Abstract
Field experiment was conducted at Chiplima, Sambalpur, Odisha during wet and dry seasons of 2011–2013 to assess the effect of nitrogen application, fungicidal sprays and varietal resistance on leaf blast disease severity and yield of rice. There was a progressive increase of leaf blast severity with full doses of nitrogen as compared to the application of two-third of the recommended dose in the susceptible variety Swarna. During wet season, the best treatment observed was Swarna with 2–3 sprays of Tricyclazole 75 WP @0.6 g l−1 and 2/3rd nitrogen level showing 89.65% disease control, whereas during dry season, treatment having the resistant variety Pratikshya with 100% N was the best giving 96.92% disease control over check and was significantly superior to other treatments. The resistant variety with 100% N showed constantly low disease severity throughout the experiment in both the seasons. Two to three applications of Tricyclazole 75 WP @0.6 g l−1 along with two third recommended dose of N showed maximum increase in yield (43.74% in dry season and 59.96% in wet season) in the susceptible variety.
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Claims 6
Claim · model-written summary
Full nitrogen doses progressively increased blast severity in Swarna against two thirds dose.
- Taxon
- rice
Oryza sativae1 - Material
- Swarnae0
- Treatment
- full doses of nitrogene0
- Outcome
- leaf blast severitye0
- Direction
- increasee0
- Comparator
- two-third of the recommended dosee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“progressive increase of leaf blast severity with full doses of nitrogen as compared to the application of two-third of the recommended dose in the susceptible variety Swarna”
e1“yield of rice”
Claim · model-written summary
Wet season Swarna with two to three Tricyclazole sprays and two thirds nitrogen achieved 89.65% disease control.
- Taxon
- riceOryza sativae1
- Material
- Swarnae0
- Treatment
- 2–3 sprays of Tricyclazole 75 WP @0.6 g l−1 and 2/3rd nitrogen levele0
- Outcome
- disease controle0
- Direction
- beste0
- Value
- 89.65%e0
- Qualifier
- wet seasone0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During wet season, the best treatment observed was Swarna with 2–3 sprays of Tricyclazole 75 WP @0.6 g l−1 and 2/3rd nitrogen level showing 89.65% disease control”
e1“yield of rice”
Claim · model-written summary
Dry season resistant Pratikshya at full nitrogen achieved 96.92% disease control over check.
- Taxon
- riceOryza sativae1
- Material
- Pratikshyae0
- Treatment
- 100% Ne0
- Outcome
- disease controle0
- Direction
- superiore0
- Value
- 96.92%e0
- Qualifier
- dry seasone0
- Comparator
- checke0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“during dry season, treatment having the resistant variety Pratikshya with 100% N was the best giving 96.92% disease control over check and was significantly superior to other treatments”
e1“yield of rice”
Claim · model-written summary
The resistant variety under full nitrogen maintained low blast severity in both seasons.
- Taxon
- riceOryza sativae1
- Material
- resistant varietye0
- Treatment
- 100% Ne0
- Outcome
- disease severitye0
- Direction
- lowe0
- Qualifier
- both the seasonse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The resistant variety with 100% N showed constantly low disease severity throughout the experiment in both the seasons.”
e1“yield of rice”
Claim · model-written summary
Tricyclazole plus two thirds nitrogen raised susceptible variety yield 43.74% in dry season.
- Taxon
- riceOryza sativae1
- Material
- susceptible varietye0
- Treatment
- Two to three applications of Tricyclazole 75 WP @0.6 g l−1 along with two third recommended dose of Ne0
- Outcome
- yielde0
- Direction
- increasee0
- Value
- 43.74%e0
- Qualifier
- dry seasone0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two to three applications of Tricyclazole 75 WP @0.6 g l−1 along with two third recommended dose of N showed maximum increase in yield (43.74% in dry season and 59.96% in wet season) in the susceptible variety.”
e1“yield of rice”
Claim · model-written summary
The same treatment raised yield 59.96% in wet season.
- Taxon
- riceOryza sativae1
- Material
- susceptible varietye0
- Treatment
- Two to three applications of Tricyclazole 75 WP @0.6 g l−1 along with two third recommended dose of Ne0
- Outcome
- yielde0
- Direction
- increasee0
- Value
- 59.96%e0
- Qualifier
- wet seasone0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Two to three applications of Tricyclazole 75 WP @0.6 g l−1 along with two third recommended dose of N showed maximum increase in yield (43.74% in dry season and 59.96% in wet season) in the susceptible variety.”
e1“yield of rice”
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