Abstract
An experiment was carried out to investigate possible use of several systemic insecticides as seed treatment to control some insect pests of rice, barley and soybean. The insecticides were impregnated with active carbon dust and water solution of methyl cellulose as skicker. The seeds were dressed with the insecticides: Fussol (Monofluoroacetamide), Dimethoate (0, 0-dimethyl-S-(N-methyl carbamoylmethyl) phosphorodithioate), Metasystox (0, 0-dimethyl 0-2 ethylthioethyl phosphorodithioate), Dimecron (0, 0-dimethyl (diethylamide-1-chlorocrotonyl) Phosphate). The seeds were treated at the rate of by grain weight. Effects of seed treatments with systemic insecticides on the seed germination and insecticidal effectiveness were tested. Fer rice, no seed germination was observed in Fussol treatment. Dimethoate, Metasystox and Dimecron showed a slight reduction in germination when seeds were sown 1 day after treatment, but they showed gradual reduction in germination when seeds were sown 20 and 45 days after treatment. Especially Diriethoate treatment showed significant reduction in germination after 20 and 45 days of storage. All the insecticides reduced seedling stands of barley somewhat. No plant emergence was observed in Fussol treatments after 25 and :to days of storage. In case of the 40 days of storge in barley seed treated with Dimethoate, Hetasystox and Dimecron there was no gignificant reduction in plant emergence except Fussol treatment. Dimethoate was highly toxic to the soybean seed viability. However, there was no significant reduction in the soybean germination after 1 day of storage. in Fussol, Metasystox and Dimecron treatments After 25 days of storag in Fussol and Dimethoate treatments, no plant emergence was observed, and there was emergence in Metasystox treatment, and emergence in Dimecron treatment. Dimethoate treatment in rice seed(variety Suwon # 82) showed mortality at the twentieth day and at the thirtieth day after sowing against the green rice leafhopper, Nephotettix cincticeps But no visible effectiveness was observed in Metasystox and Dimecron treatments. Dimethoate treatment in barley seed resulted in low population density of aphids. Rhopalosiphum spp. Final observation on the number of eggs per plant was made at the fiftieth day after sowing; 2 in Dimethoate, 4 in Fussol, 6 in Metasystox, 7 in Dimecron, and 13 in check plots. All the insecticides tested resulted in good insecticidal effectiveness against the aphids, Aulocorthum solani on soybean plant at the ninth day infestation after sowing. Dimethote, Metasystox, and Dimecron treated soybean plants was still effective in controlling the aphids to the eighteenth day infestation,
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Claims 11
Claim · model-written summary
Fussol prevented rice germination.
- Taxon
- rice
Oryza sativae0 - Treatment
- Fussol treatmente0
- Outcome
- seed germinatione0
- Direction
- no seed germinatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fer rice, no seed germination was observed in Fussol treatment.”
Claim · model-written summary
Dimethoate, Metasystox and Dimecron slightly reduced rice germination after one day.
- Taxon
- Rice, Barley and Soybean
Glycine max.jpg?width=60)
Hordeum vulgareOryza sativat0 - Treatment
- Dimethoate, Metasystox and Dimecrone0
- Outcome
- germinatione0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Dimethoate, Metasystox and Dimecron showed a slight reduction in germination when seeds were sown 1 day after treatment”
t0“Rice, Barley and Soybean”
Claim · model-written summary
Those insecticides progressively reduced rice germination after 20 and 45 days.
- Taxon
- Rice, Barley and SoybeanGlycine maxHordeum vulgareOryza sativat0
- Outcome
- germinatione0
- Direction
- reductione0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“they showed gradual reduction in germination when seeds were sown 20 and 45 days after treatment.”
t0“Rice, Barley and Soybean”
Claim · model-written summary
Dimethoate significantly reduced rice germination after 20 and 45 days storage.
- Taxon
- Rice, Barley and SoybeanGlycine maxHordeum vulgareOryza sativat0
- Treatment
- Diriethoate treatmente0
- Outcome
- germinatione0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Especially Diriethoate treatment showed significant reduction in germination after 20 and 45 days of storage.”
t0“Rice, Barley and Soybean”
Claim · model-written summary
All insecticides reduced barley seedling stands somewhat.
- Taxon
- barleyHordeum vulgaree0
- Treatment
- All the insecticidese0
- Outcome
- seedling standse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the insecticides reduced seedling stands of barley somewhat.”
Claim · model-written summary
Fussol prevented barley emergence after storage.
- Taxon
- Rice, Barley and SoybeanGlycine maxHordeum vulgareOryza sativat0
- Treatment
- Fussol treatmentse0
- Outcome
- plant emergencee0
- Direction
- No plant emergencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No plant emergence was observed in Fussol treatments after 25 and :to days of storage.”
t0“Rice, Barley and Soybean”
Claim · model-written summary
Dimethoate was highly toxic to soybean seed viability.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Dimethoatee0
- Outcome
- seed viabilitye0
- Direction
- highly toxice0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dimethoate was highly toxic to the soybean seed viability.”
Claim · model-written summary
Fussol and Dimethoate prevented soybean emergence after 25 days storage.
- Taxon
- Rice, Barley and SoybeanGlycine maxHordeum vulgareOryza sativat0
- Treatment
- Fussol and Dimethoate treatmentse0
- Outcome
- plant emergencee0
- Direction
- no plant emergencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 25 days of storag in Fussol and Dimethoate treatments, no plant emergence was observed”
t0“Rice, Barley and Soybean”
Claim · model-written summary
Dimethoate on rice seed caused green rice leafhopper mortality.
- Taxon
- riceOryza sativae0
- Treatment
- Dimethoate treatmente0
- Interactor
- Nephotettix cincticeps
Nephotettix cincticepse0pest - Outcome
- mortalitye0
- Direction
- mortalitye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dimethoate treatment in rice seed(variety Suwon # 82) showed mortality at the twentieth day and at the thirtieth day after sowing against the green rice leafhopper, Nephotettix cincticeps”
Claim · model-written summary
Dimethoate reduced barley aphid population density.
- Taxon
- barleyHordeum vulgaree0
- Treatment
- Dimethoate treatmente0
- Interactor
- Rhopalosiphum spp.Rhopalosiphume0pest
- Outcome
- population density of aphidse0
- Direction
- lowe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Dimethoate treatment in barley seed resulted in low population density of aphids. Rhopalosiphum spp.”
Claim · model-written summary
Tested insecticides controlled soybean aphids at day nine.
- Taxon
- soybeanGlycine maxe0
- Treatment
- All the insecticides testede0
- Interactor
- Aulocorthum solanie0pest
- Outcome
- insecticidal effectivenesse0
- Direction
- goode0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the insecticides tested resulted in good insecticidal effectiveness against the aphids, Aulocorthum solani on soybean plant at the ninth day infestation after sowing.”
The same questions in other papers
dimethoate · growth · Oryza sativa (rice)Results agree
1 paper in the same direction as this paper
- negative
dimethoate · growth · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- no effect
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.