- This topic has 7 replies, 2 voices, and was last updated April 9, 2022 at 1:48 pm by Armuro.
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Hello, the hazelnut tree seems to have an iron deficiency. In this case, it is recommended to administer a fertilizer with high iron-chelate content, such as AMN Optiferrum, 500 ml , applied by foliar spray, in a dose of 100 ml / 10 l water; 2-3 treatments can be performed at an interval of 1-4 weeks. In addition, you can apply organic fertilizer, rich in beneficial microorganisms, such as Yokosan, 100 ml. It improves soil quality, stimulates healthy plant growth, and intensifies the absorption processes of the roots. Apply periodically by watering. The larva in the attached photo seems to be a species of ladybug (Halyzia sedecimguttata). They are not harmful, but on the contrary, they are natural predators, feeding on insects that can cause damage to plants (eg aphids). For more detailed information about hazelnut tree care, please see the following article: https://www.armuro.com/en/hazel-planting-growing-harvesting.
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DaDani9 April 2022
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In this case, the recommended dose of amn optifer is 3-5 l / ha. Considering the mentioned surface, you can opt for a fertilizer such as: AMN Verde, 500 ml , in a dose of 1-3 l /ha.
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BuBulza9 April 2022-
The symptoms on the leaves are similar to a fungal disease (spots), but, for a more accurate diagnosis, it is advisable to perform a laboratory analysis at an Institute of Plant Protection in the area where you are.
DaDani10 April 2022-
Unfortunately, in our catalog (and currently on the market) there are not enough products approved for hazelnuts, in order to develop a treatment program. Thus, as an approved insecticide you can opt for deltasap 2. 5 ec, 100 ml or a bio insecticide, with a broad spectrum of control and application, as well as a secondary action on phytopathogens: Fizimite, 1 litre. For more information on hazelnut diseases and pests, as well as care work, please see the following articles: Hazel treatments, pest and disease control and https: // Hazel, planting, growing and harvesting.
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Recommended articlesHazel treatments, pest and disease controlTreatments to control diseases and pests in Hazel, with approved fungicides and insecticides, integrated pest management, from Armuro.Hazel, planting, growing and harvestingHazel, planting this shrub, care works and pruning guide, fertilization, optimal harvest time, recommended treatments, from ArmuroAuthorPostsViewing 3 reply threadsWas this discussion helpful?
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