Variation in Susceptibility of Pine Species Seedlings with the Pine Wood Nematode, Bursaphelenchus xylophilus, in Greenhouse
2007
Woo, K.S. (Korea Forest Research Institute, Suwon, Republic of Korea), E-mail: [email protected] | Kim, Y.S. (Korea Forest Research Institute, Suwon, Republic of Korea) | Koo, Y.B. (Korea Forest Research Institute, Suwon, Republic of Korea) | Yeo, J.K. (Korea Forest Research Institute, Suwon, Republic of Korea) | Moon, Y.S. (Korea Forest Research Institute, Jinju, Republic of Korea)
We conducted an inoculation test using nine open-pollinated families of pine trees to evaluate their susceptibility and mortality in different densities of pine wood nematode. Three-year-old nine open-pollinated pine families were inoculated with Bursaphelenchus xylophilus at levels of 3,000, 5,000, and 7,000 nematodes/seedling in greenhouse. There were no distinct patterns in latent period among three densities of B. xylophilus in all families. Most families showed the first disease symptoms of needle discoloration within 12-15 days after inoculation.
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