Pomegranate in Raffadali: Aphids, Whiteflies, and the Need for New Protection Strategies
In Raffadali, in the province of Agrigento, at the Casalicchio farm, pomegranate trees are in the very early stages of flowering. At the tips of the productive branches, the first flower buds are already visible, signaling the beginning of the new vegetative and productive season.
The orchard appears orderly and
well-balanced, with well-managed ground cover and a Y-shaped training system
(Israeli system) that allows for good vegetation distribution, promotes light
penetration, and provides effective support for future production. Canopy
management is becoming increasingly strategic today, particularly from a
phytosanitary perspective.
It is precisely here that one of
the most delicate issues in modern pomegranate cultivation emerges:
infestations of aphids and whiteflies. In many production settings, these
insects develop as early as the first stages of spring, colonizing shoots, young
leaves, and even flowers. The result is a slowdown in vegetative growth, with
stunted shoots and a loss of plant balance.
However, the problem is not
limited to the direct damage caused by sap extraction. The significant
production of honeydew promotes the development of sooty mold and attracts
ants, which end up protecting colonies of sap-sucking insects. This creates a
vicious cycle that makes controlling infestations even more difficult.
The real critical issue lies in
the scarcity of available technical solutions. In pomegranate cultivation,
there are very few registered plant protection products, and intervention
options are highly limited, especially in organically managed orchards. This
means that the entire production season may be jeopardized as early as the
beginning of spring.
According to agronomist Dr. Vito
Vitelli, it is becoming increasingly clear that chemical control alone cannot
represent the solution. Even where authorized products are available, control
is often partial and temporary. For this reason, emphasis must be placed on
agronomic prevention and on creating conditions that are less favorable (or
even hostile) to pest development.
A well-lit, well-ventilated, and
properly balanced canopy already represents a first line of defense. Direct
light and reduced internal humidity within the vegetation make it more
difficult for pest colonies to proliferate. However, in practice, this is often
not sufficient. Even relying on the natural intervention of beneficial
predatory insects frequently fails to contain the problem in a timely manner.
There is a growing sense that
pomegranate cultivation now requires a shift in approach. New integrated
strategies are needed ones capable of combining canopy management, ant control,
the use of alternative low environmental impact products, and innovative
preventive techniques. The real challenge will not be to eliminate the problem
entirely, but to develop orchards that are more balanced, resilient, and
sustainable over time.
Editorial note:
Original content by Agronomist Dr. Vito Vitelli, processed and optimized
with the support of artificial intelligence tools for educational,
informational, and technical dissemination purposes.
Outreach activity carried out in collaboration with:


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