Paper · 2023 · Asian Journal of Agriculture

Allelopathic effect of Lantana camara aqueous leaf extract on the seedling germination of Zea mays (maize)

DANIELLE JOY P. MISTICA; NEIL JULIUS S. MAGSINO; ZACHARIAH C. TANJUSAY; et al.

4
claims
10
verbatim quotes
4
citations
1
research areas
✓
Open access

Abstract

Abstract. Mistica DJP, Magsino NJS, Tanjusay ZC, Paclibar GCB. 2023. Allelopathic effect of Lantana camara aqueous leaf extract on the seedling germination of Zea mays (maize). Asian J Agric 7: 83-87. Lantana camara L. is an invasive weed rampant in the Philippines and threatens agricultural crops. This study was conducted to evaluate the growth inhibitory effects of L. camara aqueous leaf extract in seedling germination of Zea mays L. Different concentration levels (25%, 50%, 75%, and 100%) of the L. camara leaf extracts as compared to the control were administered to the hypochlorite-treated seeds for two weeks. Results showed a significant difference among the treatments in the number of germinated seeds and main shoot and primary root elongation using ANOVA. Furthermore, the t-test revealed that the presence and absence of the aqueous leaf extract in seed germination are significantly different, showing significant inhibitory effects in the number of germinated seeds and the length of the shoot and root when the aqueous leaf extract was present. Moreover, in vitro assay also indicated that the concentration of the aqueous leaf extract is directly proportional to the growth inhibitory effects on seed germination and root and shoot elongation. Therefore, it is recommended to test the allelopathic effect of L. camara aqueous leaf extract in other agricultural crops and its effect on the soil and crop nutrition.

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Claims 4

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Lantana camara leaf extract concentrations differed significantly in their effect on germinated seeds and shoot and root elongation of maize.

Taxon
Zea maysZea mayst0
Treatment
Different concentration levels (25%, 50%, 75%, and 100%)e0
Outcome
number of germinated seeds and main shoot and primary root elongatione1
Comparator
controle0

Not reportedDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Allelopathic effect of Lantana camara aqueous leaf extract on the seedling germination of Zea mays (maize)”

✓ located verbatim in the source · title, characters 0–106 · show in text ↑
e0

“Different concentration levels (25%, 50%, 75%, and 100%) of the L. camara leaf extracts as compared to the control were administered to the hypochlorite-treated seeds for two weeks”

✓ located verbatim in the source · abstract, characters 440–620 · show in text ↑
e1

“Results showed a significant difference among the treatments in the number of germinated seeds and main shoot and primary root elongation using ANOVA”

✓ located verbatim in the source · abstract, characters 622–771 · show in text ↑
Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Presence of aqueous Lantana camara leaf extract significantly inhibited the number of germinated maize seeds and shoot and root length.

Taxon
Zea maysZea mayst0
Treatment
aqueous leaf extracte2
Interactor
Lantana camaraLantana camarat0weede5
Outcome
number of germinated seeds and the length of the shoot and roote2
Direction
inhibitorye2
Comparator
absence of the aqueous leaf extracte2

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗
Lantana camara
Lantana camara · InteractorW. Bulach · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Allelopathic effect of Lantana camara aqueous leaf extract on the seedling germination of Zea mays (maize)”

✓ located verbatim in the source · title, characters 0–106 · show in text ↑
e2

“the t-test revealed that the presence and absence of the aqueous leaf extract in seed germination are significantly different, showing significant inhibitory effects in the number of germinated seeds and the length of the shoot and root when the aqueous leaf extract was present”

✓ located verbatim in the source · abstract, characters 786–1064 · show in text ↑
e5

“Lantana camara L. is an invasive weed rampant in the Philippines and threatens agricultural crops”

✓ located verbatim in the source · abstract, characters 201–298 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Growth inhibition of seed germination and of root and shoot elongation was directly proportional to the extract concentration in vitro.

Taxon
Zea maysZea mayst0
Treatment
concentration of the aqueous leaf extracte3
Outcome
growth inhibitory effects on seed germination and root and shoot elongatione3
Direction
directly proportionale3
Setting
in vitroe3

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

t0

“Allelopathic effect of Lantana camara aqueous leaf extract on the seedling germination of Zea mays (maize)”

✓ located verbatim in the source · title, characters 0–106 · show in text ↑
e3

“in vitro assay also indicated that the concentration of the aqueous leaf extract is directly proportional to the growth inhibitory effects on seed germination and root and shoot elongation”

✓ located verbatim in the source · abstract, characters 1076–1264 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The allelopathic effect of L. camara aqueous leaf extract should be tested in other agricultural crops.

Taxon
other agricultural cropse4
Interactor
L. camaraLantana camarae4weede5
Outcome
allelopathic effect of L. camara aqueous leaf extracte4

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Lantana camara
Lantana camara · InteractorW. Bulach · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e4

“it is recommended to test the allelopathic effect of L. camara aqueous leaf extract in other agricultural crops and its effect on the soil and crop nutrition”

✓ located verbatim in the source · abstract, characters 1277–1434 · show in text ↑
e5

“Lantana camara L. is an invasive weed rampant in the Philippines and threatens agricultural crops”

✓ located verbatim in the source · abstract, characters 201–298 · show in text ↑

botanical · Lantana camara · Zea mays (maize)Results agree

2 papers: 0 positive, 2 negative or no effect

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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.