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中国农学通报

中国农学通报 ›› 2014, Vol. 30 ›› Issue (16): 282-285.doi: 10.11924/j.issn.1000-6850.2013-2932

所属专题： 园艺

• 植物保护 农药 • 上一篇    下一篇

“德根贝”微生物菌剂对上海青生长发育和霜霉病发病情况的影响

弓新国 胡晓峰 盘文政 岳宁 陈俊秋 子瑾   

  • 收稿日期:2013-11-08 修回日期:2013-12-10 出版日期:2014-06-05 发布日期:2014-06-05
  • 基金资助:
    科技型中小企业技术创新基金 “防病高效浓缩根际促生长新型微生物肥料研发” (13C26215305485)。

Effects of RhizoVital®42fl Microbial Agent Application on Growth and Downy Mildew Disease Occurrence of Brassica rapa L.

  • Received:2013-11-08 Revised:2013-12-10 Online:2014-06-05 Published:2014-06-05

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摘要： 通过田间小区试验，研究不同施用量的“德根贝”微生物菌剂对上海青霜霉病和生长发育的影响。结果表明，施用“德根贝”微生物菌剂不仅可降低上海青霜霉病的发病率，促进上海青的生长和提高上海青的产量及产值，而且还可以降低土壤中真菌数量，改良土壤微生物区系。其中，“德根贝”微生物菌剂120mL/亩施用量的效果最佳，具体体现在，对上海青霜霉病的防治效果达64.37%，株高、最大叶长、最大叶宽、开展度、有效叶数、净菜率、根鲜重和亩产量分别增长5.70%，7.62%，5.62%，3.13%，5.74%，2.20%，13.73%和9.01%。施用“德根贝”微生物菌剂可降低上海青的霜霉病发病率、促进上海青生长和改良土壤微生物区系。

关键词: 滨海, 滨海, 盐碱地, 生态修复

Abstract: A field plot experiment was conducted to evaluate effects of application amount of RhizoVital?42fl microbial agent on growth and downy mildew disease occurrence of Brassica rapa L. The results showed that RhizoVital?42fl microbial agent could not only reduce downy mildew disease occurrence of Brassica rapa L., promote growth of Brassica rapa L. and increase the yield, but also reduce the population of fungus in soil and improve soil microbial flora. And the RhizoVital?42fl microbial agent 1.80 L/hm2 treatment was the best of all the treatments, its control efficiency against downy mildew disease occurrence of Brassica rapa L. was up to 64.37%, and plant height increased by 5.70%, length and width of maximum Leaf by 7.62% and 5.62%, the crown width by 3.13%, number of productive leaves by 5.74%, the net-head-rate by 2.20%, root wet weight by 13.73% and yield by 9.02% . In a word, RhizoVital?42fl microbial agent reduced downy mildew disease occurrence of Brassica rapa L., promoted growth of Brassica rapa L. and improved soil microbial flora.