What are the common diseases of pepino melon? With the latest control methods
Pepino melon is a delicious fruit with extremely high nutritional value, rich in high protein, multiple vitamins and a large number of trace elements essential to the human body, and it is relatively well liked. But any plant is inevitably troubled by diseases, and pepino melon is no exception, so what diseases does pepino melon have? And how should they be controlled? Below, the editor brings you the common diseases of pepino melon and their control methods.
Phytophthora fruit rot
Phytophthora fruit rot occurs in the high-temperature and rainy seasons of July and August, and is more severe in soils with high clay content. When the disease occurs, light brown spots appear on the fruit along with white mold spots, and as the disease progresses the spot color gradually deepens and the flesh also turns brown. When humidity is too high, the fruit stops growing and developing. It easily drops off, and will also gradually infect the leaves; when the leaves are affected, large chlorotic spots appear and they gradually rot.
Control methods: When planting, choose fertile areas with good drainage, and after planting cover the ground with plastic film to prevent rainwater from splashing up pathogens. Frequently apply organic phosphorus and potassium fertilizers to increase disease resistance, promptly prune excess branches, and for greenhouse cultivation pay attention to ventilation and light penetration. When disease is found, promptly clean up the affected fruits and leaves; the general handling method is deep burial or direct burning.
Sooty mold
Sooty mold develops relatively quickly. The pathogen of sooty mold is a fungus, which mostly overwinters dormant in soil and plant residues, then awakens the following spring to produce spores and spreads rapidly through air, wind and rain, and insects. It has occurred in shaded and humid greenhouses, and is prone to occur during the plum rain season.
Control methods: Pay attention to ventilation and air circulation; under high temperature and high humidity, pay attention to lowering temperature and humidity, and water appropriately.
Black spot
Black spot mainly harms the leaves. In the early stage of the disease, black spots appear on the leaves, and as the condition worsens the leaf spots gradually expand, ultimately causing the leaves to dry up or become necrotic.
Control methods: Because the day-night temperature difference in spring and summer is too large, which favors the occurrence and spread of black spot, attention should be paid to regulating the temperature difference to prevent the occurrence and spread of this disease.
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