Abstract
This experiment was conducted to investigate the effect of waterlogging conditions on the growth, root activities and nutrient contents of two-year old 'ampbell Early'grapevine (Vitis labrusca L.) under waterlogged condition from June 15 to July 27, 2005. For the experiment, two-year old grapevine seedlings were transplanted to 40 L pot with a sandy loam soil. Treatments consisted of non-waterlogging (control) with controlled at -40 kPa of soil water tension (NW), waterlogging with continuous aeration to supplying dissolved oxygen (WO), waterlogging with exchange of water twice a week (WE), and continuous waterlogging without aeration as well as exchange of water (WL). Eh of waterlogged soil (WO, WE and WL) maintained as reduction status of 70-80 20 mV but control was maintained as oxidation status of 520 60 mV during the experiment. The growth of shoot length, fresh and dry weight of grapevine by aeration (WO) was not significant among the waterlogged grapevine but had higher tendency than WE and WL treatments, except control. Nitrogen contents of leaf and petiole in waterlogged grapevines were not different among the treatments. P, K, Ca and Mg contents of waterlogged grapevine were reduced, but it' of leaf and petiole was higher in WO than in WE. However, Na contents of petiole in waterlogged condition were significantly increased compared to control. Formazan content of roots was higher in WO (0.466 mgVgVh) than in WE and WL, but was not different in control (0.496 mgVgVh). These data show that supplying dissolved oxygen by aeration could alleviate water stress which reduced growth and nutrient content of grapevine caused exhausting dissolved oxygen by waterlogging. However, aeration effect varied with situation, thus searching for a proper method to supply dissolved oxygen in waterlogged condition is very important to control the waterlogged situation which occurred in our vineyard.
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Claims 9
Claim · model-written summary
Waterlogged soil had a reducing Eh status, whereas control soil was oxidizing.
VitisOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Eh of waterlogged soil (WO, WE and WL) maintained as reduction status of 70-80 20 mV but control was maintained as oxidation status of 520 60 mV during the experiment.”
t0“grapevine”
Claim · model-written summary
Aerated waterlogged grapevines tended to have greater shoot length and fresh and dry weight than other waterlogged treatments, without significance.
- Treatment
- aeration (WO)e0
- Outcome
- shoot length, fresh and dry weighte0
- Direction
- highere0
- Comparator
- WE and WL treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth of shoot length, fresh and dry weight of grapevine by aeration (WO) was not significant among the waterlogged grapevine but had higher tendency than WE and WL treatments, except control.”
Claim · model-written summary
Leaf and petiole nitrogen content did not differ among waterlogged treatments.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen contents of leaf and petiole in waterlogged grapevines were not different among the treatments.”
Claim · model-written summary
Waterlogging reduced grapevine P, K, Ca and Mg contents.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P, K, Ca and Mg contents of waterlogged grapevine were reduced”
Claim · model-written summary
Aeration raised leaf and petiole mineral content relative to water exchange.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but it' of leaf and petiole was higher in WO than in WE”
t0“grapevine”
Claim · model-written summary
Waterlogging significantly increased petiole Na content relative to control.
- Treatment
- waterlogged conditione0
- Outcome
- Na contents of petiolee0
- Direction
- increasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Na contents of petiole in waterlogged condition were significantly increased compared to control.”
t0“grapevine”
Claim · model-written summary
Aeration produced higher root formazan content than water exchange or continuous waterlogging.
- Treatment
- WOe0
- Outcome
- Formazan content of rootse0
- Direction
- highere0
- Value
- 0.466 mgVgVhe0
- Comparator
- WE and WLe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Formazan content of roots was higher in WO (0.466 mgVgVh) than in WE and WL, but was not different in control (0.496 mgVgVh).”
t0“grapevine”
Claim · model-written summary
Root formazan content under aeration did not differ from control.
- Treatment
- WOe0
- Outcome
- Formazan content of rootse0
- Direction
- not differente0
- Value
- 0.496 mgVgVhe0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Formazan content of roots was higher in WO (0.466 mgVgVh) than in WE and WL, but was not different in control (0.496 mgVgVh).”
t0“grapevine”
Claim · model-written summary
The authors interpret dissolved oxygen supply as alleviating waterlogging stress and associated growth and nutrient loss.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“supplying dissolved oxygen by aeration could alleviate water stress which reduced growth and nutrient content of grapevine caused exhausting dissolved oxygen by waterlogging”
The same questions in other papers
flooding · nutrient: content · VitisResults agree
2 papers in the same direction as this paper
- negative
- negative
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.