Licorice seeds have specific temperature requirements for germination. They begin to germinate at temperatures between 10 and 15 degrees Celsius, with the fastest germination occurring at 15 to 20 degrees. However, if the temperature exceeds this range, the germination rate of Chen seeds tends to decrease. One of the most notable characteristics of licorice seeds is their hard seed coat, which results in a high hard seed rate—typically ranging from 70% to 90%. This hardness makes it challenging for the seeds to emerge after sowing, which is why proper seed treatment is essential before planting.
In agricultural production, several common methods are used to improve germination. These include soaking seeds in boiling water, treating them with concentrated sulfuric acid, gently grinding them with broken glass, or using a rice mill. Among these, the rice mill method is considered the most effective. Usually, the seeds are milled 1 to 2 times before sowing. When performing this process, it's important not to break the seed coat, as this can damage the embryo inside.
It's also crucial to perform seed treatments a few days before sowing. Early treatment may reduce the germination rate, so timing is key. If you purchase pre-treated seeds, make sure you know how long they were processed and whether they’ve been treated with insecticides. Seeds that have been treated with chemicals often have lower germination rates, so it’s best to avoid them unless you're certain of their quality. Proper preparation significantly increases the chances of successful germination and healthy plant growth.
Black and White Ultrasound Scanner
"Black and White Ultrasound Scanner" is to emit ultrasonic waves, so that the ultrasonic waves encounter barriers to generate echoes, use the computer to collect these echoes, convert them into corresponding images and display them on the screen, and the images measured by the ultrasonic probe are black and white, so it is called " Black and White Ultrasound Scanner" is also the earliest diagnostic technology adopted by b-ultrasound.
"Black and White Ultrasound Scanner" has the advantages of non-invasive, high sensitivity, low cost and convenient operation
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