Litchi Pollen Collection and Storage Technology

August 22 10:04:56, 2019

The spikes of male flowers that are sticking out of the anther but not cracked, the filaments are not elongated, and mature are placed in kraft paper envelopes and wrapped in film. They are stored in an environmental chamber at a temperature of 5, 8, or 125°C and checked regularly. Germination rate. The control was stored at room temperature of 20-30°C, and the germination rate of the pollen collected during the cracking and non-cracking of the anther was tested. The results showed that the germination rate of litchi pollen was normal after storage at 5-12 °C for 50 days, and the germination rate began to decrease after 75 days of storage. The germination rate of litchi pollen kept at room temperature for 3 days was similar to that of fresh pollen, and the germination rate decreased significantly after 6 days storage. The pollen collected when the male flower anther extends out without cracking has the same germination rate as the pollen when the anther is cracked. When artificial pollination of litchi was considered, early collected pollen could be preserved at low temperature (5-12 °C).

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