Abstract
Bioenergy is considered as the most promising energy source under the energy crisis in the 21st century.Miscanthus sinensis is a very good bioenergy candidate because of its high biomass,good burning quality,environmental tolerance,and tolerance of marginal land for growth.To investigate the phenotypic variation and relationships of different wild M.sinensis populations collected from southwestern China,aproject was carried out to study nine botanical characteristics and yield characters of 37wild M.sinensis populations.There were significant differences(P0.01)between populations in all characteristics studied.Abundant morphological variation was detected in accessions of M.sinensis and their coefficients of variation were ranked as follows:dry weight of individual plant(46.89%)fresh weight of individual plant(46.34%)tiller numbers(44.08%) flag leaf length(33.99%)flag leaf width(27.40%)leaf width(19.59%)internode number(18.76%) internode length(18.49%)stem diameter(17.89%)plant height(14.64%)leaf length(12.83%).Phenotypic characteristics of M.sinensis were also significantly correlated.Those accessions with long and wide leaves were tall plants with longer and wider flag leaves,wider stems,but fewer tillers,and vice versa.In addition,the weight of individual plants was significantly correlated with tiller numbers,plant height,and leaf length which suggests that these characteristics should be improved and evaluated for future applications.Principal component analysis based on nine morphological characteristics showed that four principal components reflected most of the plant phenotypic characteristics.Thirty-seven populations were divided into 3categories based on Euclidean distance clustering analysis which included tall plants with long and narrow leaves,tall plants with long and wide leaves,as well as short plants with short and narrow leaves.
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Claims 17
Claim · model-written summary
Populations differed significantly in all studied characteristics.
- Taxon
- Miscanthus sinensis
Miscanthus sinensist0 - Outcome
- all characteristics studiede0
- Direction
- differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were significant differences(P0.01)between populations in all characteristics studied”
t0“Miscanthus sinensis”
Claim · model-written summary
Individual dry weight had 46.89% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- dry weight of individual plante0
- Value
- 46.89%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“dry weight of individual plant(46.89%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Individual fresh weight had 46.34% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- fresh weight of individual plante0
- Value
- 46.34%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fresh weight of individual plant(46.34%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Tiller numbers had 44.08% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- tiller numberse0
- Value
- 44.08%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tiller numbers(44.08%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Flag leaf length had 33.99% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- flag leaf lengthe0
- Value
- 33.99%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“flag leaf length(33.99%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Flag leaf width had 27.40% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- flag leaf widthe0
- Value
- 27.40%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“flag leaf width(27.40%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Leaf width had 19.59% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- leaf widthe0
- Value
- 19.59%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf width(19.59%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Internode number had 18.76% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- internode numbere0
- Value
- 18.76%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“internode number(18.76%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Internode length had 18.49% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- internode lengthe0
- Value
- 18.49%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“internode length(18.49%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Stem diameter had 17.89% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- stem diametere0
- Value
- 17.89%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stem diameter(17.89%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Plant height had 14.64% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- plant heighte0
- Value
- 14.64%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plant height(14.64%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Leaf length had 12.83% phenotypic variation.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- leaf lengthe0
- Value
- 12.83%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“leaf length(12.83%)”
t0“Miscanthus sinensis”
Claim · model-written summary
Long and wide leaves were associated with tall plants, larger flag leaves and wider stems.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Material
- accessionse0
- Organ / stage
- leavese0
- Outcome
- tall plants with longer and wider flag leaves,wider stemse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Those accessions with long and wide leaves were tall plants with longer and wider flag leaves,wider stems”
t0“Miscanthus sinensis”
Claim · model-written summary
Long and wide leaves were associated with fewer tillers.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Organ / stage
- leavese0
- Outcome
- tillerse0
- Direction
- fewere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Those accessions with long and wide leaves were tall plants with longer and wider flag leaves,wider stems,but fewer tillers”
t0“Miscanthus sinensis”
Claim · model-written summary
Individual plant weight correlated significantly with tiller number, plant height and leaf length.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Organ / stage
- leafe0
- Outcome
- weight of individual plantse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the weight of individual plants was significantly correlated with tiller numbers,plant height,and leaf length”
t0“Miscanthus sinensis”
Claim · model-written summary
Four principal components reflected most phenotypic characteristics.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- plant phenotypic characteristicse0
- Value
- foure0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“four principal components reflected most of the plant phenotypic characteristics”
t0“Miscanthus sinensis”
Claim · model-written summary
Clustering divided 37 populations into three plant phenotype categories.
- Taxon
- Miscanthus sinensisMiscanthus sinensist0
- Outcome
- 3categoriese0
- Value
- 3e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Thirty-seven populations were divided into 3categories based on Euclidean distance clustering analysis which included tall plants with long and narrow leaves,tall plants with long and wide leaves,as well as short plants with short and narrow leaves”
t0“Miscanthus sinensis”