链霉菌702发酵液对水稻种传真菌的抑制效果、种子发芽率的影响

Studies on Streptomyces 702 Ferment Solution Restraint of Rice Seed-born Fungi and Effect of Seed Germination

对江西省6个水稻主栽品种种传真菌进行了检测,研究了链霉菌702发酵液对水稻种传真菌的抑制效果及对种子发芽率的影响。结果表明,6个水稻主栽品种不同程度带有稻毛锥孢菌、镰刀菌等真菌,种子带菌率在52%以上。3种药剂处理和链霉菌702发酵液处理后均能有效抑制种传真菌,达到极显著水平,说明链霉菌702发酵液可以有效防治因种传真菌引起的幼苗病害。链霉菌702发酵液处理种子后,种子的发芽率受到一定影响,但没有达到显著水平,说明将链霉菌702发酵液用于水稻种子种传真菌防治的药剂是安全的。

Testing for seed-borne fungi of 6 major rice varieties in Jiangxi Province found 6 major rice varieties had some fungi like Altermaria padwickii, Fusarium with the seed fungi rate above 52%. 3 kinds of drug agent treatments and Streptomyces 702 fermentation solution could effectively restrain seedborne fungi at significantly leveles, showing that Streptomyees 702 fermentation solution can effectively control of seedling diseases induced by seed-borne fungi. After Streptomyces 702 fermentation solution treated with seed, it had a certain effect on seed germinate rate, but it did not reach the significant level, suggesting that it is safe to use Streptomyces 702 fermentation solution control of seed-borne fungi.