2015
DOI: 10.13189/ujar.2015.030302
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The Research of Disease Detection Method of Greenhouse Cucumber Leaf Based on Chlorophyll Fluorescence Analysis

Abstract: Currently, the plant physiological information detection technology and diagnostic systems has gradually become a hot topic in the research of facilities crop disease warning. By collecting the relevant data of changes in growth conditions of cucumber by Junior-PAM of CI-340 portable photosynthesis system, the experiment studied the correlation between leaf chlorophyll content and Photosynthetic rate, nutritional status and we like to search for the relationship between the changes in disease infection and chl… Show more

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Cited by 3 publications
(8 citation statements)
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“…Based on a study by Goh et al (2016), the chlorophyll content in Ganoderma-infected oil palm seedlings declined as the infection progress or during the pathogenesis of Ganoderma. Chang et al (2015) also reported similar findings, where the chlorophyll content reduced as the disease progressed in different stages of cucumber growth.…”
Section: Introductionsupporting
confidence: 60%
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“…Based on a study by Goh et al (2016), the chlorophyll content in Ganoderma-infected oil palm seedlings declined as the infection progress or during the pathogenesis of Ganoderma. Chang et al (2015) also reported similar findings, where the chlorophyll content reduced as the disease progressed in different stages of cucumber growth.…”
Section: Introductionsupporting
confidence: 60%
“…Goh et al (2016) reported that the SPAD chlorophyll values decline as the disease progress or during pathogenesis of Ganoderma in the oil palm seedlings. Similarly, Chang et al (2015) also reported that increasing disease in different stages of plant growth caused reduction in the SPAD chlorophyll value. Significant reduction in the chlorophyll content could be related to the injury in the oil palm seedling's root and vascular system caused by the fungus infection (Shafri et al, 2011;Goh et al, 2016), which possibly caused reduction in nutrient adsorption, especially nitrogen (N) and magnesium (Mg).…”
Section: Resultsmentioning
confidence: 85%
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“…There are several alternatives to evaluate the establishment and development of a disease, such as estimating the chlorophyll content in the leaf (Uddling et al, 2007). Such estimation could provide a better alternative to evaluate disease severity in a plant (Chang et al, 2015) and be a good indicator for the degree of disease or infection and changes during pathogenesis (Rakib et al, 2019). The chlorophyll content in Ganoderma-infected oil palm seedlings declines as the infection progresses (Goh et al, 2016).…”
Section: Chlorophyllmentioning
confidence: 99%