It is generally believed that good varieties should have the following characteristics: 1 High yield per unit area; 2 High oil content of sunflower seeds. 3 strong resistance; 4 wide adaptability. However, the following points should also be noted when selecting and using hybrids.
(1) Purity of hybrid seed. The higher the purity, the higher the yield and vice versa. Therefore, when selecting seeds, be sure to ask for purity and prevent adulteration. The purity of the variety can be known from the investigation of the growth stage of the oil sunflower. The high-purity varieties have uniform and uniform plants, neat flowering stages and no sterile plants.
(2) Regional differences. Some people think that as long as the introduction of a well-known fine breed can achieve high yields in the area of ​​introduction, this view is sometimes correct, and sometimes it is not working. When introducing, consideration should be given to the similarity of the local climatic conditions with the introduction places, especially accumulated temperature, frost-free period, rainfall, etc., because the local frost-free period is short (for example, 100 days), and the introduced varieties have too long growth period, and the new varieties cannot be normal locally. Mature, resulting in reduced production. In addition, if you refer to neighboring villages and neighboring counties (flags) to introduce new varieties of experience, they can often succeed.
Tianeptine Intermediate,Tianeptine Api,Tianeptine Sodium,Tianeptine Sodium Intermediate
Shandong Bolode Bio-technology Co., Ltd. , https://www.bldpharma.com