2023
DOI: 10.3390/horticulturae9060727
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Fruit Phenology of Two Hazelnut Cultivars and Incidence of Damage by Halyomorpha halys in Treated and Untreated Hazel Groves

Abstract: Over the past decade, Halyomorpha halys has become one of the main threats to hazelnut production. Its trophic activity makes kernels inedible due to strongly detrimental effects on the organoleptic quality. Its management in Italy is still tricky due to the lack of effective native biocontrol agents and authorized and effective insecticides. A field test was performed on San Giovanni (SG) and Tonda Romana (TR) cultivars (early and late ripening, respectively) to assess the intensity of cimiciato damage with d… Show more

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Cited by 6 publications
(2 citation statements)
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“…On hazelnuts, stink bugs can cause different types of damage, depending on the stage of development in which the fruit is hit. In particular: i) if the insect bites the fruit in the pre-expansion phase of the shell, hazelnuts will be almost certainly subject to drop or traumatic abortion; ii) if the fruit is bitten while the shell is expanding, a traumatic abortion of the kernel will almost always occur, therefore shells will be empty at harvest; iii) if the fruit is hit during the kernel expansion or the ripening phase, kernels will be shrivelled or they will present a high incidence of the characteristic off-flavour defined as “cimiciato” or “corked” [ [3] , [4] , [5] , [6] ]. By visual inspection, cimiciato defect can appear as one or more spots on the kernel surface (external or visible cimiciato) or the damage can be located inside the kernel, and this prevents it to be detected visually, but the injure becomes visible only after opening the fruit in two halves (hidden or internal cimiciato) [ 6 ].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…On hazelnuts, stink bugs can cause different types of damage, depending on the stage of development in which the fruit is hit. In particular: i) if the insect bites the fruit in the pre-expansion phase of the shell, hazelnuts will be almost certainly subject to drop or traumatic abortion; ii) if the fruit is bitten while the shell is expanding, a traumatic abortion of the kernel will almost always occur, therefore shells will be empty at harvest; iii) if the fruit is hit during the kernel expansion or the ripening phase, kernels will be shrivelled or they will present a high incidence of the characteristic off-flavour defined as “cimiciato” or “corked” [ [3] , [4] , [5] , [6] ]. By visual inspection, cimiciato defect can appear as one or more spots on the kernel surface (external or visible cimiciato) or the damage can be located inside the kernel, and this prevents it to be detected visually, but the injure becomes visible only after opening the fruit in two halves (hidden or internal cimiciato) [ 6 ].…”
Section: Introductionmentioning
confidence: 99%
“…The incidence of cimiciato defect is strongly related to year, cultivar and growing area. For example, in southern Italy in some cultivars the incidence of damage can even reach 35% [ 6 ], while in Turkey, on the basis of the cultivation area and season, the incidence of damage varies between 1.5% and 20% [ 12 ].…”
Section: Introductionmentioning
confidence: 99%