Abstract
The effect of stationary liquid media to improve shoots elongation in date palm cv. Najda and an in vitro pre-acclimatization stage to increase the survival ercentage of plantlets in the greenhouse was investigated. Two basal liquid media were tested: full strength and half strength Murashige and Skoog medium (MS). Media were devoid of plant growth regulators (PGRs), containing 0.5 mg/L 6-benzylaminopurine (BAP) or 0.5 mg/L indole-3-butyric acid (IBA) and 0.5 mg/L BAP. After three months of culture, all liquid media were efficient and allowed to overcome slow growth problem. The maximum shoot elongation was 11.3 cm, obtained in MS supplemented with 0.5 mg/L BAP and 0.5 mg/L IBA. The shoots were isolated and transferred either to the greenhouse or to one month in vitro pre-acclimatization stage in a PGRs-free solid medium (MS or MS/2) then to the greenhouse. A higher surviving rate (ranging from 70 to 86 %) was obtained after one month pre-acclimatization compared with the direct transfer to the greenhouse (12–28 %).
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Claims 3
Claim · model-written summary
The maximum date palm shoot elongation of 11.3 cm was obtained in MS supplemented with 0.5 mg/L BAP and 0.5 mg/L IBA in liquid medium.
- Taxon
- date palm
Phoenix dactyliferae2 - Material
- cv. Najdae2
- Organ / stage
- shootse2
- Treatment
- MS supplemented with 0.5 mg/L BAP and 0.5 mg/L IBAe1
- Outcome
- shoot elongatione1
- Direction
- maximume1
- Value
- 11.3 cme1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The maximum shoot elongation was 11.3 cm, obtained in MS supplemented with 0.5 mg/L BAP and 0.5 mg/L IBA”
e2“The effect of stationary liquid media to improve shoots elongation in date palm cv. Najda”
Claim · model-written summary
After three months of culture, all liquid media were efficient in letting date palm shoots overcome the slow growth problem.
- Taxon
- date palmPhoenix dactyliferae2
- Material
- cv. Najdae2
- Treatment
- liquid mediae3
- Outcome
- slow growth probleme3
- Direction
- overcomee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The effect of stationary liquid media to improve shoots elongation in date palm cv. Najda”
e3“After three months of culture, all liquid media were efficient and allowed to overcome slow growth problem”
Claim · model-written summary
One month of in vitro pre-acclimatization gave a higher greenhouse survival rate (70 to 86 %) than direct transfer to the greenhouse (12–28 %).
- Taxon
- date palmPhoenix dactyliferae2
- Treatment
- one month pre-acclimatizatione4
- Outcome
- surviving ratee4
- Direction
- highere4
- Value
- 70 to 86 %e4
- Qualifier
- 12–28 %e4
- Comparator
- direct transfer to the greenhousee4
- Setting
- greenhousee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The effect of stationary liquid media to improve shoots elongation in date palm cv. Najda”
e4“A higher surviving rate (ranging from 70 to 86 %) was obtained after one month pre-acclimatization compared with the direct transfer to the greenhouse (12–28 %)”
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