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首页> 外文期刊>Australian Journal of Crop Science >Quality of sweet potato cultivars planted harvested at different times of two seasons
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Quality of sweet potato cultivars planted harvested at different times of two seasons

机译：在两个季节的不同时间收获的种植的红薯品种的质量

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This study aimed at adapting harvest time of different potato cultivars in two seasons during the year. Two experiments were conducted: one in the rainy season and another in the dry period. Two production factors were studied in experiments using a split-plot design in a complete randomized block design. The first factor (including 3 sweet potato cultivars: ESAM 1, Paraná and M?e de Família) was assigned to the plots. The second factor (harvest time: 90, 105, 120, 135 and 150 days after planting) was assigned to the subplots. Soluble solids, total soluble sugars, starch content, pulp firmness, cooking time and vitamin C were assessed. The harvest after 150 days resulted in increased levels of soluble sugars, starch, and vitamin C in both growing seasons, compared to other harvests, demonstrating that tuberization does not depend on season. In addition, late harvesting increased the cooking times with all cultivars, especially those grown in the rainy season. In the dry season, cooking time was higher for cv. ESAM 1. Of the three sweet potato cultivars, cv. Parana presented the highest total amount of soluble sugars and vitamin C, as well as faster cooking time, while cv. ESAM 1 had the highest starch content, pulp firmness and the longest cooking time. The results suggest that Paraná and M?e de Família are feasible for the fresh market and ESAM 1 for industry, regardless of the season or harvest time. These cultivars offer growers flexibility when deciding on sweet potato crops for different purposes, i.e. fresh market or industry. Delaying the harvest of sweet potatoes until 150 days gives greater flexibility to producers in the semi-arid region of Brazil in relation to either fresh or the industrial market.
机译：这项研究旨在适应一年中两个季节中不同马铃薯品种的收获时间。进行了两个实验：一个在雨季，另一个在干旱期。在完全随机区组设计中，使用分裂图设计在实验中研究了两个生产要素。将第一个因素（包括3个甘薯品种：ESAM 1，Paraná和MéedeFamília）分配给该地块。第二个因素（收获时间：种植后90、105、120、135和150天）分配给子图。评估了可溶性固形物，总可溶性糖，淀粉含量，果肉硬度，蒸煮时间和维生素C。与其他收获相比，在150天后收获的两个生长季中，可溶性糖，淀粉和维生素C的含量均增加，这表明块茎不取决于季节。此外，收割较晚会增加所有品种的烹饪时间，尤其是在雨季种植的品种。在干旱季节，简历的烹饪时间更长。 ESAM 1.在三个甘薯品种中，cv。巴拉那展示了最高的可溶性糖和维生素C总量，以及更快的烹饪时间。 ESAM 1具有最高的淀粉含量，纸浆硬度和最长的烹饪时间。结果表明，无论季节或收获时间如何，巴拉那（Parana）和法米利亚大家庭（M？e deFamília）都可用于新鲜市场，而ESAM 1则可用于工业。这些品种在为不同目的（即新鲜市场或工业）决定地瓜作物时，为种植者提供了灵活性。将红薯的收获推迟到150天，相对于新鲜市场或工业市场，巴西半干旱地区的生产者具有更大的灵活性。

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