Physicochemical characterization of cantaloupe fertilized with various potassium sources

Q4 Agricultural and Biological Sciences

Agronomia Colombiana Pub Date : 2021-09-01 DOI:10.15446/agron.colomb.v39n3.95042

Anouschka Leonilda de Glint, Morgana Baptista Gimenes, A.L.V. Carmo, Vanessa Cury Galati, Alexsander Seleguini, Aluisio dos Santos Salustiano Gradella, Gabriel Pimenta do Nascimento, E. V. Van Cleef

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引用次数: 0

Abstract

The northeastern region of Brazil is responsible for 95% of the country’s total melon production and 97% of total exported melons. This is mainly due to the edaphoclimatic conditions and the technological packages employed in the country for fertilization strategies. The aim of this study was to evaluate the effects of topdressing potassium fertilizers associated or not with sowing fertilization with Ekosil™ on the physicochemical traits of cantaloupes. The study was conducted in a randomized complete block design, with a 4×2 factorial arrangement (topdressing potassium nitrate [PN], potassium chloride [PC], potassium sulfate [PS] and Ekosil™ [EK], with or without sowing fertilization with Ekosil™). The evaluated traits in the fruits were: fresh mass (FM), soluble solids content (SS), titratable acidity (TA), SS/TA ratio (RA) and pigment contents (chlorophyll [CL] and carotenoids [CA]). No effect of treatments was observed on pH, CL, and CA (P>0.05). Interaction of sowing and topdressing fertilization was observed for the other variables (P<0.005). The FM was greater for PC and EK with sowing fertilization with Ekosil™. Without Ekosil™, PS, PN and EK resulted in heavier fruits. The SS was greater for PS when using Ekosil™ and for PS and PC without sowing fertilization with Ekosil™. The PC and PN resulted in greater TA, and the RA was greater for PS. Under the edaphoclimatic conditions of the Pontal do Triângulo Mineiro region, topdressing fertilization with potassium sulfate, without sowing fertilization with Ekosil™, resulted in heavier and sweeter cantaloupes.

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不同钾源对哈密瓜理化特性的影响

巴西东北部地区的甜瓜产量占全国总量的95%，出口量占全国总量的97%。这主要是由于该国的气候条件和施肥战略所采用的成套技术。本研究的目的是评价与Ekosil™播肥配套或不配套追施钾肥对哈密瓜理化性状的影响。该研究采用随机完全区组设计，采用4×2因子排列(施施硝酸钾[PN]、氯化钾[PC]、硫酸钾[PS]和Ekosil™[EK]，施或不施Ekosil™施肥)。评价的果实性状为:鲜质量(FM)、可溶性固形物含量(SS)、可滴定酸度(TA)、SS/TA比(RA)和色素含量(叶绿素[CL]和类胡萝卜素[CA])。处理对pH、CL、CA无影响(P < 0.05)。播肥与追肥之间存在交互作用(P<0.005)。施用Ekosil™后，PC和EK的FM均较大。在不添加Ekosil™的情况下，PS、PN和EK的果实较重。使用Ekosil™时，PS的SS大于未施用Ekosil™的PS和PC。在Pontal do tringulo Mineiro地区的土壤气候条件下，施用硫酸钾而不施用Ekosil™，哈密瓜的果实更重、更甜。

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来源期刊

Agronomia Colombiana Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

25 weeks

期刊介绍： Agronomia Colombiana journal it is intended to transfer research results in different areas of tropical agronomy. Original unpublished papers are therefore accepted in the following areas: physiology, crop nutrition and fertilization, genetics and plant breeding, entomology, phytopathology, integrated crop protection, agro ecology, weed science, environmental management, geomatics, biometry, soils, water and irrigation, agroclimatology and climate change, post-harvest and agricultural industrialization, food technology, rural and agricultural entrepreneurial development, agrarian economy, and agricultural marketing (Published: Quarterly).