Abstract
UV B was treated on autumn rice Texianzhan 13 planted in the field from ear differentiation stageⅠto stage Ⅲ.Several enzyme activities in rice leaves were detected.The results showed that IAA oxidase activity in leaves was not obviously changed at 4th day after UV B treatment,but increased at 11th day.The increase of IAA oxidase activity had relation to UV B treatment hours per day.Peroxidase and Poliphenol oxidase were not affected by UV B treatment.The grains per panicle and the seed setting percentage were investigated.The grains per panicle was not changed by UV B treatment.The seed setting percentage was decreased by UV B treatment.The decrease of seed setting percentage also had relation to UV B treatment hours per day.
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Claims 5
Claim · model-written summary
Leaf IAA oxidase activity was unchanged at day 4 after UV B.
- Taxon
- rice
Oryza sativat0 - Organ / stage
- leavese0
- Treatment
- UV B treatmente0
- Outcome
- IAA oxidase activitye0
- Direction
- not obviously changede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“IAA oxidase activity in leaves was not obviously changed at 4th day after UV B treatment”
t0“rice”
Claim · model-written summary
Leaf IAA oxidase activity increased by day 11 after UV B.
- Taxon
- riceOryza sativat0
- Treatment
- UV B treatmente0
- Outcome
- IAA oxidase activitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but increased at 11th day.The increase of IAA oxidase activity had relation to UV B treatment hours per day.”
t0“rice”
Claim · model-written summary
Peroxidase and polyphenol oxidase activity were unaffected by UV B.
- Taxon
- riceOryza sativat0
- Treatment
- UV B treatmente0
- Outcome
- Peroxidase and Poliphenol oxidasee0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peroxidase and Poliphenol oxidase were not affected by UV B treatment.”
t0“rice”
Claim · model-written summary
Grains per panicle were unchanged by UV B.
- Taxon
- riceOryza sativat0
- Treatment
- UV B treatmente0
- Outcome
- grains per paniclee0
- Direction
- not changede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The grains per panicle was not changed by UV B treatment.”
t0“rice”
Claim · model-written summary
UV B reduced seed setting percentage, with reduction related to daily exposure hours.
- Taxon
- riceOryza sativat0
- Treatment
- UV B treatmente0
- Outcome
- seed setting percentagee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The seed setting percentage was decreased by UV B treatment.The decrease of seed setting percentage also had relation to UV B treatment hours per day.”
t0“rice”
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