Abstract
3 Abstract: An experiment was conducted in College of Post Graduate Studies, CAU, Barapani, Meghalaya in 2011 to recognize the inhibitory effect of aqueous extracts of Lantana camara L. (a globally recognized invasive alien weed) on garden pea (Pisum sativum L.) The test was conducted in sterilized petridishes with a photoperiod of 24 hours and an average temperature of 30°C. The effect of different concentrations of lantana leaf and seed extracts (10, 20, 30, 40 and 50%) were recorded and compared with control (i.e., distilled water). Results showed that different concentrations of aqueous leaf extracts caused significant inhibitory effect on germination, root and shoot elongation rate and relative biomass ratio of receptor crops. Bioassays also indicated that the inhibitory effect was proportional to the concentrations of the extracts and higher concentration had the stronger inhibitory effect whereas the lower concentration of 10% showed stimulatory effect in some cases. The inhibitory effect was much pronounced in radical and plumule development. Hence, lantana cannot be used as a mulching material.
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Claims 5
Claim · model-written summary
Lantana leaf extracts significantly inhibited pea germination, root and shoot elongation, and relative biomass.
- Taxon
- garden pea (Pisum sativum L.)
Lathyrus oleraceust0 - Treatment
- aqueous leaf extractse0
- Interactor
- Lantana Camara
_mit_Insekt.jpg?width=60)
Lantana camarat0weedt1 - Outcome
- germination, root and shoot elongation rate and relative biomass ratioe0
- Direction
- inhibitorye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_mit_Insekt.jpg?width=500)
Verbatim
e0“different concentrations of aqueous leaf extracts caused significant inhibitory effect on germination, root and shoot elongation rate and relative biomass ratio of receptor crops”
t0“Lantana Camara on Germination and Seedling Growth Behavior of Garden Pea (Pisum sativum L.)”
t1“weed”
Claim · model-written summary
Inhibition increased with extract concentration.
- Taxon
- garden pea (Pisum sativum L.)Lathyrus oleraceust0
- Treatment
- concentrations of the extractse0
- Interactor
- Lantana CamaraLantana camarat0weedt1
- Outcome
- inhibitory effecte0
- Direction
- stronger inhibitory effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the inhibitory effect was proportional to the concentrations of the extracts and higher concentration had the stronger inhibitory effect”
t0“Lantana Camara on Germination and Seedling Growth Behavior of Garden Pea (Pisum sativum L.)”
t1“weed”
Claim · model-written summary
The 10% extract concentration stimulated pea in some cases.
- Taxon
- garden pea (Pisum sativum L.)Lathyrus oleraceust0
- Treatment
- lower concentration of 10%e0
- Interactor
- Lantana CamaraLantana camarat0weedt1
- Outcome
- stimulatory effecte0
- Qualifier
- in some casese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the lower concentration of 10% showed stimulatory effect in some cases”
t0“Lantana Camara on Germination and Seedling Growth Behavior of Garden Pea (Pisum sativum L.)”
t1“weed”
Claim · model-written summary
Inhibition was especially pronounced in radicle and plumule development.
- Taxon
- garden pea (Pisum sativum L.)Lathyrus oleraceust0
- Interactor
- Lantana CamaraLantana camarat0weedt1
- Outcome
- radical and plumule developmente0
- Direction
- much pronouncede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inhibitory effect was much pronounced in radical and plumule development”
t0“Lantana Camara on Germination and Seedling Growth Behavior of Garden Pea (Pisum sativum L.)”
t1“weed”
Claim · model-written summary
The authors advise against using lantana as mulch.
- Taxon
- garden pea (Pisum sativum L.)Lathyrus oleraceust0
- Interactor
- Lantana CamaraLantana camarat0weedt1
- Outcome
- lantana cannot be used as a mulching materiale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“lantana cannot be used as a mulching material”
t0“Lantana Camara on Germination and Seedling Growth Behavior of Garden Pea (Pisum sativum L.)”
t1“weed”
The same questions in other papers
botanical · Lantana camara · Lathyrus oleraceus (pea)Results agree
1 paper in the same direction as this paper
- negative
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.