Abstract
A field experiment was conducted at Bangladesh Agricultural Research Institute (BARI) farm, Gazipur to evaluate the effect of foliar application of potassium orthophosphate on grain yield and kernel quality of wheat under the terminal heat stress imposed by late sowing for two consecutive years (2008-09 and 2009-10). Five combinations of foliar applications of potassium orthophosphate and Tilt were tested on three wheat varieties, namely Kanchan, Shatabdi, and Prodip. The result indicated that foliar application of potassium orthophosphate was effective in increasing SPAD value (Measure of leaf chlorophyll content) and leaf area of all the wheat varieties, whereas Tilt application was effective only in Kanchan. The grain size of wheat in terms of 1000-grain weight was improved and thereby contributed to grain yield. Also the foliar application of potassium orthophosphate decreased the number of immature, smaller and deformed kernel, and thus improved the kernel quality. Two foliar sprays of 0.1% potassium orthophosphate solution at 70 DAS (Days after sowing) and 80 DAS performed better results than other applications. There were varietal differences in response to foliar treatments and the variety Prodip and Shatabdi were more responsive to potassium orthophosphate compared to Kanchan. Potassium orthophosphate could be suggested to improve grain yield and kernel quality of wheat under terminal heat stress condition. DOI: http://dx.doi.org/10.3329/bjar.v39i1.20144 Bangladesh J. Agril. Res. 39(1): 67-77, March 2014
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Claims 9
Claim · model-written summary
Foliar potassium orthophosphate increased SPAD value in wheat varieties under terminal heat stress.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- foliar application of potassium orthophosphatee0
- Outcome
- SPAD valuee0
- Direction
- increasinge0
- Setting
- Bangladesh Agricultural Research Institute (BARI) farm, Gazipure1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar application of potassium orthophosphate was effective in increasing SPAD value (Measure of leaf chlorophyll content) and leaf area of all the wheat varieties”
e1“A field experiment was conducted at Bangladesh Agricultural Research Institute (BARI) farm, Gazipur”
Claim · model-written summary
Foliar potassium orthophosphate increased leaf area in wheat varieties under terminal heat stress.
- Taxon
- wheatTriticum aestivume0
- Treatment
- foliar application of potassium orthophosphatee0
- Outcome
- leaf areae0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar application of potassium orthophosphate was effective in increasing SPAD value (Measure of leaf chlorophyll content) and leaf area of all the wheat varieties”
Claim · model-written summary
Tilt application was effective only in the wheat variety Kanchan.
- Taxon
- wheatTriticum aestivume0
- Material
- Kanchane2
- Treatment
- Tilt applicatione2
- Outcome
- effectivee2
- Direction
- effectivee2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar application of potassium orthophosphate was effective in increasing SPAD value (Measure of leaf chlorophyll content) and leaf area of all the wheat varieties”
e2“whereas Tilt application was effective only in Kanchan”
Claim · model-written summary
Foliar potassium orthophosphate improved 1000-grain weight in wheat, thereby contributing to grain yield.
- Taxon
- wheatTriticum aestivume3
- Treatment
- foliar application of potassium orthophosphatee0
- Outcome
- 1000-grain weighte3
- Direction
- improvede3
- Qualifier
- thereby contributed to grain yielde3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar application of potassium orthophosphate was effective in increasing SPAD value (Measure of leaf chlorophyll content) and leaf area of all the wheat varieties”
e3“The grain size of wheat in terms of 1000-grain weight was improved and thereby contributed to grain yield”
Claim · model-written summary
Foliar potassium orthophosphate decreased the number of immature, smaller and deformed wheat kernels.
- Taxon
- wheatTriticum aestivume0
- Treatment
- foliar application of potassium orthophosphatee4
- Outcome
- number of immature, smaller and deformed kernele4
- Direction
- decreasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar application of potassium orthophosphate was effective in increasing SPAD value (Measure of leaf chlorophyll content) and leaf area of all the wheat varieties”
e4“the foliar application of potassium orthophosphate decreased the number of immature, smaller and deformed kernel”
Claim · model-written summary
Foliar potassium orthophosphate improved kernel quality of wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- foliar application of potassium orthophosphatee0
- Outcome
- kernel qualitye5
- Direction
- improvede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar application of potassium orthophosphate was effective in increasing SPAD value (Measure of leaf chlorophyll content) and leaf area of all the wheat varieties”
e5“and thus improved the kernel quality”
Claim · model-written summary
Two foliar sprays of 0.1% potassium orthophosphate at 70 and 80 DAS performed better than other applications in wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Two foliar sprays of 0.1% potassium orthophosphate solution at 70 DAS (Days after sowing) and 80 DASe6
- Outcome
- resultse6
- Direction
- bettere6
- Comparator
- other applicationse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar application of potassium orthophosphate was effective in increasing SPAD value (Measure of leaf chlorophyll content) and leaf area of all the wheat varieties”
e6“Two foliar sprays of 0.1% potassium orthophosphate solution at 70 DAS (Days after sowing) and 80 DAS performed better results than other applications”
Claim · model-written summary
Wheat varieties Prodip and Shatabdi were more responsive to potassium orthophosphate than Kanchan.
- Taxon
- wheatTriticum aestivume0
- Material
- Prodip and Shatabdie7
- Treatment
- potassium orthophosphatee7
- Outcome
- response to foliar treatmentse7
- Direction
- more responsivee7
- Comparator
- Kanchane7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar application of potassium orthophosphate was effective in increasing SPAD value (Measure of leaf chlorophyll content) and leaf area of all the wheat varieties”
e7“There were varietal differences in response to foliar treatments and the variety Prodip and Shatabdi were more responsive to potassium orthophosphate compared to Kanchan”
Claim · model-written summary
Potassium orthophosphate is suggested to improve grain yield and kernel quality of wheat under terminal heat stress.
- Taxon
- wheatTriticum aestivume1
- Treatment
- Potassium orthophosphatee1
- Outcome
- grain yield and kernel qualitye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Potassium orthophosphate could be suggested to improve grain yield and kernel quality of wheat under terminal heat stress condition”
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