Studying the Effects of Tuber Size and Spacing between Plants on Growth and Yield of Potato (Solanum tuberosum L.)

Mangal Saifullah, Abid Hakimullah, Bihroz Moula Khan, Atif Mudir
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Abstract

A field experiment was carried out to investigate the impact of different plant spacings and tuber sizes on the growth and yield of potatoes (Solanum tuberosum L.). Four tuber sizes (10-20 g, 20-30 g, 30-40 g, and 40-50 g) and three plant spacings (60 x 15 cm, 60 x 30 cm, and 60 x 45 cm) were examined. The study found significant effects of both plant spacing and tuber size on various growth and yield parameters. Increasing plant spacing generally led to increased shoot growth and tuber weight per plant but decreased plant height and overall tuber yield. Similarly, larger tuber sizes were associated with higher emergence rates and yields. The 'Desiree' potato variety showed the highest total tuber yield (62.363 t/ha) when planted with 40–50 g tubers at a spacing of 60 x 15 cm, followed by a yield of 41.136 t/ha with 30–40 g tubers at a spacing of 60 x 30 cm. Optimal production was achieved with a spacing of 60 x 15 cm, and using 40–50 g tubers resulted in the highest yield.
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研究块茎大小和株距对马铃薯(Solanum tuberosum L.)生长和产量的影响
为了研究不同株距和块茎大小对马铃薯(Solanum tuberosum L.)生长和产量的影响,我们进行了一项田间试验。研究了四种块茎大小(10-20 克、20-30 克、30-40 克和 40-50 克)和三种株行距(60 x 15 厘米、60 x 30 厘米和 60 x 45 厘米)。研究发现,株距和块茎大小对各种生长和产量参数都有明显影响。增加株行距通常会提高植株的生长速度和块茎单重,但会降低植株高度和块茎总产量。同样,块茎越大,出苗率和产量越高。以 60 x 15 厘米的株行距种植 40-50 克块茎的马铃薯品种 "Desiree",块茎总产量最高(62.363 吨/公顷),其次是以 60 x 30 厘米的株行距种植 30-40 克块茎的品种,产量为 41.136 吨/公顷。行距为 60 x 15 厘米时产量最佳,使用 40-50 克块茎时产量最高。
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