Expert introduction: the cultivation prospect of Gastrodia elata is promising.
According to Wang Kangcai, Associate Professor of traditional Chinese Medicine Research Office, School of Horticulture, Nanjing Agricultural University, Gastrodia elata is a valuable traditional Chinese medicine. Due to the large gap between supply and demand in the market, the cultivation of Gastrodia elata is particularly hot. According to the current market analysis, the price of dried Gastrodia elata is 150-200 yuan per kilogram, the profit is about 200 yuan per square meter, and the cultivation prospect of Gastrodia elata is promising.
The growth of Gastrodia elata does not need light, but only suitable temperature and humidity. In most parts of the country, there are broad-leaved tree resources, slightly acidic or neutral sandy soil. Barren slopes, courtyards, indoor, greenhouses and vineyards, chestnut orchards, fields and so on can be planted. The planting season of Gastrodia elata depends on the cultivation method. The cultivation of Gastrodia elata is divided into sexual reproduction and asexual reproduction. Sexual reproduction includes "first cultivating bacteria bed method" and "two bacteria mixed planting method". The former used Armillaria mellea to cultivate new bacterial materials from March to April every year, sowed seeds with germinating bacteria mixed with Gastrodia elata in May-June, harvested sexual seeds in November and commercial Gastrodia elata in November, while the latter sowed Armillaria mellea, fungus or branches, Gastrodia fruits and germinating bacteria in May-June every year, and harvested sexual seeds in November and commercial Gastrodia elata in November of the following year. Asexual reproduction includes "fixed bacterial bed method" and "three lower nest method". The former cut wood from May to September every year, cultivated the fungus with high-quality Armillaria mellea, sowed with Gastrodia elata seeds from October to March of the following year, and harvested in October of the following year; the latter was cultivated in the nest from October of the first year to February of the following year, and the commercial Gastrodia elata could be harvested in October of the following year. Although the cultivation time of Gastrodia elata is not fixed, it can be long or short, but it takes about 3 years to complete a growth cycle. The basic growth process is as follows: from November to February of the following year, the seeds of Gastrodia elata are sown, the seeds of Gastrodia elata mature in late June, and sown within a week. In November of that year, the seeds can grow into flax seeds. After 8-12 months of expansion, the seeds will become arrow seeds in October-November of the following year, and the third spring and summer season. Arrow hemp bolting, flowering, after pollination to form seeds, so that a growth cycle is completed.
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Ganoderma lucidum pest: White ants
White ants (CoptotermesformiosanusShiraki) are alias termites and house termites. Belonging to the class Insecta, Isoptera. 1. Morphology and habits there are three forms and different functional types of termites in each nest group. Large-winged ants (breeding ants), also known as flying ants, body length 7.5-8.5 mm, wing length 11 mm, head nearly round, brown, secretory hole is not obvious, antennae 21 nodes. Yellowish brown in chest and abdomen. The wings are gray-white and transparent, and the wings and leading edges are yellowish brown. Soldier ant body
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Preparation before sowing of sexual reproduction of Gastrodia elata in Chongqing
The sexual reproduction of Gastrodia elata is carried out by using the hybrid seeds of Gastrodia elata under the joint action of germinating bacteria and Armillaria mellea. The growing period of sexual reproduction of Gastrodia elata is one and a half years, that is, it is planted from June to July of that year and harvested at the end of the second year. It is characterized by low investment, high success rate and stable yield, which is an advanced high-yield planting technique of Gastrodia elata in our country. First, the choice of planting site Gastrodia elata growth almost does not need sunlight, so in basements, air-raid shelters, mountain streams and other places with certain ventilation conditions, as well as courtyard edge, ground edge, roadside, slope edge, forest edge
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