Abstract
In the present study effects of different plant growth regulator combinations on leaf callus growth in two Rosa hybrida cultivars, Rosa hybrida ‘Ingrid Bergman’ and Rosa hybrida ‘Xindongfang’, were analyzed. The plant growth regulators were added into MS, MS + 2,4-D (1.5 mg/l, 2.5 mg/l, 3.5 mg/L, and 4.5 mg/l) and MS + 2.0 mg/l NAA + 1.0 mg/l ZT, MS + 2.0 mg/l NAA + 1.0 mg/l KT, MS + 2.0 mg/l NAA + 1.0 mg/l 6-BA and MS + 2.0 mg/l NAA. The leaves were treated as broken and cultured on these nine different media types. Results showed significant differences in color, morphology, and callus quantity. In the first medium, the callus of rose leaves was the best on MS + 4.5 mg/l 2,4-D medium, followed by MS + 2.5 mg/l 2,4-D and MS + 3.5 mg/l 2,4-D, and finally MS + 1.5 mg/l 2,4-D. No callus was found in MS medium. In the second kind of medium, the leaves grow callus, and the callus grew best on MS + 2.0 mg/l NAA + 1.0 mg/l ZT medium, followed by MS + 2.0 mg/l NAA + 1.0 mg/l KT, finally MS + 2.0 mg/l NAA + 1.0 mg/l 6-BA, MS + 2.0 mg/l NAA medium, the callus grew loose and dry, and lost luster after a few days. Therefore, 2,4-D, KT, ZT, 6-BA, and NAA can promote the formation of callus. With the increase of concentration of 2,4-D, the callus induction rate increased, and the color of the callus also changed significantly. The combination of KT, ZT, and NAA had an obvious effect on callus induction and expansion. Bangladesh J. Bot. 52(3): 867-873, 2023 (September)
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Claims 8
Claim · model-written summary
On MS plus 2,4-D, rose leaf callus was best at 4.5 mg/l 2,4-D, followed by 2.5, 3.5 and 1.5 mg/l.
- Taxon
- Rosa hybrida
Rosa hybrid cultivare0 - Organ / stage
- rose leavese1
- Treatment
- MS + 4.5 mg/l 2,4-D mediume1
- Outcome
- callus of rose leavese1
- Direction
- the beste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects of different plant growth regulator combinations on leaf callus growth in two Rosa hybrida cultivars”
e1“In the first medium, the callus of rose leaves was the best on MS + 4.5 mg/l 2,4-D medium, followed by MS + 2.5 mg/l 2,4-D and MS + 3.5 mg/l 2,4-D, and finally MS + 1.5 mg/l 2,4-D”
Claim · model-written summary
MS medium alone produced no callus on rose leaves.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- MS mediume2
- Outcome
- calluse2
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects of different plant growth regulator combinations on leaf callus growth in two Rosa hybrida cultivars”
e2“No callus was found in MS medium”
Claim · model-written summary
On MS plus 2.0 mg/l NAA and 1.0 mg/l ZT, rose leaf callus grew best among the NAA-based media.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- MS + 2.0 mg/l NAA + 1.0 mg/l ZT mediume3
- Outcome
- calluse3
- Direction
- beste3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects of different plant growth regulator combinations on leaf callus growth in two Rosa hybrida cultivars”
e3“the callus grew best on MS + 2.0 mg/l NAA + 1.0 mg/l ZT medium”
Claim · model-written summary
2,4-D, KT, ZT, 6-BA and NAA promote the formation of callus from rose leaves.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- 2,4-D, KT, ZT, 6-BA, and NAAe4
- Outcome
- formation of calluse4
- Direction
- promotee4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects of different plant growth regulator combinations on leaf callus growth in two Rosa hybrida cultivars”
e4“2,4-D, KT, ZT, 6-BA, and NAA can promote the formation of callus”
Claim · model-written summary
Higher 2,4-D concentration increased the callus induction rate of rose leaves.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- concentration of 2,4-De5
- Outcome
- callus induction ratee5
- Direction
- increasede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects of different plant growth regulator combinations on leaf callus growth in two Rosa hybrida cultivars”
e5“With the increase of concentration of 2,4-D, the callus induction rate increased, and the color of the callus also changed significantly”
Claim · model-written summary
Increasing 2,4-D concentration significantly changed the colour of rose leaf callus.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- concentration of 2,4-De5
- Outcome
- color of the calluse5
- Direction
- changed significantlye5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects of different plant growth regulator combinations on leaf callus growth in two Rosa hybrida cultivars”
e5“With the increase of concentration of 2,4-D, the callus induction rate increased, and the color of the callus also changed significantly”
Claim · model-written summary
Plant growth regulator combinations gave significant differences in callus colour, morphology and quantity of Rosa hybrida leaves.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- different plant growth regulator combinationse0
- Outcome
- color, morphology, and callus quantitye6
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects of different plant growth regulator combinations on leaf callus growth in two Rosa hybrida cultivars”
e6“Results showed significant differences in color, morphology, and callus quantity”
Claim · model-written summary
The combination of KT, ZT and NAA had an obvious effect on callus induction and expansion of rose leaves.
- Taxon
- Rosa hybridaRosa hybrid cultivare0
- Treatment
- combination of KT, ZT, and NAAe7
- Outcome
- callus induction and expansione7
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effects of different plant growth regulator combinations on leaf callus growth in two Rosa hybrida cultivars”
e7“The combination of KT, ZT, and NAA had an obvious effect on callus induction and expansion”
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