When is it suitable to harvest camellia oleifera fruit?

After the cold dew festival, tea fruits should be picked when they are ripe and dry. Different varieties of Camellia oleifera should be harvested first, then harvested after maturity, and the mature Camellia oleifera of the same variety should be harvested within 7 days.

Premature harvesting must be avoided. If the seeds are harvested 10 days before maturity, the oil content of seeds will be 7. 12% lower, and the oil quality will be poor. A large area of Camellia oleifera mountain, often due to different land conditions, has matured, high mountain first, low mountain later; Ripe on sunny slope first, then on shady slope; The barren hills ripen first, the mountains ripen later, the old trees ripen first and the young trees ripen later.

There are mainly cold dew seeds and first frost seeds in Xining varieties in southern Hunan. /kloc-Harvest cold dew seeds around the cold dew festival in mid-October, and harvest the first frost seeds around the first first frost festival. Sometimes, due to the influence of the climate in that year, it is often delayed by 5- 10 days. Drought ripens in advance in high temperature days, and ripens later in low temperature and rainy days.

Extended data:

Camellia oleifera fruit should be treated in time after picking. After picking the fruit, mix a little lime and pile it on the lawn for 3 ~ 5 days to complete the oil ripening process and increase the oil content, and then push it away for 2 ~ 4 days in sunny days;

The tea fruits naturally crack, most of the tea seeds can be separated, and the unseparated ones can be peeled manually, then screened and cleaned, and then continuously dried for 1 ~ 2 days, so that the organic substances such as sediment and soluble sugar can be fully converted into grease, and the rapeseed can be dried with soil flat plate or bamboo mat;

If you can't dry in the rain, you should spread the tea seeds on a dry and ventilated ground with a thickness of about 20 cm, and turn them over 1 ~ 2 times a day to prevent fever and mildew. In case of sunny day, the sun-dried tea seeds should be collected in a ventilated and dry place.