Fruit development in artificially self- and cross-pollinated strawberries (Fragaria×ananassa) and raspberries (Rubus idaeus)

Tuohimetsä, Saara; Hietaranta, Tarja; Uosukainen, Marjatta; Kukkonen, Sanna; Karhu, Saila

doi:10.1080/09064710.2014.919348

Cited by 13 publications

(18 citation statements)

References 21 publications

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“…The strawberry cultivars vary in their need for insect pollination. For instance, other frequently grown strawberries (cultivar Polka 20 , cultivar Elsanta 19 ) significantly benefit from insect pollination.…”

Section: Discussionmentioning

confidence: 99%

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Reliability of the entomovector technology using Prestop-Mix and Bombus terrestris L. as a fungal disease biocontrol method in open field

Karise

Dreyersdorff

Jahani

et al. 2016

Sci Rep

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Botrytis cinerea Pers.:Fr. is a major plant pathogen, and a new approach is needed for its control in strawberry to minimise the increasing use of synthetic fungicides. The biofungicide Prestop-Mix, which contains Gliocladium catenulatum, is effective against Botrytis infections; however, the need for frequent applications increases the costs for farmers. Here, we demonstrate that bumble bees, Bombus terrestris L., effectively disseminate the preparation onto flowers in open field conditions. Over the course of three years, we found a highly significant decrease in the rate of Botrytis infection. Pathogen control was achieved with relatively low numbers of G. catenulatum spores per flower, even using flowers that are not highly attractive to bumble bees. An even distribution of spores was detected up to 100 m from the hives, either due to primary inoculation by bumble bees or secondary distribution by other flower visitors such as honey bees and solitary bees. We showed that the application of a biocontrol agent by bumble bees is reliable for the use of environmentally friendly pest control strategies in northern climatic conditions. This low cost technology is especially relevant for organic farming. This study provides valuable information for introducing this method into practice in open strawberry fields.

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Section: Discussionmentioning

confidence: 99%

“…The use of foraging bees as disseminators of biopesticides guarantees that the biocontrol agent will reach flowers 15 16 17 18 as they open. Moreover, the disseminating bees provide an additional pollination service that leads to an increased fruit weight and yield 19 20 21 .…”

mentioning

confidence: 99%

Reliability of the entomovector technology using Prestop-Mix and Bombus terrestris L. as a fungal disease biocontrol method in open field

Karise

Dreyersdorff

Jahani

et al. 2016

Sci Rep

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show abstract

“…Upon picking, the growth position (primary, secondary, tertiary, quaternary) of each fruit was noted following Darrow (1929). Noting the growth position is important because fruits from later growth positions are usually smaller in size (Tuohimetsä et al, 2014; Webb et al, 1974).…”

Section: Methodsmentioning

confidence: 99%

Varietal and seasonal differences in the effects of commercial bumblebees on fruit quality in strawberry crops

Martin

Fountain

Brown

2019

Agriculture, Ecosystems & Environment

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Highlights We tested the effect of commercial bumblebees on strawberry pollination and quality. Commercial bees increased high grade fruit by 25% in an early-flowering variety. In two other varieties commercial bees had no effect on fruit quality. Commercial bumblebees do not always provide the benefit they are assumed to. Commercial bumblebees can be very effective when used in the right circumstance.

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“…Although honey bees and bumble bees can forage very differently, leading to different rates of self and outcross pollen deposition, pollen quality has no effect on drupelet set or fruit mass, as raspberry is fully self‐compatible (Tuohimetsä et al. ). In northwest Patagonia, raspberry flowers are mostly visited by two introduced bees: the managed honey bee, A. mellifera , and the feral bumble bee, B. terrestris (see Morales , Sáez et al.…”

Section: Methodsmentioning

confidence: 99%

The costs and benefits of pollinator dependence: empirically based simulations predict raspberry fruit quality

Sáez

Morales

et al. 2018

Ecological Applications

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Globally, agriculture increasingly depends on pollinators to produce many seed and fruit crops. However, what constitutes optimal pollination service for pollinator‐dependent crops remains unanswered. We developed a simulation model to identify the optimal pollination service that maximizes fruit quality in crops. The model depicts the pollination (i.e., autonomous self‐fertilization, pollen deposition) and post‐pollination (i.e., pollen germination, and time from germination to ovule fertilization) processes leading to fruit and seed set and allows for negative flower–pollinator interactions, specifically pistil damage. We parameterized and validated the model based on empirical observations of commercial raspberry in western Argentina. To assess the effects of pollination intensity for fruit production, we conducted simulations over a range of visit number per flower by the two primary managed pollinators worldwide, Apis mellifera and Bombus terrestris. Simulations identified that ~15–35 visits per flower by A. mellifera or ~10–20 visits by B. terrestris provide adequate pollination and maximize raspberry fruit quality (i.e., estimated as the proportion of ovules that develop into drupelets). Visits in excess of these optima reduce simulated fruit quality, and flowers receiving >670 honey bee visits or >470 bumble bee visits would produce fruits of poorer quality than those receiving no bee visits. The simulations generated consistent, unbiased predictions of fruit quality for 12 raspberry fields. This model could be adapted easily to other animal‐pollinated crops and used to guide efficient pollinator management in any agro‐ecosystem.

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Fruit development in artificially self- and cross-pollinated strawberries (Fragaria×ananassa) and raspberries (Rubus idaeus)

Cited by 13 publications

References 21 publications

Reliability of the entomovector technology using Prestop-Mix and Bombus terrestris L. as a fungal disease biocontrol method in open field

Reliability of the entomovector technology using Prestop-Mix and Bombus terrestris L. as a fungal disease biocontrol method in open field

Varietal and seasonal differences in the effects of commercial bumblebees on fruit quality in strawberry crops

The costs and benefits of pollinator dependence: empirically based simulations predict raspberry fruit quality

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