| 黄新忠.HSAF防控梨叶部病害及早期落叶效果试验[J].中国南方果树,2017,46(5): |
| HSAF防控梨叶部病害及早期落叶效果试验 |
| Study on the prevention and control effect of HSAF for leaf diseases and early-defoliation |
| 投稿时间：2017-04-12 修订日期：2017-04-12 |
| DOI： |
| 中文关键词: HSAF 梨 叶部病害 早期落叶 防控 |
| 英文关键词:HSAF pear Leaf disease Early-defoliation Prevention and control |
| 基金项目: |
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| 中文摘要: |
| 以5年生翠冠梨为供试品种，以常规化学药剂与清水为对照，开展了HSAF防控梨叶部病害及早期落叶试验，结果表明：HSAF对梨叶部主要病害、早期落叶与返花返青具有一定防控作用，但其效果极显著差于常规化学药剂。8月中旬对梨炭疽病、梨褐斑病、梨黑斑病、梨斑点病的防效分别为28.21%、15.53%、68.32%、0.82%，仅为常规化学药剂的50.81%、20.53%、77.36%、1.89%；控制早期落叶、返花、返青效果分别为43.14%、39.4%、60.65%，仅为常规化学药剂的54.68%、40.29%、62.17%，至10上旬落叶率、返花率与清水对照已无明显差异。 |
| 英文摘要: |
| To study the control effect of leaf diseases and early-defoliation by HSAF comparing with conventional chemical agents and water, 5 years old ‘Cuiguan’ pear were used as materials. The result showed that the HASF agent could play a certain role in controlling leaf diseases, early-defoliation, reflorescence and refoliation, which were extremely significant lower than conventional chemicals. In the middle-Aug., the control effects of HSAF for anthracnose, brown patch, black spot, spot disease of pear was respectively 28.21%, 15.53%, 68.32% and 0.82%, which was only 50.81%, 20.53%, 77.36% and 1.89% of the effects of conventional chemicals. The control effects of HASF for early-defoliation, reflorescence and refoliation were 43.14%, 39.4% and 60.65%， which were 54.68%, 40.29% and 62.17% of that of conventional chemicals. And there were no significantly differences between the effects of HASF and water for the rates of defoliation and reflorescence in the beginning of October.
Key word：HSAF；pear；Leaf disease；Early-defoliation；Prevention and control |
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