COBALT AS SENESCENCE RETARDANT IN POSTHARVEST OF ORIENTAL HYBRID Lilium

Autor:	Luis Alonso Valdez-Aguilar, Manuel Mandujano-Piña, Ma. Teresa Colinas-León, Irán Alia-Tejacal, Ana María Castillo-González
Rok vydání:	2012
Předmět:	Preservative Sucrose Lilium biology Chemistry Potassium Vase life chemistry.chemical_element Plant Science Cut flowers Horticulture biology.organism_classification chemistry.chemical_compound Botany Postharvest Completely randomized design
Zdroj:	Revista Chapingo Serie Horticultura. :239-252
ISSN:	2007-4034 1027-152X
DOI:	10.5154/r.rchsh.2010.09.034
Popis:	The quality of cut flowers is affected due to long periods of exposure to warm temperatures, water stress and mechanical damages. Several studies have identified technical issues to prolong the life of cut flowers, standing out the use of preservative solutions which may also inhibit ethylene biosynthesis. Cobalt chloride (Co) effects on weight, consumption of solution, SPAD units in leaves, content of nitrogen, cobalt, potassium, calcium, magnesium and iron, and postharvest life in stems of 'Star Gazer' and 'Star Fighter' Oriental Hybrid Lilium were evaluated. Floral stems were obtained from Villa Guerrero, Estado de Mexico, and transported in dry conditions to the laboratory, where a 2 x 5 factorial experiment in a completely randomized design was conducted. Solutions containing sucrose as a carbon source at 4 % and the following Co concentrations: 0.0, 0.1, 0.2, 0.4 and 0.8 mM were used. This establishes that 0.1 and 0.2 mM Co delayed the symptoms of senescence in Lilium stems.
Databáze:	OpenAIRE
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