Kirkuk University Journal for Agricultural Sciences (KUJAS)

Response of broccoli variety Matsuri to treatment with different concentrations of some microelements (manganese and molybdenum)

https://doi.org/10.58928/ku26.17101
Volume 17, Issue 1
Winter 2026
Page 1-9
Kirkuk University Journal for Agricultural Sciences (KUJAS)

Document Type : Research Paper

Authors

Muhanad A. Ahmad 1
Badran Agha 1
Fathel Ibraheem 1
Faris Al-Zuhairi 2
Zakaria Fouad Fawzy 3

1 Department of Horticulture and Landscape Design, College of Agriculture and Forestry, University of Mosul, Mosul, Iraq.

2 Department of Desertification Control Technologies College of Agricultural Technology, Northern Technical University, Mosul, Iraq.

3 National Research Centre

Abstract
To evaluate the effect of foliar application of manganese and molybdenum at various levels on the growth and yield of broccoli (Brassica oleracea var. italica) The experiment laid out over the growing season 2024–2025, the vegetables field site of the University of Mosul. Matsuri cultivar. This experiment consisted of three concentrations of manganese (0, 75, and 150 mg L −1) and three concentrations of molybdenum (0, 25, and 50 mg L −1). Periodicity of foliar spray was at three levels (1st spray: one month after germination, 2nd and 3rd spray) every 20 days interval thereafter. The experiment with nine treatment combinations was carried out in a randomized complete block design (RCBD) with three replications. All data collected were subjected to respective statistical analyses in accordance with the experimental design, and means of treatment were compared by Duncan's multiple range test at 5 % level of significance. Results showed that manganese foliar spray at 150 mg L⁻¹ had a significant positive effect on majority of the studied traits, including plant height, numbers of leaves, leaf area, total leaf area leaf, dry matter content, chlorophyll content, head diameter, No. and yield of lateral florets. Similarly, manganese at 75 mg L⁻¹ significantly improved main head weight and yield, lateral floret weight, individual plant yield, and total yield and shortened the harvest interval of both primary and secondary heads. Application of molybdenum at 50 mg L⁻¹ was highly significant for most of the parameters such as, plant height, leaves/plant, leaf area per plant, dry matter, chlorophyll content, primary head weight and primary head diameter, number of lateral florets, total yield, cumulative yield per plant and time to harvest.

Keywords

Broccoli
manganese
molybdenum
Growth
Yield
Subjects
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