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Rosy apple aphid: Direct control with Neem in organic orchards (Biofruitnet Practice Abstract)

{Tool} Rosy apple aphid: Direct control with Neem in organic orchards (Biofruitnet Practice Abstract). Creator(s): Adolphi, Christina and Oeser, Niklas. Issuing Organisation(s): FÖKO - Fördergemeinschaft Ökologischer Obstbau. Biofruitnet Practice Abstract, no. 018. (2022)

[thumbnail of Rosy apple aphid: Direct control with Neem in organic orchards] PDF - Published Version - English (Rosy apple aphid: Direct control with Neem in organic orchards)
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[thumbnail of Mehlige Apfelblattlaus: Direkte Bekämpfung mit Neem im Bioobstbau] PDF - Published Version - German/Deutsch (Mehlige Apfelblattlaus: Direkte Bekämpfung mit Neem im Bioobstbau)
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[thumbnail of Rød æblebladlus: Direkte bekæmpelse med NeemAzal-T/S i økologiske frugtplantager] PDF - Published Version - Danish/Dansk (Rød æblebladlus: Direkte bekæmpelse med NeemAzal-T/S i økologiske frugtplantager)
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[thumbnail of Mszyca jabłoniowo-babkowa: Bezpośrednie zwalczanie za pomocą oleju Neem w sadach ekologicznych] PDF - Polish/Polski (Mszyca jabłoniowo-babkowa: Bezpośrednie zwalczanie za pomocą oleju Neem w sadach ekologicznych)
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Document available online at: https://orgprints.org/44237


Summary in the original language of the document

Neem penetrates the leaves and is absorbed through the feeding activity of the pest. It also helps to control other aphid species such as D. devecta and partially against Aphis pomi.
Practical recommendation
• Check for infested leaves regularly in Spring. Rosy apple aphids are black and may appear in large colonies on the lower side of young leaves. The damage threshold is at a single aphid. Damaged fruits remain small and shrivel.
• Apply Neem from BBCH-stage 57 - “Red Bud”):
o Before the stem mothers (fundatrices) develop into adults. None or only a few young aphids will develop and colonies will not form.
o When stem mothers are already adults. Aphids will not develop to adults unless the fundatrices produce progeny for a prolonged period. In this case, split the application at red bud stage and at the end of blossom. Neem inhibits the early stages of development.
• If aphid colonies are too far advanced in their development, the treatment will not have effect. The correct treatment period is crucial!
• Treat once or twice based on the infestation pressure, the aphid and the vegetation development. With the splitting method, the application rate per treatment can be reduced.


EPrint Type:Practice tool
What problem does the tool address?:Rosy apple aphid (Dysaphis plantaginea) has a fast reproduction cycle and the potential to cause major damage in orchards. Preventive measures such as promoting beneficial insects and pruning are often not sufficient.
What solution does the tool offer?:Direct control with Azadirachtin (NeemAzal®-T/S, also called Neem) decimates the population and keeps damage below the economic damage threshold.
Country:Germany
Type of Practice Tool:Practice abstracts
Keywords:Disease and pest control, plant protection, biological pest control, plant disease control, pest control
Agrovoc keywords:
Language
Value
URI
English
plant disease control
http://aims.fao.org/aos/agrovoc/c_5960
English
pest control
http://aims.fao.org/aos/agrovoc/c_5726
English
plant protection
http://aims.fao.org/aos/agrovoc/c_5978
English
biological pest control
http://aims.fao.org/aos/agrovoc/c_330635
Subjects: Crop husbandry > Production systems > Fruit and berries
Crop husbandry > Crop health, quality, protection
Research affiliation: European Union > Horizon 2020 > Biofruitnet
Germany > Fördergemeinschaft Ökologischer Obstbau - FÖKO
European Union > Organic Farm Knowledge
Horizon Europe or H2020 Grant Agreement Number:862850
Related Links:https://organic-farmknowledge.org/tool/44237, https://biofruitnet.eu, https://twitter.com/farm_knowledge/status/1544957344517439488, https://www.facebook.com/organicfarmknowledge/posts/pfbid032CsLNVHaQKfmHnULBrVHz1T4LutVsZZnuCSnfT6fdZCadn6Hbaq2jgZ7TUfenMdKl
Project ID:ofk
Deposited By: Basler, Andreas
ID Code:44237
Deposited On:29 Jun 2022 13:33
Last Modified:02 May 2024 10:31
Document Language:English, German/Deutsch, Danish/Dansk, Polish/Polski
Status:Published

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