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Evening primrose, tuberose, mountain sesame, wild sesame
Scientific name: Oenothera biennis. Common names: tuberose, mountain sesame, wild sesame. Type: perennial herbaceous plant. Origin: native to North America, introduced to Europe and then spread throughout the world. Family and genus: Onagraceae, genus Oenothera. Growth characteristics: evening primrose is cold-tolerant, drought-tolerant, tolerant of poor soil, light-loving, and intolerant of waterlogging; bolting and flowering require a certain low-temperature stimulus. Morphological characteristics: biennial plants are 100-140 cm tall; annual plants are 60-90 cm tall. Basal leaves grow in a rosette
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What are the main cultivation regions of Asarum heterotropoides var. mandshuricum (northeast wild ginger)?
It is mainly cultivated in the three northeastern provinces. It is mainly produced in the Yanbian, Baishan, Tonghua and Jilin areas around Changbai Mountain in Jilin Province; in Xinbin, Huanren, Kuandian, Benxi, Qingyuan and other places in Liaoning Province; and in Wuchang, Acheng, Shangzhi, Yanshou, Ning'an and other places in Heilongjiang Province.
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Control Methods and Technical Key Points for Pests and Diseases of Asarum (Wild Ginger)
The main disease is sclerotinia rot, which mainly damages the roots. In the early stage, the base of the root becomes soft and rotting, with white filamentous substances visible, and gradually the aboveground leaves turn yellow, then lodge and die. Spray the leaves or drench the roots with a 500 to 1000 times dilution of 50% carbendazim. The main pest is the black hairy caterpillar, which generally appears in mid to late June. It damages the leaves, and in severe cases the leaves are completely eaten bare. Spray with a 1000 times dilution of dichlorvos or trichlorfon to kill them.
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What are the harvesting and processing methods for Asarum (wild ginger)?
For directly sown Asarum, it can be harvested after 3 to 4 years of growth. For transplanted Asarum, if two-year-old seedlings are planted, harvest 3 to 4 years after planting; if three-year-old seedlings are planted, harvest 2 to 3 years after planting. At present, in order to collect seeds, harvesting can be delayed by 5 to 6 years, collecting more seeds to expand direct sowing of seeds. Wild seedlings can be harvested in the 3rd year after transplanting. The customary harvesting period for wild Asarum is from May to June. For cultivated Asarum, harvesting from August to September gives good quality and high yield. After harvesting, remove all soil, tie every 10 or so plants into a small bundle, twist them into a braid with rope, and dry them in a cool, well-ventilated place under the eaves.
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Wild mushrooms may be developed into anti-cancer drugs
Seemingly ordinary macrofungi, that is, wild mushrooms commonly parasitic on tree trunks, may actually be developed into antibacterial and even anti-cancer drugs. A research team composed of four lecturers and their students from the School of Chemical and Life Sciences at Nanyang Polytechnic in Singapore has, over the past two years, classified and studied more than 400 species of local wild mushrooms, and found that two of them contain anti-cancer compounds and 30 contain antibacterial compounds. At present, they have successfully identified the chemical structure of one wild mushroom with anti-cancer properties, and confirmed
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An overview of the distribution of wild resources and cultivation of Angelica sinensis
Angelica sinensis prefers a cool, humid climate. Its wild resources are found only in the remote high-mountain forests within Zhang County and Zhouqu in Gansu. Angelica sinensis is always a cultivated species, and it is suited to growing in cold, damp mountainous areas at altitudes above 2000 m. All commercial Angelica sinensis comes from cultivated plants, distributed across Gansu, Ningxia, Qinghai, Yunnan, Guizhou, Shaanxi, Hubei and other provinces. It is mainly produced in Min County, Tanchang, Weiyuan, Zhang County, and Wudu, Wen County, Zhuoni, Lin County and other places in Gansu, with a long history of cultivation. Normal annual output is around 10,000 tons, accounting for about
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Detailed Explanation of Key Techniques for Managing Wild Schisandra as a Cultivated Crop
In the Northeast and Northwest regions there are still many wild natural clusters of Schisandra (Schisandra chinensis). Bringing these wild Schisandra plants under domestic management can significantly increase yields and deliver economic returns relatively quickly. The key technical points for the artificial management of wild Schisandra are described below. 1. Clearing the forest and stumping. Clearing the forest means thoroughly removing the plants that compete with Schisandra for water, nutrients and light, including trees and weeds that hinder the growth and development of Schisandra, so as to ensure ventilation and light penetration. Clear once every spring. Stumping means promptly cutting flat the new shoots and young branches that grow after clearing, especially the large number of tillering buds around the Schisandra plants.
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Transplanting Methods and Techniques for Wild Schisandra
In forest areas, especially in forest farms where Schisandra grows in relatively concentrated stands, wild Schisandra seedlings can be dug up in autumn and transplanted directly into open fields. After leaf fall in autumn or before the ground freezes, select strong 1-2 year old Schisandra seedlings, keeping 30-35 cm of rootstock on each plant to ensure the survival rate after planting. If there is no time for transplanting in winter, the wild seedlings can be heeled in temporarily and transplanted in the following spring. Sufficient moisture must be ensured. Therefore, after autumn transplanting, winter irrigation should be carried out where conditions permit. At the same time, to ensure that the transplanted seedlings are not damaged by cold winds and dried out in winter, the seedlings should be covered with soil. In the following spring, remove the soil and set up supports with tree branches for the Schisandra vines so that they can grow and develop normally.
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Poisonous mushrooms are highly dangerous; be on guard against picking and eating them in the wild
In forests, in grassy areas, and beside piles of manure and straw, people often see wild mushrooms pushing up through the ground. Because many people do not know the difference between poisonous and non-poisonous mushrooms, they sometimes pick poisonous mushrooms and take them home to eat. Cases of accidentally eating poisonous mushrooms occur from time to time, and there have even been deaths. For this reason, the relevant authorities remind the public not to blindly pick and eat wild mushrooms, so as to ensure food safety. Recently it has also been found that some farmers' markets are selling poisonous mushrooms. Wild mushrooms that you do not recognize and have never eaten must absolutely not be easily bought and eaten.
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Detailed Explanation of Sexual Propagation and Seed Production Techniques for Wild Gastrodia elata
Guizhou is the third largest province in China for the production of Chinese medicinal materials and has been approved by the Ministry of Science and Technology as a national base province for the modern science and technology industry of Chinese medicine. Chinese medicinal materials are an important pillar industry of our province, and Yinjiang has become one of the first batch of Chinese medicinal materials base counties in our province. In order to fully and rationally utilize the advantages of Chinese medicinal material resources and convert the very abundant wild Gastrodia elata in Yinjiang into economic advantages as quickly as possible, the principle of "sexual propagation and sowing technology for Gastrodia elata seeds" successfully researched by Professor Xu Jintang of the Chinese Academy of Sciences was introduced, and indoor seed production and cultivation were carried out at the home of villager Zeng Jiyong in Luochang Township. After pollination,
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