Management intensity affects insect pests and natural pest control on Arabica coffee in its native range

Shimales, Tamiru; Mendesil, Esayas; Zewdie, Beyene; Ayalew, Biruk; Hylander, Kristoffer; Tack, Ayco J. M.

doi:10.1111/1365-2664.14410

Cited by 5 publications

(4 citation statements)

References 69 publications

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“…Interestingly, the proportion of parasitized blotch miner larvae was found to be higher in complex smallholder farmers’ sites than in more simplified plantation coffee sites (Fig. 3a : top 71 ). While less often studied, pathogen species have—just like pest species—a wide range of natural enemies.…”

Section: Lesson 2: Explore the Mechanisms Underpinning Relationships ...mentioning

confidence: 96%

“…3a : top). Although coffee has many secondary substances in its tissues, presumably to counteract herbivores, pathogens and other negative interactions, it is still attacked by various species of herbivores including both specialists and generalists 70 , 71 . For example, several specialized moths attack the coffee leaves, of which the coffee blotch miner Leucoptera caffeina is the most abundant 72 .…”

Section: Lesson 2: Explore the Mechanisms Underpinning Relationships ...mentioning

confidence: 99%

“… a Three examples of cryptic top-down control agents on coffee pests in southwest Ethiopian coffee systems. Top: The parasitism rate of the coffee blotch miner is higher in semi-forest coffee types than in more intensively managed plantations 71 . Middle: A hyperparasite (white) supresses the growth of coffee leaf rust (orange) from the rainy to the dry season 73 .…”

Section: Lesson 2: Explore the Mechanisms Underpinning Relationships ...mentioning

confidence: 99%

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Lessons from Ethiopian coffee landscapes for global conservation in a post-wild world

Hylander,

Nemomissa,

Fischer

et al. 2024

Commun Biol

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The reality for conservation of biodiversity across our planet is that all ecosystems are modified by humans in some way or another. Thus, biodiversity conservation needs to be implemented in multifunctional landscapes. In this paper we use a fascinating coffee-dominated landscape in southwest Ethiopia as our lens to derive general lessons for biodiversity conservation in a post-wild world. Considering a hierarchy of scales from genes to multi-species interactions and social-ecological system contexts, we focus on (i) threats to the genetic diversity of crop wild relatives, (ii) the mechanisms behind trade-offs between biodiversity and agricultural yields, (iii) underexplored species interactions suppressing pest and disease levels, (iv) how the interactions of climate change and land-use change sometimes provide opportunities for restoration, and finally, (v) how to work closely with stakeholders to identify scenarios for sustainable development. The story on how the ecology and evolution of coffee within its indigenous distribution shape biodiversity conservation from genes to social-ecological systems can inspire us to view other landscapes with fresh eyes. The ubiquitous presence of human-nature interactions demands proactive, creative solutions to foster biodiversity conservation not only in remote protected areas but across entire landscapes inhabited by people.

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Section: Lesson 2: Explore the Mechanisms Underpinning Relationships ...mentioning

confidence: 96%

Section: Lesson 2: Explore the Mechanisms Underpinning Relationships ...mentioning

confidence: 99%

Section: Lesson 2: Explore the Mechanisms Underpinning Relationships ...mentioning

confidence: 99%

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Lessons from Ethiopian coffee landscapes for global conservation in a post-wild world

Hylander,

Nemomissa,

Fischer

et al. 2024

Commun Biol

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“…Functional plants refer to a category of plant species that possesses the ability to perform essential ecological functions within agricultural and forestry ecosystems. In recent years, nectar and pollen plants—as a specific type of functional plant—have garnered significant attention and interest [ 5 , 6 ]. These plants may serve as a source of pollen and nectar for prey, while simultaneously providing alternative food and shelter for natural enemy insects or pollinators [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Effects of Various Nectar and Pollen Plants on the Survival, Reproduction, and Predation of Neoseiulus bicaudus

Han,

Lipeizhong,

Liang

et al. 2024

Insects

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Neoseiulus bicaudus is a predatory mite species that could potentially be used for the biological control of spider mites and thrips. Floral resources can provide excellent habitats and abundant nutrients for natural enemies. The objective of this experiment was to evaluate the effects of eight floral resources on the longevity, fecundity, and predation ability of N. bicaudus. Among the considered plants, Cnidium monnieri led to the highest longevity (24 days) and fecundity (13.8 eggs) of N. bicaudus, while Tagetes erecta resulted in the lowest longevity (7 days) and fecundity (0.1 eggs) observed in the predatory mites. By comparing the effects of three nectar and pollen plants on the predation of predatory mites, it was observed that N. bicaudus still exhibited a type II functional response to Tetranychus turkestani. In the presence of pollen, the predation efficacy (a/Th) of N. bicaudus exhibited a lower value, compared to that in the absence of pollen (Control: a/Th = 24.00). When pollen was supplied, the maximum consumption (1/Th) of predatory mites was higher than in its absence (Control: 1/Th = 9.90 d−1), with the highest value obtained in the presence of B. officinalis pollen (B. officinalis: 1/Th = 17.86 d−1). The influence coefficient of predation of N. bicaudus on T. turkestani in the presence of pollen was compared in the presence of three nectar and pollen plants: Cnidium monnieri, Centaurea cyanus, and Borago officinalis. At low prey densities, the influence coefficient of C. cyanus exceeded that of B. officinalis, and the overall influence coefficient values were negative (i.e., the presence of pollen reduced predatory mite feeding on T. turkestani). They exhibited similar values at high prey densities, and all of the influence coefficient values were close to 0 (i.e., the presence of pollen had no effect on predatory mite feeding on T. turkestani). The findings revealed that diverse plant species exert differential impacts on N. bicaudus, with some influencing its lifespan and others affecting its reproductive capabilities. Furthermore, the presence of nectar and pollen plants had a significant impact on predatory mite feeding on T. turkestani at low prey densities; however, this effect diminished as the prey density increased. Therefore, we recommend planting C. monnieri, C. cyanus, and B. officinalis in the field to ensure an ample population of predatory mites. The obtained results hold significant implications for the utilization of nectar and pollen plants in eco-friendly pest management strategies within agricultural contexts.

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Prevalence of major pests and diseases in wild and cultivated coffee in Ethiopia

Beche

Tack

Nemomissa

et al. 2023

Basic and Applied Ecology

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Management intensity affects insect pests and natural pest control on Arabica coffee in its native range

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 5 publications

References 69 publications

Lessons from Ethiopian coffee landscapes for global conservation in a post-wild world

Lessons from Ethiopian coffee landscapes for global conservation in a post-wild world

Effects of Various Nectar and Pollen Plants on the Survival, Reproduction, and Predation of Neoseiulus bicaudus

Prevalence of major pests and diseases in wild and cultivated coffee in Ethiopia

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