Abstract
Propyrisulfuron is a novel pyrimidinylsulfonylurea herbicide with good activity for controlling annual weed in rice fields. To evaluate the economic performance of propyrisulfuron, a field study was conducted in 2021 and 2022 on a farm of the Jiangsu Academy of Agricultural Sciences, China. Eight different herbicide treatments were employed, including CB (cyhalofop butyl), Py (propyrisulfuron), CBPy (cyhalofop butyl plus propyrisulfuron), PrBe 3, PrBe 10, and PrBe 3+PrBe 10 (pretilachlor plus bensulfuron applied at different times [at 3 (PrBe 3) and 10 (PrBe 10) d] or sequentially, respectively), 2PrBe+PeCBBz (pretilachlor plus bensulfuron [applied sequentially] followed by penoxsulam plus cyhalofop butyl plus bentazone), 2PrBe+MeCBBz (pretilachlor plus bensulfuron [applied sequentially] followed by metamifop plus cyhalofop butyl plus bentazone), along with weed-free and nontreated weedy check treatments. Herbicide treatments did not cause visual phytotoxicity to rice, and bending and leaf rolling were not observed. Only the two propyrisulfuron treatments had temporary negative effects on rice height, but rice recovered quickly. Compared with the weed-free treatment, CBPy did not affect rice tiller number or dry matter accumulation. Compared with the nontreated weedy check, herbicide treatments reduced total weed density by 29.4% to 99.1% and dry biomass by 32.2% to 98.7%. The CBPy treatment provided the best weed control, reducing weed density and biomass by 96.7% and 95.9% in 2021 and 97.4% and 95.6% in 2022, respectively. Rice grain yield was not significantly different between CBPy and the weed-free treatment in either year. Economic analysis showed that CBPy provided the highest net profit, followed by that in 2PrBe+PeCBBz and 2PrBe+MeCBBz, with the lowest net profit in the nontreated weedy check. Thus, CBPy provides good weed control and could be promoted in mechanically transplanted rice fields in China.
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Claims 12
Claim · model-written summary
Herbicide treatments did not cause visual phytotoxicity to rice.
- Taxon
- rice
Oryza sativat0 - Treatment
- Herbicide treatmentse1
- Outcome
- visual phytotoxicitye1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“Herbicide treatments did not cause visual phytotoxicity to rice”
Claim · model-written summary
Only the two propyrisulfuron treatments had temporary negative effects on rice height, and rice recovered quickly.
- Taxon
- riceOryza sativat0
- Treatment
- propyrisulfuron treatmentse1
- Outcome
- rice heighte1
- Direction
- negative effectse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“Only the two propyrisulfuron treatments had temporary negative effects on rice height, but rice recovered quickly”
Claim · model-written summary
Compared with the weed-free treatment, CBPy did not affect rice tiller number or dry matter accumulation.
- Taxon
- riceOryza sativat0
- Treatment
- CBPye1
- Outcome
- rice tiller number or dry matter accumulatione1
- Direction
- did not affecte1
- Comparator
- weed-free treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“Compared with the weed-free treatment, CBPy did not affect rice tiller number or dry matter accumulation”
Claim · model-written summary
Compared with the nontreated weedy check, herbicide treatments reduced total weed density by 29.4% to 99.1%.
- Taxon
- riceOryza sativat0
- Treatment
- herbicide treatmentse1
- Interactor
- weede1weed
- Outcome
- total weed densitye1
- Direction
- reducede1
- Value
- 29.4% to 99.1%e1
- Comparator
- nontreated weedy checke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“Compared with the nontreated weedy check, herbicide treatments reduced total weed density by 29.4% to 99.1%”
Claim · model-written summary
Compared with the nontreated weedy check, herbicide treatments reduced weed dry biomass by 32.2% to 98.7%.
- Taxon
- riceOryza sativat0
- Treatment
- herbicide treatmentse1
- Interactor
- weede1weed
- Outcome
- dry biomasse1
- Direction
- reducede1
- Value
- 32.2% to 98.7%e1
- Comparator
- nontreated weedy checke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“Compared with the nontreated weedy check, herbicide treatments reduced total weed density by 29.4% to 99.1% and dry biomass by 32.2% to 98.7%”
Claim · model-written summary
The CBPy treatment reduced weed density by 96.7% in 2021.
- Taxon
- riceOryza sativat0
- Treatment
- CBPy treatmente1
- Interactor
- weede1weed
- Outcome
- weed densitye1
- Direction
- reducinge1
- Value
- 96.7%e1
- Qualifier
- 2021e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“The CBPy treatment provided the best weed control, reducing weed density and biomass by 96.7% and 95.9% in 2021 and 97.4% and 95.6% in 2022, respectively”
Claim · model-written summary
The CBPy treatment reduced weed biomass by 95.9% in 2021.
- Taxon
- riceOryza sativat0
- Treatment
- CBPy treatmente1
- Interactor
- weede1weed
- Outcome
- biomasse1
- Direction
- reducinge1
- Value
- 95.9%e1
- Qualifier
- 2021e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“The CBPy treatment provided the best weed control, reducing weed density and biomass by 96.7% and 95.9% in 2021 and 97.4% and 95.6% in 2022, respectively”
Claim · model-written summary
The CBPy treatment reduced weed density by 97.4% in 2022.
- Taxon
- riceOryza sativat0
- Treatment
- CBPy treatmente1
- Interactor
- weede1weed
- Outcome
- weed densitye1
- Direction
- reducinge1
- Value
- 97.4%e1
- Qualifier
- 2022e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“The CBPy treatment provided the best weed control, reducing weed density and biomass by 96.7% and 95.9% in 2021 and 97.4% and 95.6% in 2022, respectively”
Claim · model-written summary
The CBPy treatment reduced weed biomass by 95.6% in 2022.
- Taxon
- riceOryza sativat0
- Treatment
- CBPy treatmente1
- Interactor
- weede1weed
- Outcome
- biomasse1
- Direction
- reducinge1
- Value
- 95.6%e1
- Qualifier
- 2022e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“The CBPy treatment provided the best weed control, reducing weed density and biomass by 96.7% and 95.9% in 2021 and 97.4% and 95.6% in 2022, respectively”
Claim · model-written summary
Rice grain yield was not significantly different between CBPy and the weed-free treatment in either year.
- Taxon
- riceOryza sativat0
- Treatment
- CBPye1
- Outcome
- Rice grain yielde1
- Direction
- not significantly differente1
- Comparator
- weed-free treatmente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“Rice grain yield was not significantly different between CBPy and the weed-free treatment in either year”
Claim · model-written summary
CBPy provided the highest net profit, followed by 2PrBe+PeCBBz and 2PrBe+MeCBBz, with the lowest net profit in the nontreated weedy check.
- Taxon
- riceOryza sativat0
- Treatment
- CBPye1
- Outcome
- net profite1
- Direction
- higheste1
- Qualifier
- followed by that in 2PrBe+PeCBBz and 2PrBe+MeCBBze1
- Comparator
- nontreated weedy checke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“mechanically transplanted rice”
e1“Economic analysis showed that CBPy provided the highest net profit, followed by that in 2PrBe+PeCBBz and 2PrBe+MeCBBz, with the lowest net profit in the nontreated weedy check”
Claim · model-written summary
CBPy provides good weed control and could be promoted in mechanically transplanted rice fields in China.
- Taxon
- riceOryza sativae1
- Outcome
- could be promoted in mechanically transplanted rice fields in Chinae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“CBPy provides good weed control and could be promoted in mechanically transplanted rice fields in China”
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