Seeds are soaked in warm water of 48 to 49 degrees Celsius for 10 to 15 minutes before sowing. Or use 50% of Fairchild WP, ​​or 65% zein Zn wettable powder. The dosage is 0.3% of seed weight. It can also be soaked with 0.1% mercury in water for 10 minutes, washed with water and germinated. The above methods can eliminate the pathogenic bacteria carried on the seeds. Raw Sunflower Seeds,Plain Sunflower Seeds,Unroasted Sunflower Seeds,Raw Sunflower Wuyuan county dafeng oil food co.,ltd , https://www.dafengfood.com.cn