Abstract
Benzyladenine (BA), reported to increase fruit growth in apples, was evaluated with NAA to overcome NAA-induced inhibition of fruit growth. High volume sprays of NAA (15 mg·liter -1 ), BA (25 to 100 mg·liter -1 ) and combinations were applied to Redchief `Delicious' (king fruit = 10 mm). Yield was not significantly reduced. The combinations (NAA + BA 25, 50 or 100 mg·liter -1 ) resulted in the highest percentage of small fruit (39% < 70 mm) and the lowest percentage of large fruit (35% > 77 mm) compared to NAA, BA and hand thinned control. There was no significant effect of NAA or BA on size of king fruit in absence of lateral fruit competition on a given spur, while the combinations decreased (P = 0.01) king fruit size. NAA, but not BA, reduced growth of lateral fruit, with or without competition. However, the combinations caused marked suppression of lateral fruit growth and reduced seed content. With `Empire', both NAA (10 mg·liter -1 ) and BA (25 to 150 mg·liter -1 ) effectively thinned. Fruit size was greater with BA than NAA. The combinations (NAA, 10 mg·liter -1 + BA, 25 or 50 mg·liter -1 ) over-thinned and did not increase the amount of small fruit as in `Delicious'.
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Claims 15
Claim · model-written summary
Yield was not significantly reduced by the sprays.
Not reportedTreatmentComparator
Verbatim
t0“APPLES”
e0“Yield was not significantly reduced.”
Claim · model-written summary
NAA plus BA produced the highest percentage of small fruit, 39%, relative to NAA, BA and hand thinning.
Verbatim
t0“APPLES”
e0“The combinations (NAA + BA 25, 50 or 100 mg·liter -1 ) resulted in the highest percentage of small fruit (39% < 70 mm) and the lowest percentage of large fruit (35% > 77 mm) compared to NAA, BA and hand thinned control.”
Claim · model-written summary
NAA plus BA produced the lowest percentage of large fruit, 35%.
Verbatim
t0“APPLES”
e0“The combinations (NAA + BA 25, 50 or 100 mg·liter -1 ) resulted in the highest percentage of small fruit (39% < 70 mm) and the lowest percentage of large fruit (35% > 77 mm) compared to NAA, BA and hand thinned control.”
Claim · model-written summary
NAA alone did not significantly affect king fruit size without lateral competition.
Not reportedComparator
Verbatim
t0“APPLES”
e0“There was no significant effect of NAA or BA on size of king fruit in absence of lateral fruit competition on a given spur”
Claim · model-written summary
BA alone did not significantly affect king fruit size without lateral competition.
Not reportedComparator
Verbatim
t0“APPLES”
e0“There was no significant effect of NAA or BA on size of king fruit in absence of lateral fruit competition on a given spur”
Claim · model-written summary
NAA plus BA decreased king fruit size.
Not reportedComparator
Verbatim
t0“APPLES”
e0“the combinations decreased (P = 0.01) king fruit size.”
Claim · model-written summary
NAA reduced lateral fruit growth with or without competition.
Not reportedComparator
Verbatim
t0“APPLES”
e0“NAA, but not BA, reduced growth of lateral fruit, with or without competition.”
Claim · model-written summary
BA did not reduce lateral fruit growth.
Not reportedComparator
Verbatim
t0“APPLES”
e0“NAA, but not BA, reduced growth of lateral fruit, with or without competition.”
Claim · model-written summary
NAA plus BA suppressed lateral fruit growth.
Not reportedComparator
Verbatim
t0“APPLES”
e0“the combinations caused marked suppression of lateral fruit growth and reduced seed content.”
Claim · model-written summary
NAA plus BA reduced seed content.
Not reportedComparator
Verbatim
t0“APPLES”
e0“the combinations caused marked suppression of lateral fruit growth and reduced seed content.”
Claim · model-written summary
NAA thinned Empire apples.
Not reportedComparatorDirection
Verbatim
t0“APPLES”
e0“With `Empire', both NAA (10 mg·liter -1 ) and BA (25 to 150 mg·liter -1 ) effectively thinned.”
Claim · model-written summary
BA thinned Empire apples.
Not reportedComparatorDirection
Verbatim
t0“APPLES”
e0“With `Empire', both NAA (10 mg·liter -1 ) and BA (25 to 150 mg·liter -1 ) effectively thinned.”
Claim · model-written summary
Empire fruit size was greater with BA than NAA.
Verbatim
t0“APPLES”
e0“Fruit size was greater with BA than NAA.”
Claim · model-written summary
NAA plus BA overthinned Empire apples.
- Taxon
- APPLESt0
- Material
- Empiret1
- Treatment
- NAA, 10 mg·liter -1 + BA, 25 or 50 mg·liter -1e0
- Outcome
- over-thinnede0
Not reportedComparatorDirection
Verbatim
t0“APPLES”
e0“The combinations (NAA, 10 mg·liter -1 + BA, 25 or 50 mg·liter -1 ) over-thinned and did not increase the amount of small fruit as in `Delicious'.”
t1“EMPIRE”
Claim · model-written summary
NAA plus BA did not increase small Empire fruit as in Delicious.
Verbatim
t0“APPLES”
e0“The combinations (NAA, 10 mg·liter -1 + BA, 25 or 50 mg·liter -1 ) over-thinned and did not increase the amount of small fruit as in `Delicious'.”
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