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Application of Near-Infrared Reflectance Spectroscopy for Predicting Damage Severity in a Diverse Panel of ITectona grandis/I Caused by ICeratocystis fimbriata/I

Plants (Basel), 2023-07, Vol.12 (14) [Peer Reviewed Journal]

COPYRIGHT 2023 MDPI AG ;ISSN: 2223-7747 ;EISSN: 2223-7747 ;DOI: 10.3390/plants12142734

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  • Title:
    Application of Near-Infrared Reflectance Spectroscopy for Predicting Damage Severity in a Diverse Panel of ITectona grandis/I Caused by ICeratocystis fimbriata/I
  • Author: Anjos, Isabela Vera dos ; Ali, Mohsin ; Mora-Poblete, Freddy ; Araujo, Kelly Lana ; Gilio, Thiago Alexandre Santana ; Neves, Leonarda Grillo
  • Subjects: Reforestation
  • Is Part Of: Plants (Basel), 2023-07, Vol.12 (14)
  • Description: Tectona grandis Linn., also known as teak, is a highly valued species with adaptability to a wide range of climatic conditions and high tolerance to soil variations, making it an attractive option for both commercial and conservation purposes. In this sense, the classification of cultivated teak genotypes is crucial for both breeding programs and conservation efforts. This study examined the relationship between traits related to damage in the stem of teak plants caused by Ceratocystis fimbriata (a soil-borne pathogen that negatively impacts the productivity of teak plantations) and the spectral reflectance of 110 diverse clones, using near-infrared spectroscopy (NIRS) data and partial least squares regression (PLSR) analysis. Cross-validation models had R[sup.2] = 0.894 (ratio of standard error of prediction to standard deviation: RPD = 3.1), R[sup.2] = 0.883 (RPD = 2.7), and R[sup.2] = 0.893 (RPD = 2.8) for predicting stem lesion area, lesion length, and severity of infection, respectively. Teak genotypes (clones) can benefit from the creation of a calibration model utilizing NIRS-generated data paired with PLSR, which can effectively screen the magnitude of damage caused by the fungus. Overall, while the study provides valuable information for teak breeding and conservation efforts, a long-term perspective would be essential to evaluate the sustainability of teak genotypes over various growth stages and under continuous pathogen pressure.
  • Publisher: MDPI AG
  • Language: English
  • Identifier: ISSN: 2223-7747
    EISSN: 2223-7747
    DOI: 10.3390/plants12142734
  • Source: PubMed Central
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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