抗烟草黑胫病植物源活性物质的筛选
Guangdong Agricultural Sciences(2017)
Abstract
为筛选对烟草黑胫病有较高抗性的植物源提取物,采用菌丝生长速率法,对苦参、枳壳等45种中药材粗提液对烟草黑胫病病菌的抑制效果及施药方式进行了分析,结果表明:有土黄连、黄柏等19种中药材的提取物对烟草黑胫病病菌菌丝生长有显著的抑制效果,中药材提取物以混合杀菌方式对烟草黑胫病菌丝生长抑制作用效果最好;其中土黄连、黄柏、黄独、厚朴、前胡、雷公藤、苍术、油茶饼、瞿麦、巴戟天等16种中药材的提取物对烟草黑胫病菌丝生长有极显著的抑制效果,具有开发先导化合物的潜力;在大田生产应用上,施用中药材植物源药剂防治烟草黑胫病以灌根的施药方式较好.
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Key words
phytophthora parasitica var,botanical active substances,nicotianae,tobacco
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