Chongming narcissus new variety selection method and cultivation method
A cultivation method and new germplasm technology, applied in the breeding of new germplasm of Chongming narcissus, cultivation of new germplasm of Chongming narcissus, and creation of new germplasm of Chongming narcissus by 60Co gamma radiation, which can solve the problem of difficult universal application and create new germplasm , High investment in molecular assisted breeding equipment and other issues, to achieve the effect of maintaining excellent characteristics, high mutation rate, and stable ornamental traits
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Embodiment 1
[0048] 1) Chongming narcissus bulb selection
[0049] After the bulbs are harvested, select the healthy and pest-free Chongming narcissus 'Yulinglong' flowering bulbs, and store them in a cool and ventilated place for 10 weeks to break dormancy. The flowers of Chongming narcissus 'Yu Linglong' are shaped like figure 1 shown.
[0051] The bulbs of Chongming narcissus stored for 10 weeks were irradiated with 60Coγ, and the radiation dose was 10Gy.
[0052] 3) Breeding of new germplasm
[0053] (1) The flowering bulbs of Chongming narcissus treated with 60Coγ radiation were planted in a greenhouse with isolation and cooling facilities. The time interval between radiation treatment and planting was less than 1 week. The planting container was a 50×80cm plastic turnover basket, and the bulbs were planted in the same In a turnover basket, cultivation management. Observe the bulb germination time, leaf shape, flowering time, flower shape and other trai...
Embodiment 2
[0067] 1) Chongming narcissus bulb selection
[0068] After the bulbs are harvested, choose healthy, pest-free flowering bulbs of the Chongming narcissus 'Calendula Yintai' and store them in a cool and ventilated place for 10 weeks to break dormancy. The flowers of Chongming narcissus 'Calendula Yintai' are shaped like image 3 shown.
[0070] The bulbs of Chongming narcissus stored for 10 weeks were irradiated with 60Coγ, and the radiation dose was 10Gy.
[0071] 3) Breeding of new germplasm
[0072] (1) The flowering bulbs of Chongming narcissus treated with 60Coγ radiation were planted in a greenhouse with isolation and cooling facilities, and the time interval between radiation treatment and planting was less than 1 week. The planting container is a plastic turnover basket of 50 × 80 cm, and 40 heads are planted in each frame, a total of 1 frame, and the cultivation management is the same as in Example 1. Observe the bulb germination time, l...
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