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Detailed Guide to Pinellia ternata Cultivation: Planting Methods and Management Essentials

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Pinellia ternata is also known as three-leaf pinellia, three-step jump, hemp jade fruit, swallow tail, and other names. It belongs to the genus Pinellia in the Araceae family. Pinellia is a commonly used traditional Chinese medicine, with its tubers used medicinally; it has functions such as drying dampness and resolving phlegm, and directing qi downward to stop vomiting. Raw pinellia is toxic. It is mainly produced in the provinces along the Yangtze River basin, and is now cultivated nationwide. 1. Habits: A perennial herbaceous plant, 15-30 cm tall. The tuber is spherical or flattened spherical, with a spadix inflorescence. Male flowers grow on the upper part, female flowers on the lower part; it is monoecious. The flowering period is May to July, and the fruiting period is June to September. Pinellia ternata prefers humid conditions

Pinellia ternata is also known as three-leaf pinellia, three-step jump, hemp jade fruit, swallow tail, and other names. It belongs to the genus Pinellia in the Araceae family. Pinellia is a commonly used traditional Chinese medicine, with its tubers used medicinally; it has functions such as drying dampness and resolving phlegm, and directing qi downward to stop vomiting. Raw pinellia is toxic. It is mainly produced in the provinces along the Yangtze River basin, and is now cultivated nationwide.

1. Habits: A perennial herbaceous plant, 15-30 cm tall. The tuber is spherical or flattened spherical, with a spadix inflorescence. Male flowers grow on the upper part, female flowers on the lower part; it is monoecious. The flowering period is May to July, and the fruiting period is June to September. Pinellia ternata prefers humid conditions, fears drought, and is intolerant of strong light. Under direct sunlight or insufficient moisture conditions, it is prone to seedling collapse. It is shade-tolerant and cold-tolerant, and the tubers can overwinter naturally. It requires moist, fertile, deep soil, preferably sandy loam with a water content of 40%-50% and a pH value of 6-8 showing a neutral reaction. Overly sticky, overly sandy, and waterlogged plots are not suitable for planting. Pinellia emerges and collapses 3 times each year: the first time in early April to early June, the second time from June to mid-August, and the third time from August to October. After each emergence, the growth period lasts 50-60 days.

2. Planting: Mainly propagated by tubers and bulbils, and can also be propagated by seeds. Generally planted in autumn and winter, or in mid-February.

3. Harvesting and processing: Those propagated from tubers are harvested in the same year or the second year, generally after the stems and leaves wither and the seedlings collapse in summer and autumn. However, harvesting between Grain in Ear and Summer Solstice in summer is preferable. The general yield is 500-750 kg of fresh tubers per mu. The drying rate is 30%.

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