Robinia pseudoacacia seed processing method
The dry seed of Robinia pseudoacacia is particularly hard, with dense cortex and poor water permeability. In the treatment, hot water boiling method and simple soaking method are often used.
First, the use of boiling water in the production method. The operation steps are as follows: Pour boiling water into a water tank or other container. The amount of water injected is about one-half of the container. Put the seed into the boiling water. Stir the boiled water with a wooden board so that the seeds of the acacia are evenly heated in the boiling water. After stirring for 2 minutes, cool water is quickly added to cool down and the water temperature is not reduced to hot. Remove the fleas floating on the surface of the water and soak for 15-24 hours. The next day, the dirty water was drained, and the water-swelling Robinia pseudoacacia seed was scouringly washed with rice and germinated at 20°C to 25°C. Repeat the above method, and then use boiling water to treat the black locust seed without water absorption. During germination, respiration can cause the seeds to produce high temperatures and mucus. Therefore, rinsing seeds of locust seeds with hot water that is not hot for one to two times a day. Rinsing keeps the seeds moist and clean, avoiding mildew. After germination for 5 to 7 days, more than one-third of the seeds will crack and grow into a white radicle, known as dew during production. From late March to early April, exposed white locust seeds are planted in the nursery, and locust seedlings will grow after 7 to 10 days.
Second, a simple method of soaking seeds before sowing seed treatment. The method is to put a cotton bag filled with seeds into a special container filled with tap water. After a day and night, the seeds were removed and allowed to dry. The swelled seeds are sieved through a special sieve (the experience is that the first time the swelled seeds account for 50-55% of the total). The unexpanded seeds were repeatedly soaked until 3 times, and the unswollen seeds were placed in wooden barrels and treated with hot boiled water until they swelled. The swelled seeds still dry slightly before sowing. Seeds that had been pre-immersed with water had emerged 2-3 days earlier than the hot water treatment.
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