Evidence map›Paper›PMID 29434226›Full record

ArticleScientific reports2018

Detection of multi-tomato leaf diseases (late blight, target and bacterial spots) in different stages by using a spectral-based sensor.

Jinzhu Lu, Reza Ehsani, Yeyin Shi, Ana Isabel de Castro, Shuang Wang

Abstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed.

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  13. CRISPR/Cas9-Based Knock-Out of theInternational journal of molecular sciences · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Jinzhu LuSchool of Mechanical Engineering, Xihua University, 999 Jinzhou Road, Chengdu, Sichuan, 610000, China. lujingzhu1103@163.com.
Reza EhsaniMechanical Engineering Department, University of California-Merced, 5200 N. Lake Road, Merced, CA, 95343, U.S.A.
Yeyin ShiDepartment of Biological Systems Engineering, University of Nebraska-Lincoln, 3605 Fair Street, Lincoln, NE, 68583, United States.
Ana Isabel de CastroDepartment of Crop Protection, Institute for Sustainable Agriculture (IAS-CSIC), Cordoba, Spain.
Shuang WangSchool of Mechanical Engineering, Xihua University, 999 Jinzhou Road, Chengdu, Sichuan, 610000, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Several diseases have threatened tomato production in Florida, resulting in large losses, especially in fresh markets. In this study, a high-resolution portable spectral sensor was used to investigate the feasibility of detecting multi-diseased tomato leaves in different stages, including early or asymptomatic stages. One healthy leaf and three diseased tomato leaves (late blight, target and bacterial spots) were defined into four stages (healthy, asymptomatic, early stage and late stage) and collected from a field. Fifty-seven spectral vegetation indices (SVIs) were calculated in accordance with methods published in previous studies and established in this study. Principal component analysis was conducted to evaluate SVIs. Results revealed six principal components (PCs) whose eigenvalues were greater than 1. SVIs with weight coefficients ranking from 1 to 30 in each selected PC were applied to a K-nearest neighbour for classification. Amongst the examined leaves, the healthy ones had the highest accuracy (100%) and the lowest error rate (0) because of their uniform tissues. Late stage leaves could be distinguished more easily than the two other disease categories caused by similar symptoms on the multi-diseased leaves. Further work may incorporate the proposed technique into an image system that can be operated to monitor multi-diseased tomato plants in fields.

Indexed as

Plant DiseasesPlant LeavesPrincipal Component AnalysisSolanum lycopersicumSpectrum Analysis

Identifiers

PMID29434226
PMCPMC5809472

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.