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Cuttage and rapid propagation method for eustipes of double leaf segments of purple yam

A technology of purple yam and double-leaf joint is applied in the field of fast propagation of purple yam stem-leaf double-leaf joint cutting, which can solve the problems of restricting the propagation and promotion of purple yam, and achieve the effects of avoiding propagation and spreading, early emergence and developed root system.

Inactive Publication Date: 2012-02-22
XUZHOU ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, purple yam in my country is propagated by cutting tubers, and its reproduction coefficient is only 10 to 15 times, which greatly limits the propagation and promotion of purple yam.
There is no report about the rapid propagation technology of stem and leaf cuttings of purple yam

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] (1) Early planting of mother potatoes covered with plastic film in spring: "Fujian Wuyi Mountain Purple Field Potato" was selected as the mother potato. On April 11, 2009, a yam ridging machine was used to make a ridge, with a ridge width of 85-90 cm, a ridge height of 35-40 cm, a plant spacing of 25-28 cm, a density of 3300 plants / mu, and a mother potato size of 50-80 g / block. Film-covered early-planted mother potatoes.

[0012] (2) Rapid Propagation of Cuttings at the Double Leaf Festival in Summer: After 9 o'clock in the morning on August 16, 2009, select branches with vigorous growth, thick and short internodes, and no pests and diseases, and cut semi-lignified branches from the middle of the vine with scissors. 4 stems and leaves of double leaf nodes. First use a blade to cut the lower stem node from the middle of the stem to the base of the petiole to break the dormancy of the stem and leaf axillary buds; then use the GGR-6 No. new green plant growth regulator 10...

Embodiment 2

[0016] (1) Spring mulching and early planting of mother potatoes: "Zhejiang Huangyan purple plant medicine" is used for mother potatoes. On April 8, 2010, a yam ridging machine was used to make a ridge with a ridge width of 85-90 cm, a ridge height of 35-40 cm, a plant spacing of 25-28 cm, a density of 3300 plants / mu, and a mother potato size of 50-80 g / block. Carry out film-covered early planting mother potatoes.

[0017] (2) Rapid Propagation of Cuttings at the Double Leaf Festival in Summer: After 9 am on July 11, 2010, select branches with vigorous growth, thick and short internodes, and no pests and diseases, and use scissors to cut semi-lignified branches from the middle of the vine. 3 double-leaved stems and leaves. First use a blade to cut the lower stem node from the middle of the stem to the base of the petiole to break the dormancy of the stem and leaf axillary buds; then use the No. GGR-6 new green plant growth regulator 100ppm solution produced by the ABT Researc...

Embodiment 3

[0021] (1) Spring mulching and early planting of mother potatoes: "Xu Nong Ziyao" is used for mother potatoes. On April 8, 2010, a yam ridging machine was used to make a ridge with a ridge width of 85-90 cm, a ridge height of 35-40 cm, a plant spacing of 25-28 cm, a density of 3300 plants / mu, and a mother potato size of 50-80 g / block. Carry out film-covered early planting mother potatoes.

[0022] (2) Rapid Propagation of Cuttings at the Double Leaf Festival in Summer: After 9 am on July 12, 2010, select branches with vigorous growth, thick and short internodes, and no pests and diseases, and cut semi-lignified branches from the middle of the vine with scissors. 3 double-leaved stems and leaves. First use a blade to cut the lower stem node from the middle of the stem to the base of the petiole to break the dormancy of the stem and leaf axillary buds; then use the GGR-6 No. new green plant growth regulator 100ppm solution produced by the ABT Research Center of the Chinese Acad...

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Abstract

The invention discloses a cuttage and rapid propagation method for eustipes of double leaf segments of purple yam, belonging to the propagation method of purple yam. The method comprises the following specific steps of: (1) covering a plastic film and planting parent yam early: ridging, covering the plastic film and planting parent yam early in the first or middle ten days of April every year; (2) carrying out cuttage and rapid propagation of double leaf segments in summer: carrying out cuttage on braches with vigorous growth, short segments and no diseases and insect pest in a cuttage shed covered by a sun-shielding net after 9 in the morning in a sunny day from the ending of July to the beginning of August when the vines of the purple yam nearly climb fully the built propeller strut, shielding light, cooling and insulating heat within 2 weeks after planting, and removing the sun-shielding net until the middle or last ten days of September when the eustipes of the double leaf segments of the purple yam completely survive, thus the purple yam normally grows in the plot; and (3) harvesting miniature purple yam in autumn. The method has the beneficial effects: the propagation coefficient of the purple yam is increased in geometric progression, thus the production cost is lowered; and the obtained miniature yam can be popularized in a large area, and the propagation and spread ofthe original diseases and insect pests of the purple yam are avoided.

Description

technical field [0001] The invention relates to a propagation method of purple yam, in particular to a method for rapid propagation of purple yam stem-leaf double-leaf node cuttings. It is mainly used for the rapid propagation of purple yam stem and leaf cuttings to take root and produce miniature tubers. Background technique [0002] Yam (Dioscorea opposite Thunb) is a high-efficiency economic crop that can be used as grain, vegetable and medicine, and it is also one of the special vegetables for foreign exchange earning in my country. Xu Nong Ziyao is a new variety of purple yam introduced and screened by Xuzhou Academy of Agricultural Sciences from Zhejiang, Fujian, Guangxi and other places in 2006, and detoxified, purified and rejuvenated. It is named for its purple meat. a characteristic variety. Purple yam is rich in anthocyanins and has a wide range of uses. It can be used as a delicacy on the table and as a health-care medicinal material. Regular consumption of pur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
Inventor 史新敏周志林唐忠厚孙健
Owner XUZHOU ACAD OF AGRI SCI
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