Abstract
The salt tolerance of crop species and cultivars may vary depending on the mineral content of the soil. Phosphorus (P) availability and uptake is limited in calcareous soil. The main problem of salinity and P deficiency is reduced yield in arid and semiarid regions. To examine the relations between NaClsalinity (0, 50 mM, 100 mM and 150 mm) and P (0, 30, 60 and 90 kg P 2 O 5 ha -1 stated P 0 , P 30 , P 60 and P 90 , respectively) on growth, water potential, chlorophyll and P concentration of green beans, a pot experiment was conducted for thirty days in a climate chamber. The experiment was designed as a complete randomized block with three replicates. Salinity decreased dry matter and P concentrations of root, stem and leaf as well as the chlorophyll content of old leaves, while P application increased dry weight and the P concentration of plants. Chlorophyll content of young leaves was increased by P application and P 60 with 50 mM application led to a reduction of water loss in turgor when compared to control. The results of this study suggested that dry weight and P concentration in green bean leaves were affected positively by P 60 together with 50 mM NaCl application. In addition, the same application decreased the loss of turgidity of younger leaves. The adequate P application may have contributed to the water potential of green beans under salinization.
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Claims 11
Claim · model-written summary
Salinity decreased green bean dry matter.
Not reportedComparator
Verbatim
e0“Salinity decreased dry matter and P concentrations of root, stem and leaf”
t0“green beans”
Claim · model-written summary
Salinity decreased phosphorus concentrations in roots, stems and leaves.
- Taxon
- green beanst0
- Organ / stage
- root, stem and leafe0
- Treatment
- Salinitye0
- Outcome
- P concentrations of root, stem and leafe0
- Direction
- decreasede0
Not reportedComparator
Verbatim
e0“Salinity decreased dry matter and P concentrations of root, stem and leaf”
t0“green beans”
Claim · model-written summary
Salinity decreased chlorophyll content of old leaves.
- Taxon
- green beanst0
- Organ / stage
- old leavese0
- Treatment
- Salinitye0
- Outcome
- chlorophyll content of old leavese0
- Direction
- decreasede0
Not reportedComparator
Verbatim
e0“Salinity decreased dry matter and P concentrations of root, stem and leaf as well as the chlorophyll content of old leaves”
t0“green beans”
Claim · model-written summary
Phosphorus application increased plant dry weight.
Not reportedComparator
Verbatim
e0“P application increased dry weight and the P concentration of plants”
t0“green beans”
Claim · model-written summary
Phosphorus application increased plant phosphorus concentration.
Not reportedComparator
Verbatim
e0“P application increased dry weight and the P concentration of plants”
t0“green beans”
Claim · model-written summary
Phosphorus application increased chlorophyll content of young leaves.
- Taxon
- green beanst0
- Organ / stage
- young leavese0
- Treatment
- P applicatione0
- Outcome
- Chlorophyll content of young leavese0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“Chlorophyll content of young leaves was increased by P application”
t0“green beans”
Claim · model-written summary
P 60 with 50 mM application reduced water loss in turgor compared with control.
Verbatim
e0“P 60 with 50 mM application led to a reduction of water loss in turgor when compared to control”
t0“green beans”
Claim · model-written summary
P 60 together with 50 mM NaCl positively affected dry weight of green bean leaves.
- Taxon
- green beane0
- Organ / stage
- leavese0
- Treatment
- P 60 together with 50 mM NaCl applicatione0
- Outcome
- dry weighte0
- Direction
- positivelye0
Not reportedComparator
Verbatim
e0“dry weight and P concentration in green bean leaves were affected positively by P 60 together with 50 mM NaCl application”
Claim · model-written summary
P 60 together with 50 mM NaCl positively affected phosphorus concentration in green bean leaves.
- Taxon
- green beane0
- Organ / stage
- leavese0
- Treatment
- P 60 together with 50 mM NaCl applicatione0
- Outcome
- P concentration in green bean leavese0
- Direction
- positivelye0
Not reportedComparator
Verbatim
e0“dry weight and P concentration in green bean leaves were affected positively by P 60 together with 50 mM NaCl application”
Claim · model-written summary
The same P 60 and 50 mM NaCl treatment decreased loss of turgidity in younger leaves.
- Taxon
- green beanst0
- Organ / stage
- younger leavese0
- Treatment
- the same applicatione0
- Outcome
- loss of turgidity of younger leavese0
- Direction
- decreasede0
Not reportedComparator
Verbatim
e0“the same application decreased the loss of turgidity of younger leaves”
t0“green beans”
Claim · model-written summary
Adequate phosphorus application may have contributed to water potential under salinization.
Verbatim
e0“The adequate P application may have contributed to the water potential of green beans under salinization”
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