Paper · 2023 · Journal of Environmental Science and Management

Recovery of Coconut Trees from Scale Insect Infestation with Salt and Trichoderma Microbial Inoculant (TMI)

Virginia Cuevas; Merdelyn Caasi-Lit; Ireneo Lit Jr.; et al.

5
claims
15
verbatim quotes
2
citations
3
research areas
✓
Open access

Abstract

This study showed the role of Trichoderma Microbial Inoculant (TMI) and salt in the fast recovery of mature coconut trees damaged by coconut scale insect, Aspidiotus rigidus Reyne, and in the growth of coconut seedlings. Four treatments with three replicates were laid out in a randomized complete block design. Treatments made were: T0 with 0 fertilizer, 0 TMI; T1 with full dose N, P, K fertilizers, NaCl, 0 TMI; T2 with ½ dose fertilizers + NaCl, + TMI; and T3 with NaCl + TMI. Fertilizers and salt were split delivered in T1. Ten 1-m tall coconut seedlings (Laguna Tall Variety) per replicate treatment were interspersed with the mature trees in each block. About 25 g TMI per tree and 15 g TMI per seedling were applied together with fertilizers. Numbers of green, yellow, and brown leaves, inflorescences, and fruits produced per mature tree were monitored for 27 months. New and mature green leaves were counted as measure of coconut seedling growth. Mature trees in T3 had significantly higher number of green leaves and fruits compared to other treatments. T3 seedlings had significantly higher number of mature green leaves than those of other treatments. Both mature trees and seedlings in T3 exhibited the fastest growth. These results highlighted the importance of salt and TMI for productivity of coconut trees and seedlings.

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Claims 5

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T3 mature trees had significantly more green leaves than other treatments.

Taxon
Coconut Treest0
Treatment
NaCl + TMIe1
Outcome
number of green leavese0
Direction
highere0
Comparator
other treatmentse0

Not reportedInteractor

Verbatim

e0

“Mature trees in T3 had significantly higher number of green leaves and fruits compared to other treatments”

✓ located verbatim in the source · abstract, characters 958–1064 · show in text ↑
e1

“T3 with NaCl + TMI”

✓ located verbatim in the source · abstract, characters 461–479 · show in text ↑
t0

“Coconut Trees”

✓ located verbatim in the source · title, characters 12–25 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T3 mature trees had significantly more fruit than other treatments.

Taxon
Coconut Treest0
Treatment
NaCl + TMIe1
Outcome
fruitse0
Direction
highere0
Comparator
other treatmentse0

Verbatim

e0

“Mature trees in T3 had significantly higher number of green leaves and fruits compared to other treatments”

✓ located verbatim in the source · abstract, characters 958–1064 · show in text ↑
e1

“T3 with NaCl + TMI”

✓ located verbatim in the source · abstract, characters 461–479 · show in text ↑
t0

“Coconut Trees”

✓ located verbatim in the source · title, characters 12–25 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

T3 seedlings had significantly more mature green leaves than other treatments.

Taxon
Coconut Treest0
Organ / stage
seedlingse0
Treatment
NaCl + TMIe1
Outcome
number of mature green leavese0
Direction
highere0
Comparator
other treatmentse0

Verbatim

e0

“T3 seedlings had significantly higher number of mature green leaves than those of other treatments”

✓ located verbatim in the source · abstract, characters 1066–1164 · show in text ↑
e1

“T3 with NaCl + TMI”

✓ located verbatim in the source · abstract, characters 461–479 · show in text ↑
t0

“Coconut Trees”

✓ located verbatim in the source · title, characters 12–25 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

T3 mature trees grew fastest.

Taxon
Coconut Treest0
Organ / stage
mature treese0
Treatment
NaCl + TMIe1
Outcome
growthe0
Direction
fasteste0

Not reportedComparator

Verbatim

e0

“Both mature trees and seedlings in T3 exhibited the fastest growth”

✓ located verbatim in the source · abstract, characters 1166–1232 · show in text ↑
e1

“T3 with NaCl + TMI”

✓ located verbatim in the source · abstract, characters 461–479 · show in text ↑
t0

“Coconut Trees”

✓ located verbatim in the source · title, characters 12–25 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

T3 seedlings grew fastest.

Taxon
Coconut Treest0
Organ / stage
seedlingse0
Treatment
NaCl + TMIe1
Outcome
growthe0
Direction
fasteste0

Not reportedComparator

Verbatim

e0

“Both mature trees and seedlings in T3 exhibited the fastest growth”

✓ located verbatim in the source · abstract, characters 1166–1232 · show in text ↑
e1

“T3 with NaCl + TMI”

✓ located verbatim in the source · abstract, characters 461–479 · show in text ↑
t0

“Coconut Trees”

✓ located verbatim in the source · title, characters 12–25 · show in text ↑

Trichoderma · growth · Cocos nucifera (coconut palm)Results agree

2 papers: 2 positive, 0 negative or no effect

1 paper in the same direction as this paper

  1. positive
See all 2 papers →

inoculation · growth · Cocos nucifera (coconut palm)Positive and negative results

4 papers: 3 positive, 1 negative or no effect

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

  1. no effect
  2. positive
  3. positive
See all 4 papers →

inoculation · yield · Cocos nucifera (coconut palm)Results agree

3 papers: 3 positive, 0 negative or no effect

2 papers in the same direction as this paper

  1. positive
  2. positive
See all 3 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.