Method for hybridizing cymbidium goeringii, aseptically sowing seeds and raising seedlings
A technology for aseptic sowing and hybrid seeds, applied in the field of plant biology, can solve the problems of incompletely developed tadpole-shaped embryos, seeds without endosperm and cotyledons, and unfavorable acquisition of excellent offspring, etc., and achieves a shortened seedling cycle, simple and easy preparation, and disinfection effects. Good results
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Embodiment 1
[0038] Hybridization of Chunlan Dafugui and Lvyun and aseptic sowing of seeds:
[0039] (1) Artificial pollination: In the middle and late February, when the two parents bloom at the same time, they can be the parents of each other, and carry out reciprocal crossing. Before and after pollination, care must be taken to prevent the influence of insects. Remove the pollen pieces and exchange them with each other, then pick up the pollen pieces of the male parent with tweezers and carefully place them in the groove of the stamen column of the female parent. Pay attention to the lightness of the gesture to prevent the tip of the tweezers from hitting the wall of the stamen column. 1 flower The pollen block can confer 2 to 4 flowers. After pollination, cover the stamen with a small piece of white non-woven fabric or cover the whole flower with a pollination bag made of translucent paper. 1. Pollination date and pollinator, check the pollination expansion after 15-30 days, if the pol...
Embodiment 2
[0045] Chunlan Jiyuan (♀) and Yuanhong Methods of hybridization and aseptic sowing of seeds:
[0046] (1) Artificial pollination: the flowering period of Yuanhong is 20 days earlier than Jiyuan, remove the pollen block of Yuanhong, put it in a small plastic ziplock bag, and store it in a dry (silica gel) low temperature (5°C) refrigerator. When Jiyuan blooms, take out the refrigerated pollen blocks and place them on white paper, and place them in an environment with a suitable temperature and humidity (temperature 20-25°C, humidity 70-75%) for 30 minutes, and individual samples are tested by TTC staining method. Test the vitality of the pollen blocks, and pollinate the remaining pollen blocks on the round stamens. After pollination, cover the stamens with a small piece of white non-woven fabric or cover the whole flower with a pollination bag made of translucent paper. Flowers, hang a plastic card, write clearly the parents, pollination date and pollinator, check the pollina...
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