Table 3 Range of variation for 34 quantitative traits of three dragon fruit (Hylocereus) species of cladode, flower and fruit in Andaman and Nicobar Islands.
Descriptors | Min | Max | Mean | SE | SD | Skewness | Kurtosis | CV |
|---|---|---|---|---|---|---|---|---|
Cladode | ||||||||
Length of segments (cm) | 36.2 | 75.9 | 61.5 | 9.1 | 18.3 | − 1.2 | 0.7 | 29.7 |
Cladode width (mm) | 35.0 | 53.0 | 41.3 | 4.0 | 8.0 | 1.7 | 3.2 | 19.4 |
Arch height of stem (mm) | 2.0 | 6.0 | 3.5 | 1.0 | 1.9 | 0.9 | − 1.3 | 54.7 |
Distance between Areoles (mm) | 34.0 | 40.0 | 36.8 | 1.4 | 2.8 | 0.3 | − 3.0 | 7.5 |
Number of spines | 3.0 | 5.0 | 4.0 | 0.4 | 0.8 | − 6.9 | 1.5 | 20.5 |
Length of Areoles (mm) | 1.0 | 4.0 | 2.3 | 0.8 | 1.5 | 0.4 | − 3.9 | 66.7 |
Flower | ||||||||
Flower bud length (mm) | 21.0 | 26.0 | 24.3 | 1.1 | 2.2 | − 1.7 | 3.3 | 9.1 |
Flower bud width (mm) | 9.0 | 16.0 | 12.8 | 1.5 | 3.0 | − 0.4 | − 0.4 | 23.4 |
Pericarpel length (mm) | 205.0 | 246.0 | 235.0 | 10.0 | 20.0 | − 2.0 | 3.9 | 8.5 |
Pericarpel width (mm) | 32.0 | 37.0 | 35.5 | 1.2 | 2.4 | − 1.8 | 3.1 | 6.7 |
Flower pericarpel: separation of bracts | 7.2 | 8.5 | 7.8 | 0.3 | 0.6 | − 0.1 | − 2.2 | 7.3 |
Flower length (cm) | 18.4 | 23.2 | 20.7 | 1.2 | 2.3 | 0.1 | − 4.3 | 11.1 |
Flower: length of style (cm) | 7.0 | 13.4 | 10.2 | 1.7 | 3.5 | 0.0 | − 5.8 | 34.0 |
Flower: number of stigma lobes | 20.3 | 28.2 | 25.0 | 1.9 | 3.9 | − 0.5 | − 3.0 | 15.4 |
Flower bifurcation of stigma lobes (cm) | 1.7 | 2.2 | 1.9 | 0.1 | 0.3 | − 0.1 | − 5.2 | 13.3 |
Distance of anthers below stigma (mm) | 15.0 | 16.0 | 15.3 | 0.3 | 0.5 | 2.0 | 4.0 | 3.3 |
Days to bud initiation (DFT) | 422.5 | 863.8 | 647.4 | 119.9 | 239.9 | 0.0 | − 5.9 | 37.1 |
Days to anthesis | 29.8 | 37.3 | 32.8 | 1.7 | 3.4 | 0.9 | − 0.6 | 10.4 |
Average no. of flowers plant−1 fruiting cycle−1 | 10.3 | 15.8 | 12.5 | 1.2 | 2.4 | 1.2 | 1.4 | 19.2 |
Fruit | ||||||||
Fruit length (cm) | 8.9 | 15.2 | 12.03 | 15.0 | 30.0 | 0.0 | − 4.4 | 25.0 |
Fruit diameter (cm) | 4.2 | 10.9 | 8.5 | 14.7 | 29.5 | − 1.7 | 3.1 | 34.7 |
Total fruit weight (g) | 26.5 | 419.3 | 204.8 | 87.3 | 174.6 | 0.4 | − 1.9 | 85.3 |
Peel weight (g) | 16.3 | 160.5 | 79.9 | 31.6 | 63.3 | 0.6 | − 1.0 | 79.2 |
Pulp weight (g) | 10.3 | 258.8 | 125.3 | 55.6 | 111.2 | 0.3 | − 2.3 | 88.7 |
No. of bracts | 27.0 | 59.0 | 39.0 | 7.0 | 14.0 | 1.5 | 2.5 | 35.8 |
Length of the apex bracts (mm) | 21.0 | 62.0 | 39.8 | 9.2 | 18.4 | 0.4 | − 2.3 | 46.3 |
Width of the base of the bract (mm) | 8.0 | 47.0 | 27.5 | 8.2 | 16.3 | 0.0 | 0.1 | 59.4 |
Distance between bract to bract (mm) | 10.0 | 51.0 | 34.8 | 8.8 | 17.5 | − 1.3 | 2.3 | 50.4 |
TSS ( oB) | 9.1 | 18.3 | 13.6 | 2.1 | 4.2 | 0.1 | − 3.4 | 31.0 |
Titrable acidity (%) | 0.2 | 0.3 | 0.2 | 0.0 | 0.1 | 0.8 | 0.3 | 24.1 |
Average fruit set fruiting cycle−1 plant−1 (%) | 41.3 | 83.8 | 58.5 | 9.8 | 19.6 | 0.8 | − 1.4 | 33.5 |
Days from anthesis to fruit maturity | 18.7 | 25.6 | 21.5 | 1.6 | 3.2 | 0.7 | − 1.7 | 14.8 |
Number of fruiting cycles | 1.0 | 8.0 | 4.5 | 1.8 | 3.5 | 0.0 | − 5.2 | 78.0 |
Average fruit yield season−1 plant−1 (Kg) | 1.1 | 6.3 | 3.6 | 1.3 | 2.5 | 0.1 | − 4.7 | 70.5 |
