[1]岳子石,宋晓斌*,王方,等. 3种抗性诱导剂诱导枣树抗缩果病的研究[J].西北林学院学报,2016,31(1):153-157.[doi:10.3969/j.issn.1001-7461.2016.01.27]
　YUE Zi-shi,SONG Xiao-bin*,WANG Fang,et al. Induction of Systemic Resistance against Jujube Fruit Shrinking Disease with Three Resistant Inducers[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2016,31(1):153-157.[doi:10.3969/j.issn.1001-7461.2016.01.27]
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 3种抗性诱导剂诱导枣树抗缩果病的研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第31卷
期数:
2016年第1期
页码:
153-157
栏目:
出版日期:
2016-01-31

文章信息/Info

Title:
 Induction of Systemic Resistance against Jujube Fruit Shrinking Disease with Three Resistant Inducers
文章编号:
1001-7461(2016)01-0153-05
作者:
 岳子石; 宋晓斌*; 王方; 张丹
 （西北农林科技大学 林学院，陕西 杨陵 712100）
Author(s):
 YUE Zi-shi; SONG Xiao-bin*; WANG Fang; ZHANG Dan
 (College of Forestry,Northwest A&F University,Yangling,Shaanxi 712100,China)
关键词:
 ; 枣; 药剂筛选; 抗性诱导; 可溶性蛋白; 过氧化物酶; 过氧化氢酶; 苯丙氨酸解氨酶
Keywords:
 ; jujube;  drug selection;  resistance reduction;  soluble protein;  peroxidase;  catalase;  phenyanine ammonialyase
分类号:
S665.1
DOI:
10.3969/j.issn.1001-7461.2016.01.27
文献标志码:
A
摘要:
 在田间选取感病品种七月鲜，分别叶面喷施抗性诱导剂水杨酸、草酸、壳聚糖（每种药剂设置4个浓度梯度），并于喷施后统计发病率，进行药剂筛选。对经筛选药剂处理过的样品采集叶片测定相关抗性指标：可溶性蛋白、过氧化物酶(POD)、过氧化氢酶（CAT）、苯丙氨酸解氨酶(PAL)4个抗性指标。结果表明：3种诱导剂均可诱导枣树增强植株对缩果病的抗性，壳聚糖对枣缩果病防效最为明显；最终筛选出3 mmol·L-1水杨酸、1 mmol·L-1草酸、500 mg·L-1壳聚糖3种药剂，对枣缩果病有较好的防治作用。感病品种七月鲜在诱导剂喷施之后引起枣叶片内可溶性蛋白、CAT和POD和PAL酶活性的显著增加，且均可在第3天达到最大值，说明这几个指标与抗病密切正相关，由此可推测出对感病品种七月鲜来说，可溶性蛋白、POD、CAT和PAL是与诱导抗性相关的生理生化物质。
Abstract:
 In order to improve the ability of resisting jujube fruit shrinking disease,resistance inducers of salicylic acid,oxalic acid and chitosan with different concentrations were sprayed on the leaves of susceptible cultivar-“Qiyuexian”.The controlling effects were detected by incidence of disease.Indices such as the content of soluble protein,peroxidase (POD),catalase (CAT),and phenyanine ammonialyase (PAl) were measured.The results showed that all the resistant inducers could increase the resistance of jujube,and applying potassium permanganate and chitosan had showing outstanding effect.Based on the above,500 mg·L-1 chitosan,3 mmol·L-1 salicylic acid,1 mmol·L-1 oxalic acid were selected out,which were more effective in controlling jujube fruit shrinking disease.For the susceptible cultivar-Qiyuexian,soluble protein,POD and CAT were in the higher levels than those of the control.Meanwhile,the activity of these enzymes could reach the maximum activities at the third day.The results showed that these physiological indices had the obvious positive correlation with the resistance of the jujube.Defense enzymes POD,CAT,PAL,soluble protein played important roles in inducing resistance to the jujube fruit shrinking disease of susceptible cultivars.

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备注/Memo

备注/Memo:
 收稿日期：2015-03-20修回日期：2015-05-19
基金项目：林业公益性行业科研专项（201104017）。
作者简介：岳子石，男，硕士研究生，研究方向：植物病理学。E-mail：flightprince@163.com
*通信作者：宋晓斌，男，副研究员，研究方向：森林病害及其防治。E-mail：sxb88@nwsuaf.edu.cn
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