Abstract
A silicon (Si)-deficient top soil was used in a pot experiment to investigate the effect of Si application on the shoot and root morphology of alfalfa (Medicago sativa L.). Silicon was applied to the alfalfa plants at 6 different rates (0, 0.025, 0.05, 0.10, 0.20, 0.30 g/kg), and each treatment was replicated 6 times. This study indicated that the Si content of roots and shoots increased significantly (P<0.05) with increasing Si concentration in the soil, and that the Si content of roots was greater than that of shoots. Plants treated with Si had increased leaf area, height, forage yield and shoots per plant during the reproductive period in comparison with controls. The application of Si also increased root volume, the number of secondary roots and root biomass. The effects of Si application were greater on roots than on shoots. The ratio of shoot to root dry weight was below 1.62 when Si was applied to plants and 1.91 without Si application. Overall, overcoming available Si deficiency resulted in a significant increase in shoot and root growth.
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Claims 7
Claim · model-written summary
Increasing soil silicon significantly increased silicon content in alfalfa roots and shoots.
- Taxon
- alfalfa
Medicago sativat0 - Treatment
- Si concentration in the soile0
- Outcome
- Si content of roots and shootse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si content of roots and shoots increased significantly (P<0.05) with increasing Si concentration in the soil”
t0“alfalfa”
Claim · model-written summary
Alfalfa root silicon content exceeded shoot silicon content.
- Taxon
- alfalfaMedicago sativat0
- Outcome
- Si content of rootse0
- Direction
- greatere0
- Comparator
- shootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Si content of roots was greater than that of shoots”
t0“alfalfa”
Claim · model-written summary
Silicon increased alfalfa leaf area, height, forage yield and shoot number during reproduction.
- Taxon
- alfalfaMedicago sativat0
- Organ / stage
- reproductive periode0
- Treatment
- Sie0
- Outcome
- leaf area, height, forage yield and shoots per plante0
- Direction
- increasede0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants treated with Si had increased leaf area, height, forage yield and shoots per plant during the reproductive period in comparison with controls”
t0“alfalfa”
Claim · model-written summary
Silicon increased alfalfa root volume, secondary-root number and root biomass.
- Taxon
- alfalfaMedicago sativat0
- Treatment
- Sie0
- Outcome
- root volume, the number of secondary roots and root biomasse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of Si also increased root volume, the number of secondary roots and root biomass”
t0“alfalfa”
Claim · model-written summary
Silicon effects were greater on roots than shoots.
- Taxon
- alfalfaMedicago sativat0
- Outcome
- effects of Si applicatione0
- Direction
- greatere0
- Comparator
- shootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effects of Si application were greater on roots than on shoots”
t0“alfalfa”
Claim · model-written summary
The shoot-to-root dry weight ratio was below 1.62 with silicon versus 1.91 without it.
- Taxon
- alfalfaMedicago sativat0
- Treatment
- Sie0
- Outcome
- ratio of shoot to root dry weighte0
- Direction
- belowe0
- Value
- 1.62e0
- Qualifier
- 1.91e0
- Comparator
- without Si applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The ratio of shoot to root dry weight was below 1.62 when Si was applied to plants and 1.91 without Si application”
t0“alfalfa”
Claim · model-written summary
Overcoming available silicon deficiency significantly increased shoot and root growth.
- Taxon
- alfalfaMedicago sativat0
- Treatment
- overcoming available Si deficiencye0
- Outcome
- shoot and root growthe0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“overcoming available Si deficiency resulted in a significant increase in shoot and root growth”
t0“alfalfa”
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See all 13 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.