Abstract
Puccinellia (Puccinellia ciliata Bor.) fairly resistant to salinity and used as forage for livestock in China, Australia, and Turkey. In this study, our objective was to determine the effects of salinity on growth and various photosynthetic pigments of an improved population of Puccinellia via recurrent selection. To accomplish this, effects of salinity on seedlings growth of homogenous Puccinellia was examined, one week after emerging of radicle from seeds. Seeds were germinated on Murashige and Skoog (MS) medium with 6% agar. Seedling growth was studied under different levels of NaCl salinity (0, 10, 20, 30, 40 μS/cm). Salinity applications were carried out for 6 weeks. Cultures were maintained in growth chambers at 24±2ºC and 16/8 light/dark conditions. Germination was scored during 2 weeks after culture initiation. The experiment was performed in a completely randomized design with three replicates. Plant growth parameters such as the number of radicle and tillers, maximum radicle and shoot length, plants fresh and dry weights were investigated. Photosynthetic pigments such as total chlorophyll, chlorophyll a, b, chlorophyll a/b ratio, total carotenoid, β- carotene, lutein and neoxanthin were examined. The maximum values for tiller number per plant, the maximum length of shoot and chlorophyll b were found in the 20 µs/cm, while the maximum length of the radicle was recorded at 10 µs/cm NaCl treatment. It was concluded that low salinity levels (10-20 μS/cm) increased seedling growth, while high salinity levels (30 and 40 μS/cm) inhibited the growth significantly. These results indicate that P. ciliata is a promising salt-tolerant and can be grown productively under low to moderate saline conditions between 10-20 µs/cm.
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Claims 7
Claim · model-written summary
Tiller number per plant was maximal at 20 µs/cm.
- Taxon
- Puccinellia ciliataPuccinellia ciliatat0
- Treatment
- 20 µs/cme0
- Outcome
- tiller number per plante0
- Direction
- maximume0
Not reportedComparator
Verbatim
e0“The maximum values for tiller number per plant, the maximum length of shoot and chlorophyll b were found in the 20 µs/cm”
t0“Puccinellia ciliata”
Claim · model-written summary
Shoot length was maximal at 20 µs/cm.
- Taxon
- Puccinellia ciliataPuccinellia ciliatat0
- Treatment
- 20 µs/cme0
- Outcome
- length of shoote0
- Direction
- maximume0
Not reportedComparator
Verbatim
e0“The maximum values for tiller number per plant, the maximum length of shoot and chlorophyll b were found in the 20 µs/cm”
t0“Puccinellia ciliata”
Claim · model-written summary
Chlorophyll b was maximal at 20 µs/cm.
- Taxon
- Puccinellia ciliataPuccinellia ciliatat0
- Treatment
- 20 µs/cme0
- Outcome
- chlorophyll be0
- Direction
- maximume0
Not reportedComparator
Verbatim
e0“The maximum values for tiller number per plant, the maximum length of shoot and chlorophyll b were found in the 20 µs/cm”
t0“Puccinellia ciliata”
Claim · model-written summary
Radicle length was maximal at 10 µs/cm NaCl.
- Taxon
- Puccinellia ciliataPuccinellia ciliatat0
- Treatment
- 10 µs/cm NaCl treatmente0
- Outcome
- length of the radiclee0
- Direction
- maximume0
Not reportedComparator
Verbatim
e0“the maximum length of the radicle was recorded at 10 µs/cm NaCl treatment”
t0“Puccinellia ciliata”
Claim · model-written summary
Low salinity increased seedling growth.
- Taxon
- Puccinellia ciliataPuccinellia ciliatat0
- Treatment
- low salinity levels (10-20 μS/cm)e0
- Outcome
- seedling growthe0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“low salinity levels (10-20 μS/cm) increased seedling growth”
t0“Puccinellia ciliata”
Claim · model-written summary
High salinity significantly inhibited growth.
- Taxon
- Puccinellia ciliataPuccinellia ciliatat0
- Treatment
- high salinity levels (30 and 40 μS/cm)e0
- Outcome
- growthe0
- Direction
- inhibitede0
Not reportedComparator
Verbatim
e0“high salinity levels (30 and 40 μS/cm) inhibited the growth significantly”
t0“Puccinellia ciliata”
Claim · model-written summary
The authors consider P. ciliata suitable for productive cultivation at low to moderate salinity.
- Taxon
- P. ciliataPuccinellia ciliatae0
- Outcome
- can be grown productively under low to moderate saline conditions between 10-20 µs/cme0
Verbatim
e0“P. ciliata is a promising salt-tolerant and can be grown productively under low to moderate saline conditions between 10-20 µs/cm”
The same questions in other papers
salinity · growth · Puccinellia ciliataPositive and negative results
2 in the opposite direction
- 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.