Abstract
Background and Objective: Thailand encounters saline soil problems scattered in many areas which affect the agricultural area and causes a decrease in productivity especially growing rice, which is the main economic crop.Rice is the staple food of the Thai people.The rice that was used in this research is a native rice cultivar, which has a special feature: The Malidum cultivar with black grain and the Malidang rice grain with red color.It has high nutritional value in color grains, especially with antioxidants, which todayʼs consumers are more attentive and consuming this rice.To study the impact of salinity stress in rice (Oryza sativa L.) using two cultivars (Malidum and Malidang).Materials and Methods: Seeds germinated for 7 days.After that, the seedlings were transplanted into grown in Hoaglandʼs solution (modified) with NaCl added at concentrations of 0 (control), 50, 100 and 200 mM.Until the plants were 35 days old, the results were recorded and analyzed.The experiment consisted of four replicates in each treatment.Results: The NaCl had an effect on rice growth.The height, fresh weight, dry weight and chlorophyll A and B contents decreased when increasing the NaCl concentration significantly at the 95% confidence level and found that when plants were exposed to increased salinity concentrations, Malidum had a percentage reduction (compared to control) of height and chlorophyll B was higher than Malidang, while in Malidang there was a higher percentage reduction of fresh weight, dry weight and chlorophyll A than Malidum.In Malidang the total sugars increased to the highest concentration at 50 mM NaCl.Conclusion: A comparison of salt tolerance between two cultivars of rice found that the Malidang cultivar had a greater tolerance than the Malidum cultivar.
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Claims 8
Claim · model-written summary
Increasing NaCl significantly decreased rice height, fresh weight and dry weight.
- Taxon
- rice
Oryza sativae1 - Treatment
- NaCl concentratione0
- Outcome
- height, fresh weight, dry weighte0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The height, fresh weight, dry weight and chlorophyll A and B contents decreased when increasing the NaCl concentration significantly at the 95% confidence level”
e1“salinity stress in rice (Oryza sativa L.)”
Claim · model-written summary
Increasing NaCl significantly decreased rice chlorophyll A and B contents.
- Taxon
- riceOryza sativae1
- Treatment
- NaCl concentratione0
- Outcome
- chlorophyll A and B contentse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The height, fresh weight, dry weight and chlorophyll A and B contents decreased when increasing the NaCl concentration significantly at the 95% confidence level”
e1“salinity stress in rice (Oryza sativa L.)”
Claim · model-written summary
Malidum had a greater percentage reduction in height than Malidang under increasing salinity.
- Taxon
- RiceOryza sativat0
- Material
- Malidume0
- Outcome
- percentage reduction (compared to control) of heighte0
- Direction
- highere0
- Comparator
- Malidange0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malidum had a percentage reduction (compared to control) of height and chlorophyll B was higher than Malidang”
e1“salinity concentrations, Malidum”
t0“Rice (Oryza sativa L.) Malidum and Malidang Cultivars”
Claim · model-written summary
Malidum had a greater percentage reduction in chlorophyll B than Malidang.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malidum had a percentage reduction (compared to control) of height and chlorophyll B was higher than Malidang”
t0“Rice (Oryza sativa L.) Malidum and Malidang Cultivars”
Claim · model-written summary
Malidang had a greater percentage reduction in fresh and dry weight than Malidum.
- Taxon
- RiceOryza sativat0
- Material
- Malidange0
- Outcome
- fresh weight, dry weighte0
- Direction
- higher percentage reductione0
- Comparator
- Malidume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in Malidang there was a higher percentage reduction of fresh weight, dry weight and chlorophyll A than Malidum”
t0“Rice (Oryza sativa L.) Malidum and Malidang Cultivars”
Claim · model-written summary
Malidang had a greater percentage reduction in chlorophyll A than Malidum.
- Taxon
- RiceOryza sativat0
- Material
- Malidange0
- Outcome
- chlorophyll Ae0
- Direction
- higher percentage reductione0
- Comparator
- Malidume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in Malidang there was a higher percentage reduction of fresh weight, dry weight and chlorophyll A than Malidum”
t0“Rice (Oryza sativa L.) Malidum and Malidang Cultivars”
Claim · model-written summary
Malidang total sugars were highest at 50 mM NaCl.
- Taxon
- RiceOryza sativat0
- Material
- Malidange0
- Treatment
- 50 mM NaCle0
- Outcome
- total sugarse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Malidang the total sugars increased to the highest concentration at 50 mM NaCl”
t0“Rice (Oryza sativa L.) Malidum and Malidang Cultivars”
Claim · model-written summary
The authors concluded that Malidang was more salt tolerant than Malidum.
- Taxon
- RiceOryza sativat0
- Material
- Malidang cultivare0
- Outcome
- tolerancee0
- Direction
- greatere0
- Comparator
- Malidum cultivare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the Malidang cultivar had a greater tolerance than the Malidum cultivar”
t0“Rice (Oryza sativa L.) Malidum and Malidang Cultivars”
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