论文部分内容阅读
有不少蔬菜病害是由种子带来的,通常情况下不宜选用严重带病的种子。但是普通的菜种上都有一些有害的微生物,当种子在不良条件下萌芽时,这些有害微生物可能侵害种子,造成烂种或烂芽。因此应当积极采取措施,消灭种子上的病菌,保证幼苗健壮生长,防止种传病害的传播。
There are many vegetable diseases are brought by the seeds, under normal circumstances should not be used severely sick seed. However, there are some harmful microorganisms on ordinary vegetables. When the seeds germinate under unfavorable conditions, these harmful microorganisms may attack the seeds and cause rotten or rotten buds. Therefore, we should take active measures to eliminate the germs on the seeds, ensure the vigorous growth of seedlings and prevent the spread of the disease.