Clonal variation in susceptibility to coneworms (Dioryctria spp.) in young loblolly pine seed orchards

Twenty-five loblolly pine seed orchards were examined for coneworm damage over a 3 year period. Eight of the twenty-five orchards were found to have significant clonal variation in coneworm infestation rates. Susceptibility among those eight orchards ranged from 0 to 67 percent infested cones. Infes...

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Veröffentlicht in:	Forest science 1985, Vol.31 (3), p.794-798
Hauptverfasser:	ASKEW, G. R, HEDDEN, R. L, DEBARR, G. L
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Biological and medical sciences Dioryctria Fundamental and applied biological sciences. Psychology Generalities Genetics and breeding of economic plants Pest animals Pest resistance Pinus Pyralidae Varietal selection. Specialized plant breeding, plant breeding aims
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