Hassanzadeh, S., Esfahani, M., Aalami, A. (2025). Effect of sowing date, planting pattern and foliar application of boron on seed yield of local beans (Phaseolus vulgaris L.) of Guilan province, Iran. , (), -. doi: 10.22067/ijpr.2025.92223.1107
Saleh Hassanzadeh; Masoud Esfahani; Ali Aalami. "Effect of sowing date, planting pattern and foliar application of boron on seed yield of local beans (Phaseolus vulgaris L.) of Guilan province, Iran". , , , 2025, -. doi: 10.22067/ijpr.2025.92223.1107
Hassanzadeh, S., Esfahani, M., Aalami, A. (2025). 'Effect of sowing date, planting pattern and foliar application of boron on seed yield of local beans (Phaseolus vulgaris L.) of Guilan province, Iran', , (), pp. -. doi: 10.22067/ijpr.2025.92223.1107
Hassanzadeh, S., Esfahani, M., Aalami, A. Effect of sowing date, planting pattern and foliar application of boron on seed yield of local beans (Phaseolus vulgaris L.) of Guilan province, Iran. , 2025; (): -. doi: 10.22067/ijpr.2025.92223.1107
Effect of sowing date, planting pattern and foliar application of boron on seed yield of local beans (Phaseolus vulgaris L.) of Guilan province, Iran
1Department of Agriculture and Plant Breeding, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
2Department of Agronomy and Plant Breeding,, Faculty of Agricultural Sciences,, University of Guilan, Rasht,, Iran
3Department of Biotechnology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
Abstract
This research was conducted as a factorial experiment in the form of a randomized complete block design with four replications during the spring and summer of 2023 in Lahijan city, Iran. The factors included sowing patterns at three levels: rectangle pattern (20×31 cm), rhombus (23×27 cm), and square (25×25 cm), with a constant density. foliar application of boron at a concentration of 0.1% and no boron application. These were evaluated in two experiments conducted on April 25th (spring) and August 29th (summer). The results showed that seed yield at the spring sowing date averaged 348.3 g·m⁻², which was significantly higher than the summer sowing date average of 204.0 g·m⁻² (a 41% increase). Boron foliar application also significantly increased seed yield, with an average of 307.9 g·m⁻² compared to 244.5 g·m⁻² without boron (a 20% increase). However, sowing patterns had no significant effect on seed yield. The components of seed yield, including the number of pods per plant and 100-seed weight, were higher at the spring sowing date, with averages of 15.6 pods and 42.8 g, respectively. These values represented increases of 37% and 6%, respectively, compared to the summer sowing date. Boron foliar application also resulted in a 16% increase in the number of pods per plant and a 5% increase in 100-seed weight, with averages of 13.8 pods and 42.6 g, respectively, compared to no boron application. Additionally, the square sowing pattern achieved a higher 100-seed weight, averaging 41.8 g, compared to the rhombus and rectangle sowing patterns.
