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When is the best time to plant Isatis indigotica (woad)?
Isatis indigotica is not only the abbreviated name of a common cold medicine in our daily life, it is also a plant. If you want to grow Isatis indigotica, when is the best time? What are its planting methods? 1. Planting time of Isatis indigotica. Isatis indigotica can be planted in early spring, spring, summer and autumn.
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Detailed Explanation of Isatis Root Cultivation Techniques and Key Planting Management Points
Common aliases for Isatis root include indigo root, blue indigo root, and Daqing root; it is a traditional Chinese medicinal herb. The following introduces Isatis root cultivation techniques. I. Site selection and fertilization: Choose deep soil layers, loose and fertile soil texture, well-drained sandy soil, or soil rich in humus for planting.
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Isatis Root Planting Methods and Technical Key Points
Isatis root, also known as woad and indigo, is a cruciferous herbaceous plant and a traditional precious Chinese medicinal material. Both the root and leaves are used medicinally; the root is called "isatis root" and the leaves are called "da qing ye" (woad leaves). Annual demand is very large; according to a national market survey, the annual demand for isatis root is about 4 million
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Control Methods for Downy Mildew in Isatis indigotica (Dyer's Woad) Cultivation
Symptoms: On diseased leaves, yellowish-white lesions with rather indistinct edges appear on the leaf surface, gradually enlarge, and, constrained by the leaf veins, become polygonal or irregular in shape. On the corresponding underside grows a layer of grayish-white downy mildew-like substance, namely the pathogen's sporangiophores and sporangia exposed outside the host body.
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How to prevent and control gray leaf spot when growing Isatis indigotica
Symptoms: On both sides of the leaves of affected Isatis indigotica, round lesions form, 2-6 cm in diameter, slightly sunken, grayish-white in the center, with brown edges. In the later stage, the lesions become thin and brittle, crack or perforate; when moist, a brown mold-like growth appears on them, which consists of the pathogen's conidiophores and conidia. Old
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Summer sowing of Isatis indigotica has many advantages, worth growers' choice
Isatis indigotica (woad) is a bulk medicinal herb with good sales on the current market. It can be sown in spring, autumn, and also in summer. However, judging from our trial demonstrations over the past two years, summer-sown Isatis indigotica is much welcomed by herb growers for its advantages of a short growth period, excellent quality, high yield, no effect on subsequent crops, and relatively high returns.
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Key Points of Isatis indigotica Planting Technology: Field Management Is Crucial
Abstract Soil: Choose fertile, loose sandy soil as the best option, plow the land more than 30cm deep and apply base fertilizer. Sowing: Can be done in spring or summer; before sowing, the seeds need to be placed in 40°C hot water for about 4 hours for heat treatment. Field management: Timely thinning and pricking out of seedlings
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