-
Key Technical Points for Summer and Autumn Cultivation and Management of Gastrodia elata
Summer and autumn are the periods when Gastrodia elata enters vigorous growth and maturity, and they are also the critical periods for its production management. If neglected or managed improperly, the yield and quality of Gastrodia elata will be seriously affected. 1. Drainage ditches for moisture removal. When Gastrodia elata enters the vigorous growth period, it is time to start checking whether the drainage ditches at the cultivation site are waterlogged and unobstructed. Soil moisture content can be kept at 60-65%. The three months of July, August and September are the period when Gastrodia elata needs the most water. During this time, the drainage ditches must be checked and cleared in a timely manner to avoid waterlogging. 2. Technical measures for mulching to retain moisture and lower temperature
-
Key Technical Points for Pest and Disease Control During the Cultivation Period of Gastrodia elata
Gastrodia elata is a commonly used traditional Chinese medicinal herb. It is a special seed plant with no roots and no green leaves; it cannot nourish itself and must rely on symbiosis with Armillaria mellea to obtain nutrients for reproduction and growth. Therefore, cultivating Gastrodia elata differs from growing green plants, and three key steps must be managed according to its growth patterns. First, the cultivation of Armillaria mellea-infected wood; second, the selection and cultivation of Gastrodia elata seed tubers; third, the symbiotic cultivation of Gastrodia elata with Armillaria mellea. In all three production steps there is a chance of contamination by miscellaneous fungi, and if any step is done poorly, especially under unfavorable conditions, it will lead to failure in Gastrodia elata cultivation.
-
Key Technical Points for Sexual Propagation of Gastrodia elata
Gastrodia elata, also known as red arrow, immortal's foot, and huilongzi, is an orchid family plant. Both the roots and rhizomes of Gastrodia elata can be used medicinally, and it is a scarce and valuable Chinese medicinal herb. The propagation methods of Gastrodia elata are divided into asexual propagation and sexual propagation; propagation by seed is sexual propagation, which not only solves the problem of a shortage of seed tubers, but also avoids variety degeneration caused by long-term asexual propagation. The key techniques for sexual propagation of Gastrodia elata are recommended below for reference. 1. Site selection. The site for cultivating seeds should be chosen in a place that is convenient to manage, sheltered from wind, and where the soil does not accumulate water. The cultivation pit should be shallow and rectangular,
-
Key Technical Points and Detailed Methods for Sexual Propagation of Gastrodia elata
Early breeding and early sowing are important measures for shortening the growth cycle of Gastrodia elata. The elevation of Gastrodia elata growing areas is all above 1500 m, the temperature is relatively low, and the fruit harvesting period for breeding is from July to [month]. Because Gastrodia elata is bred in the same year and sown in the same year, attention must be paid to keeping to the season. To shorten the production cycle of Gastrodia elata, breeding can be carried out in low-elevation high-temperature areas or in greenhouses. When digging Gastrodia elata in winter, according to the requirements for selecting seed tubers, leave enough seed tubers for the next year. Cover the seed tubers well with soil so that they maintain a certain temperature and humidity, and in late February of the following year greenhouse breeding can begin,
-
Pest Control Methods and Key Technical Points for Panax notoginseng Seedling Fields
When aphids and scale insects cause damage, spray 50% phoxim emulsifiable concentrate at 1000 times dilution or 40% dimethoate emulsion at 1000 times dilution for control. In plots with a large number of white grubs and cutworms, apply 50-75 g of 90% trichlorfon crystals per mu mixed with 20 kg of fine soil and broadcast, or mix with 50 kg of chopped fresh vegetable leaves and broadcast in the evening. For rodents damaging Panax notoginseng gardens, based on their habit of hiding by day and coming out at night, block their burrows during the day and place rat traps, rat cages
-
Detailed Explanation of Prevention and Control Methods and Key Technical Points for Panax notoginseng Blight
Blight, also known as "leaf-drooping rot," begins to occur from April to May, and becomes severe from July to August. After being affected, dark green irregular lesions appear on the leaves or petioles, and the lesion color then deepens. The affected parts become soft, and the leaves look as if they have been scalded with boiling water, appearing semi-transparent, and later dry up or droop and stick to the base of the stems. Prevention and control methods: First, after harvesting the fruit, cut off the aboveground parts, clean the field, and spray the bed surface with 1-2 degrees Baume lime sulfur mixture for disinfection. Second, before the disease occurs, spray 1:1:200 Bordeaux mixture or 50% carbendazim 1000x solution, once every 7 days, for
-
Key Technical Points for Cultivating Oyster Mushrooms in the High-Temperature Season
For many years, many mushroom growers have tried to avoid cultivating oyster mushrooms in the high-temperature season, for reasons that are none other than high contamination rates, severe pests and diseases, and drastic market fluctuations. In response to these problems, a set of key points for cultivating oyster mushrooms in the high-temperature season is introduced here. Varieties must be selected accurately: choose varieties of the medium-to-high temperature type with strong stress resistance, pure white and dense mycelium, strong wall-climbing ability, and few aerial hyphae, and resolutely avoid medium-to-low temperature and low-temperature type varieties. The cultivation site must be chosen well: cultivation can be done beside courtyards, under tree shade, or in wild woods, but care must be taken to choose a place with good ventilation,
-
Method and Key Technical Points for Cultivating Oyster Mushrooms with Biogas Residue
1. Material preparation. Take fully decomposed biogas residue, cover it with plastic film to prevent pests from laying eggs on it, and drain the water for 24 hours before use. Select fresh, mold-free cottonseed hulls and turn them over to dry in the sun for 1-2 days. 2. Mixing. Mix according to 60% biogas residue and 40% cottonseed hulls, or 70% biogas residue and 30% cottonseed hulls. First mix the cottonseed hulls with water until moist, then mix thoroughly with the biogas residue. The moisture content should be such that water droplets appear when squeezed by hand but do not drip down. 3. Making the mushroom bed. Choose an indoor or outdoor location with good ventilation and light. If it is on an upper-floor surface, use plastic film as a base. The bed width is 80
-
Key Technical Management Points for the Spawn-Running Period of Autumn-Cultivated Oyster Mushrooms
The period from spawning to the appearance of fruiting bodies is called the spawn-running period. The level of technical management during this period determines whether the oyster mushroom mycelium can grow and develop normally in the substrate, and is the key period for achieving high-quality, high-yield oyster mushrooms in the future. Therefore, strengthening management during the spawn-running period of oyster mushrooms is crucial. In my investigations, I have found that many oyster mushroom producers believe oyster mushrooms are easy to grow and manage extensively. After spawning, they often neglect scientific management during the spawn-running period and become careless, which leads to reduced yields and poor harvests of oyster mushrooms, and in severe cases, complete crop failure.
-
Key Technical Points for Introduction and Propagation of Japanese New Lilium formosanum
I. Characteristics and Traits In 2004, New Lilium formosanum seeds were introduced from Japan for planting. The plant height reaches 40--70 cm, the flowers are pure white, trumpet-shaped, with 1 terminal flower. After flowering and bulb development, it takes only about 8 months from sowing to flowering. The propagation coefficient is high, it is pathogen-free, and it possesses some excellent traits of Lilium formosanum. After more than two years of trial planting and promotion at the Daheng Science and Technology Park and the Taqian Lily Base in Nanping City, the suitable sowing period for New Lilium formosanum is late September to mid-October, and flowers can be harvested 9 months after sowing. New Lilium formosanum is a hybrid of Japan's Takasago Lily and Taiwan Lilium formosanum
条件筛选