Paper · 1983 · Journal of the Japanese Society for Horticultural Science

Morphological studies on organ formation in the Cymbidium shoot apex culture in vitro

Kiu Weon KIM; Shunji KAKO

6
claims
12
verbatim quotes
7
citations
1
research areas
✓
Open access

Abstract

Seasonal changes in shoot development and in organ formation activities of shoot apex explants in vegetative phase were examined throughout the year in Cymbidium. Protocorm-like bodies (PLB) formation of shoot apices excised with two leaf primordia was morphologically observed under light microscope. The activities of shoot elongation, leaf differentiation, and PLB formation changed parallel with each other throughout the year. The activities remarkably increased in April and reached maxima in June. The activities decreased slightly in August and thereafter remained unchanged until the next March. Then, they decreased remarkably in August and disappeared in September. Definitely from the axillary region and adventitiously from the basal region, PLBs were formed. In the former case they were called “definite PLBs” and in the latter case “adventitious PLBs”.

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Claims 6

Observationobservedoriginal resultmeasured

Claim · model-written summary

Shoot elongation, leaf differentiation and PLB formation changed in parallel through the year.

Taxon
CymbidiumCymbidiumt0
Organ / stage
shoote0
Outcome
shoot elongation, leaf differentiation, and PLB formatione0
Direction
changed parallele0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cymbidium
Cymbidium · Taxon · picture of the genus (one of its species)Rohit Naniwadekar · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The activities of shoot elongation, leaf differentiation, and PLB formation changed parallel with each other throughout the year”

✓ located verbatim in the source · abstract, characters 302–430 · show in text ↑
t0

“Cymbidium”

✓ located verbatim in the source · title, characters 48–57 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The organ formation activities increased in April and peaked in June.

Taxon
CymbidiumCymbidiumt0
Outcome
activitiese0
Direction
increasede0
Qualifier
Aprile0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cymbidium
Cymbidium · Taxon · picture of the genus (one of its species)Rohit Naniwadekar · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The activities remarkably increased in April and reached maxima in June”

✓ located verbatim in the source · abstract, characters 432–503 · show in text ↑
t0

“Cymbidium”

✓ located verbatim in the source · title, characters 48–57 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The organ formation activities reached their maxima in June.

Taxon
CymbidiumCymbidiumt0
Outcome
activitiese0
Direction
maximae0
Qualifier
Junee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cymbidium
Cymbidium · Taxon · picture of the genus (one of its species)Rohit Naniwadekar · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The activities remarkably increased in April and reached maxima in June”

✓ located verbatim in the source · abstract, characters 432–503 · show in text ↑
t0

“Cymbidium”

✓ located verbatim in the source · title, characters 48–57 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

The activities decreased slightly in August and stayed unchanged until the following March.

Taxon
CymbidiumCymbidiumt0
Outcome
activitiese0
Direction
decreased slightlye0
Qualifier
Auguste0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cymbidium
Cymbidium · Taxon · picture of the genus (one of its species)Rohit Naniwadekar · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The activities decreased slightly in August and thereafter remained unchanged until the next March”

✓ located verbatim in the source · abstract, characters 505–603 · show in text ↑
t0

“Cymbidium”

✓ located verbatim in the source · title, characters 48–57 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

PLBs formed from the axillary region.

Taxon
CymbidiumCymbidiumt0
Organ / stage
axillary regione0
Outcome
PLBs were formede0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cymbidium
Cymbidium · Taxon · picture of the genus (one of its species)Rohit Naniwadekar · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Definitely from the axillary region and adventitiously from the basal region, PLBs were formed”

✓ located verbatim in the source · abstract, characters 677–771 · show in text ↑
t0

“Cymbidium”

✓ located verbatim in the source · title, characters 48–57 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

PLBs formed adventitiously from the basal region.

Taxon
CymbidiumCymbidiumt0
Organ / stage
basal regione0
Outcome
PLBs were formede0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cymbidium
Cymbidium · Taxon · picture of the genus (one of its species)Rohit Naniwadekar · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Definitely from the axillary region and adventitiously from the basal region, PLBs were formed”

✓ located verbatim in the source · abstract, characters 677–771 · show in text ↑
t0

“Cymbidium”

✓ located verbatim in the source · title, characters 48–57 · show in text ↑