ONION GENOTYPE SKILLS IN DIFFERENT PLANTING SYSTEMS

Ciencia Agricola Pub Date : 2019-09-29 DOI:10.28998/rca.v17i2.5281

G. Maciel, G. Marquez, A. S. Aguilar, I. F. Beloti, Igor M Alves, Maurício Pivetta Momesso

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引用次数: 2

Abstract

Currently, planting onion through seedling production is predominant in the state of Rio Grande do Sul. Thus, the present work aimed to evaluate the agronomic potential of new onion genotypes as a function of the planting system for this region. Eleven genotypes were evaluated, as follows: “commercial genotypes” Bola Precoce, Mulata, Sprint, Suprema and “pre-commercial genotypes” TE 201, TE 209, TE 216, TE 230, TE 242, TE 316 and TE 329, submitted to four planting systems: seedling production, seedling production with leaf pruning before transplanting, no-tillage manually planted at the definitive site and seedling production in trays. Treatments were arranged in an 11 x 4 factorial scheme (eleven genotypes and four planting systems). Although little practiced, the no-till system for onion cultivation for the northwestern region of Rio Grande do Sul can potentially be explored. Genotypes that best adapted to this system were: Bola Precoce, Suprema, Sprint, Mulata and TE 201. Comparatively, “commercial” genotypes showed an increase of 10.81 t ha-1 in relation to “pre-commercial” genotypes in the no-till system, proving the efficiency of this system.

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不同种植制度下洋葱基因型技术

目前，通过苗种生产种植洋葱在南巴西格兰德州占主导地位。因此，本工作旨在评估新洋葱基因型在该地区种植系统中的农艺潜力。对11个基因型进行了评估，其中“商业基因型”为Bola Precoce、Mulata、Sprint、Suprema，“预商业基因型”为TE 201、TE 209、TE 216、TE 230、TE 242、TE 316和TE 329，提交了4种种植系统:育苗、移栽前剪叶育苗、定点人工免耕和盘育苗。处理采用11 × 4因子方案(11个基因型和4种种植制度)。虽然实践很少，但在西南大德州西北地区，可以探索洋葱免耕栽培制度。最适合该系统的基因型为:Bola Precoce、Suprema、Sprint、Mulata和te201。相比之下，“商业化”基因型在免耕系统中比“预商业化”基因型增加了10.81 t hm -1，证明了该系统的效率。

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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Ciencia Agricola

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8 weeks