Abstract
In order to discover the ecological adaptability of different varieties in sand land areas,the pot experiment was conducted in greenhouse to investigate the water consumption features,plant physiological indexes,biological characters,output and water use efficiency(WUE) of three alfalfa varieties(WL-323,Siriver and Guyuan) under different soil moisture conditions.The results showed that the water consumption features of alfalfa at various growing stages changed along with the differences of moisture conditions and varieties;there was a remarkable negative correlativity between plant moisture stress(PMS) and soil moisture content,but the change of chlorophyll content in leaves among different moisture conditions and varieties was not remarkable;the plant height,branch number per plant,total branch length per plant,leaf number per plant,root number per plant,root depth,root collar diameter and dry weight of root of alfalfa tended to increase,but the ratio of root/canopy tended to decrease,along with the rise of soil moisture.Among the tested varieties,WL-323 was characterized with large root system,well-developed canopy,high forage output and high WUE,so its ecological adaptability to sandy soil was optimal;Siriver was characterized with high dry weight of root and high ratio of root/canopy,so its drought-resistance was relatively strong and its output and WUE was moderate;Guyuan was a variety with the lowest ecological adaptability to sandy soil.The results may be helpful to the rational distribution of alfalfa varieties and soil moisture adjustment on sandy land.
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Claims 11
Claim · model-written summary
WL-323 had the best ecological adaptability to sandy soil, with a large root system, high forage output and high WUE.
- Taxon
- alfalfa
Medicago sativae0 - Material
- WL-323e1
- Outcome
- ecological adaptability to sandy soile1
- Qualifier
- high forage output and high WUEe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the water consumption features of alfalfa at various growing stages changed along with the differences of moisture conditions and varieties”
e1“WL-323 was characterized with large root system,well-developed canopy,high forage output and high WUE,so its ecological adaptability to sandy soil was optimal”
Claim · model-written summary
Siriver had relatively strong drought resistance with moderate output and WUE.
- Taxon
- alfalfaMedicago sativae0
- Material
- Sirivere1
- Outcome
- drought-resistancee1
- Qualifier
- relatively stronge1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the water consumption features of alfalfa at various growing stages changed along with the differences of moisture conditions and varieties”
e1“Siriver was characterized with high dry weight of root and high ratio of root/canopy,so its drought-resistance was relatively strong and its output and WUE was moderate”
Claim · model-written summary
Guyuan had the lowest ecological adaptability to sandy soil among the three varieties.
- Taxon
- alfalfaMedicago sativae0
- Material
- Guyuane1
- Outcome
- ecological adaptability to sandy soile1
- Qualifier
- loweste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the water consumption features of alfalfa at various growing stages changed along with the differences of moisture conditions and varieties”
e1“Guyuan was a variety with the lowest ecological adaptability to sandy soil”
Claim · model-written summary
Rational distribution of alfalfa varieties and soil moisture adjustment may help on sandy land.
- Taxon
- alfalfaMedicago sativae0
- Outcome
- rational distribution of alfalfa varietiese1
- Qualifier
- soil moisture adjustment on sandy lande1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the water consumption features of alfalfa at various growing stages changed along with the differences of moisture conditions and varieties”
e1“The results may be helpful to the rational distribution of alfalfa varieties and soil moisture adjustment on sandy land”
Claim · model-written summary
Alfalfa water consumption features at the various growing stages changed with moisture conditions and varieties.
- Taxon
- alfalfaMedicago sativae0
- Outcome
- water consumption featurese0
- Qualifier
- changed along with the differences of moisture conditions and varietiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the water consumption features of alfalfa at various growing stages changed along with the differences of moisture conditions and varieties”
Claim · model-written summary
Plant moisture stress was remarkably negatively correlated with soil moisture content.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- soil moisture contente1
- Outcome
- plant moisture stress(PMS)e1
- Direction
- negative correlativitye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the water consumption features of alfalfa at various growing stages changed along with the differences of moisture conditions and varieties”
e1“there was a remarkable negative correlativity between plant moisture stress(PMS) and soil moisture content”
Claim · model-written summary
Chlorophyll content in leaves did not change remarkably among moisture conditions and varieties.
- Taxon
- alfalfaMedicago sativae0
- Outcome
- change of chlorophyll content in leavese1
- Qualifier
- among different moisture conditions and varietiese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the water consumption features of alfalfa at various growing stages changed along with the differences of moisture conditions and varieties”
e1“the change of chlorophyll content in leaves among different moisture conditions and varieties was not remarkable”
Claim · model-written summary
Plant height, branch number and total branch length of alfalfa tended to increase with soil moisture.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- the rise of soil moisturee1
- Outcome
- plant height,branch number per plant,total branch length per plante0
- Direction
- tended to increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the plant height,branch number per plant,total branch length per plant,leaf number per plant,root number per plant,root depth,root collar diameter and dry weight of root of alfalfa tended to increase”
e1“along with the rise of soil moisture”
Claim · model-written summary
Leaf number, root number and root depth of alfalfa tended to increase with soil moisture.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- the rise of soil moisturee1
- Outcome
- leaf number per plant,root number per plant,root depthe0
- Direction
- tended to increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the plant height,branch number per plant,total branch length per plant,leaf number per plant,root number per plant,root depth,root collar diameter and dry weight of root of alfalfa tended to increase”
e1“along with the rise of soil moisture”
Claim · model-written summary
Root collar diameter and root dry weight of alfalfa tended to increase with soil moisture.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- the rise of soil moisturee1
- Outcome
- root collar diameter and dry weight of roote0
- Direction
- tended to increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the plant height,branch number per plant,total branch length per plant,leaf number per plant,root number per plant,root depth,root collar diameter and dry weight of root of alfalfa tended to increase”
e1“along with the rise of soil moisture”
Claim · model-written summary
The root-to-canopy ratio of alfalfa tended to decrease with soil moisture.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- the rise of soil moisturee2
- Outcome
- ratio of root/canopye1
- Direction
- tended to decreasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the plant height,branch number per plant,total branch length per plant,leaf number per plant,root number per plant,root depth,root collar diameter and dry weight of root of alfalfa tended to increase”
e1“the ratio of root/canopy tended to decrease”
e2“along with the rise of soil moisture”