2018
DOI: 10.1080/1343943x.2018.1530943
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Application of infrared thermography to assess cassava physiology under water deficit condition

Abstract: Water deficit stress is a major factor that inhibits the overall growth and development in cassava (Manihot esculenta), leading to decreased storage root yield. We conducted a study to investigate whether thermal sensing could be used to indicate water deficit stress and the health and yield of cassava crops in field. The objective of the study was to use thermal imaging to determine relationship between crop water stress index (CWSI) and physiological changes, and to identify the critical CWSI point in fields… Show more

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Cited by 23 publications
(16 citation statements)
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“…Currently, some of the biggest limitations to improving parameters such as V c,max , J max , and TPU through conventional breeding are the time and financial costs associated with measuring photosynthesis, which restricts throughput. However, the performance of photosynthetic traits is beginning to be characterized at larger scales by utilizing chlorophyll fluorescence and hyperspectral reflectance to understand biochemical limitations and nonphotochemical quenching, as well as thermal imaging to understand plant‐water relations (Flood et al, 2016; McAusland et al, 2013, 2019; Meacham‐Henshold et al, 2019; Pipatsitee et al, 2018; Silva‐Perez et al, 2018). These techniques would allow for the screening of hundreds of genotypes in a matter of days.…”
Section: Discussionmentioning
confidence: 99%
“…Currently, some of the biggest limitations to improving parameters such as V c,max , J max , and TPU through conventional breeding are the time and financial costs associated with measuring photosynthesis, which restricts throughput. However, the performance of photosynthetic traits is beginning to be characterized at larger scales by utilizing chlorophyll fluorescence and hyperspectral reflectance to understand biochemical limitations and nonphotochemical quenching, as well as thermal imaging to understand plant‐water relations (Flood et al, 2016; McAusland et al, 2013, 2019; Meacham‐Henshold et al, 2019; Pipatsitee et al, 2018; Silva‐Perez et al, 2018). These techniques would allow for the screening of hundreds of genotypes in a matter of days.…”
Section: Discussionmentioning
confidence: 99%
“…Chen et al [5] used data from UAV-borne multispectral and thermal cameras to evaluate cotton canopy water stress. Infrared thermography has been used to diagnose crop water deficit and drought conditions [6][7][8].…”
Section: Introductionmentioning
confidence: 99%
“…Posteriormente, foi observado aumento na taxa fotossintética da mandioca em áreas sob regime de sequeiro, isso ocorreu porque a partir do segundo decêndio de fevereiro de 2020 passou a chover com maior frequência na região, conforme pôde ser observado na Figura 2a, e isso reduziu o déficit hídrico nessas áreas, o que deixa claro que o status hídrico da planta influencia diretamente em sua capacidade fotossintética. Esse comportamento é ratificado por outros pesquisadores em estudos sob condições de déficit hídrico e irrigação plena no cultivo da mandioca (CIAT 1989, PIPATSITEE et al 2018, esses pesquisadores enfatizam que sob estresse hídrico, a abertura estomática da mandioca é o mecanismo mais afetado. Isso interfere na concentração intercelular de CO2 na planta e prejudica a capacidade fotossintética da planta.…”
Section: Resultsunclassified
“…Isso provavelmente ocorreu devido a maior ocorrência de chuvas a partir do segundo decêndio de fevereiro de 2020, quando choveu 67 mm e fez com que plantas em áreas de sequeiro aumentassem sua massa foliar de forma acentuada e atingissem o mesmo patamar das outras áreas com irrigação. Os dados obtidos nessa pesquisa são ratificados por PIPATSITEE et al (2018), esses pesquisadores afirmam que a produtividade de folhas da mandioca é reduzida sob condições de déficit hídrico, isso gera impacto negativo na taxa fotossintética da planta e, consequentemente, compromete a produtividade.…”
Section: Resultsunclassified
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