title: Effect of natural and artificial defoliation on concentration and composition of extractive substances in leaves of birch (Betula pendula Roth.): methods of analysis and results.
authors.affiliation: Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Division, Russian Academy of Sciences, pr. Akademika Lavrent'eva 9, Novosibirsk, 630090 Russia.
authors.forename: E E
authors.initials: EE
authors.lastname: Shults
authors.forename: S A
authors.initials: SA
authors.lastname: Bakhvalov
authors.forename: V V
authors.initials: VV
authors.lastname: Martem'yanov
authors.forename: T N
authors.initials: TN
authors.lastname: Petrova
authors.forename: M M
authors.initials: MM
authors.lastname: Shakirov
authors.forename: G A
authors.initials: GA
authors.lastname: Tolstikov
mesh_terms: D029662:Betula / Q000737:chemistry*; D013058:Mass Spectrometry; D010936:Plant Extracts / Q000032:analysis / Q000737:chemistry; D018515:Plant Leaves / Q000737:chemistry*
chemical_list: D010936:Plant Extracts