Paper · 2005 · Forestry Science and Technology

Study on Control Index of Dendrolimus houi

Zhang Jia-sheng

3
claims
8
verbatim quotes
0
citations
3
research areas
—
Not open access

Abstract

By artificial imiataion of pine needle picking,and really harm of larva putting,on the basis of artificial imitation of pine needle picking,we-found the relationship between the volume of pine needle losing and height,chest height diameter and volume growth of pine tree.By F,q-test,we set the regression linear equation of chest height diameter(X) and pine needle volume(Y)as Ye= 2 987.91 X-11 245.7,with input-output analysis method and economic threshold method,we set the control index of first control index of wirter generation as Y=5.0722X-19.09.

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Claims 3

Associationobservedoriginal resultmeasured

Claim · model-written summary

Pine needle loss related to height, chest height diameter and tree volume growth.

Taxon
pine treePinuse0
Organ / stage
pine needlee0
Interactor
Dendrolimus houiDendrolimus houit0peste0
Outcome
height,chest height diameter and volume growthe0

Not reportedDirection

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

Pinus
Pinus · Taxon · picture of the genus (one of its species)Forest Service Northern Region from Missoula, MT, USA · Public domain · Wikimedia Commons ↗
Dendrolimus houi
Dendrolimus houi · InteractorCheryl Stinchcomb · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“the relationship between the volume of pine needle losing and height,chest height diameter and volume growth of pine tree”

✓ located verbatim in the source · abstract, characters 149–270 · show in text ↑
t0

“Dendrolimus houi”

✓ located verbatim in the source · title, characters 26–42 · show in text ↑
Method / resourceobservedoriginal resultsimulated

Claim · model-written summary

The estimated relation of chest height diameter to pine needle volume was Ye= 2 987.91 X-11 245.7.

Taxon
pine treePinuse1
Interactor
Dendrolimus houiDendrolimus houit0peste0
Outcome
pine needle volumee0
Value
Ye= 2 987.91 X-11 245.7e0
Comparator
chest height diameter(X)e0

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

Pinus
Pinus · Taxon · picture of the genus (one of its species)Forest Service Northern Region from Missoula, MT, USA · Public domain · Wikimedia Commons ↗
Dendrolimus houi
Dendrolimus houi · InteractorCheryl Stinchcomb · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“we set the regression linear equation of chest height diameter(X) and pine needle volume(Y)as Ye= 2 987.91 X-11 245.7”

✓ located verbatim in the source · abstract, characters 283–400 · show in text ↑
t0

“Dendrolimus houi”

✓ located verbatim in the source · title, characters 26–42 · show in text ↑
e1

“pine tree”

✓ located verbatim in the source · abstract, characters 261–270 · show in text ↑
Method / resourceobservedoriginal resultsimulated

Claim · model-written summary

The winter generation control index was Y=5.0722X-19.09.

Taxon
pine treePinuse1
Interactor
Dendrolimus houiDendrolimus houit0peste0
Outcome
control index of first control index of wirter generatione0
Value
Y=5.0722X-19.09e0

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

Pinus
Pinus · Taxon · picture of the genus (one of its species)Forest Service Northern Region from Missoula, MT, USA · Public domain · Wikimedia Commons ↗
Dendrolimus houi
Dendrolimus houi · InteractorCheryl Stinchcomb · CC BY 4.0 · iNaturalist ↗

Verbatim

e0

“we set the control index of first control index of wirter generation as Y=5.0722X-19.09.”

✓ located verbatim in the source · abstract, characters 465–553 · show in text ↑
t0

“Dendrolimus houi”

✓ located verbatim in the source · title, characters 26–42 · show in text ↑
e1

“pine tree”

✓ located verbatim in the source · abstract, characters 261–270 · show in text ↑