Page 205 - AJWEP-22-5

Foliar nutrient effects on eggplant cultivars

control Barcelona cultivar recorded the lowest mean of Additionally, the 9 g/L Kinglife had the highest mean of
0.061 mg/kg, while the Jawaher type treated with 9 g/L 6.40 mg/kg, whereas the Al-Nibras control treatment had
Al-Nibras/Kinglife had a higher mean of 0.127 mg/kg. the lowest mean of 3.00 mg/kg. For overall interactions,
Regarding the fertilizer type and spray concentrations the Jawaher cultivar that received Al-Nibras control
interaction effect, the least average Cu accumulation treatment had the lowest average value (3.11 mg/kg),
of 0.051 mg/kg was observed in the Al-Nibras control while the average value for the Jawaher cultivar that
treatment across cultivars, while the highest was received 9 g/L Kinglife was 6.78 mg/kg.
observed in 9 g/L Kinglife with an average value of 0.160
mg/kg. This suggests a substantial interaction between 3.6. Zinc availability
the spray concentration and the fertilizer type. In terms A striking difference in zinc levels can be seen in Figure
of overall interaction, the Jawaher variety treated with 7. The Jawaher variety had a higher average (1.29 mg/
9 g/L Kinglife had the highest mean of 0.190 mg/kg, kg) than that of the Barcelona variety (0.71 mg/kg).
compared to the 0.046 mg/kg in the Jawaher variety With regard to the type of fertilizer, Kinglife (2.26 mg/
treated with the Al-Nibras control treatment. kg) was higher than Al-Nibras (0.50 mg/kg), indicating
an extraordinary effect. In respect of spray concentration,
3.5. Iron availability the untreated control had the lowest average (0.84 mg/
Figure 6 emphasizes a clear difference between the kg) across cultivar and fertilizer types, compared to the
Barcelona cultivar (with an average iron concentration highest average of 1.68 mg/kg in the 9 g/L Al-Nibras/
of 3.69 mg/kg) and the Jawaher cultivar (5.73 mg/kg). Kinglife spray treatment, showing the potency of
A remarkable impact was observed based on the type of fertilizer. Considering the cultivar type and fertilizer
fertilization, where Kinglife had a higher mean of 5.80 type, the highest mean value of 2.73 mg/kg was obtained
mg/kg and 3.90 mg/kg for Al-Nibras. With respect to in the Jawaher cultivar treated with 3, 6, and 9 g/L
spray concentrations, the control treatment recorded the Kinglife, while the lowest mean value of 0.31 mg/kg was
lowest mean iron level of 3.88 mg/kg across cultivars, recorded in the Jawaher cultivar treated with Al-Nibras.
and the 9 g/L dosage recorded 5.04 mg/kg. In addition, These results show substantial interaction between the
the interaction effects between cultivar type and fertilizer cultivar type and the type of fertilizer. Moreover, marked
type indicate that the treatment of Jawaher cultivar with differences were observed in the interaction between
Kinglife had the highest mean (6.45 mg/kg) across the cultivar type and spray concentration: the control
3, 6, and 9 g/L concentrations, while the treatment of treatment showed the lowest mean for the Barcelona
Jawaher cultivar with Al-Nibras had the lowest mean cultivar (0.75 mg/kg), while the Jawaher cultivar treated
value (3.15 mg/kg). Moreover, for the interaction effect with 9 g/L Al-Nibras/Kinglife recorded the highest mean
of cultivar type and spray concentration, there were value (1.79 mg/kg). As for the type of fertilizer and the
remarkable variations: the Jawaher cultivar treated spray concentration, the 9 g/L Kinglife gave the highest
with 9 g/L Al-Nibras/Kinglife had the highest average mean value (2.53 mg/kg), while the Al-Nibras control
(5.00 mg/kg), while the Barcelona cultivar with the treatment gave the lowest value (0.46 mg/kg), showing
control treatment had the lowest average (3.69 mg/kg). a striking effect in the interaction between the type of

Figure 6. Effects of cultivar type, fertilizer type, and Figure 7. Effects of cultivar type, fertilizer type, and
spray concentration on iron concentration in the soil spray concentration on zinc concentration in the soil

Volume 22 Issue 5 (2025) 199 doi: 10.36922/AJWEP025170130