Abstract
A field experiment was conducted at Bikaner during 1999 and 2000 on sandy soil to study the effect of bio- regulators (thiourea and dimethylsulphoxide) and phosphorus on productivity and P-use efficiency of clusterbean [Cyamopsis tetragonoloba (L.) Taub.]. The study revealed that application of thiourea 5 kgtha in the soil (split), thio- urea 5 kgtha + dimethylsulphoxide 2 kgtha in the soil (split), foliar spray of 500 ppm thiourea and foliar spray of 500 ppm thiourea + 100 ppm dimethylsulphoxide proved effective in improving the growth and yield-attributing param- eters over the control. The maximum seed yield of 1.988 tonnestha was obtained with thiourea 5 kgtha ++ dimethylsulphoxide 2 kgtha in the soil (split) along with 17.2 kg Ptha, which was on a par with yield obtained with application of 5 kg thiouredha in soil (spilt) and 8.6 kg Ptha, and foliar spray of 500 ppmtha thiourea and 8.6 kg P/ ha. Growth indices, viz. leaf-area index (LAI) and crop-growth rate (CGR) also improved with bio-regulators and phosphorus application. Application of phosphorus up to 17.2 kg Ptha significantly improved the LA1 and CGR at 60 and 90 days after sowing (DAS), number of nodulestplant, podstplant and pod length as well as P-use effi- ciency. The gum content increased significantly due to phosphorus application up to 8.6 kg Ptha. The maximum P recovery of 47.4 kglha was obtained with the application of 8.6 kg Ptha followed by 17.2 kgtha (26.4 kgtha). The highest P uptake by seed (10.72 kgtha) was obtained with 5 kg thiouredha + dimethylsulphoxide 2 kgtha in the soil (split). Soil and foliar applications of thiourea and dimethylsulphoxide recorded higher agronomic as well as physiological efficiency of the applied phosphorus.
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Claims 9
Claim · model-written summary
Foliar spray of 500 ppm thiourea improved growth and yield-attributing parameters of clusterbean over the control.
- Taxon
- clusterbean (Cyamopsis tetragonoloba)
Cyamopsis tetragonolobat0 - Treatment
- foliar spray of 500 ppm thioureae0
- Outcome
- growthe0
- Direction
- improvinge0
- Comparator
- controle0
- Setting
- Bikanere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“clusterbean (Cyamopsis tetragonoloba)”
e0“foliar spray of 500 ppm thiourea and foliar spray of 500 ppm thiourea + 100 ppm dimethylsulphoxide proved effective in improving the growth and yield-attributing param- eters over the control”
e1“A field experiment was conducted at Bikaner during 1999 and 2000 on sandy soil”
Claim · model-written summary
Soil application of thiourea at 5 kg/ha improved growth of clusterbean over the control.
- Taxon
- clusterbean (Cyamopsis tetragonoloba)Cyamopsis tetragonolobat0
- Treatment
- application of thiourea 5 kgtha in the soil (split)e2
- Outcome
- growthe0
- Direction
- improvinge0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“clusterbean (Cyamopsis tetragonoloba)”
e0“foliar spray of 500 ppm thiourea and foliar spray of 500 ppm thiourea + 100 ppm dimethylsulphoxide proved effective in improving the growth and yield-attributing param- eters over the control”
e2“application of thiourea 5 kgtha in the soil (split)”
Claim · model-written summary
The maximum seed yield of clusterbean, 1.988 t/ha, was obtained with thiourea plus dimethylsulphoxide applied to the soil.
- Taxon
- clusterbean (Cyamopsis tetragonoloba)Cyamopsis tetragonolobat0
- Treatment
- thiourea 5 kgtha ++ dimethylsulphoxide 2 kgtha in the soil (split)e3
- Outcome
- seed yielde3
- Direction
- maximume3
- Value
- 1.988 tonnesthae3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“clusterbean (Cyamopsis tetragonoloba)”
e3“The maximum seed yield of 1.988 tonnestha was obtained with thiourea 5 kgtha ++ dimethylsulphoxide 2 kgtha in the soil (split) along with 17.2 kg Ptha”
Claim · model-written summary
Bio-regulators and phosphorus application improved leaf-area index and crop-growth rate of clusterbean.
- Taxon
- clusterbean (Cyamopsis tetragonoloba)Cyamopsis tetragonolobat0
- Treatment
- bio-regulators and phosphoruse4
- Outcome
- leaf-area index (LAI) and crop-growth rate (CGR)e4
- Direction
- improvede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“clusterbean (Cyamopsis tetragonoloba)”
e4“Growth indices, viz. leaf-area index (LAI) and crop-growth rate (CGR) also improved with bio-regulators and phosphorus application”
Claim · model-written summary
Phosphorus up to 17.2 kg/ha significantly improved crop-growth rate of clusterbean at 60 and 90 days after sowing.
- Taxon
- clusterbean (Cyamopsis tetragonoloba)Cyamopsis tetragonolobat0
- Treatment
- Application of phosphorus up to 17.2 kg Pthae5
- Outcome
- CGRe5
- Direction
- improvede5
- Qualifier
- at 60 and 90 days after sowing (DAS)e5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“clusterbean (Cyamopsis tetragonoloba)”
e5“Application of phosphorus up to 17.2 kg Ptha significantly improved the LA1 and CGR at 60 and 90 days after sowing (DAS)”
Claim · model-written summary
Phosphorus up to 8.6 kg/ha increased gum content of clusterbean significantly.
- Taxon
- clusterbean (Cyamopsis tetragonoloba)Cyamopsis tetragonolobat0
- Treatment
- phosphorus application up to 8.6 kg Pthae7
- Outcome
- gum contente7
- Direction
- increasede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“clusterbean (Cyamopsis tetragonoloba)”
e7“The gum content increased significantly due to phosphorus application up to 8.6 kg Ptha”
Claim · model-written summary
The maximum P recovery of 47.4 kg/ha was obtained with 8.6 kg P/ha.
- Taxon
- clusterbean (Cyamopsis tetragonoloba)Cyamopsis tetragonolobat0
- Treatment
- 8.6 kg Pthae1
- Outcome
- P recoverye1
- Direction
- maximume1
- Value
- 47.4 kglhae1
- Qualifier
- followed by 17.2 kgtha (26.4 kgtha)e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“clusterbean (Cyamopsis tetragonoloba)”
e1“The maximum P recovery of 47.4 kglha was obtained with the application of 8.6 kg Ptha followed by 17.2 kgtha (26.4 kgtha)”
Claim · model-written summary
The highest P uptake by seed, 10.72 kg/ha, was obtained with thiourea plus dimethylsulphoxide applied to the soil.
- Taxon
- clusterbean (Cyamopsis tetragonoloba)Cyamopsis tetragonolobat0
- Treatment
- 5 kg thiouredha + dimethylsulphoxide 2 kgtha in the soil (split)e1
- Outcome
- P uptake by seede1
- Direction
- higheste1
- Value
- 10.72 kgthae1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“clusterbean (Cyamopsis tetragonoloba)”
e1“The highest P uptake by seed (10.72 kgtha) was obtained with 5 kg thiouredha + dimethylsulphoxide 2 kgtha in the soil (split)”
Claim · model-written summary
Soil and foliar thiourea plus dimethylsulphoxide applications raised agronomic and physiological efficiency of applied phosphorus.
- Taxon
- clusterbean (Cyamopsis tetragonoloba)Cyamopsis tetragonolobat0
- Treatment
- Soil and foliar applications of thiourea and dimethylsulphoxidee1
- Outcome
- agronomic as well as physiological efficiency of the applied phosphoruse1
- Direction
- highere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“clusterbean (Cyamopsis tetragonoloba)”
e1“Soil and foliar applications of thiourea and dimethylsulphoxide recorded higher agronomic as well as physiological efficiency of the applied phosphorus”
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