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以来自中国东北地区帽儿山(45°20’N,127°30’E)、凉水(47°10’N,128°53’E)和加格达奇(50°24’N,124°07’E)的19年生红皮云杉种源试验林8个种源为材料,测定和分析了种源间高生长、径生长和材质性状(管胞长度、管胞直径、年轮宽度和木材密度)的遗传变异。结果表明:红皮云杉种源间在高生长和径生长上存在显著的差异,且这种差异随着树木年龄的增加具有不同的地理适应性。如帽儿山和凉水试验地种源的生长性状在10年生时与地理经度呈一定的正相关,当试验林达到15和19年生时种源的生长与纬度和海拔出现显著的相关性。此外,还发现红皮云杉材质性状在种源间也存在显著变异。种源生长与材质性状间存在一定的相关关系,如种源的高径生长与管胞直径和年轮宽之间存在正相关,而与管胞壁厚和木材密度之间却存在一定程度的负相关。最后对以上生长与材质性状种源间的遗传表现进行了探讨,目的是为今后红皮云杉单板与纸浆材综合选择提供更有用的信息。图1表6参6。
From the northeast of China, Maoershan (45 ° 20’N, 127 ° 30’E), cold water (47 ° 10’N, 128 ° 53’E) and Jiagedaqi (50 ° 24’N, 124 ° 07’E) were used as experimental materials. The results showed that there was no significant difference between the provenances in the provenances of the spruce Wood density) genetic variation. The results showed that there was a significant difference in the height growth and the diameter growth among the provenances of Picea koraiensis, and this difference had different geographical adaptability as the tree age increased. For example, the growth traits of provenances in Maoershan and Liangshui were positively correlated with the geographical longitudes at the age of 10 years, and there was a significant correlation between the growth of the provenances and latitude and altitude when the experimental forests reached 15th and 19th years. In addition, it was also found that the material properties of Picea koraiensis were also significantly different among provenances. There is a certain correlation between provenances growth and material traits. For example, there is a positive correlation between the diameter growth and the tracheid diameter and annual ring width of seed germplasm. However, there is a certain degree of correlation between tracheid wall thickness and wood density Negative correlation. Finally, the genetic performance of the above provenances and material traits was discussed in order to provide more useful information for the future comprehensive selection of red spruce veneer and pulpwood. Figure 1 Table 6 参 6.