CAJ | 학술논문

在自然发病情况下，连续2年对168份枇杷种质资源叶斑病的发病情况进行调查，结果表明，供试的枇杷种质资源病情指数为3．8～47．6。依据病情指数，采用聚类分析法将其抗性分为5类：8份资源表现为高抗，分别是木罗枇杷、大毛枇杷、栎叶枇杷、卓南1号、荔枝枇杷、龙早1号、塘头3号和港口11号，24份表现为抗病，82份表现为中抗，52份表现为感病，森尾早生和香城4号2份资源表现为高感。对不同抗病类型种质的叶片气孔特征与其抗性的相关性进行分析表明，枇杷叶下表皮气孔密度和大小均与其抗性无显著相关。
재자연발병정황하，련속2년대168빈비파충질자원협반병적발병정황진행조사，결과표명，공시적비파충질자원병정지수위3．8～47．6。의거병정지수，채용취류분석법장기항성분위5류：8빈자원표현위고항，분별시목라비파、대모비파、력협비파、탁남1호、려지비파、룡조1호、당두3호화항구11호，24빈표현위항병，82빈표현위중항，52빈표현위감병，삼미조생화향성4호2빈자원표현위고감。대불동항병류형충질적협편기공특정여기항성적상관성진행분석표명，비파협하표피기공밀도화대소균여기항성무현저상관。
Under field conditions,168 loquat germplasms were scrutinized for their resistance to leaf spot disease for two years.The disease indices were rated between 3.8 and 47.6,with which the germplasms were categorized by a clustering analysis into 5 groups.Eight of the 168 germplasms were highly resistant,24 resistant,82 medium resistant,52 susceptible and 2 highly susceptible.The 8 highly resistant loquats included Mu Luo,Da Mao, Qakleaf,Zhuo Nan 1 ,Li Zhi,Long Zao 1,Tang Tou 3 and Gang Kou 11.The two highly susceptible germplasms were Sen Wei Zao Sheng and Xiang Cheng 4.There was no correlation found between the stomatal density or the size of lower epiderm and the resistance to leaf spot disease of the loquats.