Cuttage propagation method for plumbago auriculata
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A technology of cutting propagation and blue flower dan, applied in the field of plant cultivation, can solve the problem of high cost, and achieve the effects of reduced cost, abundant root system, and simple and easy operation.
Inactive Publication Date: 2013-12-18
SICHUAN AGRI UNIV
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Sexual reproduction is mainly by sowing. As an exotic species, domestic...
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Embodiment 1
[0019] The present embodiment provides a method for cutting propagation of blue flower Dan, mainly takes cutting propagation as technical support, selects hard branch cuttings of blue flower red, and uses different growth regulators to test the influence of cutting propagation (growth regulator combination formula is shown in Table 1, Table 2), finally selected a group of optimal growth regulator combination formulas through optimized combination.
[0020] First prepare the slotting bed: the slotting bed is 1.2m high, 5m long, 1.0m wide, and 0.6m deep. Leave holes every 1.5-2.0m at the base of the slotting bed as drainage holes, lay a layer of 15-20cm thick pebbles on the bottom of the bed, cover with a layer of 10cm thick fine river sand, and then spread 15cm river sand and vermiculite on the upper layer (1:1) as a cutting substrate. The matrix is sprayed and sterilized with 0.3% potassium permanganate solution before cutting, sealed and sterilized for 2 hours, washed thor...
Embodiment 2
[0036] In this embodiment, the traditional method is adopted to propagate the blue flower dan, that is, to propagate by sowing.
[0037] Select plump and insect-free seeds, disinfect them with 3% potassium permanganate solution for 30 minutes, rinse them with distilled water, and then process the seeds for imbibition. Each treatment was replicated 3 times, and each replicated 30 seeds. The seeds were spread on a petri dish with wet filter paper at the bottom, and placed in a light incubator for cultivation at a temperature of 25°C / 18°C (day / night). ), light for 12h.
[0038] During the cultivation period, use ionized water to keep the surface of the seeds moist, take out the moldy seeds, wash them and put them back, and remove the rotten seeds. Observe the germination and growth of the seeds every day, record the number of germinated grains and measure the root length until the number of seeds germinated is 0 for 2 consecutive observations, and the radicle breaks through the ...
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Abstract
The invention relates to the technical field of plant cultivation, in particular to the technical field of plumbago auriculata cuttage. The technical scheme aims at providing a cuttage propagation method for a plumbago auriculata. The cuttage method of the plumbago auriculata comprises the steps of shearing middle-upper hard stems of the plumbago auriculata as cutting slips with the length of 10-12cm; preparing a transplanting bed matrix by roseite and river sand with the preparation proportion of 1:1; after soaking the hard stems of the plumbago auriculata into a solution containing 500mg/L of IAA (Indoleacetic Acid), 500mg/L of IBA (Indole Butyric Acid), and 1000mg/L of NAA (Naphthalene Acetic Acid) for 30 seconds, planting the hard stems of the plumbago auriculata into the transplanting bed, and pouring water over the hard stems. The cost of the plumbago auriculata cut by the method can be greatly reduced, the rate of survival is high and can reach up to 92.22%, the rooting time is earlier, the growth and development is fast, and the reproductive cycle of the plumbago auriculata can be reduced, so that a new high-efficient propagation method can be provided for the production of the plumbago auriculata; the cuttage propagation method is simple and feasible, and is easy to popularize.
Description
technical field [0001] The invention relates to the technical field of plant cultivation, in particular to a cutting propagation method of blue flower dan. Background technique [0002] Plumbago auriculata is native to South Africa and is a perennial shrub of the Plumbago family Plumbago. The flower color of blue flower is light blue, which is a rare cool-toned flower with a long flowering period, so blue flower has high ornamental value in gardens. Blue flower dan is also an important source of medicinal ingredient plumbagin in African and European countries. Blue flower root is rich in plumbagin. Plumbadansin is one of the important active ingredients of plumbaceae plants with anti-tumor effect, and has anti-bacterial, anti-inflammatory, anti-cancer and other effects. [0003] At present, due to the large-scale collection of blue flower dan to extract plumbagin in Europe and Africa, the natural resources of this species are rapidly depleted. Indigo is a heterostylized ...
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