A method for releasing dormancy of giant bauhinia seeds and promoting germination
A technology for seeds and bauhinia, which is applied in the fields of seed and rhizome treatment, agriculture, and application, can solve the problem that the germination rate is only 40%, and achieve good economic and social benefits, efficient and reliable technical means, and good practical application value. Effect
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Embodiment 1
[0014] In breeding, in order to make the seeds of Bauhinia chinensis germinate smoothly, it is necessary to release the physical dormancy and physiological dormancy of the seeds. Releasing the physical dormancy of seeds is to remove the influence of dense seed coat on water absorption and air permeability of seeds. In principle, any method that can improve the permeability of the seed coat can be used. However, unsatisfactory effects may appear in actual use. In this example, hot water treatment and concentrated sulfuric acid treatment are used to illustrate how to release the dormancy of giant Bauhinia seeds.
[0015] Treat with concentrated sulfuric acid for 10min (group ①), 15min (group ②), 20min (group ③), 25min (group ④) and 30min (group ⑤) with concentrated sulfuric acid. Rinse under running water for 48 hours. Each treatment was replicated 3 times, and each replicated 100 grains. After the treatment was completed, a germination test was carried out. The seeds were pl...
Embodiment 2
[0021] In breeding, in order to make the seeds of Bauhinia chinensis germinate smoothly, it is necessary to release the physical dormancy and physiological dormancy of the seeds. Releasing the physical dormancy of seeds is to remove the influence of dense seed coat on water absorption and air permeability of seeds. In principle, any method that can improve the permeability of the seed coat can be used. However, undesired effects may occur in actual use. In this example, the physical dormancy is released by soaking the seeds in hot water, and then the physiological dormancy is released by soaking with gibberellin and then deposited in low-temperature sand. illustrate.
[0022] Soak the seeds in hot water at 50°C, 70°C, and 80°C for 12 hours, and then use a concentration of 0 mg·mL -1 , 150mg·mL -1 , 300mg·mL -1 , 500mg·mL -1 Soak Bauhinia gigantea seeds in gibberellin solution for 12 hours, and each treatment was replicated three times, with 200 seeds per replicate. After...
Embodiment 3
[0027] In breeding, in order to make the seeds of Bauhinia chinensis germinate smoothly, it is necessary to release the physical dormancy and physiological dormancy of the seeds. Releasing the physical dormancy of seeds is to remove the influence of dense seed coat on water absorption and air permeability of seeds. In principle, any method that can improve the permeability of the seed coat can be used. However, unsatisfactory effects may appear in actual use. In this example, the physical dormancy is removed by acid etching with 98% concentrated sulfuric acid, and then the physiological dormancy is removed by soaking in gibberellin and then deposited in low-temperature sand. Seed dormancy is described.
[0028] Treat with 98% concentrated sulfuric acid for 5min, 10min, 15min, 20min respectively. During the treatment period, use a glass rod to stir the solution constantly. After the treatment, wash with running water for 12h, then soak the seeds with different concentrations o...
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