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Formulation of Bacillus amyloliquefaciens B190 for Control of Lily Grey Mould ( Botrytis elliptica )
Author(s) -
Chiou A. L.,
Wu W. S.
Publication year - 2003
Publication title -
journal of phytopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 60
eISSN - 1439-0434
pISSN - 0931-1785
DOI - 10.1046/j.1439-0434.2003.00669.x
Subject(s) - bacillus amyloliquefaciens , calcium hydroxide , calcium carbonate , nuclear chemistry , horticulture , calcium nitrate , biology , ammonium , calcium , botany , chemistry , food science , organic chemistry , fermentation
Calcium hydroxide (0.1%) significantly increased the growth of Bacillus amyloliquefaciens B190, inhibited completely the germination of Botrytis elliptica , and decreased the disease severity caused by B. elliptica on lily. Spraying B. amyloliquefaciens B190 mixed with either 0.025% calcium hydroxide, 0.05% sodium carbonate or 0.025% ammonium nitrate decreased the grey mould disease on lily leaves. B. amyloliquefaciens B190 mixed with 0.025% calcium hydroxide and 0.05% sodium carbonate, or mixed with 0.025% calcium hydroxide and 0.025% ammonium nitrate controlled lily grey mould completely. When the concentration of tested adjuvants was below 0.1% (v/v), adhesive adjuvant, i.e. carboxymethyl cellulose and spreader, i.e. Tween 80 were equally effective to assist B. amyloliquefaciens B190 to control lily grey mould. Calcium hydroxide (0.025%) and 0.05% sodium carbonate mixed with 0.1% Tween 80 significantly controlled lily grey mould. B. amyloliquefaciens B190 mixed with 0.025% calcium hydroxide and 0.05% sodium carbonate, and these two chemicals plus or without 0.1% Tween 80 and 0.05% mineral oil (i.e. emulsion and wettable powder, respectively) was consistently able to control grey mould on lily as well as 100 p.p.m. flusilazole in greenhouse and field trials, respectively.