Articles
EFFECT OF DIFFERENT SEED RATES AND NITROGEN FERTILIZER ON YIELD AND YIELD COMPONENTS OF CALENDULA (CALENDULA OFFICINALIS)
Article number
997_4
Pages
43 – 50
Language
English
Abstract
Effect of plant density and nitrogen fertilizer on yield and yield components of calendula in split plot in the form of RCB design with four replications were studied.
Sub plot was three levels of seed rates (5, 10 and 15 kg/ha) and the main plot was three levels of nitrogen fertilizer (30, 60 and 90 kg/ha). Yield components parameters under study were; fresh flower weight, dried flower weight, fresh root weight, fresh stem weight, dried root weight, dried stem weight, plant height, dried seed weight, fresh biomass, dried biomass and harvest index.
Effect of nitrogen fertilizer was significant on dried and fresh weight of flower that the highest one obtained from 90 kg of N per hectare treatment.
Effect of sowing seed rate was significant on dried and fresh weight of the root being the highest one obtained from 15 kg of seed rate per hectare treatment.
Interaction of different seed rates and nitrogen fertilizer was significant for fresh root weight.
There were significant differences for means of dried seed weight and the highest one was obtained from 15 kg/ha seed rate with application of 60 kg/ha of N per hectare.
Sub plot was three levels of seed rates (5, 10 and 15 kg/ha) and the main plot was three levels of nitrogen fertilizer (30, 60 and 90 kg/ha). Yield components parameters under study were; fresh flower weight, dried flower weight, fresh root weight, fresh stem weight, dried root weight, dried stem weight, plant height, dried seed weight, fresh biomass, dried biomass and harvest index.
Effect of nitrogen fertilizer was significant on dried and fresh weight of flower that the highest one obtained from 90 kg of N per hectare treatment.
Effect of sowing seed rate was significant on dried and fresh weight of the root being the highest one obtained from 15 kg of seed rate per hectare treatment.
Interaction of different seed rates and nitrogen fertilizer was significant for fresh root weight.
There were significant differences for means of dried seed weight and the highest one was obtained from 15 kg/ha seed rate with application of 60 kg/ha of N per hectare.
Authors
A. Mollafilabi, H. Hosseini
Keywords
calendula, seed yield, flower yield
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