Powdery mildew

B Bankeraceae Bankeraceae B Barbatosphaeriaceae Barbatosphaeriaceae B Bare twig and unfruitfulness of apricot Cucumber green B Bark cracking of citrus Citrus spp. B Barley yellow dwarf Barley yellow B Barren stalks Low fertility B Basidiobolosis Basidiobolaceae B Basidiobolosis Basidiobolales B Basidiobolomycosis Basidiobolomycetes B Basidiobolomycosis Basidiobolomycota B Basidiobolomycosis Basidiobolomycotina B Basidiobolomycosis Basidiobolus B Basidiobolus ranarum Basidiobolus ranarum B Basidiodendron Basidiodendron B Basidiodendron caesiocinereum Basidiodendron caesiocinereum B Basidiomycota Basidiomycota B Basidiophora blight Basidiophora B Basidiophora downy mildew Basidiophora entospora B Basidioradulum Basidioradulum B Basidioradulum radula Basidioradulum radula B Batistia Batistia B Batistia annulipes Batistia annulipes B Batistiaceae Batistiaceae B Battarraea Battarraea B Battarraea phalloides Battarraea phalloides B Battarraea stevenii Battarraea stevenii B Bauhinus Bauhinus M Marginal scorch fungus Bauhinus marginalis B Bauhinus pustulatus Bauhinus pustulatus B Bean leafroll virus Bean leafroll B Bean yellow dwarf Bean yellow C Cowpea chlorotic mottle Cowpea chlorotic B Beauveria Beauveria B Beauveria bassiana Beauveria bassiana B Beauveria brongniartii Beauveria brongniartii B Beet yellows Beet chlorosis B Beet curly top Beet spp. B Beet latent rosette Unnamed rickettsia-like B Beet leaf curl Beet leaf B Beet mild yellowing Beet mild B Beet savoy Unknown pathogen B Beet western yellows Beet western B Beet yellows Beet yellow B Beet yellow vein Unidentified pathogen B Beet yellows Beet yellows B Beniowskia Beniowskia B Beniowskia sphaeroidea Beniowskia sphaeroidea B Black root rot Berkeleyomyces B Black root rot Berkeleyomyces basicola B Black root rot Berkeleyomyces rouxiae B Bertia Bertia B Bertia moriformis Bertia moriformis B Bertiaceae Bertiaceae B Beverwykella Beverwykella B Beverwykella cerebriformis Beverwykella cerebriformis B Beverwykella clathrata Beverwykella clathrata B Beverwykella pulmonaria Beverwykella pulmonaria B Biatorella canker Biatorella B Biatorella canker Biatorella rousselii B Biatorellaceae lichens Biatorellaceae