Abstract
Salinity poses several problems for plant growth and development by inducing physiological disfunctions. Species and varieties are however known to vary widely in their ability to tolerate salts. The use of salt tolerant species can contribute to a best valorization of salt soil. It is well known that Sugar beet is tolerant salts, and this can serve as an alternative culture in regions affected or abandonned because of excescive salinity. The aim of this study is the characterization of the quality of soil, growth and percentage of sugar of Beet cultivated in salty environment. A test in pot culure is effectued by imposing six levels (0,64 - 2,9 - 5,8 - 8,7 - 11,68 and 14,6 g/l) of NaCl. In this treatment, the soil used is wealth in organic matters (2,12%), and is characterized by a low initial salinity (CEs1:5 water soil extract 0,225 ds/m), a low alkalin pH (7,75) and a texture limono-sableuse. The variety of Sugar beet tested is Mribomagnapoly multigerm of type E, which was collected 170 days after the sowing. The study Shows that at concentration of NaCl higher than 8,76 g/l, the soil present an accumulation of solubles salts (salinization) and sodium (solarization). The growth was significantly affected at 11,68 g/l of NaCl concentration.The root seem to be less affected by water salinity than shoots: the dry weights reduction percentage of shoot and root is 48% and 39% respectively. On the other hand, salinity stress is responsible for Sodium accumulation and Potassium deficiency in root. The Sugar beet is tolerant to salinity in terms of yield and survival, but the sucrose content is significantly reduced under saline condition. La salinité des eaux et des sols limite la productivité et l'extension des cultures sensibles. La présente étude a pour objectif de caractériser la qualité du sol, la croissance et le taux de sucre de la betterave à sucre cultivée dans un milieu salin. Des cultures de betteraves à sucre irriguées par des eaux contenant 0,64 à 14,6 g/l de NaCl montrent qu'à des concentrations qui dépassent 8,76 g/l le sol présente une accumulation des sels solubles (salinisation) et de sodium (sodisation). La croissance des plants est significativement affectée suite à l'irrigation par des eaux à une concentration de 11,68 g/l en NaCl. La betterave à sucre a montré une résistance à la salinité, et si des doses modérées en NaCl se sont montrées favorables, celle-ci voit sa richesse saccharine diminuer fortement sous stress salin.
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Claims 10
Claim · model-written summary
At NaCl above 8,76 g/l, soluble salts accumulated in the soil.
- Taxon
- Sugar beet
Beta vulgaris subsp. vulgarise1 - Treatment
- NaCl higher than 8,76 g/le0
- Outcome
- soil present an accumulation of solubles saltse0
- Direction
- accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at concentration of NaCl higher than 8,76 g/l, the soil present an accumulation of solubles salts (salinization)”
e1“The variety of Sugar beet tested”
Claim · model-written summary
At NaCl above 8,76 g/l, sodium accumulated in the soil.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise1
- Treatment
- NaCl higher than 8,76 g/le0
- Outcome
- sodium (solarization)e0
- Direction
- accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at concentration of NaCl higher than 8,76 g/l, the soil present an accumulation of solubles salts (salinization) and sodium (solarization)”
e1“The variety of Sugar beet tested”
Claim · model-written summary
NaCl at 11,68 g/l significantly affected sugar beet growth.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise1
- Treatment
- 11,68 g/l of NaCle0
- Outcome
- growthe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The growth was significantly affected at 11,68 g/l of NaCl concentration”
e1“The variety of Sugar beet tested”
Claim · model-written summary
Salinity reduced sugar beet shoot dry weight by 48%.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise2
- Treatment
- salinity stresse1
- Outcome
- dry weights reduction percentage of shoote0
- Direction
- reductione0
- Value
- 48%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the dry weights reduction percentage of shoot and root is 48% and 39% respectively”
e1“salinity stress”
e2“The variety of Sugar beet tested”
Claim · model-written summary
Salinity reduced sugar beet root dry weight by 39%.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise2
- Treatment
- salinity stresse1
- Outcome
- dry weights reduction percentage of shoot and roote0
- Direction
- reductione0
- Value
- 39%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the dry weights reduction percentage of shoot and root is 48% and 39% respectively”
e1“salinity stress”
e2“The variety of Sugar beet tested”
Claim · model-written summary
Salinity stress caused sodium accumulation in sugar beet roots.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise1
- Organ / stage
- roote0
- Treatment
- salinity stresse0
- Outcome
- Sodium accumulatione0
- Direction
- accumulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salinity stress is responsible for Sodium accumulation and Potassium deficiency in root”
e1“The variety of Sugar beet tested”
Claim · model-written summary
Salinity stress caused potassium deficiency in sugar beet roots.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise1
- Organ / stage
- roote0
- Treatment
- salinity stresse0
- Outcome
- Potassium deficiencye0
- Direction
- deficiencye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salinity stress is responsible for Sodium accumulation and Potassium deficiency in root”
e1“The variety of Sugar beet tested”
Claim · model-written summary
Sugar beet survived saline conditions and retained yield tolerance.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise0
- Outcome
- tolerant to salinity in terms of yield and survivale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Sugar beet is tolerant to salinity in terms of yield and survival”
Claim · model-written summary
Saline conditions significantly reduced sugar beet sucrose content.
- Taxon
- Sugar beetBeta vulgaris subsp. vulgarise1
- Treatment
- saline conditione0
- Outcome
- sucrose contente0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the sucrose content is significantly reduced under saline condition”
e1“The Sugar beet”
Claim · model-written summary
Moderate NaCl doses were favorable for sugar beet.
Verbatim
e0“si des doses modérées en NaCl se sont montrées favorables”
e1“La betterave à sucre”
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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.