Abstract
Sheath rot, Sarocdadium oryzae (Sawada) Gams. and Hawksw., has recently become a serious disease of rice when climatic conditions are unfavorable during flag sheath development. In this study systemic and nonsystemic fungicides were tested against S. oryzae. Maximum inhibition of radial growth (76.53%) was recorded at 10.0ppm of tebuconazole fungicides. In non-systemic fungicides, maximum inhibition of radial growth (78.86%) was recorded at 200.0ppm. Comparative efficacy of fungicides on sheath rot was tested during Kharif 2008-2009. Foliar spray of tebuconazole was found superior overall other treatments giving reduction in disease severity (59.01-64.33%), which was followed by followed by carbendazim (48.70-55.28%), and also increased grain yield per plant (45.06-65.84%), grain yield per plot (45.57-65.85%), 1000-grains weight (10.80-52.58%) and reduction in chaffiness (48.07-53.80%). Among non-systemic fungicides chorothalonil was found best in managing sheath rot, giving reduction in disease severity (35.68-38.85%), and also increased grain yield per plant (24.78-44.74%), grain yield per plot (24.52-44.57%), 1000-grains weight (4.25-35.47%) and reduction in chaffiness (15.74-45.96%) as compared to check. Another field experiment was conducted during Kharif 2009-10 to observe sheath rot incidence on rice cultivars in Tarai region. The incidence was recorded in thirty three varieties; only varieties (Type-3 and Basmati-370) were recorded as free from disease symptoms.
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Claims 14
Claim · model-written summary
Tebuconazole at 10.0ppm gave 76.53% maximum inhibition of pathogen radial growth.
- Taxon
- rice
Oryza sativat0 - Treatment
- 10.0ppm of tebuconazole fungicidese0
- Interactor
- Sarocladium oryzae
Sarocladium oryzaet0pathogen - Outcome
- radial growthe0
- Direction
- inhibitione0
- Value
- 76.53%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum inhibition of radial growth (76.53%) was recorded at 10.0ppm of tebuconazole fungicides”
t0“rice caused by Sarocladium oryzae”
Claim · model-written summary
Nonsystemic fungicide at 200.0ppm gave 78.86% maximum inhibition of radial growth.
- Taxon
- riceOryza sativat0
- Treatment
- non-systemic fungicidese0
- Interactor
- Sarocladium oryzaeSarocladium oryzaet0pathogen
- Outcome
- radial growthe0
- Direction
- inhibitione0
- Value
- 78.86%e0
- Qualifier
- 200.0ppme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In non-systemic fungicides, maximum inhibition of radial growth (78.86%) was recorded at 200.0ppm”
t0“rice caused by Sarocladium oryzae”
Claim · model-written summary
Tebuconazole foliar spray reduced sheath rot severity by 59.01-64.33%.
- Taxon
- riceOryza sativat0
- Treatment
- Foliar spray of tebuconazolee0
- Interactor
- Sarocladium oryzaeSarocladium oryzaet0pathogen
- Outcome
- disease severitye0
- Direction
- reductione0
- Value
- 59.01-64.33%e0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spray of tebuconazole was found superior overall other treatments giving reduction in disease severity (59.01-64.33%)”
t0“rice caused by Sarocladium oryzae”
Claim · model-written summary
Carbendazim reduced sheath rot severity by 48.70-55.28%.
- Taxon
- riceOryza sativat0
- Treatment
- carbendazime0
- Interactor
- Sarocladium oryzaeSarocladium oryzaet0pathogen
- Outcome
- disease severitye1
- Direction
- reductione1
- Value
- 48.70-55.28%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“followed by followed by carbendazim (48.70-55.28%)”
e1“reduction in disease severity (59.01-64.33%), which was followed by followed by carbendazim (48.70-55.28%)”
t0“rice caused by Sarocladium oryzae”
Claim · model-written summary
Tebuconazole increased grain yield per plant by 45.06-65.84%.
- Taxon
- riceOryza sativat0
- Treatment
- Foliar spray of tebuconazolee0
- Outcome
- grain yield per plante1
- Direction
- increasede1
- Value
- 45.06-65.84%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spray of tebuconazole”
e1“increased grain yield per plant (45.06-65.84%)”
t0“rice”
Claim · model-written summary
Tebuconazole increased grain yield per plot by 45.57-65.85%.
- Taxon
- riceOryza sativat0
- Treatment
- Foliar spray of tebuconazolee0
- Outcome
- grain yield per plote1
- Direction
- increasede2
- Value
- 45.57-65.85%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spray of tebuconazole”
e1“grain yield per plot (45.57-65.85%)”
e2“increased grain yield per plant (45.06-65.84%), grain yield per plot”
t0“rice”
Claim · model-written summary
Tebuconazole increased thousand grain weight by 10.80-52.58%.
- Taxon
- riceOryza sativat0
- Treatment
- Foliar spray of tebuconazolee0
- Outcome
- 1000-grains weighte1
- Direction
- increasede2
- Value
- 10.80-52.58%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spray of tebuconazole”
e1“1000-grains weight (10.80-52.58%)”
e2“increased grain yield per plant (45.06-65.84%), grain yield per plot (45.57-65.85%), 1000-grains weight”
t0“rice”
Claim · model-written summary
Tebuconazole reduced chaffiness by 48.07-53.80%.
- Taxon
- riceOryza sativat0
- Treatment
- Foliar spray of tebuconazolee0
- Outcome
- chaffinesse1
- Direction
- reductione1
- Value
- 48.07-53.80%e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliar spray of tebuconazole”
e1“reduction in chaffiness (48.07-53.80%)”
t0“rice”
Claim · model-written summary
Chorothalonil reduced sheath rot severity by 35.68-38.85%.
- Taxon
- riceOryza sativat0
- Treatment
- chorothalonile0
- Interactor
- Sarocladium oryzaeSarocladium oryzaet0pathogen
- Outcome
- disease severitye0
- Direction
- reductione0
- Value
- 35.68-38.85%e0
- Comparator
- checke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chorothalonil was found best in managing sheath rot, giving reduction in disease severity (35.68-38.85%)”
e1“as compared to check”
t0“rice caused by Sarocladium oryzae”
Claim · model-written summary
Chorothalonil increased grain yield per plant by 24.78-44.74%.
- Taxon
- riceOryza sativat0
- Treatment
- chorothalonile0
- Outcome
- grain yield per plante1
- Direction
- increasede1
- Value
- 24.78-44.74%e1
- Comparator
- checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chorothalonil”
e1“increased grain yield per plant (24.78-44.74%)”
e2“as compared to check”
t0“rice”
Claim · model-written summary
Chorothalonil increased grain yield per plot by 24.52-44.57%.
- Taxon
- riceOryza sativat0
- Treatment
- chorothalonile0
- Outcome
- grain yield per plote1
- Direction
- increasede2
- Value
- 24.52-44.57%e1
- Comparator
- checke3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chorothalonil”
e1“grain yield per plot (24.52-44.57%)”
e2“increased grain yield per plant (24.78-44.74%), grain yield per plot”
e3“as compared to check”
t0“rice”
Claim · model-written summary
Chorothalonil increased thousand grain weight by 4.25-35.47%.
- Taxon
- riceOryza sativat0
- Treatment
- chorothalonile0
- Outcome
- 1000-grains weighte1
- Direction
- increasede2
- Value
- 4.25-35.47%e1
- Comparator
- checke3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chorothalonil”
e1“1000-grains weight (4.25-35.47%)”
e2“increased grain yield per plant (24.78-44.74%), grain yield per plot (24.52-44.57%), 1000-grains weight”
e3“as compared to check”
t0“rice”
Claim · model-written summary
Chorothalonil reduced chaffiness by 15.74-45.96%.
- Taxon
- riceOryza sativat0
- Treatment
- chorothalonile0
- Outcome
- chaffinesse1
- Direction
- reductione1
- Value
- 15.74-45.96%e1
- Comparator
- checke2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“chorothalonil”
e1“reduction in chaffiness (15.74-45.96%)”
e2“as compared to check”
t0“rice”
Claim · model-written summary
Type-3 and Basmati-370 were free of sheath rot symptoms among 33 tested varieties.
- Taxon
- riceOryza sativat0
- Material
- Type-3 and Basmati-370e0
- Interactor
- Sarocladium oryzaeSarocladium oryzaet0pathogen
- Outcome
- free from disease symptomse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The incidence was recorded in thirty three varieties; only varieties (Type-3 and Basmati-370) were recorded as free from disease symptoms”
t0“rice caused by Sarocladium oryzae”
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