Zibo Shanghong Agricultural Science and Technology Service Co., Ltd

Longping corn seed quality has a great impact on yield, and its impact sometimes exceeds the yield difference between varieties. Therefore, it is necessary to select not only good varieties but also high-quality seeds for production. At this stage, China's indicators for measuring seed quality mainly include variety purity, seed accuracy, germination rate and moisture. In addition to these factors, what other factors should be considered when choosing?
Choose Longping corn seeds that have passed the certification
When purchasing Longping corn seeds, you must check whether they have passed the variety certification and have a variety certification number. It is best to choose varieties that have been tested and demonstrated locally for more than a year.
Choose disease-resistant or disease-tolerant varieties
Diseases are an important disaster in corn production. When selecting disease-resistant Longping corn seeds, you must give priority to disease-resistant varieties that are resistant to large and small leaf spot, head smut and stem rot. .
Choose varieties that match the local maturity period
You must choose Longping corn seeds that can mature normally in this area. Choose varieties whose accumulated temperature is lower than the local accumulated temperature and whose growth period is shorter than the local frost-free period. The growth period is too short, which affects the increase in yield; the growth period is too long, the local growth period is not enough, normal maturity cannot be achieved, and the yield potential of the variety cannot be fully utilized.
Select varieties with high lodging resistance
It is very important to select varieties with high resistance to lodging. Although lodging is closely related to the environment and cultivation practices, genetic differences in varieties are also important factors affecting lodging.
Select varieties with high production potential and wide adaptability
The yield potential of Longping corn seeds with similar growth periods may vary greatly. The varieties should be selected based on the yield results of the variety comparison experiment, rather than just because of the size of the ear, the compactness of the leaves, and the flatness of the leaves. Due to the unpredictability and variability of climate, it is important to select varieties that can increase yield levels in multiple locations, regions and environments.
The state has made clear regulations on the purity, clarity, germination rate and moisture index of Longping corn seeds. The purity of first-class seeds is not less than that, the clarity is not less than that, the germination rate is not less than that, and the moisture content is not higher than The purity of the second-level seeds is not less than that, the clarity is not lower than that, the germination rate is not lower than that, and the moisture content is not higher than that. Therefore, when choosing Longping corn seeds, you must proceed from practicality and do not follow blindly.