|Table of Contents|

Spectral Characteristics of Tetranychus truncates Ehara of the Jujube-cut Leafhopper and Inversion of Pest Grade

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年08
Page:
32-37
Research Field:
Publishing date:

Info

Title:
Spectral Characteristics of Tetranychus truncates Ehara of the Jujube-cut Leafhopper and Inversion of Pest Grade
Author(s):
LIAN LingWANG ZhenxiGAO YaliSHI YuxiaYANG Yongqiang
(College of Forestry and Horticulture,Xinjiang Agricultural University/Key Laboratory of Forestry Ecology and Industrial Technology in the Arid Area of Xinjiang Education Department,Urumqi,Xinjiang 830052)
Keywords:
Tetranychus truncates Eharapest gradehyperspectralinversion modeljujube
PACS:
-
DOI:
10.11937/bfyy.20193326
Abstract:
Using the method of correlation analysis and linear regression modeling,the method of constructing the inversion model of insect pest grade was studied by using the high spectrum of the coronal layer under the hazard of truncated leaf mite,with a view to providing the idea of realizing the rapid,accurate and large area monitoring of truncated leaf mite by remote sensing in large scale.The results showed that with the increase of pest level,the canopy reflectivity decreased gradually,and there was a phenomenon of red shift in the red edge position.A univariate linear inversion model of pest level was established with the sensitive band 896 nm as the independent variable,and R2 was fitted 0.536,the predicted R2 was 0.716,and the root mean square error was 0.081,which indicated that the sensitive band could achieve the effect on the pest level prediction.

References:

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Last Update: 2020-07-06