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EFFECTS OF ELEVATED CARBON DIOXIDE ON ESTIMATION OF LEAF AREA AND LEAF DRY WEIGHT OF SOYBEAN

American Journal of Botany, 1988
The objectives of this study were to determine the effects of elevated CO2 on relationships between leaf area (A) and linear leaf dimensions (length [L] and width [W]) and leaf dry weight (M) in soybeans (Glycine max (L.) Merr. cv. Bragg). Based on dimensional measurements made on trifoliolates 1–6 for plants grown under three CO2 levels (348, 502 and ...
James F Reynolds
exaly   +4 more sources

Grapevine Leaf Development in Relationship to Potassium Concentration and Leaf Dry Weight and Density

American Journal of Botany, 1984
The plastochron index (PI) was developed for Vitis and related to lamina K + concentration. The concentration of lamina K + declined with increase in leaf age and PI, whereas total lamina K +
Brian M. Freeman, W. Mark Kliewer
exaly   +2 more sources

Estimation of individual leaf area, fresh weight, and dry weight of hydroponically grown cucumbers (Cucumis sativus L.) using leaf length, width, and SPAD value

Scientia Horticulturae, 2007
Abstract Non-destructive and mathematical approaches of modeling can be very convenient and useful for plant growth estimation. To predict individual leaf area, fresh weight, and dry weight of a cucumber ( Cucumis sativus L.), models were developed using leaf length, leaf width, SPAD value, and different combinations of these variables.
Jung Eek Son
exaly   +2 more sources

Leaf non-structural carbohydrates and leaf dry weight per area in three altitudinal populations ofEspeletia schultzii WEDD

Folia Geobotanica Et Phytotaxonomica, 1997
The leaf non-structural carbohydrate (NSC) content and total non-structural carbohydrate content (TNC) were measured on a dry weight basis and on a leaf area basis in three altitudinal (3100, 3550 and 4200 m a.s.l.) populations ofE. schultzii. The values of leaf dry weight per area (LWA) increase with altitude.
Marisol Castrillo, Milton Simoes
exaly   +2 more sources

Relationships between Percentage Defoliation, Dry Weight, Percentage Reflectance, Leaf‐to‐Stem Ratio, and Green Leaf Area Index in the Alfalfa Leaf Spot Pathosystem

Crop Science, 2002
Remote sensing may provide a more precise method to estimate the impacts of foliar pathogens on alfalfa (Medicago sativa L.) yield, green leaf area index (GLAI), and leaf‐to‐stem ratio compared with the traditional visual estimation methods such as percentage defoliation.
Jie Guan, Forrest W. Nutter
exaly   +2 more sources

Estimating Leaf Area Per Plant in Bambara Groundnut (<I>Vigna subterranean</I>) Using Leaf Number and Leaf Dry Weight

open access: yesUNISWA Research Journal of Agriculture, Science and Technology, 2000
Equations relating leaf area to leaf dry weight and leaf number were developed for two local landraces of bambara groundnut (Vigna subterranean) grown in a greenhouse and in the field during the 1998/99 cropping season in Swaziland.
A. Sesay, H. Zungu
openaire   +2 more sources

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