Abstract
With upland rice of Baxiludao and Zhonghan 3 as materials, an experiment in pot was carried out to study the effects of soil moisture on the quality characters and rapid viscosity analyzer (RVA) profile parameters of rice. The results were as follow: comparing with the well-watered (0 kPa) treatment, while soil water potential (SWP) was (-20 kPa,) brown rice, milled rice, the ratio of kernel length to kernel width, head milled rice, protein content and breakdown values increased or significantly increased, and the percentage of chalky kernel, chalkiness and amylase content, peak viscosity and setback decreased or significantly decreased, gel consistency of Baxiludao was shorter, whereas that of Zhanghan 3 was longer; Comparing with -40 kPa treatment, while SWP was -20 kPa, milled rice, the ratio of kernel length to kernel width and breakdown values increased or significantly increased, the percentage of chalky kernel, setback and gel consistency, chalkiness had different response to soil moisture, and no significant differences were observed in other rice quality indices. The results suggest that the moderate water stress (low-limit water potential was (-20 kPa)) can improve milled quality, appearance quality, cooked quality and nutritional quality of upland rice.
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Claims 8
Claim · model-written summary
At -20 kPa versus well watered conditions, brown and milled rice, kernel length to width ratio, head milled rice, protein content and breakdown increased.
- Taxon
- Upland Rice
Oryza sativat0 - Treatment
- soil water potential (SWP) was (-20 kPa,)e0
- Outcome
- brown rice, milled rice, the ratio of kernel length to kernel width, head milled rice, protein content and breakdown valuese0
- Direction
- increased or significantly increasede0
- Comparator
- well-watered (0 kPa) treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“comparing with the well-watered (0 kPa) treatment, while soil water potential (SWP) was (-20 kPa,) brown rice, milled rice, the ratio of kernel length to kernel width, head milled rice, protein content and breakdown values increased or significantly increased”
t0“Upland Rice”
Claim · model-written summary
At -20 kPa versus well watered conditions, chalky kernel percentage, chalkiness, amylase content, peak viscosity and setback decreased.
- Taxon
- Upland RiceOryza sativat0
- Treatment
- soil water potential (SWP) was (-20 kPa,)e1
- Outcome
- percentage of chalky kernel, chalkiness and amylase content, peak viscosity and setbacke0
- Direction
- decreased or significantly decreasede0
- Comparator
- well-watered (0 kPa) treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the percentage of chalky kernel, chalkiness and amylase content, peak viscosity and setback decreased or significantly decreased”
e1“well-watered (0 kPa) treatment, while soil water potential (SWP) was (-20 kPa,)”
t0“Upland Rice”
Claim · model-written summary
At -20 kPa, Baxiludao gel consistency was shorter than with well watered conditions.
- Taxon
- Upland RiceOryza sativat0
- Material
- Baxiludaoe0
- Treatment
- soil water potential (SWP) was (-20 kPa,)e1
- Outcome
- gel consistencye0
- Direction
- shortere0
- Comparator
- well-watered (0 kPa) treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“gel consistency of Baxiludao was shorter”
e1“well-watered (0 kPa) treatment, while soil water potential (SWP) was (-20 kPa,)”
t0“Upland Rice”
Claim · model-written summary
At -20 kPa, Zhanghan 3 gel consistency was longer than with well watered conditions.
- Taxon
- Upland RiceOryza sativat0
- Material
- Zhanghan 3e0
- Treatment
- soil water potential (SWP) was (-20 kPa,)e2
- Outcome
- gel consistencye1
- Direction
- longere0
- Comparator
- well-watered (0 kPa) treatmente2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“that of Zhanghan 3 was longer”
e1“gel consistency of Baxiludao was shorter”
e2“well-watered (0 kPa) treatment, while soil water potential (SWP) was (-20 kPa,)”
t0“Upland Rice”
Claim · model-written summary
At -20 kPa versus -40 kPa, milled rice, kernel length to width ratio and breakdown increased.
- Taxon
- Upland RiceOryza sativat0
- Treatment
- SWP was -20 kPae0
- Outcome
- milled rice, the ratio of kernel length to kernel width and breakdown valuese0
- Direction
- increased or significantly increasede0
- Comparator
- -40 kPa treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Comparing with -40 kPa treatment, while SWP was -20 kPa, milled rice, the ratio of kernel length to kernel width and breakdown values increased or significantly increased”
t0“Upland Rice”
Claim · model-written summary
At -20 kPa versus -40 kPa, chalky kernel percentage, setback, gel consistency and chalkiness responded differently.
- Taxon
- Upland RiceOryza sativat0
- Treatment
- SWP was -20 kPae1
- Outcome
- percentage of chalky kernel, setback and gel consistency, chalkinesse0
- Comparator
- -40 kPa treatmente1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the percentage of chalky kernel, setback and gel consistency, chalkiness had different response to soil moisture”
e1“Comparing with -40 kPa treatment, while SWP was -20 kPa”
t0“Upland Rice”
Claim · model-written summary
Other quality indices did not differ significantly between -20 and -40 kPa.
- Taxon
- Upland RiceOryza sativat0
- Treatment
- SWP was -20 kPae1
- Outcome
- other rice quality indicese0
- Direction
- no significant differencese0
- Comparator
- -40 kPa treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no significant differences were observed in other rice quality indices”
e1“Comparing with -40 kPa treatment, while SWP was -20 kPa”
t0“Upland Rice”
Claim · model-written summary
The authors conclude that moderate water stress at -20 kPa can improve milled, appearance, cooking and nutritional quality.
- Taxon
- upland riceOryza sativae0
- Treatment
- moderate water stress (low-limit water potential was (-20 kPa))e0
- Outcome
- milled quality, appearance quality, cooked quality and nutritional qualitye0
- Direction
- improvee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“moderate water stress (low-limit water potential was (-20 kPa)) can improve milled quality, appearance quality, cooked quality and nutritional quality of upland rice”
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See all 44 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.