Abstract
The morphological structure of vessel elements of ten Ribes L. varieties were observed and studied by optical microscope and scanning electron microscopy( SEM). The results are as follows:(1) The perforations for vessel elements of the ten Ribes L. varieties are scalariform perforation plate,and the number of perforation plate bars is different while the angles of end wall are in the little change.(2) There are alternate pitting and both alternate pitting and opposite pitting,and the shape of pits are different.(3) In the inner wall of some vessel elements,there are spiral thickenings and nets embossment. The researches show that Ribes L. varieties under different habitats have strong correlation between morphological structure and its ecological adaptability. The results show that the vessel elements of hygrophilous species are shorter and wider in diameter,while the vessel element of the xerophytes species are longer and smaller in diameter and ones of mesial species are in the middle size in both length and diameter. The relationship between the morphological characteristics of vessel elements and their ecological adaptability was analyzed in this paper.
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Claims 10
Claim · model-written summary
Ten Ribes varieties had scalariform perforation plates in their vessel elements.
Not reportedDirection
Verbatim
e0“The perforations for vessel elements of the ten Ribes L. varieties are scalariform perforation plate”
Claim · model-written summary
The number of perforation plate bars differed among Ribes varieties.
Verbatim
e0“the number of perforation plate bars is different”
t0“Ribes L. Varieties”
Claim · model-written summary
End wall angles changed little among Ribes varieties.
Verbatim
e0“the angles of end wall are in the little change”
t0“Ribes L. Varieties”
Claim · model-written summary
Ribes vessel elements showed alternate pitting or both alternate and opposite pitting.
Not reportedDirection
Verbatim
e0“There are alternate pitting and both alternate pitting and opposite pitting”
t0“Ribes L. Varieties”
Claim · model-written summary
Pit shape differed among Ribes varieties.
Verbatim
e0“the shape of pits are different”
t0“Ribes L. Varieties”
Claim · model-written summary
Some Ribes vessel element inner walls had spiral thickenings and nets embossment.
- Taxon
- Ribes L. Varietiest0
- Organ / stage
- vessel elementse0
- Outcome
- spiral thickenings and nets embossmente0
Not reportedDirection
Verbatim
e0“In the inner wall of some vessel elements,there are spiral thickenings and nets embossment”
t0“Ribes L. Varieties”
Claim · model-written summary
Vessel morphological structure was strongly correlated with ecological adaptability among Ribes varieties in different habitats.
- Taxon
- Ribes L. varietiese0
- Organ / stage
- morphological structuree0
- Outcome
- ecological adaptabilitye0
- Setting
- different habitatse0
Not reportedDirection
Verbatim
e0“Ribes L. varieties under different habitats have strong correlation between morphological structure and its ecological adaptability”
Claim · model-written summary
Hygrophilous Ribes species had shorter and wider vessel elements.
Verbatim
e0“vessel elements of hygrophilous species are shorter and wider in diameter”
t0“Ribes L. Varieties”
Claim · model-written summary
Xerophytic Ribes species had longer vessel elements with smaller diameters.
Verbatim
e0“vessel element of the xerophytes species are longer and smaller in diameter”
t0“Ribes L. Varieties”
Claim · model-written summary
Mesial Ribes species had intermediate vessel length and diameter.
Verbatim
e0“ones of mesial species are in the middle size in both length and diameter”
t0“Ribes L. Varieties”