Habitat use by crop pests and natural enemies in a Mediterranean vineyard agroecosystem

Shapira, Idan; Gavish‐Regev, Efrat; Sharon, Rakefet; Harari, Ally R.; Kishinevsky, Miriam; Keasar, Tamar

doi:10.1016/j.agee.2018.08.012

Cited by 34 publications

(32 citation statements)

References 50 publications

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“…Moreover, the interaction between habitat and month had no effect on parasitoid species composition. These findings differed from a previous study in northern Israel, where the interaction between habitat and month explained a large proportion of the variation [ 60 ]; and from a study of South African vineyards, where remnant natural patches were shown to support a high abundance and diversity of parasitoids, but spillover into adjacent vineyards was limited [ 61 ].…”

Section: Discussioncontrasting

confidence: 99%

“…Nevertheless, only a fraction of the parasitoids were sampled from the grape foliage. Similarly, Shapira et al [ 60 ] found a similar composition but a lower abundance of parasitoids on grape foliage than on herbaceous vegetation in vineyards in northern Israel. This may suggest the limited importance of these parasitoids for the biological control of vine-pests.…”

Section: Discussionmentioning

confidence: 77%

“…The parasitoid community included potential natural enemies of vineyard pests (e.g., moths, mealybugs, leafhoppers etc. ; see Table 3), which are known to cause damage in this region (personal communications with vineyard farmers) and in vineyards in other areas in Israel (Shapira et al, 2018). Interestingly, the dominant parasitoid species varied in their spatial and temporal distribution patterns.…”

Section: Discussionmentioning

confidence: 98%

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Parasitoid Abundance and Community Composition in Desert Vineyards and Their Adjacent Natural Habitats

Segoli

Kishinevsky

Rozenberg

et al. 2020

Insects

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Parasitoids are important natural enemies of many agricultural pests. Preserving natural habitats around agricultural fields may support parasitoid populations. However, the success of such an approach depends on the ability of parasitoids to utilize both crop and natural habitats. While these aspects have been studied extensively in temperate regions, very little is known about parasitoid communities in desert agroecosystems. We took one step in this direction by sampling parasitoids in six vineyards and their surrounding natural desert habitat in a hyper-arid region of the Negev Desert Highlands, Israel. We predicted that due to the high contrast in environmental conditions, parasitoid abundance and community composition would differ greatly between the crop and the natural desert habitats. We found that parasitoid abundance differed between the habitats; however, the exact distribution pattern depended on the time of year—with higher numbers of parasitoids in the natural habitat at the beginning of the vine growth season and higher numbers in the vineyard at the middle and end of the season. Although parasitoid community composition significantly differed between the vineyard and desert habitats, this only accounted for ~4% of the total variation. Overall, our results do not strongly support the notion of distinct parasitoid communities in the crop vs. the desert environment, suggesting that despite environmental contrasts, parasitoids may move between and utilize resources in both habitats.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionmentioning

confidence: 77%

Section: Discussionmentioning

confidence: 98%

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Parasitoid Abundance and Community Composition in Desert Vineyards and Their Adjacent Natural Habitats

Segoli

Kishinevsky

Rozenberg

et al. 2020

Insects

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“…A plausible explanation for the low abundance in the field centre is that the most abundant natural enemies were parasitoid wasps (Table ), which benefit from floral resources in the vegetation around the field and have low dispersion rates into the field centre (Landis, Wratten, & Gurr, 2000). Increasing non‐crop habitats, which provide important resources, within large fields may thus enhance pest control by parasitoids and increase yields (Shapira et al., 2018). Indeed, natural enemies responded to vegetation composition.…”

Section: Discussionmentioning

confidence: 99%

Experimental evidence of multiple ecosystem services and disservices provided by ecological intensification in Mediterranean agro‐ecosystems

Segre

Segoli

Carmel

et al. 2020

Journal of Applied Ecology

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1. Intensifying agricultural production in sustainable ways is pivotal to increasing food production while reducing environmental impacts. Ecological intensification is based on managing organisms that provide services underlying crop production to simultaneously intensify agricultural production and increase biodiversity. However, few studies address the interactions and trade-offs between biodiversity, multiple ecosystem services and crop production. 2. We experimentally quantified the effect of uncultivated field margins, a prominent practice of ecological intensification, on agricultural production, biodiversity, as well as on multiple ecosystem services and disservices, in an intensive Mediterranean agro-ecosystem. We used a split-plot design and sampled butterflies, rodent and arthropod pests, arthropod natural enemies (both parasitoids and predators), weeds, damage to crop and crop yield in different distances into the field in 3 tomato and 11 wheat crops along the growing season. 3. Field margins increased natural enemy densities, reduced pest-damage to crop and consequently increased yield in tomato crops. Notably, we found that pest

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“…The biodiversity of farmlands has significantly declined, which can be explained by the intensification of agricultural production [32][33][34]. In consequence, this decline may reduce the abundance of natural enemies and their effects on pest species [35][36][37][38].…”

Section: Benefits Of Growing Plants In Mixturesmentioning

confidence: 99%

Diversity of Species and the Occurrence and Development of a Specialized Pest Population—A Review Article

Wenda-Piesik

Piesik

2020

Agriculture

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The trophic interactions between plants and herbivorous insects are considered to be one of the primary relationships in the occurrence and development of specialized pest populations. Starting from the role of multicropping and the types of mixtures through the ecological benefits of intercropped plants, we explain the ecological conditions that contribute to the occurrence of pest populations. The dynamics of pest populations in crop occur in stages with the survival and development of pest in source of origin, invasion and distribution in crops, development and survival of the population, emigration to the another crop and (or) change of habitat. Possible effects of each stages are described based on the camouflage of visual effects, olfactory effects and reversal of feeding preferences. Fundamental theories of natural enemies and concentration of food resources have been explained to refer to the empirical data.

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Habitat use by crop pests and natural enemies in a Mediterranean vineyard agroecosystem

Cited by 34 publications

References 50 publications

Parasitoid Abundance and Community Composition in Desert Vineyards and Their Adjacent Natural Habitats

Parasitoid Abundance and Community Composition in Desert Vineyards and Their Adjacent Natural Habitats

Experimental evidence of multiple ecosystem services and disservices provided by ecological intensification in Mediterranean agro‐ecosystems

Diversity of Species and the Occurrence and Development of a Specialized Pest Population—A Review Article

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