Paper · 2010 · Global Journal of Agricultural Sciences

Field infestation of three maize (Zea mays l.) genotypes by lepidopterous stem borers in Makurdi, Nigeria

S.I Okweche; D.A Ukeh; E.O Ogunwolu

4
claims
8
verbatim quotes
7
citations
2
research areas
✓
Open access · cc-by

Abstract

Two field experiments were conducted in July and August 2004 to determine the effect of date of planting and rate of application of carbofuran (Furadan 3G) on damage by stem borers to flint, sweet and pop maize (Zea mays L)genotypes. Each experiment was laid out in a randomized complete block design (RCBD), with a spilt plot arrangement of treatment, replicated four times. Results from July 2004 cropping season showed significant interactions of maize genotypes and rate of application of carbofuran in percentage bored stem and number of borer cavity. However, borer population density and damage were effectively reduced by carbofuran application at the rate of 1.5 Kg a. i/ha. In August planting, the results showed that borer infestation was approximately five times higher in the control plots than treated plots. Carbofuran at the rate of 1.5 Kg ai/ha could be used to control stem borer population effectively in all the three genotypes, to obtain higher grain yield.KEY WORDS: Stem Borers, Damage, Zea mays, Planting Date, Carbofuran.

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Claims 4

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Maize genotype and carbofuran rate interacted significantly for bored stems and borer cavities.

Taxon
maizeZea mayst0
Material
maize genotypese0
Treatment
rate of application of carbofurane0
Outcome
percentage bored stem and number of borer cavitye0

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

e0

“Results from July 2004 cropping season showed significant interactions of maize genotypes and rate of application of carbofuran in percentage bored stem and number of borer cavity”

✓ located verbatim in the source · abstract, characters 376–555 · show in text ↑
t0

“maize (Zea mays l.)”

✓ located verbatim in the source · title, characters 27–46 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Carbofuran at 1.5 Kg active ingredient per hectare reduced borer population density and damage.

Taxon
maizeZea mayst0
Treatment
carbofuran application at the rate of 1.5 Kg a. i/hae0
Interactor
borere0pest
Outcome
borer population density and damagee0
Direction
reducede0

Not reportedComparator

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

e0

“borer population density and damage were effectively reduced by carbofuran application at the rate of 1.5 Kg a. i/ha”

✓ located verbatim in the source · abstract, characters 566–682 · show in text ↑
t0

“maize (Zea mays l.)”

✓ located verbatim in the source · title, characters 27–46 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

August borer infestation was about fivefold higher in control than treated plots.

Taxon
maizeZea mayst0
Treatment
treated plotse0
Interactor
borere0pest
Outcome
borer infestatione0
Direction
highere0
Value
approximately five timese0
Comparator
control plotse0

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

e0

“In August planting, the results showed that borer infestation was approximately five times higher in the control plots than treated plots”

✓ located verbatim in the source · abstract, characters 684–821 · show in text ↑
t0

“maize (Zea mays l.)”

✓ located verbatim in the source · title, characters 27–46 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Authors recommend carbofuran at 1.5 Kg ai/ha to control borers and raise grain yield in all three genotypes.

Taxon
maizeZea mayst0
Treatment
Carbofuran at the rate of 1.5 Kg ai/hae0
Interactor
stem borere0pest
Outcome
control stem borer population effectively in all the three genotypes, to obtain higher grain yielde0

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

e0

“Carbofuran at the rate of 1.5 Kg ai/ha could be used to control stem borer population effectively in all the three genotypes, to obtain higher grain yield”

✓ located verbatim in the source · abstract, characters 823–977 · show in text ↑
t0

“maize (Zea mays l.)”

✓ located verbatim in the source · title, characters 27–46 · show in text ↑

carbofuran · pest · Zea mays (maize)Positive and negative results

14 papers: 13 positive, 1 negative or no effect

12 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive

10 papers more in this group

See all 14 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.