Method for promoting germination of polygonatum cyrtonema seeds
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A technology of Polygonatum polyflora and seeds, which is applied in the fields of seed and rhizome treatment, application, agriculture, etc., can solve the problems of late emergence time, low emergence rate, and low seed germination rate, and achieve the effect of promoting seedling emergence and overcoming slow germination.
Active Publication Date: 2020-10-30
重庆市药物种植研究所
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In the natural state, the dormancy phenomenon of Polygonatum multiflora seeds is serious. After the seeds are harvested and planted, they grow roots in the s
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Embodiment 1
[0028] Reference attached Figure 1-2 , a kind of method for promoting the germination of Polygonatum polyflora seeds of the present embodiment, carries out according to the following steps:
[0029] S1: process the river sand, wash the river sand with clean water, sterilize it at high temperature, and cool it for later use;
[0030] S2: processing the Polygonatum multiflora fruit, removing the peel and pulp from the Polygonatum multiflora fruit, taking out the Polygonatum multiflora seeds, washing and drying to obtain ungerminated Polygonatum multiflora seeds;
[0031] S3: Prepare 200mg / kg gibberellin solution, use the gibberellin solution to moisten the river sand in S1 to a humidity of 14%;
[0032] S4: treating Polygonatum multiflora seeds, mixing Polygonatum multiflora seeds in S1 with carbendazim wettable powder;
[0033] S5: Stratify the Polygonatum multiflora seeds in S4 in the river sand in S3, and treat them at 29°C for 45 days to obtain germinated Polygonatum mult...
Embodiment 2
[0040] A kind of method for promoting the germination of Polygonatum polyflora seeds in the present embodiment is the same as embodiment 1, and will not repeat them here. The difference is that the river sand in S1 is moistened to a humidity of 18 with gibberellin solution in the present embodiment S3. %.
Embodiment 3
[0042] A kind of method for promoting the germination of Polygonatum polyflora seeds in the present embodiment is the same as embodiment 1, and is not repeated here, and the difference is that the river sand in S1 is moistened to a humidity of 16 with gibberellin solution in the present embodiment S3. %.
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Abstract
The present invention relates to the technical field of plant cultivation and particularly to a method for promoting germination of polygonatum cyrtonema seeds. The method comprises the following steps: S1, processing river sand; S2, processing polygonatum cyrtonema fruits; S3, preparing a 200 mg/kg gibberellin solution, using the gibberellin solution to moisten the river sand in the S1 to a humidity of 14%-18%; S4, treating polygonatum sibiricum seeds; S5, conducting stratification of the polygonatum sibiricum seeds in the S4 in the river sand in the S3, conducting treatment at 28 DEG C-29 DEG C for 45 days and keeping the humidity of the river sand at 14%-18% during the treatment period to obtain germinated polygonatum sibiricum seeds; and S6, conducting a low-temperature treatment of the polygonatum cyrtonema seeds in the S5 and then sowing the seeds in the soil. Compared with polygonatum cyrtonema seeds in a natural state, the polygonatum cyrtonema seeds treated by the method havea germination rate increased to 92% or more and an emergence rate increased to 83% or more. Compared with the polygonatum cyrtonema seeds treated by a conventional germination technology, the polygonatum cyrtonema seeds treated by the method of the present invention are also obviously increased in the germination rate and emergence rate and greatly improved in breeding efficiency of polygonatum cyrtonema seedlings.
Description
technical field [0001] The invention relates to the technical field of plant cultivation, in particular to a method for promoting the germination of Polygonatum multiflora seeds. Background technique [0002] Polygonatum multiflora is a perennial herb of the genus Polygonatum in the family Liliaceae. The rhizomes are thick, rarely nearly cylindrical, and the stem height can reach 100 cm. The leaves are alternate, oval, ovate-lanceolate to oblong-lanceolate, Umbels, yellow-green perianth, black berries, flowering in May-June, fruiting in August-October. [0003] Polygonatum multiflora is mainly distributed in Sichuan, Chongqing, Guizhou, Hunan, Hubei, Henan, Jiangxi, Anhui, Jiangsu, Zhejiang, Fujian, Guangdong, and Guangxi in China. Born in forests, shrubs or shaded hillsides, Polygonatum multiflora is artificially planted in Nanchuan, Xiushan, Pengshui, Kaizhou, Shizhu, Tongliang and other places in Chongqing. [0004] The medicinal part of Polygonatum multiflora is the rh...
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