Paper · 1971 · Pesticide Science

Interactions between S,S,S‐tributyl phosphorotrithioate (DEF) and growth regulator herbicides. II.—Further studies

D. J. Turner; M. C. P. Loader

10
claims
16
verbatim quotes
3
citations
2
research areas
—
Not open access

Abstract

Abstract Additional results are presented from experiments with poplar and privet discussed in a previous paper. At 9 months after application mixtures of picloram and S,S,S‐tributyl phosphorotrithioate (DEF) caused more severe effects than either compound applied alone. This result was in agreement with earlier assessments of phytotoxicity. The earlier synergism of DEF with the triethylamine salt of 2,4,5‐T on privet diminished or disappeared, however. Mixtures of DEF with 2,4,5‐T iso‐octyl ester were antagonistic both in their shortand longer‐term phytotoxic effects. Further experiments with guava plants grown in a glasshouse have demonstrated synergism in mixtures of DEF with salt or amine formulations ofpicloram, 2,4,5‐T or mecoprop and antagonism between DEF and ester formulations of these herbicides. 2‐Butyne‐1,4‐diol had no effect on the phytotoxicity of picloram ester. Xylene and a non‐ionic emulsifying agent (Triton B 1956) did not appreciably increase the effects of picloram if a wetting agent was also present. Synergism was reduced when DEF was applied to guava leaves 2–4 h before or after picloram, and the compounds did not interact when they were introduced directly into the vascular system of this plant.

Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 10

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Picloram and DEF mixtures caused more severe effects at nine months than either alone in poplar and privet.

Taxon
poplar and privete0
Treatment
mixtures of picloram and S,S,S‐tributyl phosphorotrithioate (DEF)e0
Outcome
effectse0
Direction
more severee0
Qualifier
At 9 months after applicatione0
Comparator
either compound applied alonee0

Verbatim

e0

“experiments with poplar and privet discussed in a previous paper. At 9 months after application mixtures of picloram and S,S,S‐tributyl phosphorotrithioate (DEF) caused more severe effects than either compound applied alone.”

✓ located verbatim in the source · abstract, characters 47–271 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Earlier DEF synergy with triethylamine 2,4,5-T on privet diminished or disappeared.

Taxon
privete0
Outcome
synergisme0
Direction
diminished or disappearede0

Verbatim

e0

“The earlier synergism of DEF with the triethylamine salt of 2,4,5‐T on privet diminished or disappeared”

✓ located verbatim in the source · abstract, characters 344–447 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

DEF mixed with 2,4,5-T iso-octyl ester had antagonistic short and longer term phytotoxic effects.

Taxon
poplar and privete1
Treatment
Mixtures of DEF with 2,4,5‐T iso‐octyl estere0
Outcome
phytotoxic effectse0
Direction
antagonistice0

Not reportedComparator

Verbatim

e0

“Mixtures of DEF with 2,4,5‐T iso‐octyl ester were antagonistic both in their shortand longer‐term phytotoxic effects.”

✓ located verbatim in the source · abstract, characters 458–575 · show in text ↑
e1

“poplar and privet”

✓ located verbatim in the source · abstract, characters 64–81 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

DEF synergized with salt or amine formulations of picloram, 2,4,5-T or mecoprop in guava.

Treatment
mixtures of DEF with salt or amine formulations ofpicloram, 2,4,5‐T or mecoprope0
Outcome
synergisme0
Setting
glasshousee0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Psidium guajava
Psidium guajava · TaxonFuadsyazwan ( talk ) · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Further experiments with guava plants grown in a glasshouse have demonstrated synergism in mixtures of DEF with salt or amine formulations ofpicloram, 2,4,5‐T or mecoprop”

✓ located verbatim in the source · abstract, characters 576–746 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

DEF antagonized ester formulations of the herbicides in guava.

Treatment
DEF and ester formulations of these herbicidese0
Outcome
antagonisme0
Setting
glasshousee1

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Psidium guajava
Psidium guajava · TaxonFuadsyazwan ( talk ) · Public domain · Wikimedia Commons ↗

Verbatim

e0

“antagonism between DEF and ester formulations of these herbicides.”

✓ located verbatim in the source · abstract, characters 751–817 · show in text ↑
e1

“guava plants grown in a glasshouse”

✓ located verbatim in the source · abstract, characters 601–635 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

2-Butyne-1,4-diol had no effect on picloram ester phytotoxicity.

Treatment
2‐Butyne‐1,4‐diole0
Outcome
phytotoxicity of picloram estere0
Direction
no effecte0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Psidium guajava
Psidium guajava · TaxonFuadsyazwan ( talk ) · Public domain · Wikimedia Commons ↗

Verbatim

e0

“2‐Butyne‐1,4‐diol had no effect on the phytotoxicity of picloram ester.”

✓ located verbatim in the source · abstract, characters 818–889 · show in text ↑
e1

“guava plants grown in a glasshouse”

✓ located verbatim in the source · abstract, characters 601–635 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Xylene did not appreciably increase picloram effects when a wetting agent was present.

Treatment
Xylenee0
Outcome
effects of piclorame0
Direction
did not appreciably increasee0
Qualifier
if a wetting agent was also presente0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Psidium guajava
Psidium guajava · TaxonFuadsyazwan ( talk ) · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Xylene and a non‐ionic emulsifying agent (Triton B 1956) did not appreciably increase the effects of picloram if a wetting agent was also present.”

✓ located verbatim in the source · abstract, characters 890–1036 · show in text ↑
e1

“guava plants grown in a glasshouse”

✓ located verbatim in the source · abstract, characters 601–635 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Triton B 1956 did not appreciably increase picloram effects when a wetting agent was present.

Treatment
Triton B 1956e0
Outcome
effects of piclorame0
Direction
did not appreciably increasee0
Qualifier
if a wetting agent was also presente0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Psidium guajava
Psidium guajava · TaxonFuadsyazwan ( talk ) · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Xylene and a non‐ionic emulsifying agent (Triton B 1956) did not appreciably increase the effects of picloram if a wetting agent was also present.”

✓ located verbatim in the source · abstract, characters 890–1036 · show in text ↑
e1

“guava plants grown in a glasshouse”

✓ located verbatim in the source · abstract, characters 601–635 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

DEF and picloram synergy was reduced when DEF was applied to guava leaves 2–4 hours before or after picloram.

Organ / stage
leavese0
Treatment
DEF was applied to guava leaves 2–4 h before or after piclorame0
Outcome
Synergisme0
Direction
reducede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Psidium guajava
Psidium guajava · TaxonFuadsyazwan ( talk ) · Public domain · Wikimedia Commons ↗

Verbatim

e0

“Synergism was reduced when DEF was applied to guava leaves 2–4 h before or after picloram”

✓ located verbatim in the source · abstract, characters 1037–1126 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

DEF and picloram did not interact when introduced into guava vascular tissue.

Organ / stage
vascular systeme0
Treatment
the compoundse0
Outcome
did not interacte0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Psidium guajava
Psidium guajava · TaxonFuadsyazwan ( talk ) · Public domain · Wikimedia Commons ↗

Verbatim

e0

“the compounds did not interact when they were introduced directly into the vascular system of this plant.”

✓ located verbatim in the source · abstract, characters 1132–1237 · show in text ↑
e1

“guava leaves 2–4 h before or after picloram”

✓ located verbatim in the source · abstract, characters 1083–1126 · show in text ↑