The effect of local and landscape variables on Mediterranean fruit fly dynamics in citrus orchards utilizing the ecoinformatics approach

Krasnov, Helena; Cohen, Yafit; Goldshtein, Eitan; Mendelsohn, O.; Silberstein, Miriam; Gazit, Yoav; Blank, Lior

doi:10.1007/s10340-018-1023-8

Cited by 16 publications

(32 citation statements)

References 62 publications

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“…During April, when the citrus is in the final stages of the harvest season and the grounds are not cleaned, (Krasnov et al, 2019) but pear is flowering, three times more marked sterile flies migrated to citrus from pear orchard, than did those from the citrus to the pear orchard, a difference that is statistically significantly. During August, citrus trees do not bear fruit but fruits are abundant on the pear trees, significantly more sterile flies moved to the pear orchards (Figure 8 and Table 2).…”

Section: Re Sultsmentioning

confidence: 86%

“…The agricultural system is complex and encompasses heterogeneous landscapes, which might also change over time due to crop rotation and other managerial activities. The influence of the availability of vital resources, such as hosts, has recently received attention for pest dynamics (Ben-Hamo et al, 2020;Blank et al, 2019;Goldshtein et al, 2020;Krasnov et al, 2019). Statistical and spatial analysis was used in several studies to forecast pest population dynamics in complex heterogeneous landscapes, (Ives et al, 2017;Ricci et al, 2009;Rusch et al, 2016;Tsafack et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…A three-year study by Israely et al, (1997) in northern Israel indicated that Medfly population dynamics were primarily driven by the sequential ripening of suitable hosts. Krasnov et al, (2019) analysed over 2000 citrus plots in Israel and found that Medfly populations were positively affected by the extent of deciduous orchards surrounding each citrus orchard. This study used the ecoinformatics approach, which is capable of examining the whole biological system by including a large number of factors (Michener & Jones, 2012;Rosenheim & Gratton, 2017;Rosenheim et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Empirical evidence of the mediterranean fruit fly movement between orchard types

Krasnov

Cohen

Goldshtein

et al. 2021

J Applied Entomology

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Understanding species movement in the agroecological system is an important theme in ecology. A mark-release-capture experiment was conducted to study the dispersion behaviour of the Mediterranean fruit fly, Ceratitis capitata (Wied.; Diptera: Tephritidae; Medfly) in northern Israel. Four pairs of pear and citrus orchards were selected for the field experiments. Sterile flies dyed with different colours were released in three seasons during 2015 and 2016, based on the phenological stages of the hosts. The total number of captured marked sterile flies per trap (FT) was approx 300 in both April and August. In November, FT values decreased by about 35% to approximately 200. The wild Medfly that were also captured showed an opposite trend, from an FT of 1.8 and 6.4 in April and August, respectively, to an FT of about 330 in November. Marked sterile flies were captured in both the release and the neighbouring orchard sites. We found that the Medfly migrates from pear to citrus orchards during spring and from citrus to pear during summer, when there are no fruit-bearing trees in the orchards. However, during November, when the wild Medfly population prevails in the area, a clear pattern of migration is hard to identify, perhaps because of a possible interaction with the wild fly's population.

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Section: Re Sultsmentioning

confidence: 86%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Empirical evidence of the mediterranean fruit fly movement between orchard types

Krasnov

Cohen

Goldshtein

et al. 2021

J Applied Entomology

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“…We used logistic regression in the framework of General Linear Models (GLMs). Multi-model inference based on Akaike's information criterion (AIC) was used to rank the importance of variables [47][48][49]. We used the package ''glmulti" to facilitate multi-model inference based on all first-order combinations of the variables on each scale (128 models for the climate variables, 8 models for the topographic variables, 1024 models for the soil variables, and 16 models for the stand characteristic variables) [50].…”

Section: Multivariatementioning

confidence: 99%

Factors Affecting the Distribution of Pine Pitch Canker in Northern Spain

Blank

Martín‐García

Bezos

et al. 2019

Forests

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Fusarium circinatum is the causal agent of pine pitch canker disease (PPC), affecting Pinus species and other conifers (i.e., Pseudotsuga menziesii (Mirb.) Franco.), forming resinous cankers on the main stem and branches and causing dieback in the terminal guide. This pathogen is spreading worldwide, causing economic losses by converting plantations into standing timber without any potential for future production. The disease was recently detected in Northern Spain in plantations of Pinus radiata and forest nurseries. The aim of the work reported here was to study the role of climatic and topographic variables, soil properties, and stand characteristics on PPC. For this purpose, we surveyed 50 pine stands in Cantabria and quantified the percentage of trees showing three symptoms in each stand: canker, defoliation, and dieback. We investigated the predictive power of 30 variables using generalized linear models and hierarchical partitioning. Both approaches yielded similar results. We found that the three symptoms correlated with different explanatory variables. In addition, more trees exhibited cankers in the proximity of the coast and the Basque Country. Additionally, our results showed that low canopy cover is related to a high level of the dieback symptom. Overall, this study highlights the important variables affecting the distribution of PPC in Cantabria.

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“…The temporal dynamics of the medfly have been extensively studied by season, and, to a lesser extent, on a daily basis. In seasonal studies, sampling largely relies on collecting male adults in trimedlure (TML; para-pheromone) traps, 2-4 times per month (Bekker et al, 2019;Duyck et al, 2006;Escudero-Colomar et al, 2008;Krasnov et al, 2018;Navarro-Llopis et al, 2014;Papadopoulos et al, 2001Papadopoulos et al, , 2013Pimentel et al, 2017;Sciarretta et al, 2018). In these studies, seasonal trends in medfly flight activity exhibited one or two peaks, primarily depending on climate (temperature, rainfall), host plants, fruit phenology and the trapping methodology used.…”

Section: Introductionmentioning

confidence: 99%

Long‐term automatic trap data reveal factors affecting diurnal flight patterns of the Mediterranean Fruit fly

Goldshtein

Gazit²,

Hetzroni

et al. 2021

J Applied Entomology

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Mediterranean Fruit Fly (medfly), Ceratitis capitata (Wiedemann), is considered to be one of the most destructive fruit insect pests throughout the world. In recent years, the temporal dynamics of the medfly have been extensively studied by season, and, to a lesser extent, on a daily basis. We exploited, for the first time, a sequential automatic medfly male trapping system, in combination with climate data, to characterize diel flight patterns of male medflies trapped. The process was carried out in four commercial citrus fields over three growing seasons. Results showed that throughout the year, medfly flight activity began 4-6 hr after sunrise and peaked up to 2 to 3 hr before sunset. Generalized additive models (GAM) of the 934 days sampled revealed that in the fall, the diurnal flight activity was unimodal, that is, it began increasing at noon, peaking in the afternoon. By contrast, in the spring and summer, the diurnal flight activity exhibited a bimodal pattern, decreasing at midday. GAMs also revealed that hour after sunrise and temperature influenced medfly captures, with the former the more dominant factor. Thus, photophase significantly impacted the medfly's diurnal flight activity in each season. This study demonstrated that automatic traps that timestamp each capture are a primary research tool in insect flight activity studies that contributes to understanding diurnal insect activity within the growing season.

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The effect of local and landscape variables on Mediterranean fruit fly dynamics in citrus orchards utilizing the ecoinformatics approach

Cited by 16 publications

References 62 publications

Empirical evidence of the mediterranean fruit fly movement between orchard types

Empirical evidence of the mediterranean fruit fly movement between orchard types

Factors Affecting the Distribution of Pine Pitch Canker in Northern Spain

Long‐term automatic trap data reveal factors affecting diurnal flight patterns of the Mediterranean Fruit fly

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