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Summer sowing of Isatis indigotica (woad) is good; choosing the right sowing time is key
Isatis indigotica root is a bulk medicinal herb with relatively good market demand. It can be sown in spring, autumn, or summer. However, based on our trial demonstrations over the past two years, summer-sown Isatis indigotica is favored by herb growers because of its short growth period, good quality, high yield, no impact on subsequent crops after flowering, and relatively high returns. Average per mu...
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What are the common autumn diseases in Isatis indigotica (woad) cultivation?
What diseases affect Isatis indigotica (woad) in autumn? Please explain and give control methods. Autumn is a period of frequent disease outbreaks in Isatis indigotica, such as downy mildew, root rot, and sclerotinia rot. The following control methods are provided for reference: Downy mildew damages the leaves. The leaves on the lower part of the plant near the ground are affected first, then it gradually spreads to the upper leaves. Once affected...
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