Abstract
This experiment studied the effect of water regulate and control on water consumption regularity,yield and quality of wine grape( Merlot,13 a) under drip irrigation. The results showed that water consumption intensity in berry growth period reached 2. 64 ~ 3. 66 mm·d- 1,the water consumption modulus accounted more than50%. Meanwhile,the yield reduced 61. 2% and water use efficiency dropped 38. 5% in this period,the total sugar and soluble solids content lessened,and the titratable acid content rised under deficit irrigation in this period. In new shoot growing period and flowering fruit-set period,the severe water deficit had little influence on yield,and the water use efficiency can be increased 10%. While in berry maturity period,the severe water deficit could enhanced the total sugar and soluble solids content,reduced the titratable acid content. But the yield reduced 44.7%,the water use efficiency can be dropped 23%. Through the comprehenve analysis,it was the optimal water regulating and controlling model for increasing wine grape yield and water use efficiency,and improving fruit qualities as severe water deficit in new shoot growing period and flowering fruit-set period,full water supply in berry growth period,and moderate water deficit in berry maturity period.
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Claims 13
Claim · model-written summary
Berry growth water use intensity was 2. 64 ~ 3. 66 mm·d- 1.
- Taxon
- wine grape
Vitis viniferat0 - Organ / stage
- berry growth periode0
- Outcome
- water consumption intensitye0
- Value
- 2. 64 ~ 3. 66 mm·d- 1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water consumption intensity in berry growth period reached 2. 64 ~ 3. 66 mm·d- 1”
t0“wine grape”
Claim · model-written summary
Berry growth accounted for more than 50% of water consumption.
- Taxon
- wine grapeVitis viniferat0
- Organ / stage
- berry growth periode1
- Outcome
- water consumption moduluse0
- Value
- more than50%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water consumption modulus accounted more than50%”
t0“wine grape”
e1“water consumption intensity in berry growth period”
Claim · model-written summary
Berry growth deficit irrigation reduced yield by 61. 2%.
- Taxon
- wine grapeVitis viniferat0
- Treatment
- deficit irrigatione1
- Outcome
- yielde0
- Direction
- reducede0
- Value
- 61. 2%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield reduced 61. 2%”
t0“wine grape”
e1“under deficit irrigation in this period”
Claim · model-written summary
Berry growth deficit irrigation dropped water use efficiency by 38. 5%.
- Taxon
- wine grapeVitis viniferat0
- Treatment
- deficit irrigatione1
- Outcome
- water use efficiencye0
- Direction
- droppede0
- Value
- 38. 5%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water use efficiency dropped 38. 5%”
t0“wine grape”
e1“under deficit irrigation in this period”
Claim · model-written summary
Berry growth deficit irrigation lessened sugar and soluble solids.
- Taxon
- wine grapeVitis viniferat0
- Treatment
- deficit irrigatione1
- Outcome
- total sugar and soluble solids contente0
- Direction
- lessenede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the total sugar and soluble solids content lessened”
t0“wine grape”
e1“under deficit irrigation in this period”
Claim · model-written summary
Berry growth deficit irrigation raised titratable acid.
- Taxon
- wine grapeVitis viniferat0
- Treatment
- deficit irrigatione0
- Outcome
- titratable acid contente0
- Direction
- risede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the titratable acid content rised under deficit irrigation in this period”
t0“wine grape”
Claim · model-written summary
Early severe deficit had little influence on yield.
- Taxon
- wine grapeVitis viniferat0
- Organ / stage
- new shoot growing period and flowering fruit-set periode0
- Treatment
- severe water deficite0
- Outcome
- yielde0
- Direction
- little influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In new shoot growing period and flowering fruit-set period,the severe water deficit had little influence on yield,and the water use efficiency can be increased 10%”
t0“wine grape”
Claim · model-written summary
Early severe deficit raised water use efficiency by 10%.
- Taxon
- wine grapeVitis viniferat0
- Treatment
- severe water deficite0
- Outcome
- water use efficiencye0
- Direction
- increasede0
- Value
- 10%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In new shoot growing period and flowering fruit-set period,the severe water deficit had little influence on yield,and the water use efficiency can be increased 10%”
t0“wine grape”
Claim · model-written summary
Maturity deficit enhanced sugar and soluble solids.
- Taxon
- wine grapeVitis viniferat0
- Organ / stage
- berry maturity periode0
- Treatment
- severe water deficite0
- Outcome
- total sugar and soluble solids contente0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in berry maturity period,the severe water deficit could enhanced the total sugar and soluble solids content,reduced the titratable acid content”
t0“wine grape”
Claim · model-written summary
Maturity deficit reduced titratable acid.
- Taxon
- wine grapeVitis viniferat0
- Treatment
- severe water deficite0
- Outcome
- titratable acid contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in berry maturity period,the severe water deficit could enhanced the total sugar and soluble solids content,reduced the titratable acid content”
t0“wine grape”
Claim · model-written summary
Maturity severe deficit reduced yield by 44.7%.
- Taxon
- wine grapeVitis viniferat0
- Treatment
- severe water deficite1
- Outcome
- yielde0
- Direction
- reducede0
- Value
- 44.7%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the yield reduced 44.7%”
t0“wine grape”
e1“in berry maturity period,the severe water deficit”
Claim · model-written summary
Maturity severe deficit dropped water use efficiency by 23%.
- Taxon
- wine grapeVitis viniferat0
- Treatment
- severe water deficite1
- Outcome
- water use efficiencye0
- Direction
- droppede0
- Value
- 23%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the water use efficiency can be dropped 23%”
t0“wine grape”
e1“in berry maturity period,the severe water deficit”
Claim · model-written summary
The authors recommend staged deficit irrigation for yield and quality.
- Taxon
- wine grapeVitis viniferat0
- Outcome
- severe water deficit in new shoot growing period and flowering fruit-set period,full water supply in berry growth period,and moderate water deficit in berry maturity periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it was the optimal water regulating and controlling model for increasing wine grape yield and water use efficiency,and improving fruit qualities as severe water deficit in new shoot growing period and flowering fruit-set period,full water supply in berry growth period,and moderate water deficit in berry maturity period”
t0“wine grape”
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