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Enzymatic degradation of chitosan polymer with Pectinex Ultra SPL was used to obtain derivatives with biological potential as protective agents against Phytophthora parasitica nicotianae (Ppn) in… (More)
Abstract Enzymatic defense responses and protection against Phytophthora nicotianae were studied in tobacco plants treated with chitosan of different molecular weights (MW) and degrees of acetylation… (More)
Studies were carried out as part of the Agriculture Biotechnology program, to prepare and characterize chemically and biologically different chitosans obtained from Cuban lobster chitin. Chitosan… (More)
Resumen es: El tomate es la hortaliza que mas se consume en Cuba. La obtencion de posturas sanas y vigorosas es vital, para garantizar buenos rendimientos tanto en c...
Physico-chemical features of chitosan affect its biological activity on plants. In this work, the influence of chitosan molecular mass in potato ( Solanum tuberosum L.) yields was investigated. By… (More)
Oligosaccharins are potent biomolecules which activate defense responses and resistance in tobacco plants. However, it is not known the systemic behavior of defensive enzymes activated by these… (More)
Resumen es: En el trabajo se estudio, mediante un ensayo in vitro, la influencia de quitosana polimero y sus derivados parcialmente hidrolizados sobre diferentes var...