Abstract
An experiment was carried out at the research field of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh with the objective of verifying the effects of different salinity levels on the germination, growth and yield of four irrigated rice (Oryza sativa L.) cultivars. The experiment was performed with 6 NaCl concentrations viz. 0, 30, 60, 90, 120 and 150 mM. It was observed that seed germination, plant height, tiller number and leaf area index are negatively influenced by different salinity levels in all the rice varieties. All the yield components that is number of panicles, panicle length, spikelets per panicle, filled grain and grain weight also significantly decrease with the increased salinity stress. An increase of NaCl concentration up to 150 mM decreased 36-50% of the grain yield of all the four rice varieties. Among the varieties BRRI dhan41 showed better performance at salinity stress up to a certain level.
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Claims 5
Claim · model-written summary
Salinity negatively influenced rice seed germination, plant height, tiller number and leaf area index in all varieties.
- Taxon
- rice
Oryza sativae0 - Treatment
- different salinity levelse0
- Outcome
- seed germination, plant height, tiller number and leaf area indexe0
- Direction
- negatively influencede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed germination, plant height, tiller number and leaf area index are negatively influenced by different salinity levels in all the rice varieties”
Claim · model-written summary
Increasing salinity significantly decreased rice panicle number, panicle length and spikelets per panicle.
- Taxon
- riceOryza sativat0
- Treatment
- increased salinity stresse0
- Outcome
- number of panicles, panicle length, spikelets per paniclee0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of panicles, panicle length, spikelets per panicle, filled grain and grain weight also significantly decrease with the increased salinity stress”
t0“rice”
Claim · model-written summary
Increasing salinity significantly decreased filled grain and grain weight.
- Taxon
- riceOryza sativat0
- Treatment
- increased salinity stresse0
- Outcome
- filled grain and grain weighte0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“number of panicles, panicle length, spikelets per panicle, filled grain and grain weight also significantly decrease with the increased salinity stress”
t0“rice”
Claim · model-written summary
NaCl at 150 mM reduced grain yield by 36-50% across four rice varieties.
- Taxon
- riceOryza sativae0
- Treatment
- NaCl concentration up to 150 mMe0
- Outcome
- grain yielde0
- Direction
- decreasede0
- Value
- 36-50%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An increase of NaCl concentration up to 150 mM decreased 36-50% of the grain yield of all the four rice varieties”
Claim · model-written summary
BRRI dhan41 showed better performance under salinity stress up to an unspecified level.
Verbatim
e0“Among the varieties BRRI dhan41 showed better performance at salinity stress up to a certain level”
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