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introduction Downy mildew is one of the most widespread and destructive plant diseases, impacting a wide range of crops worldwide.Farmers and agricultural researchers continue to study this disease to develop more effective management strategies and resistant crop varieties, as it remains a persistent threat to global food security and agricultural sustainability Downy mildew is a pervasive threat to agriculture, primarily due to its ability to adapt to various environmental conditions and its high reproductive rate.Recent studies emphasize the role of climate change in exacerbating the prevalence of this disease, as warming temperatures and shifting humidity patterns create new hotspots for outbreaks.These pathogens are obligate parasites, meaning they require a living host to survive and reproduce.

introduction
Downy mildew is one of the most widespread and destructive plant
diseases, impacting a wide range of crops worldwide. It is caused by
a group of microorganisms known as oomycetes, which were once
classified as fungi but are now recognized as a distinct group. These
pathogens are obligate parasites, meaning they require a living host
to survive and reproduce. The disease poses significant challenges
to agriculture, not only because of its ability to rapidly spread under
favorable conditions but also due to its devastating effects on crop
yield and quality.
Downy mildew is particularly problematic in regions with high
humidity and moderate temperatures, as these conditions create
an ideal environment for the pathogens to thrive. The disease can
affect various parts of the plant, including leaves, stems, and fruits,
depending on the host species. Farmers and agricultural
researchers continue to study this disease to develop more
effective management strategies and resistant crop varieties, as it
remains a persistent threat to global food security and agricultural
sustainability Downy mildew is a pervasive threat to agriculture,
primarily due to its ability to adapt to various environmental
conditions and its high reproductive rate. In addition to causing
direct yield losses, it indirectly affects global food security by
increasing dependency on chemical fungicides. Recent studies
emphasize the role of climate change in exacerbating the
prevalence of this disease, as warming temperatures and shifting
humidity patterns create new hotspots for outbreaks.