The influence of selected agricultural factors on yield and content of some components of welsh onion (Allium fistulosum L.) 'Sprint'
2013
Żurawik, Agnieszka | Jadczak, Dorota | Żurawik, Piotr
The influence of three factors: sowing date (l0th April, 25th April, 10th May), sowing rate (4, 6, and 8 kg × ha-1), and row spacing (20, 25, and 30 cm), on the quantity and quality of yield of Welsh onion 'Sprint' was examined in the experiment. The highest total and marketable yield were obtained when seeds were sown on 25th April. An increase in sowing rates resulted in a significant increase of yield. The highest total and marketable yield were obtained at a sowing rate of 8 kg × ha-1. However, significantly greater total and marketable yield were obtained at a row distance of 20 cm. Dry matter content in Welsh onion yield depended significantly on the sowing date and the part of the plant. Plants obtained from seeds sown on 10th May contained the highest content of dry matter. Significantly more dry matter was in the pseudostems than in the leaves of Welsh onion. However, higher L-ascorbic acid content was estimated in the leaves. Welsh onion obtained from the earliest sowing date (10th April) contained significantly the most reducing sugars. Welsh onion obtained from seeds sown on 25th April was characterized by the highest content of pyruvic acid.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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