Generally, pitaya takes 20 days from germination to flowering maturity, and 30-40 days after flower withering. The fruit ripens 30-40 days after withering and can blossom 12- 15 times a year. The main sign of pitaya before flowering is that the front petals of pitaya flower will open, especially in the evening before flowering, its petals will open slightly, and some honey will take the opportunity to get into the petals to collect pollen. The flowering period of pitaya is very short, but the flowers are particularly beautiful and ornamental.
Generally, pitaya flowers begin to bloom before sunset 1- 1.5 hours, and fully open at sunset. At dawn, the corolla gradually closed and withered before and after the sun rose. Too much rain will reduce or fail the ejection ability of male anthers and the receptivity of female stigma, which will have a great impact on pollination and fertilization.
Pitaya variety
1, yellow pitaya
Pitaya with yellow skin is an extremely precious variety in Pitaya. Its skin is yellow and there are long and sharp thorns on its surface. When it is fully mature, the spines will fall off. The flesh is white, delicate and compact, with a sweetness of more than 18%, sweet and delicious.
2. Red Dragon Fruit
The red pitaya fruit is spherical or rectangular, with bright red peel, single fruit weighing 300-700g, purple flesh, tender and juicy meat, soluble solids 16%-2 1%, rich fruit aroma, maturity 40-50 days after flowering and rich nutritional value.
3. White-hearted pitaya
The white flesh of white pitaya can be processed into juice, fruit powder and jam. The fruit is huge, the single fruit weighs more than 400g, the maximum is more than 1kg, and the soluble solid content is 18%. Among them, Vietnam 1 is the most prominent.