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Background : In recent years, the demand for oriental cuisine has increased due to the increase of multicultural families and dietary changes, and Coriandrum sativum is also consumed steadily. Therefore, this study was conducted to establish the optimum planting density for high-quality seed production of Coriandrum sativum in order to increase the utilization of leafy vegetables and establish a foundation for production throughout the year through house cultivation
Methods and Results : This experiment was carried out from March to August 2017 at a house facility located in Namwon-si (500 m above sea level) in Jeollabuk-do. Seeds of Coriandrum sativum were sown on March 10, 2017 and planting density was set at 4 levels of 10 × 5 ㎝, 10 × 10 ㎝, 10 × 20 ㎝, and 10 × 30 ㎝. Seeds were harvested on August 2 and 142 days after sowing. Growth characteristics of C. sativum were investigated on May 16, 66 days after sowing. Plant height, leaf length and leaf width were good at 52.9 ㎝, 3.8 ㎝, and 4.1 ㎝ in planting density of 10 × 10 ㎝, respectively, but there was no statistically significant difference between treatments. As a result of examining the number of leaflets per plant, 20.9 leaves in 10 × 30 ㎝ treatment was the best and the difference was significant. The fresh weight of the overground part was the highest at 2,322 ㎏/10a in 10 × 10 ㎝ treatment. The total fresh weight of the overground and underground parts were 2,633 ㎏/10a and 2,572 ㎏/10a at 10 × 10 ㎝ and 10 × 20 ㎝, respectively. The total weight of seeds per treatment was the highest at 146 ㎏/10a at 10 × 10 ㎝ treatment, but the difference was not significant.
Conclusion : As a result of the experiment to determine the proper planting density, the growth characteristics and the total weight of seeds were good at 10 × 10 ㎝ treatment, but there was no statistically significant difference. Therefore, when C. sativum are cultivated for the purpose of seed production, the planting density of 10 × 30 ㎝ is considered to be the most appropriate for seed requirement and labor saving.
