Tuber yield and quality of potato processing cultivars submitted to nitrogen rates

IF 0.7 4区农林科学 Q4 HORTICULTURE

Horticultura Brasileira Pub Date : 2023-05-29 DOI:10.1590/s0102-0536-2023-e2562

Cleto Tamanini Junior, Leonardo Z Anderle, Lucas B de Souza, Leonardo Balena, João Pedro Malanchuk, Cinthia K de Matos, J. Kawakami

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Abstract

ABSTRACT Consumption of processed potatoes is increasing in Brazil. However, little information is available on the effect of nitrogen (N) rates on performance of potato cultivars developed in Brazil. The objective of this work was to evaluate yield and quality of tubers of potato processing cultivars, submitted to N rates at planting. Three field trials with eight treatments were conducted: two cultivars (Atlantic and BRSIPR Bel) and four N rates (0, 75, 150, and 225 kg/ha). Yield and quality of tubers were evaluated, as well as the post-frying absorbed oil content. Cultivar BRSIPR Bel showed higher total tuber yield (18% more) and commercial tuber yield (15% more) due to the production of higher number of tubers (29% more) compared to the cultivar Atlantic. On the other hand, Atlantic cultivar produced tubers with higher dry weight (22%) and lower oil absorption (38%). For both cultivars, the estimated N rate of 151 kg/ha resulted in the highest commercial tuber yield (diameter larger than 45 mm): 34.0 t/ha. For all studied variables there was no interaction between cultivar and N rate, concluding that the cultivars in this study (American and Brazilian origin) respond similarly to N rates.

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施氮量对马铃薯加工品种块茎产量和品质的影响

在巴西，加工土豆的消费量正在增加。然而，关于施氮量对巴西马铃薯品种生产性能影响的资料很少。本研究的目的是评价马铃薯加工品种在施氮条件下块茎的产量和品质。进行了3个大田试验，共8个处理:2个品种(Atlantic和BRSIPR Bel)和4个施氮量(0、75、150和225 kg/ha)。评价了油炸后块茎的收率和品质，并测定了油炸后块茎的吸油率。与Atlantic品种相比，BRSIPR Bel品种的块茎产量更高(高出18%)，商品块茎产量更高(高出15%)，因为块茎产量更高(高出29%)。另一方面，大西洋品种的块茎干重较高(22%)，吸油率较低(38%)。对于这两个品种，估计施氮量为151公斤/公顷的块茎产量最高(直径大于45毫米):34.0吨/公顷。在所有研究变量中，品种与N率之间没有交互作用，表明本研究中的品种(美国和巴西)对N率的反应相似。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Horticultura Brasileira 农林科学-园艺

CiteScore

1.40

自引率

28.60%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal Horticultura Brasileira, a quarterly journal, is the Official Publication of the Sociedade de Olericultura do Brasil. Its abbreviated title is Hortic. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.