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
Claim · model-written summary
Shoot elongation, leaf differentiation and PLB formation changed in parallel through the year.
- Organ / stage
- shoote0
- Outcome
- shoot elongation, leaf differentiation, and PLB formatione0
- Direction
- changed parallele0
CymbidiumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activities of shoot elongation, leaf differentiation, and PLB formation changed parallel with each other throughout the year”
t0“Cymbidium”
Claim · model-written summary
The organ formation activities increased in April and peaked in June.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activities remarkably increased in April and reached maxima in June”
t0“Cymbidium”
Claim · model-written summary
The organ formation activities reached their maxima in June.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activities remarkably increased in April and reached maxima in June”
t0“Cymbidium”
Claim · model-written summary
The activities decreased slightly in August and stayed unchanged until the following March.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activities decreased slightly in August and thereafter remained unchanged until the next March”
t0“Cymbidium”
Claim · model-written summary
PLBs formed from the axillary region.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Definitely from the axillary region and adventitiously from the basal region, PLBs were formed”
t0“Cymbidium”
Claim · model-written summary
PLBs formed adventitiously from the basal region.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Definitely from the axillary region and adventitiously from the basal region, PLBs were formed”
t0“Cymbidium”