Abstract
The efficacy of some combination fungicides like fenamidone 10% + mancozeb 50% WDG, metiram 55% + pyraclostrobin 5% WG and cymoxanil 8% + mancozeb 64% WP along with commonly used fungicides viz., dimethomorph 50% WP, fosetyl Al 80% WP, mancozeb 75 WP, metalaxyl 8% + mancozeb 64% WP, captan 70% + hexaconazole% WP and carbendazim 25% + mancozeb 50% WS were tested against early blight of potato cv. kufri pukhraj at Agricultural Research Station, Ladol and Potato Research Station, Deesa, S. D. Agril. University, Gujarat during 2015-16 to 2017-18. A variant with no application of fungicide was used as a control. All the treatments reduced the disease intensity significantly as compared to untreated check. The data on PDI of early blight of potato was recorded periodically at 50, 60 and 70 days after sowing with consecutive three spray of fungicides at 15 days interval and was found low to moderate in range (10.07–37.98 %). The lowest per cent disease intensity (PDI) 10.07 was observed in case of fenamidone 10% + mancozeb 50% WDG @ 0.2% treatment (2.5 gm/l) followed T8 spraying of metiram 55% + pyraclostrobin 5% WG @ 0.2% (2 gm/l) and T2 spraying of cymoxanil 8% + mancozeb 64% WP @ 0.25% (2.5 gm/l) with its PDI at par values. It significantly reduced the early blight as compared to control. Similarly, the highest yield of potato tubers was also recorded in T1 spraying of fenamidone 10% + mancozeb 50% WDG @ 0.2% (2.5 gm/litre) against early blight with 51661 kg/ha followed by metiram 55% + pyraclostrobin 5% WG @ 0.2% (2.0 gm/litre) and cymoxanil 8% + mancozeb 64% WP @ 0.2% (2.5 gm/litre) with its yield 49309 and 48984 kg/ha, respectively. Thus, it can be said that combination of systemic and contact fungicides effectively suppressed pre- as well as post-infection activity and inhibited sporulation and/or restricted lesion expansion of early blight pathogen. Also found increase in the yield of potato as well.
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Claims 6
Claim · model-written summary
All fungicide treatments significantly reduced potato early blight intensity versus the untreated check.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- All the treatmentse0
- Interactor
- Alternaria solani
Alternaria solanit0pathogen - Outcome
- disease intensitye0
- Direction
- reducede0
- Comparator
- untreated checke0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All the treatments reduced the disease intensity significantly as compared to untreated check.”
t0“potato (Solanum tuberosum L.) caused by Alternaria solani”
Claim · model-written summary
Across measurements, early blight PDI was low to moderate, ranging from 10.07 to 37.98%.
- Taxon
- potatoSolanum tuberosume0
- Interactor
- Alternaria solaniAlternaria solanit0pathogen
- Outcome
- PDI of early blighte0
- Value
- 10.07–37.98 %e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PDI of early blight of potato was recorded periodically at 50, 60 and 70 days after sowing with consecutive three spray of fungicides at 15 days interval and was found low to moderate in range (10.07–37.98 %).”
t0“Alternaria solani”
Claim · model-written summary
Fenamidone plus mancozeb gave the lowest early blight PDI, 10.07.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- fenamidone 10% + mancozeb 50% WDG @ 0.2% treatment (2.5 gm/l)e0
- Interactor
- Alternaria solaniAlternaria solanit0pathogen
- Outcome
- per cent disease intensity (PDI)e0
- Direction
- loweste0
- Value
- 10.07e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lowest per cent disease intensity (PDI) 10.07 was observed in case of fenamidone 10% + mancozeb 50% WDG @ 0.2% treatment (2.5 gm/l)”
t0“potato (Solanum tuberosum L.) caused by Alternaria solani”
Claim · model-written summary
Fenamidone plus mancozeb produced the highest potato tuber yield, 51661 kg/ha.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- fenamidone 10% + mancozeb 50% WDG @ 0.2% (2.5 gm/litre)e0
- Outcome
- yield of potato tuberse0
- Direction
- higheste0
- Value
- 51661 kg/hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“highest yield of potato tubers was also recorded in T1 spraying of fenamidone 10% + mancozeb 50% WDG @ 0.2% (2.5 gm/litre) against early blight with 51661 kg/ha”
Claim · model-written summary
Metiram plus pyraclostrobin yielded 49309 kg/ha of potato tubers.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- metiram 55% + pyraclostrobin 5% WG @ 0.2% (2.0 gm/litre)e0
- Outcome
- yielde0
- Value
- 49309e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“metiram 55% + pyraclostrobin 5% WG @ 0.2% (2.0 gm/litre) and cymoxanil 8% + mancozeb 64% WP @ 0.2% (2.5 gm/litre) with its yield 49309 and 48984 kg/ha, respectively”
t0“Potato (Solanum tuberosum L.)”
Claim · model-written summary
Cymoxanil plus mancozeb yielded 48984 kg/ha of potato tubers.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- cymoxanil 8% + mancozeb 64% WP @ 0.2% (2.5 gm/litre)e0
- Outcome
- yielde0
- Value
- 48984 kg/hae0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cymoxanil 8% + mancozeb 64% WP @ 0.2% (2.5 gm/litre) with its yield 49309 and 48984 kg/ha, respectively”
t0“Potato (Solanum tuberosum L.)”
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See all 18 papers →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.