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Bulletin of UASVM Agriculture
Year: 2011  |  Volume: 68  |  Issue: 1  |  Page No.: 378 - 383

Results Regarding the Growing Marigold (Calendula Officinalis L.) in Climatic Conditions from Jucu, Cluj

Simona VAIDA, Leon Sorin MUNTEAN and Marcel M. DUDA    

Abstract: In the experimental field of UASVM Cluj-Napoca from Jucu we performed, between 2008-2010, a series of research on the behavior of eight varieties of marigold, in three conditions of soil fertilization with manure. The average yearly air temperature is 10.71 ° C Jucu in 2008, 11.12 ° C in 2009 and 11.21 ° C in 2010 and during the growing season (aprilie-sept.) of 17.70 ° C 19.07 ° C and 18, 08 ° C. In terms of rainfall, 2008 was very dry (less than 150 mm from the annual average), 2009 excessively dry (less than 250 mm annual average) and 2010 was very wet (83 mm more than the annual average). Climatic conditions were favorable to grow marigolds. A series of biometric measurements have been conducted on the eight varieties of marigold, such as waist measurement of the average plant, the production of flowers and drying efficiency, the correlation between average plant size and production. Average plant size in eight varieties of marigold, in 2008-2010 was between 67.44 and 84.78 cm. Production of fresh flowers was between 7400 and 8507 kg / ha. The biggest production of inflorescences was obtained from varieties of “Belezza del Pacifico”, “Cluj 2” and “Starsem 922”, with over 9.000 kg / ha of fresh flowers. Production of Marigold is strongly influenced by genotype and fertilization. The average yield of drying was 6 / 1. Between the average height of marigold plant and production there's a direct link. The increase of production is influenced by the average size of marigold plant.

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