Abstract
For 2 years, 'Redchief Delicious' apple ( Malus × domestica Borkh.) trees were treated with combinations of NAA and oxamyl and 'Smoothee Golden Delicious' trees were treated with combinations of NAA and carbaryl. Oxamyl, at concentrations of 250 to 750 mg·L -1 , but not NAA at concentrations of 1 to 6 mg·L -1 , reduced fruit set, yield and crop value. NAA did not consistently affect average fruit weight or the percentage of small fruits on 'Redchief Delicious' trees. Carbaryl reduced fruit set and yield on 'Smoothee Golden Delicious' trees one of the two years. Fruit set and yield were negatively related to NAA concentration both years. In one of the two years the combination of NAA plus carbaryl was more effective than NAA alone. Treatments that provided adequate thinning tended to reduce crop value because the increase in fruit size did not compensate for the reduced yields. Chemical names used: 1-naphthyl- N -methylcarbamate (carbaryl); methyl N ′, N ′-demethyl- N [(methylcarbomoyl)oxy]-1-thiooxamimidate (oxamyl); 1-naphthaleneacetic acid (NAA).
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Claims 6
Claim · model-written summary
Oxamyl reduced fruit set, yield and crop value on Redchief Delicious trees.
- Taxon
- apple
Malus domesticae0e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Oxamyl, at concentrations of 250 to 750 mg·L -1 , but not NAA at concentrations of 1 to 6 mg·L -1 , reduced fruit set, yield and crop value.”
e1“apple ( Malus × domestica Borkh.)”
Claim · model-written summary
NAA did not consistently affect fruit weight or small-fruit share on Redchief Delicious.
- Taxon
- appleMalus domesticae0e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NAA did not consistently affect average fruit weight or the percentage of small fruits on 'Redchief Delicious' trees.”
e1“apple ( Malus × domestica Borkh.)”
Claim · model-written summary
Carbaryl reduced fruit set and yield on Smoothee Golden Delicious in one of two years.
- Taxon
- appleMalus domesticae0e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carbaryl reduced fruit set and yield on 'Smoothee Golden Delicious' trees one of the two years.”
e1“apple ( Malus × domestica Borkh.)”
Claim · model-written summary
Fruit set and yield declined with increasing NAA concentration in both years.
- Taxon
- appleMalus domesticae0e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fruit set and yield were negatively related to NAA concentration both years.”
e1“apple ( Malus × domestica Borkh.)”
Claim · model-written summary
NAA plus carbaryl thinned more effectively than NAA alone in one year.
- Taxon
- appleMalus domesticae0e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the combination of NAA plus carbaryl was more effective than NAA alone.”
e1“apple ( Malus × domestica Borkh.)”
Claim · model-written summary
Adequate thinning tended to reduce crop value because larger fruit did not offset reduced yield.
- Taxon
- appleMalus domesticae0e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatments that provided adequate thinning tended to reduce crop value because the increase in fruit size did not compensate for the reduced yields.”
e1“apple ( Malus × domestica Borkh.)”
The same questions in other papers
carbaryl · yield · Malus domestica (apple)Results differ
9 papers in the same direction as this paper · 32 in the opposite direction
- positive
- positive
- positive
38 papers more in this group
See all 42 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.