DIFFERENCES AMONG CAMIYANI BLACK PINE (PINUS NIGRA ARNOLD. SUBSP. PALLASIANA) CLONES IN SEED ORCHARD BECAUSE OF RHYACIONIA BUOLIANA (DEN. & SCHIFF) DAMAGES IN TURKEY

Abstract

This study examined the level of damage caused by pine shoot moth (Rhyacionia buoliana (Den. & Schiff) between 2014 and 2016 in the seed orchards of Camiyani Black Pine (Pinus nigra Arnold. subsp. pallasiana (Lamb.) Holmboe). When the variance analysis (ANOVA) was applied, and observations and counts of the seed orchard were evaluated, a statistically significant difference was found between the clones in terms of number of individuals affected by P < 0.001. When Duncan Range Test results were examined, 20 groups were formed in total, with a P < 0.05 confidence level in terms of the average number of individuals damaged by the pine shoot moth. In this respect, it was determined that the clones which had the highest damage in the seed orchard number 70, clones 21, 25, 26 and 29 were damage the most, while the clones that had the least amount of damage are clones 2, 6, 8 and 23. The differences in the average number of clones which the pine shoot moth damage were investigated. When the ANOVA results were examined, it was determined that there was a statistically significant difference in P < 0.001 confidence level between 2014, 2015 and 2016 in terms of the mean number of clones exposed to pine shoot moth damage. There was no significant difference between the blocks in terms of the mean number of clones which the pine shoot moth damaged. When the results of regression analysis were analyzed, strong relationships were found between clone and number of damaged individuals and the number of clones damaged by pine shoots for years.