PJB-2023-166
EFFECT OF SULFUR AND BORON ON YIELD AND YIELD COMPONENTS OF SUNFLOWER
islam nabi
Abstract
A field experiment on sulphur and boron's effects on sunflower yield and yield components was carried out in 2022 at Amir Muhammad Khan Campus Agronomy Research Farm, The University of Agriculture Peshawar. Sulfur (S) had four levels, and boron (B) had four levels (B). A randomized complete block design with three replicates and two sets of factors was used for the experiment (RCBD). We repeated the experiments in each data set on 16 plots, including a control plot and an independent experimental unit. The seedbed for the sunflower seeds has been carefully prepared. All treatments will receive the same agronomic attention throughout the experiment. A total of 36 experimental plots will be examined in this study. The plot measured six by two meters and was divided into four equal rows. Plants and rows will be separated by 25 cm and 75 cm, respectively. The results showed that the sulphur (S) and boron (B) treatments significantly affected most of the parameters. Shorter emergence times (10.00), more plants (5.83 m-2), leaves per plant (16.96), a taller plant (156.66 cm), seeds per head (659), grammes per thousand seeds (60.39), grammes per head (58.55), harvest index (25.0%), and oil content (35.38%) were all results of the application of S4 (30 kg ha-1). Shorter emergence times (10.06 days), more plants (5.92 m-2), leaves per plant (15.64), higher plant height (153.73 cm), more seeds per head (635), more head weight (58.74 grammes), higher grain yield (1076.61 kg ha-1), higher biological yield (4310.4 kg ha-1), a lower harvest index (25.50%), and higher oil content (34.11%) were all effects of adding boron. According to the data presented here, sunflowers grown in the typical agricultural climate of Peshawar can benefit from the application of 30 kilograms per hectare of sulphur and 12 kilograms per hectare of boron to increase growth and yield.
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