Some morphological and bioecological characteristics of Iva xanthifolia (Nutt.)
2001
Milanova, S. (Plant Protection Institute, BG-2230 Kostinbrod (Bulgaria))
Iva xanthifolia is established for the first time in Bulgaria in the region of Kostinbrod in 1996.Some important peculiarity of the morphological characteristics of Iva xanthifolia and its biology for the ecological conditions of Bulgaria were studied.The results showed the following:the number of seeds per plant varies from 35692 to 50364, maximum 105000; the optimal soil depth requirements for emergence of seeds is 1-2 sm for the conditions of sandy loam soil and 1-3 sm for the chernozem smolitsa; a seasonal change in the germination of buried seeds as established; with increasing the rate of N nutrtion the plants produced significantly more fresh matter.
Mostrar más [+] Menos [-]Palabras clave de AGROVOC
Información bibliográfica
Este registro bibliográfico ha sido proporcionado por Institute of Agricultural Economics