Abstract
Abstract To determine whether cold hardiness of peach [ Prunus persica (L.) Batsch] is affected by cultural practices, 2-year-old ‘Coronet’ trees growing in a peach tree short-life site were treated by soil fumigation with 1,2-dibromo-3-chloropropane (DBCP) late fall application of nitrogen, combination of fumigation and fall applied nitrogen, fall pruning (November), or usual grower practices (control). Cold hardiness was measured by determining the leakage of electrolytes from dormant terminal twig sections exposed to low temperatures, and visually by oxidative browning and ease of phloem-xylem separation. Fall-pruned trees were lower in cold hardiness and survival than controls. Nitrogen applied alone or in combination with fumigation reduced cold hardiness in early winter but increased vigor and survival. Trees grown in fumigated soil and winter-pruned were hardier than control trees and fall-pruned trees in nonfumigated soil. Differences in hardiness were greatest near bloom time. Cultural practices strongly affected cold hardiness of xylem, phloem, and cambium of treated trees, and cold hardiness was associated with tree longevity.
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Claims 7
Claim · model-written summary
Fall-pruned peach trees were lower in cold hardiness and survival than control trees.
- Taxon
- Peach
Prunus persicat0 - Treatment
- Fall-prunede0
- Outcome
- cold hardiness and survivale0
- Direction
- lowere0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fall-pruned trees were lower in cold hardiness and survival than controls”
t0“Peach Tree Short Life”
Claim · model-written summary
Nitrogen applied alone or combined with fumigation reduced peach cold hardiness in early winter.
- Taxon
- PeachPrunus persicat0
- Treatment
- Nitrogen applied alone or in combination with fumigatione0
- Outcome
- cold hardinesse0
- Direction
- reducede0
- Qualifier
- in early wintere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen applied alone or in combination with fumigation reduced cold hardiness in early winter but increased vigor and survival”
t0“Peach Tree Short Life”
Claim · model-written summary
Nitrogen applied alone or combined with fumigation increased vigor and survival of peach trees.
- Taxon
- PeachPrunus persicat0
- Treatment
- Nitrogen applied alone or in combination with fumigatione0
- Outcome
- vigor and survivale0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen applied alone or in combination with fumigation reduced cold hardiness in early winter but increased vigor and survival”
t0“Peach Tree Short Life”
Claim · model-written summary
Peach trees grown in fumigated soil and winter-pruned were hardier than control trees and fall-pruned trees in nonfumigated soil.
- Taxon
- PeachPrunus persicat0
- Treatment
- fumigated soil and winter-prunede0
- Outcome
- hardiere0
- Direction
- hardiere0
- Comparator
- control trees and fall-pruned trees in nonfumigated soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Trees grown in fumigated soil and winter-pruned were hardier than control trees and fall-pruned trees in nonfumigated soil”
t0“Peach Tree Short Life”
Claim · model-written summary
Differences in cold hardiness among treatments were greatest near bloom time.
- Taxon
- PeachPrunus persicat0
- Outcome
- Differences in hardinesse0
- Qualifier
- greatest near bloom timee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Differences in hardiness were greatest near bloom time”
t0“Peach Tree Short Life”
Claim · model-written summary
Cultural practices strongly affected cold hardiness of xylem, phloem and cambium of treated peach trees.
- Taxon
- PeachPrunus persicat0
- Organ / stage
- xylem, phloem, and cambiume0
- Treatment
- Cultural practicese0
- Outcome
- cold hardinesse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultural practices strongly affected cold hardiness of xylem, phloem, and cambium of treated trees”
t0“Peach Tree Short Life”
Claim · model-written summary
Cold hardiness was associated with tree longevity in the peach trees.
- Taxon
- PeachPrunus persicat0
- Treatment
- cold hardinesse0
- Outcome
- tree longevitye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cold hardiness was associated with tree longevity”
t0“Peach Tree Short Life”
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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.