Table 1 Characterization of three dragon fruit (Hylocereus) species with 34 quantitative traits of cladode, flower and fruit in Andaman and Nicobar Islands.
Accession/descriptors | H. undatus | H. costariscensis | H. megalanthus | |
|---|---|---|---|---|
DGF 1 | DGF 2 | DGF 4 | DGF 3 | |
Cladode | ||||
Length of segments (cm) | 73.9 | 75.9 | 36.2 | 60.1 |
Cladode width (mm) | 39 | 38 | 53 | 35 |
Arch height of cladode (mm) | 6 | 4 | 2 | 2 |
Distance between areoles (mm) | 38 | 35 | 34 | 40 |
Number of spines | 4 | 4 | 5 | 3 |
Length of areoles (mm) | 3 | 4 | 1 | 1 |
Flower | ||||
Flower bud length (mm) | 25 | 26 | 25 | 21 |
Flower bud width (mm) | 12 | 14 | 16 | 9 |
Pericarpel length (mm) | 205 | 243 | 246 | 246 |
Pericarpel width (mm) | 37 | 36 | 37 | 32 |
Flower pericarpel: separation of bracts | 7.58 | 8.46 | 7.16 | 8.12 |
Flower length (cm) | 23.22 | 19.26 | 18.36 | 22.15 |
Flower: length of style (cm) | 13.42 | 7.34 | 7.02 | 12.89 |
Flower: number of stigma lobes | 28.2 | 23.4 | 20.3 | 28.1 |
Flower bifurcation of stigma lobes (cm) | 2.18 | 1.76 | 1.67 | 2.13 |
Distance of anthers below stigma (mm) | 15 | 15 | 15 | 16 |
Days to bud initiation (DFT) | 457.8 | 422.5 | 863.8 | 845.6 |
Days to anthesis | 30.6 | 29.8 | 33.5 | 37.3 |
Average no. of flowers plant−1 fruiting cycle−1 | 11.3 | 12.5 | 10.3 | 15.8 |
Fruit | ||||
Fruit length (cm) | 15.2 | 13.9 | 10.1 | 8.9 |
Fruit diameter (cm) | 10.9 | 9.6 | 9.3 | 4.2 |
Total fruit weight (g) | 419.3 | 267.4 | 106 | 26.5 |
Peel weight (g) | 160.5 | 97.3 | 45.6 | 16.3 |
Pulp weight (g) | 258.8 | 170.1 | 61.9 | 10.3 |
No. of bracts | 37 | 33 | 27 | 59 |
Length of the apex bracts (mm) | 62 | 29 | 47 | 21 |
Width of the base of the bract (mm) | 47 | 32 | 23 | 8 |
Distance between bract to bract (mm) | 51 | 37 | 41 | 10 |
TSS ( oB) | 11.2 | 15.9 | 9.1 | 18.3 |
Titrable acidity (%) | 0.22 | 0.19 | 0.28 | 0.16 |
Average fruit set fruiting cycle−1 plant−1 (%) | 83.8 | 63.9 | 44.9 | 41.3 |
Days from anthesis to fruit maturity | 19.3 | 22.5 | 18.7 | 25.6 |
Number of fruiting cycles | 07 | 08 | 02 | 01 |
Average fruit yield season−1 plant−1 (Kg) | 6.3 | 5.2 | 1.8 | 1.1 |