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Author Ram B. KC |
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Refine your searchEcology and Management of Terrestrial Snails in Western Region of Nepal / Him P. Pathak ; Yuba R. Bhusal ; Ram B. KC
in Proceedings of the fifth National Seminar on Horticulture June 9-10, 2008 / Nepal Agricultural Research Council (NARC) (Khumaltar, Lalitpur, Nepal)
Title : Ecology and Management of Terrestrial Snails in Western Region of Nepal Material Type: printed text Authors: Him P. Pathak, Author ; Yuba R. Bhusal, Author ; Ram B. KC, Author Pagination: 116-121 p. Languages : English (eng) Keywords: Copper sulphate, damage, ecology, host crops, mortality, snails Abstract: Survey and field experiments were conducted at ARS, Pokhara, during 2003 and 2004
to know the ecology and effectiveness of different materials against terrestrial snails.
Field experiment was laid out in randomized complete block design with seven
treatments and four replications. Each treatment plot consisted of one clump of banana
with 3 stems having 15 leaves and 50 snails (Cryptaustenia sp.). All treatments were
applied in July. Survey conducted in Kaski, Tanahun, Syangja, Parvat, Nawalparasi
and Rupandehi revealed that five species of snails, namely Lissachatina fulica,
Cryptaustenia sp., Macrochlamys sp, Euaustenia sp.and Bensonia sp. were recorded
as crop pests. They were found to feed most preferably on chayote followed by tane
bodi, maize and sponge gourd in the field whereas in host choice condition, tane bodi,
french bean, maize, chayote, sponge gourd and yam were in sequence of preference
rank and the least preferred were ginger, turmeric and egg plant. The snails in field
were seen just after 2-3 showers of rain during April-May, maximum peak in July, and
theirr activity stopped with the end of monsoon. Two years mean data on snail mortality
due to treatments revealed that the spray of copper sulphate @ 5g//iter of water gave
significantly maximum mortality of snails (86.20 %). Common salt + agriculture
lime (1:5) @ 10 g/liter of water(78.90%) and dust of common salt+ wood ash (1: 5)
@ 30 kg/ha (74.60 %) were at par to cause snail mortality within 7 days after
application compared to that of untreated control (8.52 %).Link for e-copy: http://elibrary.narc.gov.np/?r=230 Ecology and Management of Terrestrial Snails in Western Region of Nepal [printed text] / Him P. Pathak, Author ; Yuba R. Bhusal, Author ; Ram B. KC, Author . - [s.d.] . - 116-121 p.
in Proceedings of the fifth National Seminar on Horticulture June 9-10, 2008 / Nepal Agricultural Research Council (NARC) (Khumaltar, Lalitpur, Nepal)
Languages : English (eng)
Keywords: Copper sulphate, damage, ecology, host crops, mortality, snails Abstract: Survey and field experiments were conducted at ARS, Pokhara, during 2003 and 2004
to know the ecology and effectiveness of different materials against terrestrial snails.
Field experiment was laid out in randomized complete block design with seven
treatments and four replications. Each treatment plot consisted of one clump of banana
with 3 stems having 15 leaves and 50 snails (Cryptaustenia sp.). All treatments were
applied in July. Survey conducted in Kaski, Tanahun, Syangja, Parvat, Nawalparasi
and Rupandehi revealed that five species of snails, namely Lissachatina fulica,
Cryptaustenia sp., Macrochlamys sp, Euaustenia sp.and Bensonia sp. were recorded
as crop pests. They were found to feed most preferably on chayote followed by tane
bodi, maize and sponge gourd in the field whereas in host choice condition, tane bodi,
french bean, maize, chayote, sponge gourd and yam were in sequence of preference
rank and the least preferred were ginger, turmeric and egg plant. The snails in field
were seen just after 2-3 showers of rain during April-May, maximum peak in July, and
theirr activity stopped with the end of monsoon. Two years mean data on snail mortality
due to treatments revealed that the spray of copper sulphate @ 5g//iter of water gave
significantly maximum mortality of snails (86.20 %). Common salt + agriculture
lime (1:5) @ 10 g/liter of water(78.90%) and dust of common salt+ wood ash (1: 5)
@ 30 kg/ha (74.60 %) were at par to cause snail mortality within 7 days after
application compared to that of untreated control (8.52 %).Link for e-copy: http://elibrary.narc.gov.np/?r=230 E-copies
http://nkcs.org.np/narc/dl/?r=230URL
in Proceedings of the fifth National Seminar on Horticulture June 9-10, 2008 / Nepal Agricultural Research Council (NARC) (Khumaltar, Lalitpur, Nepal)
Title : Efficacy of Bio.pestlcides Against the Diamondback Moth, Plutella xylostella L., U.nder Pokhara Cpridltlon Material Type: printed text Authors: Him P. Pathak, Author ; Yuba R. Bhusal, Author ; Ram B. KC, Author Pagination: 311-317 p. Languages : English (eng) Keywords: biopesticides, cauliflower, Pluta/la xylostella· Abstract: Field experiments were conducted during December to .May in the years 2005 and
2006 at ARS, Malapatan, Pokhara to compare soma commercial products of bio- .
pesticides like Neem (Margosom),Bacillus thuringiensis (Bt.) and Nuclear Polyhedrosis
Virus (NPVj with a commonly us,ed chemical insecticide, dichloNos (Nuvan) against
the diamondback moth (DBM), Plutella xy/ostalla L., in lata season cauliflower variety, ·
Kibogiant. Experiments war~ "laid out· in randomized complete block design with eight
treatments and three replications. The pre and post-treatment results ware recorded on
number of DBM laNa a and holes made by it, pupae per plant, . infested and marketao/e
curd .weight per plot. Two years maim results revealed that significantly '(p< 0.01)
minimum number of laNaa (0.~3) and pupae(0.50) par curd were found in the plots
alternately treated with Bt.( Bio'-lep) @ 2.-5gllitar·ot water and NPV-spodo 100LE @
1. o. mVIitar of water for three times at 15 days int~Nal resulting in minimum· damage of
'(5.28%) and maximum marketable curd yield (23.32 t/ha) in ~au/if/ower followed by
dichloN~s (Nuvan)@ 1 mV/itar of water applied for 10 times at. weakly intaNal where
number ·of laNI!J.e, pupae pa_r curd, damage per cant and.marketabla curd yield ware
1.0, 0.57, 8.37% and 21.61 t/ha, respectively compared to maximum number ·of
laNaa, pupae and higher par cant damage and minimum yield with 4.17, 3.89,46.04%
and11.69 t/ha in un'traatad control. Over all re~u/ts indicate that the usa of Bt. and NPV
in_ alternate way can be promoted as an alternative to dichloNos (Nuvan) for the
management of diamond back riioth in cauliflower that ultimately minimizes health risk
to the consumers.Link for e-copy: http://elibrary.narc.gov.np/?r=267 Efficacy of Bio.pestlcides Against the Diamondback Moth, Plutella xylostella L., U.nder Pokhara Cpridltlon [printed text] / Him P. Pathak, Author ; Yuba R. Bhusal, Author ; Ram B. KC, Author . - [s.d.] . - 311-317 p.
in Proceedings of the fifth National Seminar on Horticulture June 9-10, 2008 / Nepal Agricultural Research Council (NARC) (Khumaltar, Lalitpur, Nepal)
Languages : English (eng)
Keywords: biopesticides, cauliflower, Pluta/la xylostella· Abstract: Field experiments were conducted during December to .May in the years 2005 and
2006 at ARS, Malapatan, Pokhara to compare soma commercial products of bio- .
pesticides like Neem (Margosom),Bacillus thuringiensis (Bt.) and Nuclear Polyhedrosis
Virus (NPVj with a commonly us,ed chemical insecticide, dichloNos (Nuvan) against
the diamondback moth (DBM), Plutella xy/ostalla L., in lata season cauliflower variety, ·
Kibogiant. Experiments war~ "laid out· in randomized complete block design with eight
treatments and three replications. The pre and post-treatment results ware recorded on
number of DBM laNa a and holes made by it, pupae per plant, . infested and marketao/e
curd .weight per plot. Two years maim results revealed that significantly '(p< 0.01)
minimum number of laNaa (0.~3) and pupae(0.50) par curd were found in the plots
alternately treated with Bt.( Bio'-lep) @ 2.-5gllitar·ot water and NPV-spodo 100LE @
1. o. mVIitar of water for three times at 15 days int~Nal resulting in minimum· damage of
'(5.28%) and maximum marketable curd yield (23.32 t/ha) in ~au/if/ower followed by
dichloN~s (Nuvan)@ 1 mV/itar of water applied for 10 times at. weakly intaNal where
number ·of laNI!J.e, pupae pa_r curd, damage per cant and.marketabla curd yield ware
1.0, 0.57, 8.37% and 21.61 t/ha, respectively compared to maximum number ·of
laNaa, pupae and higher par cant damage and minimum yield with 4.17, 3.89,46.04%
and11.69 t/ha in un'traatad control. Over all re~u/ts indicate that the usa of Bt. and NPV
in_ alternate way can be promoted as an alternative to dichloNos (Nuvan) for the
management of diamond back riioth in cauliflower that ultimately minimizes health risk
to the consumers.Link for e-copy: http://elibrary.narc.gov.np/?r=267 E-copies
http://nkcs.org.np/narc/dl/?r=267URL
