Melon (Cucumis melo) is a typical crop of warm, sunny areas, sensitive to waterlogging and cold. Its deep taproot system allows efficient absorption in loose, well-drained soils, while it struggles in compact or saline soils. The plant features vining or prostrate stems covered with rough, sap-rich hairs, with secondary shoots bearing most of the fruits.

It requires a balanced nutrient supply, with well-distributed nitrogen and abundant potassium and calcium to ensure sweetness and flesh firmness. Calcium deficiency or water imbalance may cause cracking and deformation of fruits. Among the most common diseases are powdery mildew, didymella, downy mildew and fusarium, particularly aggressive in spring–summer cycles.

Transplant for melons

Thermal shock, wind, intense radiation or cold, water-saturated soils limit water and nutrient uptake can determine melon slow rooting, thus compromising vegetative development in the earliest stages and therefore causing weak plants, leaf yellowing and uneven growth.

SPRINTALGA® promotes rapid establishment and intense rooting thanks to its formulation rich in biologically active compounds that stimulate young root metabolism and support elongation. The result is melon seedlings that are more robust, uniform and resilient under adverse climatic conditions.
Biopromoter of root growth and development

Flowering and fruit set for melons

In melon cultivation, flowering and fruit set are highly sensitive to thermal and water stress, as well as nutritional imbalances, which can lead to uneven flowering, irregular fruit set, and impaired ovary development, ultimately increasing fruit drop and the occurrence of malformed fruits.

The use of FOLICIST® supports uniform flowering, stable fruit set and the development of regular fruits, improving production continuity, commercial quality and size distribution.
Metabolic enhancer of flowering and fruit set

Fruit sizing for melons

In melon, fruit enlargement depends on the plant’s ability to sustain balanced metabolism and active cell division and expansion, while nutrient imbalances or inefficient translocation of sugars and hormones can restrict cell growth, leading to small, irregular, or uneven fruits.

KRISS® stimulates key physiological processes related to cell growth and hormonal balance, promoting the development of uniform, firm fruits of optimal commercial size. In organic farming, the same results can be achieved with KRISS® BIOLOGICO.
Biostimulant of fruit enlargement

Physiological fruit collapse for melons

Physiological collapse in melon is a disorder that occurs when plant tissues do not receive sufficient calcium, a phenomenon that becomes more pronounced when fruit load is excessive. Also, water imbalance and calcium and potassium deficiencies reduce tissue turgor and strength, while high temperatures and intense light increase the incidence of this problem.

NITROCAM®, applied during the vegetative cycle, promotes proper calcium supply to tissues and fruits. This helps counter physiological collapse and supports the development of turgid, uniform fruits with stable commercial quality, optimizing yield and storability.
Double calcium magnesium nitrate with molybdenum

Fungal diseases for melons

Fungal root pathogens - such as Pythium – attack melon roots and the crown, causing rotting, wilting or reduced water and nutrient uptake. Infected plants show stunted growth, yellowing leaves and small or deformed fruits. Agronomic factors such as excessive irrigation, compact soils, high salinity and poor drainage increase crop vulnerability.

Proper soil management combined with regular preventive treatments using PHOSFIK® line products supports healthy plant development, improves resistance to root pathogens and contributes to obtaining fruits of optimal quality.

PHOSFIK® line products can be applied by foliar or through fertigation. They promote natural defense mechanisms thanks to highly bioavailable phosphorus, helping achieve healthier, more uniform plants and ensuring production with high quantitative and qualitative standards.
Line of products to nourish and strengthen the plants

Fruit quality for melons

Fruit quality depends on uniform ripening and the proper synthesis of pigments and sugars, while irregular irrigation, nutritional imbalances, and high temperatures can limit sugar accumulation (°Brix) and pigment formation, resulting in less sweet fruits with poor coloration and reduced commercial value.

The use of SUNRED® during fruit growth supports the physiological functions responsible for quality, color and sugar content. The product promotes firm fruits with uniform ripening, higher sugar accumulation (°Brix) and improved post-harvest resistance, enhancing production uniformity and commercial value.
Biopromoter of fruit ripening and color developement