Abstract
The experiment was carried out in Diyala Governorate, Khalis District,
for the agricultural season 2021–2022 to study the effect of spraying with zinc,
calcium, and sorbitol alcohol on qualitative yield traits of the potato cultivar of
Arizona. The treatments of spraying zinc, calcium, and sorbitol individually on
potato plants significantly increased all studied traits, such as the percentage of
protein, dry matter, starch, total sugars, and total soluble solids (TSS%). The
treatments of sorbitol (10 g. L-1
) + Zn (200 mg. L-1
) + Ca (1 g. L-1
) gave the highest percentage of protein in the tubers, reaching 11.56% compared to the control
treatment of 8.106%, the treatments of sorbitol (10 g. L-1
) + Zn (0 mg. L-1
) + Ca
(0.5 g. L-1
) gave the highest percentage of dry matter in the tubers, reaching
18.69% compared to the control treatment of 11.88%, the treatments of sorbitol
(10 g. L-1
) + Zn (0 mg. L-1
) + Ca (0.5 g. L-1
) gave the highest percentage of starch
in the tubers, reaching 12.66% compared to the control treatment of 6.61%, the
treatments of the sorbitol (10 g. L-1
) + Zn (100 mg. L-1
) + Ca (0 g. L-1
) gave the
highest percentage of total soluble solids, reaching 6.203%. In contrast, the control treatment gave the lowest value, reaching 3.4130%; the treatments of sorbitol
(10 g. L-1
) + Zn (0 mg. L-1
) + Ca (1 g. L-1
) gave the highest percentage of total
sugars, reaching 3.547%, compared to the control treatment of 2.231%.
Keywords. Potato, zinc, calcium, sorbitol alcohol
Subject
Infectious Diseases,Applied Microbiology and Biotechnology,Epidemiology,Biotechnology
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