Bitter gourd seeds before sowing

Seed soaking in fresh water had different effects on the seed germination of balsam pear. Generally, with the extension of seed soaking time, the seed germinating power (germination potential and germination rate) gradually increased, and reached its maximum value in 12 hours, and exceeded 12 hours, and the germination force showed a downward trend. Before sowing in warm water, the seeds are soaked in warm water of about 55°C. Soaking the seeds for 12 hours after cooling naturally can basically burn the pathogenic bacteria attached to the surface of the bitter gourd seeds and improve the permeability of the seed coat. Soaking gibberellins with gibberellin significantly increased the germination potential and germination rate of bitter gourd seeds. The treatment with 40mg/kg concentration was better. Brassinosteroid (BR) Soaking BR is a novel plant growth regulator that promotes cell elongation and division. The experiments showed that the germination potential and germination rate of 1:1500-fold BR-120 seed soaking treatment were significantly higher than that of the control, which had a significant promoting effect on the seed germination of balsam pear. Hydrogen peroxide soaking seed soaked in 50% hydrogen peroxide for 3 hours, and then rinsed with water, has a significant role in promoting seed germination, its germination potential and germination rate were increased by 24.04% and 28.1% compared to the control, limiting germination rate reached 97%. Hydrogen peroxide is more practical for large-scale production. The high temperature germination had a significant effect on the seed germination of balsam pear. Within the temperature range of 25-35°C, with the increase of temperature, the germination potential and germination rate were significantly increased, and the germination potential was within the temperature range of 33-35°C. And the germination rate is higher, the speed is faster, and the germination is more neat. The mechanical breakage method commonly used for mechanical breakage is to pinch the seed coat with forceps (scorpion) and peel it off to expose the radicle. The optimum temperature for germination after shell breaking is 33-35°C.

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