Toona sinensis cultivation management technology

First, the harvest and storage of quail species 1. The harvest of quail species. Eucalyptus generally only produces seeds 15 years later. The harvest time depends on the color of the horns. Generally 85%-90% of the seed husks are picked in dark brown; if delayed harvesting, the shells are exposed to sunlight. The crack will open naturally and the grain will fall off. When harvesting the pods on the shoots, they can bind the rakes to the bamboo rakes and cut them off in a string. Do not damage the shoots so as not to affect the production in the coming year. 2, the storage of quail species. 1 with shell storage: sunny harvested glutinous species, without drying, but the green shell horns should be individually exposed, let it fully dry; cloudy or light rain harvested pod species should be sun exposure as soon as possible, otherwise prone to mildew change. The air-dried seed can be stored in a sack or stored in a dry, ventilated room, away from the fire, to prevent the intrusion of harmful gases such as soot, fertilizers, and pesticides. Always check during storage. If mildew is found, dry it immediately. 2 Shelling Storage: The collected oyster horns are spread in the sun, and when the shell is opened, the horns are constantly turned and the grains in the shell will fall off. After the grain is taken out, if it is not eager to sow, it can be stored in cold storage or magnetized and stored in bags. This storage treatment can extend its shelf life and increase the germination rate. Second, the technology of seedlings, a seedling seedlings. 1 Land preparation. Before the cultivation, 5000 kg of soil fertilizer was applied to Mushi, 100 kg of three-element compound fertilizer, and 30 cm or more of plough depth required fertilization, soil breaking and leveling. After the site preparation, a 0.5-meter-wide sorghum is made. The drought can be poured and the concrete can be drained. 2 sowing. Seeds used new seeds collected in the fall of last year, and the germination rate was over 40%. Soak it in cold water for 12 hours before sowing and remove it for sowing. Use a raft to open the ditch, each trip 2 lines, spacing 20 cm, cover soil 0.5 cm, 4 kg per mu. 3 post-broadcast management. In addition to the normal sowing in the spring, the summer can still be sown. Due to the high temperature of summer seedlings and rain, it is not conducive to the germination of camphor. It can be shaded by shade awnings or shading nets. The temperature of the ground can also be controlled below 25°C with the sprayer. The soil moisture is controlled between 16% and 18%. Under this condition, the seeds can bud after about 13 days. After sprouting, spray 800 times and stand up to prevent the disease. When the seedling height is 10 cm, combine the tillage and weeding to carry out the seedlings, and the spacing is 10 cm. In order to cultivate high quality and strong seedlings, every 7 days, spray 0.02% urea or potassium dihydrogen phosphate solution once to the citron seedlings, spray 4 times, and spray 25% triadimefon 2000 times to prevent rust turmeric. 2, rooting seedlings. The use of roots to propagate scented pods is fast and has a high survival rate. 1 root collection and treatment: It is appropriate to collect roots every spring from April to May, and young roots are preferred. After the root is excavated, choose a root with a diameter of 1.5-2 cm. Cut it into a root section about 10-15 cm long with a pruning shear. The big head (above) is cut into planes, and the small head (below) is cut into bevels. To expand the inserted contact surface and promote rooting. 2 Set up the bed to make up: The nursery should choose the land with fertile soil, convenient drainage and good feelings. There is no need to fertilize before the preparation, so as not to cause root rot. Deep plowing and leveling the ground, remove the debris, try to make the soil finely crushed, and then make a puppet that grows 5 meters wide and 1 meter wide. 3 Rooting method: firstly measure the distance in the ground with a measuring rope, with a row spacing of 40 cm, and a 6-8 cm deep ditch along the line, insert the roots 15 cm apart from the plant spacing, and then cover the soil from both sides. To expose the ground 1-2 cm. 4 Post-insertion management: After the seedlings have germinated, they should be ditched and cultivated, and then pour water once. When the seedling height is 10-20 centimeters, pour water once again. Combine lightly with water and apply some nitrogen fertilizer. Remove it in time. In order to prevent the occurrence of root rot, it is necessary to control the pouring of large amounts of water and spray lime water once every half month or so. If the disease has already occurred, it can be sprayed with 0.5%-2.5% ferrous sulfate solution and then sprayed with water to wash the seedlings. Sporadic disease can uproot the diseased plants and then disinfect the soil. Third, the management of greenhouse scent wolfberry 1, adjust the temperature, humidity and light. 1 temperature adjustment. According to observations, the greenhouse temperature is around 25°C, and buds can grow 3-4cm long at night, but at 15°C, it is only 1cm long; when the greenhouse temperature exceeds 35°C, it affects the coloration and quality of the loquat section. Therefore, it is necessary to control the temperature according to the harvesting period. After 10-15 days of deduction, the seedlings should be raised. The temperature should be increased. The daytime temperature can be controlled at about 30°C. After more than a month of natural light and temperature accumulation, the buds germinate and the daytime temperature is controlled at 25-30°C. At night at 13-17°C, the minimum must not be less than 7%. The temperature is preferably 18-25 °C during the shoot picking. 2 humidity adjustment. The seedlings planted in the greenhouse initially have poor water absorption capacity, and thus they should maintain high soil moisture and air humidity at the initial stage. After planting, they should be irrigated with water, and water can be poured as appropriate. The relative humidity of the air should be maintained at more than 85%. It is also necessary to spray water on seedlings in sunny days to prevent seedlings from dehydration and desiccation. After germination, the relative humidity of air is about 70%, and the humidity is too high. Not only the germination is slow, but also the flavor is greatly reduced. 3 light adjustment. Toon light hi light, should try to use non-drop film, timely removal of grasshoppers, paper quilt during the day, while also regularly cleaning debris on the membrane, and fully increase the light. If the light is too strong, shady grass can be properly covered. 2. Topping promotes branching. When picking the second musk ape bud, the top should be removed and dried at the same time (approximately 40 cm above the ground is suitable for top-down and dryness), and 15% paclobutrazol should be sprayed at a concentration of 200-500 ppm to achieve dwarfing cultivation. Since then, according to the tree development, timely topping, fighting, to ensure that the crown more branches, more axillary buds. 3, scientific management of water and fertilizer. Toona sinensis is a fast-growing woody vegetable with low water requirement. The absorption of fertilizer is high. The demand for potash is high. The annual greenhouse temperature is 300 square meters. The base fertilizer needs to be fully decomposed with about 2,500 kilograms of quality manure, 75-150 kilograms of plant ash or phosphoric acid. Dihydrogen potassium 3-6 kilograms, US diammonium 3-6 kilograms. Appropriate amounts of topdressing and watering should be performed after each picking. 4, set of light film bag. When the ground temperature reaches 18°C ​​or more after the rain, the shed film can be removed to allow the seedlings to grow naturally. Although the growth is faster after this time, it is easy to be aged. Black and red 2-layer 2-color vinyl film bags should be prepared as soon as possible. When the scented shoots grow to 5 cm, they are covered with a light-separating film bag, which not only increases the yield, but also ensures that the axillary buds do not age. When the axillary bud grows to 15 cm, it is taken together with the bag and sold to the bag. The film bag can be used repeatedly. 5, shoots and packaging. 40-60 days after decaling, when the axillary bud grows to 15-20 cm and the coloring is good, the shoot can be started. Shooting should be done in the morning and evening. The axillary bud (that is, the bud that is born on the top of the branch) is superior in quality and color and is the top grade in the axillary bud, which should be harvested at 12-15 cm. When the second axillary bud grows to 20 centimeters, it is timely harvested and topping to promote lateral shoots and cryptic buds and increase yield. Temperate buds are generally harvested every 10 days. Post-harvest topdressing and watering after harvest to promote growth. Before and after the Spring Festival, the toon buds that are listed on the market must be carefully bundled after being picked. Usually, one bundle is used for every 50-100 grams and sealed in a plastic bag to prevent moisture from evaporating.

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