巴西阿拉戈斯西部不同季节生菜品种的农艺特性和品质

Pub Date : 2023-03-01 DOI:10.1590/1983-21252023v36n112rc
Dalbert de F. Pereira, T. R. D. Silva, Winandy. A. Freire, Ê. G. Souza, E. A. Cruz, R. M. Feitosa
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引用次数: 0

摘要

摘要:在巴西阿拉戈斯州腹地,在高温和光照条件下种植生菜,会导致早穗,降低产品质量。因此,这项工作的目的是评估巴西阿拉戈斯西部不同作物季节生菜品种的生产和收获后质量。采用随机分组实验设计,四次重复。处理包括生菜品种:巴巴·德维朗、辛德拉、埃尔巴、莫尼卡、索拉里斯和威尼兰达。除了巴巴·德维朗(Baba de Verão),冬季作物对植株直径更有利,他在两个季节的表现相似,在夏季表现突出。冬季作物在株高、茎径和新鲜物质产量方面表现更好,而夏季作物的叶片数量更多。品种Mônica的茎长较长,表明对早期雄穗的耐受性较低,因此,它不适合在该地区种植。品种Baba de Verão(Lisa组)的新鲜物质产量、单株叶数和茎径都较高,是阿拉戈斯西部最适宜种植的品种。Elba、Solaris和Veneranda是Crespa集团中脱颖而出的生菜品种。Baba de Verão是叶绿素a、b和总量表现最好的品种。品种Solaris的类胡萝卜素含量最高。冬季生长的植物叶绿素a和总含量、类胡萝卜素含量、pH值以及可溶性固形物(SS)与可滴定酸度(TA)的比值较高,而夏季生长的莴苣的SS和TA较高。
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Agronomic characteristics and quality of lettuce cultivars in different crop seasons in western Alagoas, Brazil
ABSTRACT Growing lettuce under high temperatures and light incidence, as in the Alagoas State hinterland, Brazil, induces early tasseling and decreases the quality of the product. Thus, the objective of this work was to evaluate the production and post-harvest quality of lettuce cultivars in different crop seasons in western Alagoas, Brazil. A randomized block experimental design was used, with four replications. The treatments consisted of lettuce cultivars: Baba-de-Verão, Cinderela, Elba, Mônica, Solaris, and Veneranda. The winter crop was more favorable for plant diameter, except for Baba-de-Verão, whose performance was similar in both seasons and stood out in the summer. The winter crop resulted in better performance in plant height, stem diameter, and fresh matter yield, whereas summer plants reached larger number of leaves. The cultivar Mônica presented longer stem length, denoting lower tolerance to early tasseling and, therefore, it is not indicated to be grown in the region. The cultivar Baba-de-Verão (Lisa group) reached higher fresh matter yield, number of leaves per plant, and stem diameter, and it was the most adequate cultivar to be grown in western Alagoas. Elba, Solaris, and Veneranda were the lettuce cultivars from the Crespa group that stood out. Baba-de-Verão was the cultivar that presented the best performance for chlorophyll a, b, and total. The cultivar Solaris presented the highest carotenoid contents. Plants grown in the winter reached higher chlorophyll a and total, carotenoid contents, pH, and soluble solid (SS) to titratable acidity (TA) ratio, whereas the lettuce grown in the summer had higher SS and TA.
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