Non-destructive measurement of leaf area and dry biomass in Tectona grandis

Tondjo, Kodjo; Brancheriau, Loïc; Sabatier, Sylvie-Annabel; Kokutsè, Adzo Dzifa; Akossou, Arcadius Yves Justin; Kokou, Kouami; Fourcaud, Thierry

doi:10.1007/s00468-015-1227-y

Cited by 29 publications

(31 citation statements)

References 22 publications

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“…We found that a power law model described the relation between Coffea leaf mass and the product of its length by width. The same model has been found for Tectona grandis (Tondjo et al 2015). As the measured leaves in this study were sampled at several node ranks of the leafy axis, and the leaves therefore had different ages, the observed trend might be explained by an increase in leaf thickness with leaf age (Niinemets 2001).…”

Section: Discussionsupporting

confidence: 68%

“…We described an estimation of leaf area from simple non-destructive measurements in three Coffea species with a linear regression including the product of leaf length by width. As in teak, this linear relation resulted from leaf expansion due to intercalary meristem activity (Bell 1991;Tondjo et al 2015). The equations were similar between the axis categories of one species and between species.…”

Section: Discussionmentioning

confidence: 94%

“…Such an analysis was developed by Antunes et al (2008) to estimate leaf area from the product of leaf length by leaf width in several genotypes of C. arabica or of C. canephora. Linear models have been investigated for several species of trees (Leroy et al 2007;Tondjo et al 2015) and for C. canephora (Schmildt et al 2015). Indeed, some studies focused on indirect measurements of leaf area while few studies exist on estimations of leaf dry mass from leaf dimensions.…”

Section: Introductionmentioning

confidence: 99%

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Estimation of stem and leaf dry biomass using a non-destructive method applied to African Coffea species

et al. 2016

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The coffee tree is an important economic plant for several developing countries. Stem and leaf dry biomass, which are key traits of plant production, are used in functional-structural plant models to simulate plant growth and predict yield. These values are difficult to obtain since they classically rely on time-consuming protocols and require destructive measurements. Measuring stem and leaf dimensions (length and width) to estimate them provides a nondestructive and rapid approach for use in the field. In this study we sought the best allometric relationships existing between stem and leaf dimensions and their corresponding dry mass in order to avoid destructive measurements which are also time-consuming. This was investigated in three coffee species: Coffea canephora, Coffea liberica var. liberica and Coffea liberica var. dewevrei in Ivory Coast. For each species, the internodes and leaves of three axis categories (stem, branch and branchlet) comprising the main compartments were sampled. Two different equations were found to estimate the stem and leaf dry mass whatever the species and the axis categories: (1) a linear equation for the relation between the stem volume (V) and its corresponding dry mass (IWe), IWe = 0.70 9 V and (2) a power law for the relation between the leaf area [as the product of length (LL) and width (Wi)] and its dry mass (LWe), LWe = 0.007 (LL 9 LWi) 1.02. Finally, stem and leaf dry mass could be easily obtained without destructive measurements. This method could be applied to estimate the plant total leaf area and the total stem and leaf biomass of a plant in an agroforestry system.

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Section: Discussionsupporting

confidence: 68%

Section: Discussionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

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Estimation of stem and leaf dry biomass using a non-destructive method applied to African Coffea species

et al. 2016

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“…Thus, sandy soil was considered as a rather infertile environment, especially for N. In addition, P sat , gs, and chlorophyll concentrations were also lower from April 2014 (Figures 6 and 8). The photosynthetic rate and chlorophyll concentration show positive correlations with the concentration of N [19,[43][44][45]66], and these decreases were related to decreased N in leaves. In terms of stomatal conductance, a leaf suffering from N deficiency can readily suffer from a decrease in leaf water potential [67].…”

Section: Discussionmentioning

confidence: 99%

“…We also measured length and width for all leaves of the teak seedlings. The leaf area of teak seedling was calculated from the equation of Tondjo et al [43], as follows:…”

Section: Measurement Of Teak Seedlingsmentioning

confidence: 99%

Effects of Bentonite, Charcoal and Corncob for Soil Improvement and Growth Characteristics of Teak Seedling Planted on Acrisols in Northeast Thailand

Kayama

Nimpila

Hongthong

et al. 2016

Forests

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Abstract:When teak (Tectona grandis L. f.) is planted on acrisols in Northeast Thailand, its growth is suppressed by low pH, infertility, and low water holding capacity. To examine materials capable of increasing water holding capacity in soil and improving teak growth, we conducted an experiment with teak seedlings. We selected bentonite, charcoal, and corncob and added these materials at a rate of 4% to sandy soil from northeast Thailand. Teak seedlings were potted on these soils and raised from July 2013 to July 2014. We compared growth, photosynthetic rates, leaf water potential, and concentrations of elements in plant organs among bentonite, charcoal, corncob, and no addition (control) treatments. Water content in the soils was increased for the bentonite and charcoal treatments. Teak seedlings potted in these two conditions did not suffer from drought stress. Comparing the growth traits of the teak seedlings, the charcoal treatment produced larger root growth and promoted the uptake of phosphorus and potassium, whereas the bentonite treatment did not show positive effects on growth or nutrient acquisition. In contrast, the corncob treatment decreased water content in the soil, and teak seedling growth was suppressed. We concluded that charcoal was a useful material to improve teak growth in sandy soils.

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Allometric models for leaf area and leaf mass predictions across different growing seasons of elm tree (Ulmus japonica)

Cai

Jin

2017

J. For. Res.

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Non-destructive measurement of leaf area and dry biomass in Tectona grandis

Cited by 29 publications

References 22 publications

Estimation of stem and leaf dry biomass using a non-destructive method applied to African Coffea species

Estimation of stem and leaf dry biomass using a non-destructive method applied to African Coffea species

Effects of Bentonite, Charcoal and Corncob for Soil Improvement and Growth Characteristics of Teak Seedling Planted on Acrisols in Northeast Thailand

Allometric models for leaf area and leaf mass predictions across different growing seasons of elm tree (Ulmus japonica)

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