Abstract
A 3-year study was done to determine the effects of furrow, microspray, surface drip, and subsurface drip irrigation on production and fruit quality in mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees. Furrow and microspray irrigations were scheduled weekly or biweekly, which is common practice in central California, while surface and subsurface drip irrigations were scheduled daily. Trees were maintained at similar water potentials following irrigation by adjusting water applications as needed. Tree size and fruit number were normalized among treatments by pruning and thinning each season. Surface and subsurface drip produced the largest fruit on average and the highest marketable yields among treatments. Drip benefits appeared most related to the ability to apply frequent irrigations. Whether water was applied above or below ground, daily irrigations by drip maintained higher soil water content within the root zone and prevented cycles of water stress found between less-frequent furrow and microspray irrigations. With furrow and microsprays, midday tree water potentials reached as low as –1.4 MPa between weekly irrigations and –1.8 MPa between biweekly irrigations, which likely accounted for smaller fruit and lower yields in these treatments. To reduce water stress, more frequent irrigation is probably impractical with furrow systems but is recommended when irrigating during peak water demands by microspray.
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Claims 9
Claim · model-written summary
Surface and subsurface drip irrigation produced the largest fruit on average compared with furrow and microspray irrigation.
- Taxon
- Prunus persica
Prunus persicae0 - Treatment
- Surface and subsurface dripe2
- Outcome
- fruite2
- Direction
- largeste2
- Comparator
- Furrow and microspray irrigationse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees”
e1“Furrow and microspray irrigations were scheduled weekly or biweekly”
e2“Surface and subsurface drip produced the largest fruit on average and the highest marketable yields among treatments”
Claim · model-written summary
Surface and subsurface drip irrigation produced the highest marketable yields compared with furrow and microspray irrigation.
- Taxon
- Prunus persicaPrunus persicae0
- Treatment
- Surface and subsurface dripe2
- Outcome
- marketable yieldse2
- Direction
- higheste2
- Comparator
- Furrow and microspray irrigationse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees”
e1“Furrow and microspray irrigations were scheduled weekly or biweekly”
e2“Surface and subsurface drip produced the largest fruit on average and the highest marketable yields among treatments”
Claim · model-written summary
Daily drip irrigation maintained higher soil water content within the root zone than less-frequent furrow and microspray irrigation.
- Taxon
- Prunus persicaPrunus persicae0
- Treatment
- daily irrigations by dripe3
- Outcome
- soil water contente3
- Direction
- highere3
- Comparator
- less-frequent furrow and microspray irrigationse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees”
e3“daily irrigations by drip maintained higher soil water content within the root zone and prevented cycles of water stress found between less-frequent furrow and microspray irrigations”
Claim · model-written summary
Daily drip irrigation prevented cycles of water stress found with less-frequent furrow and microspray irrigation.
- Taxon
- Prunus persicaPrunus persicae0
- Treatment
- daily irrigations by dripe3
- Outcome
- cycles of water stresse3
- Direction
- preventede3
- Comparator
- less-frequent furrow and microspray irrigationse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees”
e3“daily irrigations by drip maintained higher soil water content within the root zone and prevented cycles of water stress found between less-frequent furrow and microspray irrigations”
Claim · model-written summary
With furrow and microsprays, midday tree water potential reached as low as –1.4 MPa between weekly irrigations.
- Taxon
- Prunus persicaPrunus persicae0
- Treatment
- furrow and microsprayse4
- Outcome
- midday tree water potentialse4
- Value
- –1.4 MPae4
- Qualifier
- between weekly irrigationse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees”
e4“With furrow and microsprays, midday tree water potentials reached as low as –1.4 MPa between weekly irrigations and –1.8 MPa between biweekly irrigations”
Claim · model-written summary
With furrow and microsprays, midday tree water potential reached as low as –1.8 MPa between biweekly irrigations.
- Taxon
- Prunus persicaPrunus persicae0
- Treatment
- furrow and microsprayse4
- Outcome
- midday tree water potentialse4
- Value
- –1.8 MPae4
- Qualifier
- between biweekly irrigationse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees”
e4“With furrow and microsprays, midday tree water potentials reached as low as –1.4 MPa between weekly irrigations and –1.8 MPa between biweekly irrigations”
Claim · model-written summary
Low midday tree water potentials with furrow and microspray irrigation likely accounted for smaller fruit and lower yields.
- Taxon
- Prunus persicaPrunus persicae0
- Outcome
- smaller fruit and lower yieldse5
- Qualifier
- midday tree water potentialse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees”
e4“midday tree water potentials reached as low as –1.4 MPa between weekly irrigations”
e5“which likely accounted for smaller fruit and lower yields in these treatments”
Claim · model-written summary
The authors recommend more frequent irrigation during peak water demand by microspray, and consider it impractical with furrow systems.
- Taxon
- Prunus persicaPrunus persicae0
- Outcome
- more frequent irrigatione6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees”
e6“more frequent irrigation is probably impractical with furrow systems but is recommended when irrigating during peak water demands by microspray”
Claim · model-written summary
Drip benefits in peach are related to the ability to apply frequent irrigations.
- Taxon
- Prunus persicaPrunus persicae0
- Treatment
- Dripe7
- Outcome
- benefitse7
- Qualifier
- ability to apply frequent irrigationse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mature `Crimson Lady' peach [ Prunus persica (L.) Batsch] trees”
e7“Drip benefits appeared most related to the ability to apply frequent irrigations”
The same questions in other papers
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- negative
- no effect
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- negative
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irrigation · quality: postharvest · Prunus persica (peach)Positive and negative results
7 papers in the same direction as this paper · 2 in the opposite direction
- positive
- no effect
- negative
6 papers more in this group
See all 10 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.