CAJ | 학술논문

以粗枝云杉（ Picea asperata）为研究对象，在马厂梁人工云杉幼龄林内设立标准样地，每样地按云杉发病程度分别采集云杉针叶，测定其生理生化指标，同时对病害进行调查。结果表明：高海拔比低海拔地区发病严重。该地病原菌一般从3月份开始对云杉进行侵染。相关分析表明，发病期间，各防御酶系间协同效率低，云杉抗病能力弱；叶绿素a与叶绿素b质量分数变化趋势相反，叶绿素a先降后升，而叶绿素b先升后降。叶绿素（ a＋b）质量分数前期有所增加，但后期降至较低水平，已影响到针叶的光合能力。在健康与发病云杉针叶中，其叶绿素（ a/b）值变化差异明显，可作为云杉抗性鉴定的辅助指标。
이조지운삼（ Picea asperata）위연구대상，재마엄량인공운삼유령림내설립표준양지，매양지안운삼발병정도분별채집운삼침협，측정기생리생화지표，동시대병해진행조사。결과표명：고해발비저해발지구발병엄중。해지병원균일반종3월빈개시대운삼진행침염。상관분석표명，발병기간，각방어매계간협동효솔저，운삼항병능력약；협록소a여협록소b질량분수변화추세상반，협록소a선강후승，이협록소b선승후강。협록소（ a＋b）질량분수전기유소증가，단후기강지교저수평，이영향도침협적광합능력。재건강여발병운삼침협중，기협록소（ a/b）치변화차이명현，가작위운삼항성감정적보조지표。
In the sample plots of artificial Picea asperata young forest of Machangliang Forest Farm, we collected the needles at each degree according to the grade to measure physiological and biochemical indexes of the needles in laboratory and study the needle cast.The P.asperata had more serious disease at the higher altitude region than that at the lower.The average incidences and disease indexes of needle cast were 2 590-2 700 m ( 80.51%, 38.26) , 2 700-2 900 m ( 96.55%, 50.68) and 2 900-3 110 m ( 97.58%, 66.93) .The pathogen generally infected the spruce from Match.According to the correlation results, collaborative efficiency of defense enzyme was low in the infected plants, indicating a weak disease-resistant abili-ty.The content of chlorophyll a had a reverse trend with chlorophyll b.Chlorophyll a originally decreased and then rose while Chlorophyll b firstly increased and then fell.The total content of Chlorophyll a and Chlorophyll b rose at the early stage and then dropped.The chlorophyll a/b ratios with obvious difference in health and disease spruce needle can be used as the auxiliary index of spruce resistance appraisal.