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When the symptoms of powdery mildew had appeared, the rose bushes were sprayed 4 times at 7-day intervals with the fertilizer Solplant PK at a concentration 0.5%. The development of the disease symptoms on control plants progressed rapidly so that after 4 weeks they reached about 5.0 (more than 20% of the surface of the shoots were covered with mycelium). After 2 spray treatments, a significant inhibition...
W badaniach oceniano skuteczność fungicydów strobilurynowych Acanto 250 SC, Amistar 250 SC, Discus 500 WG, Signum 33 WG, Zato 50 WG oraz Score 250 EC (standard) w ochronie róż odmiany ‘Orinoko’ uprawianej pod osłonami przed Sphaerotheca pannosa var. rosae. Wymienione preparaty stosowano profilaktycznie lub interwencyjnie do 4-krotnego opryskiwania roślin. Badane preparaty strobilurynowe oraz Score...
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