湖南农业科学
湖南農業科學
호남농업과학
HUNAN AGRICULTURAL SCIENCES
2013年
15期
80-83
,共4页
辣椒%根结线虫%抗病性%育种
辣椒%根結線蟲%抗病性%育種
랄초%근결선충%항병성%육충
capsicum%root-knot nematode%disease resistance%breeding
对辣椒根结线虫病的危害及其近年来有关辣椒根结线虫病抗病性鉴定和抗病性研究等方面进行了综述，并对辣椒根结线虫病的抗性育种研究进行了展望。根结线虫主要危害辣椒根部，侵入辣椒后，在侧根上形成根结，破坏寄主对营养和水分的吸收能力；辣椒根结线虫病抗病性鉴定的首选方法是苗期接种法，抗感指标的分级主要有卵块指数、根瘤指数和繁殖系数等3种方法；辣椒的野生资源中存在许多抗线虫基因资源，目前至少发现了10个显性单基因控制辣椒对根结线虫的抗性。
對辣椒根結線蟲病的危害及其近年來有關辣椒根結線蟲病抗病性鑒定和抗病性研究等方麵進行瞭綜述，併對辣椒根結線蟲病的抗性育種研究進行瞭展望。根結線蟲主要危害辣椒根部，侵入辣椒後，在側根上形成根結，破壞寄主對營養和水分的吸收能力；辣椒根結線蟲病抗病性鑒定的首選方法是苗期接種法，抗感指標的分級主要有卵塊指數、根瘤指數和繁殖繫數等3種方法；辣椒的野生資源中存在許多抗線蟲基因資源，目前至少髮現瞭10箇顯性單基因控製辣椒對根結線蟲的抗性。
대랄초근결선충병적위해급기근년래유관랄초근결선충병항병성감정화항병성연구등방면진행료종술，병대랄초근결선충병적항성육충연구진행료전망。근결선충주요위해랄초근부，침입랄초후，재측근상형성근결，파배기주대영양화수분적흡수능력；랄초근결선충병항병성감정적수선방법시묘기접충법，항감지표적분급주요유란괴지수、근류지수화번식계수등3충방법；랄초적야생자원중존재허다항선충기인자원，목전지소발현료10개현성단기인공제랄초대근결선충적항성。
It summarized the damages of root-knot nematode of capsicum and the identification of disease resistance of capsicum to root-knot nematode in recent years. Moreover, the prospects of breeding capsicum varieties which resist to root-knot nematode were viewed. The root-knot nematode mainly damages the roots of capsicum, and it will form a root knot on lateral root when it invaded into capsicum, thereby damaging the absorbing ability of host plant to nutrition and water. The first choice for identifying disease resistance of capsicum to root-knot nematode is inoculation method in seedling stage, and the classification of anti-infective indexes mainly has three methods, including egg mass index, root nodule index and propagation coefficient. There are a lot of nematode resistant gene resources in wild capsicum resources, and at least 10 single dominant genes had been found to control the resistance of capsicum to root-knot nematode.
