Tolerance of pineapple cultivars to natural flowering induction in the state of Mato Grosso

Q3 Agricultural and Biological Sciences

Comunicata Scientiae Pub Date : 2024-01-31 DOI:10.14295/cs.v15.4108

Debora Sarana Ortolan Arantes, Willian Krause, Angélica Padilha de Freitas, Dayane Castro Silva, R. Dallacort, William Fenner

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引用次数: 0

Abstract

Natural flowering in pineapple crops can cause significant economic losses to growers, resulting in uneven fruiting, which hinders phytosanitary operations and the scaling of fruit harvest. The objective of this work was to evaluate the tolerance of eight pineapple cultivars to natural flowering induction in Tangara da Serra, Mato Grosso, Brazil. The cultivars BRS-Ajuba, BRS-Imperial, BRS-Vitoria, Gigante-de-Tarauaca, IAC-Fantastico, Jupi, Perola, and Smooth-Cayenne were evaluated. Planting was carried out in May of 2018, in a randomized block design, with five replications and 20 plants per plot. Plant height, D-leaf length, and percentage of induced plants were evaluated. The surveying period of plants naturally induced was between May and September 2019. In this period, the plants were between 12 and 16 months of age, with adequate D-leaf lengths and plant heights for the occurrence of flowering induction. There were days with night-time temperatures below 15 °C; the lowest photoperiod was in June. The cultivars Smooth-Cayenne, BRS-Imperial, and IAC-Fantastico were tolerant to the natural induction, which resulted in uneven fruiting, causing losses to growers.

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马托格罗索州菠萝栽培品种对自然诱导开花的耐受性

菠萝作物的自然开花会给种植者造成巨大的经济损失，导致结果不均匀，妨碍植物检疫工作和果实收获的规模化。这项工作的目的是评估巴西马托格罗索州 Tangara da Serra 的八个菠萝栽培品种对自然开花诱导的耐受性。接受评估的品种包括 BRS-Ajuba、BRS-Imperial、BRS-Vitoria、Gigante-de-Tarauaca、IAC-Fantastico、Jupi、Perola 和 Smooth-Cayenne。种植于 2018 年 5 月进行，采用随机区组设计，每小区五次重复，每次 20 株。对植株高度、D叶长度和诱导植株的百分比进行了评估。自然诱导植株的调查期为 2019 年 5 月至 9 月。在此期间，植株的龄期在 12 至 16 个月之间，D 叶长度和植株高度足以满足开花诱导的需要。有几天夜间温度低于 15 °C；最低光周期出现在 6 月份。种植品种 Smooth-Cayenne、BRS-Imperial 和 IAC-Fantastico 能够承受自然诱导，但自然诱导会导致结果不均匀，给种植者造成损失。

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来源期刊

Comunicata Scientiae Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： The Comunicata Scientiae journal edited by Campus “Profa Cinobelina Elvas” of Federal University of Piauí (Brazil) publishes original articles, scientific notes and review articles (when invited by the editorial board), which present significant importance for Agrarian and Environmental Sciences in Portuguese, Spanish and preferentially, in English.