Germination potential refers to the percentage of germinated seeds in the number of test samples when the number of germinated seeds reaches the peak during germination. Generally, the percentage of seeds germinated in the first 1/3 stage specified in the germination test is the standard. High germination potential of seeds means strong vitality, neat germination and consistent emergence.

Seed germination of various crops? The number of days stipulated in the situation is: corn, wheat, millet, mung bean, sunflower and other crop seeds are 3 days; The seeds of rice, soybeans, peanuts and other crops are 4 days.

Meaning:

Germination potential and germination rate are one of the main indexes reflecting seed quality. Under the condition of the same germination rate, the seeds with high germination potential indicate that the seeds have strong vitality, and the germination rate is high when sowing in the field, and the seedlings emerge normally after sowing. Therefore, germination potential is one of the factors to calculate sowing amount.

Germination potential is a relatively concentrated germination rate in the early stage of germination, which determines the uniformity of emergence. The germination potential is high, the emergence is neat, and the seedling growth is consistent, otherwise the seedlings are uneven. 50 seeds with medium grain size and above, and other seeds 100. Repeat for 3 times to find the average value. Seed sampling must be random. There is no comprehensive and unified regulation on the number of days to determine the germination rate and germination potential of herbaceous flowers seeds in China. Germination rate can approximately reflect the emergence rate of seeds, and germination potential indicates the vitality of seeds. The seeds with high germination potential have high vigor and strong emergence, and the seeds with high germination rate have high emergence rate, but the seedlings are not necessarily neat or robust. ?

The high germination rate and strong germination potential of crop seeds indicate that the emergence of seedlings is fast and neat, Miao Zhuang; If the germination rate is high and the germination potential is weak, it means that the emergence is uneven and there are many weak seedlings. Generally speaking, the germination rate of old varieties is not necessarily low, but the germination potential is not high, while the germination rate and germination potential of new varieties are high, so we should try our best to "discard the old and adopt the new" in production.