1) systemic acquired resistance
系统获得抗性
1.
Increases in endogenous SA levels correlates with expression of defense genes and development of pathogen resistance,indicating that SA is required in the expession of systemic acquired resistance (SAR) but is not the only factor.
水杨酸 (SA)是植物的一种内源信号传导物质 ,外源SA能诱导植物防卫基因的表达并对病害产生部分保护效果 ;内源SA水平增加与防卫基因和抗病性发展一致 ,因此 ,SA是植物产生系统获得抗性 (SAR)必不可少的条件 ,但SA不是诱导SAR产生的唯一条件 ,SAR的产生是SA与其他物质共同作用的结果。
2.
oryzae (XOO) 75-1(avirulent),on induced systemic acquired resistance to XOO,metabolism of active oxygen species (AOS) in treated leaves and ultrastructure in leaves challenged by XOO 76-25(virulent).
为了阐明诱导因子诱导系统获得性抗性机制,研究了百草枯PQ,钛铁试剂Tiron和稻白叶枯菌弱毒株XOO75-1等诱导因子对稻白叶枯病的系统获得抗性、诱导叶活性氧代谢及挑战接种叶超微结构的影响。
3.
In order to study the ability of benzothiadiazole induced systemic acquired resistance in wheat against Blumeria graminis f.
说明BTH可以诱导小麦对白粉病产生系统获得抗性,并可用于田间白粉病防治。
3) systemic acquired resistance
系统获得性抗性
1.
Plant systemic acquired resistance to insect and a cross-talk between pathogen and insect resistance signal molecules;
植物对虫害的系统获得性抗性及抗虫与抗病信号途径间的相互作用
2.
One is systemic acquired resistance(SAR)which induced by plant pathogenic microorganism and connected with the signaling molecular salicylic acid(SA),the other is induced systemic resistance(ISR)which induced by nonpathogenic microorganism and connected with the signaling molecular jasmonic acid(JA).
综述了由植物病原菌和非病原性的根际促生菌诱导产生的两种植物系统抗性:系统获得性抗性(SAR)和系统诱导抗性(ISR),比较了两类系统抗性的诱导、信号分子和机理的异同点,阐述了信号分子水杨酸在系统获得性抗性诱导过程中的作用及茉莉酸和乙烯在系统诱导抗性产生过程中的作用。
3.
The Arabidopsis NPR1 gene plays an important role in activating various plant defense responses,including expression of the pathogenesis-related genes and systemic acquired resistance.
NPR1基因为植物抗病基因表达和系统获得性抗性中的一个关键基因。
5) Systemic acquired resistance
系统获得抗病性
1.
The research advances on plant systemic acquired resistance in recent years were introduced;the physiological and biochemical mechanisms were reviewed;and the characteristic of plant systemic acquired resistance(SAR),commercial inducers and the application of SAR in plant disease control were also elaborated in this article.
简述了近年来国内外植物系统获得抗病性的研究现状,对系统获得抗病性的生理生化机理进行了评价,并从系统获得抗病性的特征、商品化抗病诱导剂及获得抗病性在植物病害防治中的应用前景等方面进行了阐述。
2.
Elicitins,the small proteins secreted by Phytophthora and Pythium species,havebeen shown to induce a hypersensitive reaction and systemic acquired resistance in someplants.
激发素是一类由疫霉属 Phytophthora 等真菌分泌的,可诱导茄科、十字花科等植物过敏性反应和系统获得抗病性的蛋白类激发子。
6) systemic acquired resistance(SAR)
系统获得抗性(SAR)
补充资料：茶树抗性育种
茶树抗性育种
resistance breeding of tea plant
茶树抗性育种(resistanee breeding(，ftea plant)一种以选育杭性强的茶树新品种为主要目标的育种方法，包括抗病、杭虫以及抗早、杭寒等不利于茶树正常生长的外界因子的抵抗能力。中l月北方茶区里季多低湿干旱，冬季多低沮严寒，这个地区的茶树选种不仅要求优质高产，还必须有较好的耐旱和抗寒能力:中国南方茶区气候沮吸很润，利于某些病虫发生.所以在南部茶区必须l视茶树抗病和杭虫能力的育种。无沦南北茶区，都要咬视免疫品种的选育。 茶树抗性育种要从以下几个方面扮手:声“‘泛搜集国内外的抗源品种和野生种，建立抗病虫的种质库.利用现代化的人工气候，加速进行病虫人工诱发和鉴定:寻求茶树本身能抑制病虫生长的化学物质，并加以棋拟仿制;研究人工免疫和人造抗病性的技术等。但杭性与某些经济性状间存在着连锁关系.在育种目标日益全面要求下.在利用新类型亲本和新抗源时，必须密切注意它们带来的不良性状.打破抗性与不良性状的连锁.才能获得理想的结果。以西维时)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条