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
Autorzy
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Barbara Głowacka
Instytut Badawczy Leœnictwa, Zakład Ochrony Lasu, Sękocin Stary, ul. Braci Leśnej 3, 05-090 Raszyn
B.Glowacka@ibles.waw.pl - Sławomir Lipiński Instytut Badawczy Leśnictwa, Zakład Ochrony Lasu, ul. Braci Leśnej 3, Sękocin Stary, 05-090 Raszyn
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Grzegorz Tarwacki
Instytut Badawczy Leśnictwa, Zakład Ochrony Lasu, Sękocin Stary,
ul. Braci Leśnej 3, 05–090 Raszyn
Abstrakt
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.
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