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Research article2004Peer reviewed

Potential for biological control of Botrytis cinerea in Pinus sylvestris seedlings

Capieau K, Stenlid J, Stenstrom E


Grey mould (Botrytis cinerea Pers.: Fr.) is the most common economically important fungal disease in Swedish forest nurseries. In tests in a growth room, foliage of predisposed (preinoculation incubation at 35degreesC for 4 days) Scots pine (Pinus sylvestris L.) seedlings was sprayed with suspensions containing Mycostop(R), Binab(R) TF. WP or GlioMix(R) at concentrations of 0.5, 1 or 0.5 g l(-1), respectively, and/or conidia of B. cinerea (10(6) spores ml(-1)). Binab and GlioMix reduced grey mould in needles by 94 and 92%, respectively, and were as effective as the fungicide Euparen(R) M 50 WG, while Mycostop reduced disease by 51%. In one trial in a forest nursery, Mycostop, Binab and GlioMix, each applied two and four times during the growing season, suppressed spontaneous B. cinerea infections in needles of first year container-grown P. sylvestris seedlings by 16-57%, and were as effective as recommended fungicidal sprays. It was concluded that biological control has potential to effectively suppress grey mould in seedlings in forest nurseries

Published in

Scandinavian Journal of Forest Research
2004, Volume: 19, number: 4, pages: 312-319