Observation Variable Method Details

Observation Variable Method Basic Information

Tomato Analyzer two-dimensional digital phenotyping of longitudinal section fruit morphology and color
Fruits were cut longitudinally, scanned and stored as digital image. The scanned fruit were analyzed fruit morphology and color

Instrument, Software & Method Class

Tomato Analyzer

1) https://vanderknaaplab.uga.edu/tomato_analyzer.html

Related Observation Variables Summary 50

Name Description Trait
curved fruit shape index The ratio of curved height to the width of the fruit at mid-curved-height, as measured perpendicular to the curved height line. ID:0000019
fruit curved height The height measured along a curved line through the fruit, passing through the midpoints of opposing pairs of points on either side of the distal and proximal points. cm. ID:0000045
distal eccentricity index Internal ellipse height / height top ellipse-bottom fruit ratio. ID:0000037
distal angle macro 10% Distal fruit end shape angle at position 10% above the tip from the fruit. measured in the longitudinal section ID:0000010
distal angle macro 15% Distal fruit end shape angle at position 15% above the tip from the fruit. measured in the longitudinal section ID:0000010
distal angle macro 20% Distal fruit end shape angle at position 20% above the tip from the fruit. measured in the longitudinal section ID:0000010
distal angle macro 25% Distal fruit end shape angle at position 25% above the tip from the fruit. measured in the longitudinal section ID:0000010
distal angle micro 2% Distal fruit end shape angle at position 2% above the tip from the fruit. measured in the longitudinal section ID:0000011
distal angle micro 3% Distal fruit end shape angle at position 3% above the tip from the fruit. measured in the longitudinal section ID:0000011
distal angle micro 5% Distal fruit end shape angle at position 5% above the tip from the fruit. measured in the longitudinal section ID:0000011
distal fruit end blockiness 10% Distal fruit end width/mid width ratio at 90% of fruit height. A measure of the tightening of the fruit at the distal part. measured in the longitudinal section SP:0000075
distal fruit end blockiness 20% Distal fruit end width/mid width ratio at 80% of fruit height. A measure of the tightening of the fruit at the distal part. measured in the longitudinal section SP:0000075
distal fruit end blockiness 30% Distal fruit end width/mid width ratio at 70% of fruit height. A measure of the tightening of the fruit at the distal part. measured in the longitudinal section SP:0000075
distal fruit end blockiness 5% Distal fruit end width/mid width ratio at 95% of fruit height. A measure of the tightening of the fruit at the distal part. measured in the longitudinal section SP:0000075
distal fruit end indentation area ratio Fruit end indented area/total fruit area. The ratio of the area of the distal indentation (bounded by the distal protrusion points, D_sl and D_sr) to the total area of the fruit, multiplied by 10. T.A. version 3.0. ID:0000008
distal fruit end protrusion area ratio Distal fruit end protruded area/total fruit area. The ratio of the area of the distal protrusion (bounded by the distal protrusion points, D_sl and D_sr) to the total area of the fruit, multiplied by 10. T.A. version 3.0 . ID:0000009
fruit area, measurement in square centimeters, cm^2 The area of the fruit in cm^2. ID:0000003
fruit area, measurement in square centimeters,mm^2 The area of the fruit in mm^2. ID:0000003
fruit shape eccentric The asymmetry of the fruit. Height of internal ellipse / total height. ID:0000020
eccentricity area index Area ellipse / total fruit area. SP:0000058
fruit shape index external 1 The ratio of the maximum fruit height to maximum fruit width.Measured in the longitudinal section ID:0000017
fruit shape index external 2 The ratio of fruit height mid-width to fruit width mid-height.Measured in the longitudinal section ID:0000017
shape index internal Internal ellipse height/width ratio.Measured in the longitudinal scale ID:0000018
fruit shape triangle 10% The ratio of the width at the Upper Blockiness Position (10%) to the width at the Lower Blockiness Position (90%) SP:0000049
fruit shape triangle 20% The ratio of the width at the Upper Blockiness Position (20%) to the width at the Lower Blockiness Position (80%) SP:0000049
fruit shape triangle 30% The ratio of the width at the Upper Blockiness Position (30%) to the width at the Lower Blockiness Position (70%) SP:0000049
fruit shape triangle 5% The ratio of the width at the Upper Blockiness Position (5%) to the width at the Lower Blockiness Position (95%) SP:0000049
heart shape degree Calculation. 0.25 x [1/2fOv(y) x Tov] + 20 x [(H_sl + H_sr)/2*H] the degree of heart shapeness. ID:0000029
fruit length mid-width The height measured at half of the fruit width in cm. ID:0000043
horizontal asymmetry obovoid If the area of the fruit is greater below mid-height than above it, horizontal asymmetry obovoid is the average distance (Res_h) between a horizontal line through the fruit at mid-height and the midpoint of the fruit height at each width. Otherwise, it is 0. ID:0000040
horizontal asymmetry ovoid If the area of the fruit is greater above mid-height than below it, horizontal asymmetry ovoid is the average distance (Res_h) between a horizontal line through the fruit at mid-height and the midpoint of the fruit height at each width. Otherwise, it is 0. ID:0000040
fruit longest length The maximum length of the fruit in cm. ID:0000044
fruit widest width The maximum width of the fruit in cm. ID:0000047
obovoid 1/2fOb(y) x Tob. The degree of pear-shapeness. If the area of the fruit is greater below mid-height than above it, then Obovoid is calculated from the maximum width (W), the height at which the maximum width occurs (y), the average width above that height (w1), and the average width below that height (w2), and a scaling function scale_ob as: Obovoid = 1/2 * scale_ob(y) * (1- w1/W + w2/W) If Obovoid > 0, subtract 0.4. Otherwise, Obovoid is 0.measured in the longitudinal section ID:0000034
ovoid 1/2fOv(y) x Tov. The opposite of pear-shapeness. If the area of the fruit is greater above mid-height than below it, then Ovoid is calculated from the maximum width (W), the height at which the maximum width occurs (y), the average width above that height (w1), and the average width below that height (w2), and a scaling function scale_ov as:Ovoid = 1/2 *scale_ov(y) * (1 - w2/W + w1/W). If Ovoid > 0, subtract 0.4. Otherwise, Ovoid is 0.measured in the longitudinal section ID:0000035
proximal angle macro 20% The angle between best-fit lines drawn through the fruit perimeter on either side of the proximal end point. The Macro Distance setting determines the percentage of the perimeter from the proximal end point at which to center the linear regression points used to find the best-fit line. The points comprising 5% of the perimeter on either side of that center point are used in the regression.measured in the longitudinal section ID:0000014
proximal angle micro 2% The angle between best-fit lines drawn through the fruit perimeter on either side of the proximal end point. The Micro Distance setting determines the percentage of the perimeter from the proximal end point at which to center the linear regression points used to find the best-fit line. The points comprising 1% of the perimeter on either side of that center point are used in the regression.measured in the longitudinal section ID:0000013
proximal angle micro 3% The angle between best-fit lines drawn through the fruit perimeter on either side of the proximal end point. The Micro Distance setting determines the percentage of the perimeter from the proximal end point at which to center the linear regression points used to find the best-fit line. The points comprising 1.5% of the perimeter on either side of that center point are used in the regression.measured in the longitudinal section ID:0000013
proximal eccentricity index internal ellipse height/height bottom ellipse-top fruit ratio . ID:0000036
proximal fruit end blockiness 10% Proximal fruit end width/mid width ratio at 10% of fruit height. A measure of the tightening of the fruit at the proximal part. measured in the longitudinal section SP:0000078
proximal fruit end blockiness 20% Proximal fruit end width/mid width ratio at 20% of fruit height. A measure of the tightening of the fruit at the proximal part. measured in the longitudinal section SP:0000078
proximal fruit end blockiness 30% Proximal fruit end width/mid width ratio at 30% of fruit height. A measure of the tightening of the fruit at the proximal part. measured in the longitudinal section SP:0000078
proximal fruit end blockiness 5% Proximal fruit end width/mid width ratio at 5% of fruit height. A measure of the tightening of the fruit at the proximal part. measured in the longitudinal section SP:0000078
proximal fruit end indentation area Proximal fruit end indented area/total fruit area. The ratio of the area of the proximal indentation (bounded by the proximal shoulder points, P_sl and P_sr) to the total area of the fruit, multiplied by 10. T.A. version 3.0 .measured in the longitudinal section ID:0000016
proximal fruit end height The ratio of the average height of the shoulder points above the proximal end point to maximum height. The height of the shoulder points (H_sl and H_sr) is measured against a line through the proximal point that is perpendicular to the line between the proximal point and the fruit center of weight (assuming all pixels have equal mass).measured in the longitudinal section ID:0000015
vertical asymmetry degree [sum|m-mi|]/L. Degree of vertical asymmetry. The average distance (Res_w) between a vertical line through the fruit at mid-width and the midpoint of the fruit width at each height. SP:0000066
fruit mid-height width The width measured at half of the fruits height in cm. ID:0000046
fruit height at widest position asymmetry The ratio of the height at which the maximum width occurs, to the maximum height. ID:0000041
Tomato Pericarp Thickness Ratio The ratio of the Pericarp Thickness to the average of the Maximum Height and Maximum Width. ID:0000024
Tomato Pericarp Area Ratio the ratio of the area within the pericarp boundary to the area of the fruit measured in the transversal region ID:0000025