Through comparing 13 new rape varieties, we found Xiangzayou 631, Huaxiangyou 16 and Xiangzayou 763 al had strong resistance to Sclerotinia sclero-tiorum, excellent comprehensive characters and high yield. They could ...Through comparing 13 new rape varieties, we found Xiangzayou 631, Huaxiangyou 16 and Xiangzayou 763 al had strong resistance to Sclerotinia sclero-tiorum, excellent comprehensive characters and high yield. They could be planted in planting areas of one-season rice and dry-land rape in Leiyang. Changzayou 3, Xi-angzayou 4, Zhongyou 112 and Fengyou 520 had the advantage of short growth period and al matured around April 25th. This would not affect the two-season rice production in Leiyang. Therefore, they were suitable for being promoted in rice-rice-oil triple-cropping areas.展开更多
由于长期单一使用药剂,二化螟产生了严重的抗药性。为筛选出新的药剂,提高化学防治效果,2017年在湖南省耒阳市开展不同药剂防治试验。结果表明,施药后5 d,以5%阿维菌素+6%氟虫双酰胺+5%氟铃脲,667 m2用100 m L,防效最好;施药后10 d,以3...由于长期单一使用药剂,二化螟产生了严重的抗药性。为筛选出新的药剂,提高化学防治效果,2017年在湖南省耒阳市开展不同药剂防治试验。结果表明,施药后5 d,以5%阿维菌素+6%氟虫双酰胺+5%氟铃脲,667 m2用100 m L,防效最好;施药后10 d,以3.5%甲维盐+6%氟虫双酰胺,667 m2用100 m L,防效最好;施药后15 d,以1.8%阿维菌素+6%氟虫双酰胺+5.5%己唑醇,667 m2用100 m L,防效最好;保苗效果以1.8%阿维菌素+6%氟虫双酰胺+5.5%己唑醇,667 m2用100 m L为最好。展开更多
文摘Through comparing 13 new rape varieties, we found Xiangzayou 631, Huaxiangyou 16 and Xiangzayou 763 al had strong resistance to Sclerotinia sclero-tiorum, excellent comprehensive characters and high yield. They could be planted in planting areas of one-season rice and dry-land rape in Leiyang. Changzayou 3, Xi-angzayou 4, Zhongyou 112 and Fengyou 520 had the advantage of short growth period and al matured around April 25th. This would not affect the two-season rice production in Leiyang. Therefore, they were suitable for being promoted in rice-rice-oil triple-cropping areas.
文摘由于长期单一使用药剂,二化螟产生了严重的抗药性。为筛选出新的药剂,提高化学防治效果,2017年在湖南省耒阳市开展不同药剂防治试验。结果表明,施药后5 d,以5%阿维菌素+6%氟虫双酰胺+5%氟铃脲,667 m2用100 m L,防效最好;施药后10 d,以3.5%甲维盐+6%氟虫双酰胺,667 m2用100 m L,防效最好;施药后15 d,以1.8%阿维菌素+6%氟虫双酰胺+5.5%己唑醇,667 m2用100 m L,防效最好;保苗效果以1.8%阿维菌素+6%氟虫双酰胺+5.5%己唑醇,667 m2用100 m L为最好。