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Relationship between source of water used for plant sprinkling and occurrence of Phytophthora shoot rot and tip blight in container-ornamental nurseries

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Orlikowski L. B.

Journal of Plant Protection Research

2006

tom 46

nr 2

163-168

Phytophthora citricola Sawada was detected from 3 water pools situated in 2 container- grown nurseries. The highest number of spots on rhododendron leaves were observed in June whereas the lowest in October. The use of water for plant sprinkling caused browning, yellowing of shoots and root rot of Buxus sempervirens, and blight of shoot tips of Thuja occidentalis and Rhododendron sp. The disease symptoms were observed already in June and the disease developed till the first decade of October. Losses caused by the species varied from 9 to 56%.

Ograniczanie wyników

1 Journal of Plant Protection Research

1 Orlikowski L. B.

1 2006

Wyniki wyszukiwania

Relationship between source of water used for plant sprinkling and occurrence of Phytophthora shoot rot and tip blight in container-ornamental nurseries