizoctonia solani, Trichoderma harzianum Abstract: A farmer’s participatory field experiment was accomplished during three consecutive years
(2003-2005) for the sustainable management of black scurf disease of potato at
Mainapokhar, Bardiya, Nepal. A heavily infested field with Rhizoctonia solani was selected
prior to experimentation. Experiment was laid out in randomized complete block design
with three replications. The efficacy of two concentrations (2% and 3%) of boric acid and
0.15% of Thiophanate Methyl were tested for disease control through seed treatment. An
antagonistic fungus Trichoderma harzianum was used as seed and soil treatment. As per
treatment plan some plots were sterilized with formaldehyde 1% prior to planting. The plots
having healthy seed (pre-basic seed) planted in sterilized plots showed minimum disease
(6.8%) followed by 3% boric acid treated seed planted in sterilized plots (10.8%) and 2%
boric acid without soil sterilization (13.1%) and seed and soil treated plot with T. harzianum
(17.1%). Farmers did not accept treatments connected with soil sterilization by Formalin.
After analyzing the overall results of three years experiment farmers choose seed treatment
with 2% boric acid prior to planting and identified application of Trichoderma harzianum
for black scurf management as second option.Link for e-copy: http://elibrary.narc.gov.np/?r=28