Abstract
Abstract Seven new granular herbicides were evaluated in Taiwan for the control of weeds in broadcast flooded rice. In general, herbicides applied early (6 days after seeding) gave better weed control but caused more crop damage than when applied late (12 days after seeding). Benthiocarb applied at 6 days after seeding, when most weeds were at the one to two leaf stage, was highly selective in controlling broad-leaved weeds and sedges with no sustained injury to rice. Butachlor failed to control broad-leaved weeds at the two to three leaf stage. The initial toxicities of C-288 (dimethatryn plus piperophos, 1:4) piperophos (C-19490), and CRD 71.6388 were too severe to warrant their use in direct-seeded flooded rice in Taiwan. Among the herbicides tested, thiochlormethyl and molinate and thiochlormethyl when applied late, were the most selective. When applied 12 days after seeding or at the three to four leaf stage of weeds, both treatments provided excellent control of weeds without causing any crop injury.
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Claims 9
Claim · model-written summary
Benthiocarb applied 6 days after seeding was highly selective in controlling broad-leaved weeds and sedges in rice.
- Taxon
- rice
Oryza sativae0 - Treatment
- Benthiocarb applied at 6 days after seedinge0
- Interactor
- broad-leaved weeds and sedgese0weed
- Outcome
- controlling broad-leaved weeds and sedgese0
- Direction
- highly selectivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Benthiocarb applied at 6 days after seeding, when most weeds were at the one to two leaf stage, was highly selective in controlling broad-leaved weeds and sedges with no sustained injury to rice”
Claim · model-written summary
Benthiocarb applied 6 days after seeding caused no sustained injury to rice.
- Taxon
- riceOryza sativae0
- Treatment
- Benthiocarb applied at 6 days after seedinge0
- Outcome
- sustained injury to ricee0
- Direction
- no_changeinferrede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Benthiocarb applied at 6 days after seeding, when most weeds were at the one to two leaf stage, was highly selective in controlling broad-leaved weeds and sedges with no sustained injury to rice”
Claim · model-written summary
Herbicides applied early (6 days after seeding) gave better weed control in rice than late application (12 days).
- Taxon
- riceOryza sativat0
- Treatment
- applied early (6 days after seeding)e1
- Outcome
- weed controle1
- Direction
- bettere1
- Comparator
- applied late (12 days after seeding)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“herbicides applied early (6 days after seeding) gave better weed control but caused more crop damage than when applied late (12 days after seeding)”
t0“Direct-seeded Flooded Rice”
Claim · model-written summary
Herbicides applied early (6 days after seeding) caused more crop damage in rice than late application (12 days).
- Taxon
- riceOryza sativat0
- Treatment
- applied early (6 days after seeding)e1
- Outcome
- crop damagee1
- Direction
- moree1
- Comparator
- applied late (12 days after seeding)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“herbicides applied early (6 days after seeding) gave better weed control but caused more crop damage than when applied late (12 days after seeding)”
t0“Direct-seeded Flooded Rice”
Claim · model-written summary
Butachlor failed to control broad-leaved weeds in rice at the two to three leaf stage.
- Taxon
- riceOryza sativat0
- Treatment
- Butachlore2
- Interactor
- broad-leaved weedse2weed
- Outcome
- control broad-leaved weedse2
- Qualifier
- at the two to three leaf stagee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Butachlor failed to control broad-leaved weeds at the two to three leaf stage”
t0“Direct-seeded Flooded Rice”
Claim · model-written summary
Initial toxicities of C-288, piperophos and CRD 71.6388 were too severe for use in direct-seeded flooded rice.
- Taxon
- riceOryza sativae3
- Treatment
- C-288 (dimethatryn plus piperophos, 1:4) piperophos (C-19490), and CRD 71.6388e3
- Outcome
- initial toxicitiese3
- Qualifier
- too severe to warrant their usee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The initial toxicities of C-288 (dimethatryn plus piperophos, 1:4) piperophos (C-19490), and CRD 71.6388 were too severe to warrant their use in direct-seeded flooded rice in Taiwan”
Claim · model-written summary
Thiochlormethyl and molinate, with thiochlormethyl applied late, were the most selective herbicides tested in rice.
- Taxon
- riceOryza sativat0
- Treatment
- thiochlormethyl and molinate and thiochlormethyl when applied latee4
- Outcome
- most selectivee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Among the herbicides tested, thiochlormethyl and molinate and thiochlormethyl when applied late, were the most selective”
t0“Direct-seeded Flooded Rice”
Claim · model-written summary
Herbicides applied 12 days after seeding or at the three to four leaf stage of weeds gave excellent weed control in rice.
- Taxon
- riceOryza sativat0
- Treatment
- applied 12 days after seedinge5
- Outcome
- control of weedse5
- Direction
- excellente5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“When applied 12 days after seeding or at the three to four leaf stage of weeds, both treatments provided excellent control of weeds without causing any crop injury”
t0“Direct-seeded Flooded Rice”
Claim · model-written summary
Herbicides applied 12 days after seeding caused no crop injury in rice.
- Taxon
- riceOryza sativat0
- Treatment
- applied 12 days after seedinge5
- Outcome
- crop injurye5
- Direction
- no_changeinferrede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“When applied 12 days after seeding or at the three to four leaf stage of weeds, both treatments provided excellent control of weeds without causing any crop injury”
t0“Direct-seeded Flooded Rice”
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See all 23 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.