Comprehensive control of downy mildew of spinach

Spinach (Spinacia oleracea L.), also known as Persian food, red root vegetable, parrot vegetable, etc., belongs to spinach of subfamily Chenopodiaceae of amaranth family, and is an annual herb. The plant is up to 1 meter tall, with conical roots, reddish, less white, hastate to ovate, bright green, entire or with