Latest Prices of Corydalis Seeds and a Detailed Guide to Planting Methods
Corydalis, also known as purple corydalis, arrowhead grass, goat-horn seed and so on, is a perennial herbaceous plant of the genus Corydalis in the poppy family. It has strong adaptability and prefers a warm, slightly cool climate. It is distributed in Guangdong, Guangxi, Zhejiang, Jiangxi and other places. The dried whole plant is used medicinally and has the effect of clearing heat and detoxifying. Let us take a look together below at the price of Corydalis seeds and the planting methods!
How much is a jin of Corydalis seeds?
The price of Corydalis seeds is about 30 to 40 yuan per jin, but prices vary depending on seed quality, variety, place of origin and purchase quantity. Corydalis is commonly propagated by seed and is best planted in fertile sandy loam with sufficient water sources. About 6 to 8 jin of seed are needed per mu, usually intercropped with grass-family plants. It can be harvested after about half a year of cultivation. Generally, the yield is about 600 to 700 jin of dry goods per mu, and high yields can reach 800 to 1000 jin. The market price of the dried product is about 3 to 5 yuan per jin.
Sowing methods for Corydalis
1. Soil disinfection: The seedbed soil for Corydalis is generally prepared with 2 parts garden soil, 2 parts leaf mold and 1 part fine sand. Soil disinfection should be carried out before sowing, and a 0.3 to 0.5% potassium permanganate solution can be sprayed on the seedbed soil.
2. Sowing time: For Corydalis, spring sowing is carried out in early to mid-March, and autumn sowing in early August. After sowing, keep the temperature between 15 and 25 degrees C, and seedlings emerge in about a week.
3. Sowing method: Corydalis can be sown by broadcasting. Use a small-seed seeder or your hand to evenly scatter the seeds over thoroughly moistened seedbed soil. After sowing, cover with fine soil passed through a fine sieve, with the covering thickness such that the seeds are no longer visible.
Seedling-stage management of Corydalis
1. Seedling-stage management: After the Corydalis seedlings emerge completely, management should be strengthened, especially temperature control to prevent the seedlings from becoming leggy. At this time, light should be sufficient, the temperature should be controlled at 15 degrees C during the day and 8 to 10 degrees C at night, and the soil should be kept slightly dry.
2. Thinning and transplanting: When the Corydalis seedlings grow their first true leaf, begin thinning. When transplanting, the root system should be spread out, the bottom water should be watered thoroughly, and an appropriate amount of decomposed organic fertilizer solution can be applied to promote seedling growth. When the seedlings have more than 5 leaves, they can be planted out.
Planting methods for Corydalis
1. Field management: Corydalis is a shade-loving plant, so after emergence it should be watered frequently and management should be strengthened. When the main autumn crops mature and are harvested, be careful not to bury the Corydalis seedlings. Before freezing, water with winter water and cover with barnyard manure. After the thaw the following spring, break up the manure clods and level the ground.
2. Fertilizer and water management: For Corydalis, from Qingming to Guyu, when the new leaves have not yet covered the ground, apply 10 to 15 kg of urea per mu, then water after application. Stop watering after Lixia to prevent stem and leaf rot and reduce yield.
3. Pest and disease control: When Corydalis seedlings turn green, a black larva of the order Lepidoptera often bites and eats the tender buds. It can be controlled by spraying with a 500 to 1000 times dilution of Bacillus thuringiensis, or by using 2500 grams of bacterial powder per mu plus 15 to 25 kg of fine soil to make poisoned soil for killing.
4. Harvesting and processing: Corydalis is used medicinally as the whole plant. Usually around the Xiaoman solar term, when the Corydalis is half seed and half flower, choose a sunny day to cut the aboveground whole plant, then dry it in the sun for sale or storage.