Effects of Planting Date and Field Type outweighed the Effect of Seed Origin on Ware Potato Yield

IF 2.3 3区 农林科学 Q1 AGRONOMY
Arie Pieter Paulus Ravensbergen, Chunmei Zou, Paul C. Struik, Pytrik Reidsma, Corné Kempenaar, Martin K. van Ittersum
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Abstract

Potato yields in the Netherlands are highly variable. Although variability in yield has previously been attributed to several crop management factors, part of the variability remains unexplained. It is hypothesized that part of this unexplained yield variability is influenced by seed potato origin, encompassing where and under what conditions seed potatoes have been cultivated. In this study, we investigated the effect of seed potato origin on crop characteristics and tuber yield in interaction with and in comparison to planting date and field type in a two-year on-farm experiment on a large-scale potato farm. We evaluated three different seed potato origins of the variety Fontane, three different planting dates (early, intermediate, late), and two different field types (wet rainfed and dry irrigated). Origin significantly affected the number of stems per plant and the number of tubers per stem in both years. This resulted in a significant effect of origin on the number of tubers per plant in the first year. In that year, the origin with the lowest number of tubers per plant also produced the highest yield of tubers larger than 50 mm. Despite these (small) effects of seed potato origin on crop characteristics, origin did not significantly affect gross and marketable yield. Moreover, there was no interaction between origin and planting date and/or field type. However, planting date and field type had a significant effect on yield. Ware potato yield in the wet rainfed field was up to 17 t ha−1 higher than in the dry irrigated field, and late planting resulted in a yield reduction of up to 10 t ha−1. We conclude that for maximizing ware potato yield of the variety Fontane in the Netherlands, the effects of planting date and field type outweighed the effects of seed tuber origin.

Abstract Image

种植日期和田地类型对马铃薯产量的影响大于种子产地的影响
荷兰的马铃薯产量变化很大。尽管以前曾将产量的变化归因于若干作物管理因素,但仍有部分变化原因不明。据推测,这种无法解释的产量变化部分受到马铃薯种薯来源的影响,包括马铃薯种薯的种植地点和条件。在本研究中,我们在一个大型马铃薯农场进行了为期两年的田间试验,调查了马铃薯原种对作物特性和块茎产量的影响,以及与种植日期和田地类型的相互作用和比较。我们评估了 Fontane 品种的三种不同种薯产地、三个不同的种植日期(早期、中期、晚期)和两种不同的田地类型(湿润雨水灌溉和干旱灌溉)。原产地对两年中每株马铃薯的茎数和每茎块茎数有明显影响。第一年,产地对每株块茎数有明显影响。当年,每株块茎数最少的原产地也产出了最大的块茎,块茎大于 50 毫米。尽管种薯原产地对作物特性有这些(微小的)影响,但原产地对总产量和可销售产量没有显著影响。此外,原产地与种植日期和/或田地类型之间没有相互作用。然而,种植日期和田块类型对产量有显著影响。湿润雨水灌溉田的马铃薯产量比干旱灌溉田高达 17 吨/公顷,晚种导致减产达 10 吨/公顷。我们的结论是,在荷兰,要使马铃薯品种 Fontane 的产量最大化,种植日期和田地类型的影响要大于块茎种子来源的影响。
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来源期刊
Potato Research
Potato Research AGRONOMY-
CiteScore
5.50
自引率
6.90%
发文量
66
审稿时长
>12 weeks
期刊介绍: Potato Research, the journal of the European Association for Potato Research (EAPR), promotes the exchange of information on all aspects of this fast-evolving global industry. It offers the latest developments in innovative research to scientists active in potato research. The journal includes authoritative coverage of new scientific developments, publishing original research and review papers on such topics as: Molecular sciences; Breeding; Physiology; Pathology; Nematology; Virology; Agronomy; Engineering and Utilization.
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