Abstract
OBJECTIVE: Passion fruit improvement efforts by conventional breeding have had limited success calling for research into alternative approaches such as tissue culture and genetic engineering. An efficient and reproducible regeneration system is a prerequisite for successful genetic engineering. Currently, there is no reliable regeneration system for Uganda's passion fruit varieties owing to the high heterogeneity of the Passiflora genus. Therefore, this study aimed at establishing an efficient and reproducible regeneration system for Uganda's Passiflora edulis f. flavicarpa (yellow passion fruit) and Passiflora edulis f. edulis (purple passion fruit) for routine utilization with an ultimate goal of improving its agronomic value. RESULTS: The study successfully induced shoots by both direct and indirect organogenesis for the yellow passion fruit variety. Highest shoot induction frequency (14.85%) was achieved on 8.9 μM BAP while 7.9 μM BAP did not initiate any shoots. Optimal shoot elongation and rooting was achieved on 0.44 μM BAP and 5.37 µM α-naphthaleneacetic (NAA) respectively. Rooted yellow passion fruit plantlets were successfully weaned with over 65% survival rates. It took approximately 6 months to produce a weaned healthy passion fruit plant. The purple passion fruit variety proved to be recalcitrant to tissue culture with no successful shoot or callus induction.
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Claims 7
Claim · model-written summary
Yellow passion fruit shoots were induced by both direct and indirect organogenesis.
- Taxon
- Passiflora edulis f. flavicarpa
Passiflora edulis f. flavicarpae0 - Material
- yellow passion fruit varietye1
- Outcome
- induced shootse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uganda's Passiflora edulis f. flavicarpa (yellow passion fruit) and Passiflora edulis f. edulis (purple passion fruit)”
e1“The study successfully induced shoots by both direct and indirect organogenesis for the yellow passion fruit variety”
Claim · model-written summary
Highest shoot induction frequency of yellow passion fruit was 14.85% on 8.9 μM BAP, versus no shoots on 7.9 μM BAP.
- Taxon
- Passiflora edulis f. flavicarpaPassiflora edulis f. flavicarpae0
- Treatment
- 8.9 μM BAPe2
- Outcome
- shoot induction frequencye2
- Direction
- Higheste2
- Value
- 14.85%e2
- Comparator
- 7.9 μM BAPe2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uganda's Passiflora edulis f. flavicarpa (yellow passion fruit) and Passiflora edulis f. edulis (purple passion fruit)”
e2“Highest shoot induction frequency (14.85%) was achieved on 8.9 μM BAP while 7.9 μM BAP did not initiate any shoots”
Claim · model-written summary
Optimal shoot elongation of yellow passion fruit was achieved on 0.44 μM BAP.
- Taxon
- Passiflora edulis f. flavicarpaPassiflora edulis f. flavicarpae0
- Treatment
- 0.44 μM BAPe3
- Outcome
- shoot elongatione3
- Direction
- Optimale3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uganda's Passiflora edulis f. flavicarpa (yellow passion fruit) and Passiflora edulis f. edulis (purple passion fruit)”
e3“Optimal shoot elongation and rooting was achieved on 0.44 μM BAP and 5.37 µM α-naphthaleneacetic (NAA) respectively”
Claim · model-written summary
Optimal rooting of yellow passion fruit was achieved on 5.37 µM α-naphthaleneacetic (NAA).
- Taxon
- Passiflora edulis f. flavicarpaPassiflora edulis f. flavicarpae0
- Treatment
- 5.37 µM α-naphthaleneacetic (NAA)e4
- Outcome
- rootinge4
- Direction
- Optimale4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uganda's Passiflora edulis f. flavicarpa (yellow passion fruit) and Passiflora edulis f. edulis (purple passion fruit)”
e4“Optimal shoot elongation and rooting was achieved on 0.44 μM BAP and 5.37 µM α-naphthaleneacetic (NAA) respectively”
Claim · model-written summary
Rooted yellow passion fruit plantlets had over 65% survival after weaning.
- Taxon
- Passiflora edulis f. flavicarpaPassiflora edulis f. flavicarpae0
- Material
- yellow passion fruite5
- Outcome
- survival ratese5
- Value
- over 65%e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uganda's Passiflora edulis f. flavicarpa (yellow passion fruit) and Passiflora edulis f. edulis (purple passion fruit)”
e5“Rooted yellow passion fruit plantlets were successfully weaned with over 65% survival rates”
Claim · model-written summary
The purple passion fruit variety was recalcitrant to tissue culture, with no successful shoot or callus induction.
- Taxon
- Passiflora edulis f. edulis
Passiflora edulis f. edulise0 - Material
- purple passion fruit varietye6
- Outcome
- successful shoot or callus inductione6
- Qualifier
- recalcitrant to tissue culturee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uganda's Passiflora edulis f. flavicarpa (yellow passion fruit) and Passiflora edulis f. edulis (purple passion fruit)”
e6“The purple passion fruit variety proved to be recalcitrant to tissue culture with no successful shoot or callus induction”
Claim · model-written summary
Producing a weaned healthy passion fruit plant took approximately 6 months.
- Taxon
- Passiflora edulis f. flavicarpaPassiflora edulis f. flavicarpae0
- Outcome
- produce a weaned healthy passion fruit plante7
- Value
- approximately 6 monthse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Uganda's Passiflora edulis f. flavicarpa (yellow passion fruit) and Passiflora edulis f. edulis (purple passion fruit)”
e7“It took approximately 6 months to produce a weaned healthy passion fruit plant”
The same questions in other papers
1-naphthaleneacetic acid · growth · Passiflora edulis (passion fruit)Results agree
1 paper in the same direction as this paper
- positive
N-benzyladenine · growth · Passiflora edulis (passion fruit)Results agree
5 papers in the same direction as this paper
- positive
- positive
- positive
2 papers more in this group
See all 6 papers →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.