Mapping European canker spatial pattern and disease progression in apples using GIS, Tasman, New Zealand

Q3 Agricultural and Biological Sciences

New Zealand Plant Protection Pub Date : 2019-07-27 DOI:10.30843/NZPP.2019.72.305

D. Iorio, M. Walter, E. Lantinga, H. Kerckhoffs, R. Campbell

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引用次数: 9

Abstract

European canker (EC), caused by Neonectria ditissima, is an important disease in apple-producing regions in New Zealand. In order to improve plant protection, Geographic Information Systems (GIS) can be used to map plant disease location and severity in agricultural settings. Data were compiled from apple growers in Tasman, New Zealand, to investigate EC distribution over 4 years, for the period 2015–2018. ArcGIS software, including the Spatial Analyst, Interpolation and Geospatial statistics toolboxes, was used to map EC incidence at the spatial scale of orchard blocks, which allowed the identification of disease hot-spots. A clustered spatial pattern of disease was detected every year and areas with higher risk of EC were identified within the region. The spatial patterns detected were related to disease pressure over time for different apple cultivars. The use of GIS provides a platform for analysing and visually communicating disease patterns over time. Investigating disease spatial pattern allows the inference of spatial processes and further hypothesis generation to understand the pathogen.

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利用GIS绘制欧洲苹果溃疡病的空间格局和疾病进展，塔斯曼，新西兰

欧洲溃疡病(European canker, EC)是新西兰苹果产区的一种重要病害。为了改善植物保护，地理信息系统(GIS)可用于绘制农业环境中植物病害的位置和严重程度。研究人员从新西兰塔斯曼的苹果种植者那里收集了数据，调查了2015年至2018年4年间EC的分布情况。利用ArcGIS软件，包括空间分析、插值和地理空间统计工具，绘制果园小区空间尺度上的EC发病率图，识别病害热点。每年都检测到疾病的聚集性空间模式，并在该区域内确定了欧共体风险较高的地区。在不同的苹果品种中，所检测到的空间格局与病害压力随时间的变化有关。地理信息系统的使用提供了一个平台，可以分析和直观地传达一段时间内的疾病模式。研究疾病的空间模式可以对空间过程进行推断，并进一步产生假设，以了解病原体。

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来源期刊

New Zealand Plant Protection Agricultural and Biological Sciences-Insect Science

CiteScore

1.10

自引率

0.00%

发文量

期刊介绍： New Zealand Plant Protection is the journal of the New Zealand Plant Protection Society. It publishes original research papers on all aspects of biology, ecology and control of weeds, vertebrate and invertebrate pests, and pathogens and beneficial micro-organisms in agriculture, horticulture, forestry and natural ecosystems of relevance to New Zealand.