Zhang JunYang QingkaiWang ShouyiWang ShurongWang Hongwu.DYNAMICS OF TOTAL PHENOLICS OF RESISTANT SOYBEANS IN THEPROCESS OF RESISTING SOYBEAN CYST NEMATODE RACE3(SCN3)[J].Soybean Science,2002,21(01):71-74.[doi:10.11861/j.issn.1000-9841.2002.01.0071]
大豆抗SCN3 过程中总酚含量动态分析
- Title:
- DYNAMICS OF TOTAL PHENOLICS OF RESISTANT SOYBEANS IN THEPROCESS OF RESISTING SOYBEAN CYST NEMATODE RACE3(SCN3)
- 文章编号:
- 1000 -9841(2002)01 -0071 -04
- Keywords:
- Soybean ; Total phenolics ; Soybean cyst nematode
- 分类号:
- S 565.1
- 文献标志码:
- A
- 摘要:
- 大豆孢囊线虫(SCN)是大豆生产上的毁灭性病害之一, 土壤一经感染, 则极难防治。利用植物本身的抗性, 培育抗病品种是目前采用的最经济有效的控制措施。培育抗病品种首先要筛选和鉴定抗源材料。本研究采用抗感大豆孢囊线虫的野生、半野生、栽培大豆在接种和未接种大豆孢囊线虫3 号生理小种条件下总酚含量动态变化以揭示其抗SCN3 的生化机制。初步探讨了在SCN3侵染过程中, 抗源生化指标总酚的表达情况, 整个侵染期动态变化以及其与抗性关系, 目的在于揭示抗源品种抗病的内在规律。从而为抗SCN3 资源的筛选和鉴定及抗SCN3 育种提供理论依据, 为研究抗SCN3 的遗传提供参考。试验结果表明, 总酚可以作为鉴定SCN3 生化指标之一。鉴别SCN3 最佳时期为后期。
- Abstract:
- SCN3 is one of the most destruction diseases which is hard to cure when infected .Though effective ,i ts price and pollution makes chemical medicine unusable .The most ef fective and economical w ay as to use theresistance inherent in the plant .The fi rst step of cultivating resistant cultivar is the choosing and identify ing resistantgermplasm .Wild , semi -w ild and cult ivated resistant or suscept ible to SCN3 material is used in thisstudy .Total phenolicis is measured to SCN3 to determine the biochemical mechanism of SCN3 resistance .Theinvasion process discussed .The aim is to disclose to internal reg ularity of cultivar resistance , so to lay academicfoundat ion for choosing , identifying and cultivity SCN3 resistant material.The results show , total phenolicis isone of identifying biochemical indexes .The best identifying period is the later period .
参考文献/References:
1 颜清上, 王连铮, 陈品三.中国小黑豆抗源对大豆孢囊线虫4 号生理小种抗病的生化反应[ J].作物学报, 1997 , 23(5):529-537.
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备注/Memo
基金项目:国家自然科学基金重点项目(39730330).