Root propagation seedling culture method for bearberry cornus macrophylla
A technology of saffron and bearberry is applied in the field of root breeding seedlings of bearberry saffron, which can solve the problems of inability to germinate the seeds and seeds, high cost of raising seedlings, and high oil content in pulp, and achieves improvement of the survival rate of seedling transplanting, wide application and high efficiency. The effect of promotion prospect and high survival rate
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Embodiment 1
[0025] (1) Seedbed preparation: In March 2013, the root propagation seedling experiment of Ursifera was carried out in the Jiangsu Academy of Forestry Sciences. The site where the seedbed is located has been leveled, deep plowed and improved, and debris such as grass roots, stones, and plastics have been removed. Build a cutting pool according to the expected amount of seedlings, first spread 10cm thick medium-coarse sand in the pool as the bottom sand, and then spread the cutting substrate after a little suppression, so that the height of the bed surface is roughly equal to the edge of the pool.
[0026] (2) Matrix preparation and sterilization: use a commercially available mixture of perlite, husk chaff ash, and vermiculite as the matrix, and the mixing ratio of the three is 2:1:1. The matrix was exposed to the sun for 1 week 15 days before cutting, and then disinfected and sterilized, that is, the matrix was sterilized once in rotation with thiabendazole and hymexazol aqueo...
Embodiment 2
[0035]In March 2013, the root propagation experiment of Ursia japonica was simultaneously carried out in the Jiangsu Academy of Forestry Sciences. According to the steps (1)-(2) in this embodiment 1, the preparation of the cutting bed and the deployment of the substrate, and the substrate was sterilized with 45wt% thiabendazole aqueous solution; the cuttings were cut according to the above steps (3); the preparation of the cuttings After completion, soak in tap water for 6 hours and then insert them on the pre-prepared slotting bed with a depth of 8cm and a row spacing of 2cm×6cm. Every 7 days after inserting, use 50wt% compound thiophanate and 64wt% oxadromone zinc aqueous solution to sterilize once alternately. The results showed that the rotten roots of the cuttings were less, but the roots of the cuttings began to produce callus 15 days after transplanting, and began to take root after 25 days. After 40 days, the rooting rate was 70.3%, the average root length was 6.8cm, a...
Embodiment 3
[0037] In June 2013, the young branch cutting experiment of Ursifera was carried out in the Jiangsu Academy of Forestry Sciences. According to the steps (1)-(2) in this embodiment 1, the bed preparation and the matrix deployment were carried out, and the matrix was sterilized with 45wt% thiabendazole aqueous solution; the 2-year-old semi-lignified branches were selected as cuttings, and the The length is 10-15cm, the upper incision is flat, and the lower incision is inclined. According to the step (4) in the present embodiment 1, the cuttings were subjected to root-promoting treatment, and the cuttings and post-insertion management were in accordance with the steps (5)-(7). The results showed that the cuttings were more rotten, the rooting rate was lower than 25% after 40 days, the average root length was 4.8 cm, the number of roots was 4, and the transplanting survival rate of rooted seedlings was less than 60%.
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