Leś. Pr. Bad., 2009, Vol. 70 (4): 317–328.

Możliwości ochrony kasztanowca zwyczajnego Aesculus hippocastanum L. przed szrotówkiem kasztanowcowiaczkiem Cameraria ohridella Deschka et Dimic
Possibilities of protection of the horse-chestnut Aesculus hippocastanum L. against the horse chestnut leaf-miner Cameraria ohridella Deschka et Dimic

Barbara Głowacka, Sławomir Lipiński, Grzegorz Tarwacki
Instytut Badawczy Leśnictwa, Zakład Ochrony Lasu, ul. Braci Leśnej 3,
Sękocin Stary, 05-090 Raszyn, Fax +48 227200397, B.Glowacka@ibles.waw.pl

Abstract. Effectiveness of protection of the horse-chestnut against the horse chestnut leaf-miner Cameraria ohridella was evaluated using diflubenzuron and chlotianidine. Spraying of trees with water suspension of Dimilin 25 WP (0.05%) and Dimilin 480 SC (0.025%) during the first swarm of butterflies was found to protect horse-chestnuts effectively against damage throughout the growing season. Insecticide Apacz 50 WG containing chlotianidine when applied to the soil beneath the trees at a rate of 0.3–0.4 g/cm of stem circumference protects them against the horse chestnut leaf-miner for three growing seasons.

Key words: diflubenzuron, chlotianidine, Dimilin 25 WP, Dimilin 480 SC, Apacz 50 WG.