CN106941807B - Method for regularly dormancy breaking of dioscorea opposita seed potatoes - Google Patents

Method for regularly dormancy breaking of dioscorea opposita seed potatoes Download PDF

Info

Publication number
CN106941807B
CN106941807B CN201710157298.0A CN201710157298A CN106941807B CN 106941807 B CN106941807 B CN 106941807B CN 201710157298 A CN201710157298 A CN 201710157298A CN 106941807 B CN106941807 B CN 106941807B
Authority
CN
China
Prior art keywords
potato
chips
regularly
yam
dormancy breaking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710157298.0A
Other languages
Chinese (zh)
Other versions
CN106941807A (en
Inventor
韦本辉
申章佑
周佳
甘秀芹
刘斌
周灵芝
李艳英
劳承英
胡泊
吴延勇
韦元波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Zhuang Nationality Autonomous Region Academy of Agricultural Sciences
Original Assignee
Institute of Economic Crops of Guangxi Academy of Agricultural Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Economic Crops of Guangxi Academy of Agricultural Sciences filed Critical Institute of Economic Crops of Guangxi Academy of Agricultural Sciences
Priority to CN201710157298.0A priority Critical patent/CN106941807B/en
Publication of CN106941807A publication Critical patent/CN106941807A/en
Application granted granted Critical
Publication of CN106941807B publication Critical patent/CN106941807B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C1/00Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

The invention discloses a method for regularly dormancy breaking of dioscorea opposita seed potatoes, which comprises the following steps: naturally airing the mature yam blocks without diseases, insect pests and damage, and then putting the yam blocks into a warehouse for storage; the refrigeration time is determined according to the sowing time. 7-10 days before sowing, taking out from a refrigeration house, airing outdoors, cutting the chips into segments according to requirements, sterilizing by using a medicament, inducing germination by using a chemical, placing the chips in a sand heap for accelerating germination or directly sowing for accelerating germination, and germinating and sprouting in 15-20 days. The method can realize the 'timing dormancy breaking' according to the planting time arrangement requirement, the dormancy breaking germination rate can reach more than 90 percent, the emergence rate can reach more than 85 percent, the adjustment of the planting season and the harvesting time to market is realized, and the economic benefit is improved. The method can solve the seed source problem of the winter Chinese yam seeds in summer in the south, and can also sow and sprout seedlings in advance in the north, increase the effective growth period and improve the yield per unit and the quality.

Description

Method for regularly dormancy breaking of dioscorea opposita seed potatoes
Technical Field
The invention relates to the technical field of Chinese yam seed potatoes, in particular to a method for regularly dormancy breaking of Chinese yam seed potatoes.
Background
Rhizoma Dioscoreae (Dioscoreaoposita Thunb.) is also known as rhizoma Dioscoreae, rhizoma Solani Tuber osi, rhizoma Dioscoreae, and rhizoma Dioscoreae. Is dried rhizome of Dioscorea opposita Thunb of Dioscoreaceae. The Chinese yam is rich in nutrition and has good food therapy effect. In recent years, people pay more attention to nutrition and health, and Chinese yam is sought after by people. The demand of Chinese yam is not enough, and the price is gradually increased. Therefore, how to scientifically plant the Chinese yams is a topic worthy of research.
The yam seeds have the characteristic of dormancy, generally, the yam seeds can be harvested in 10-11 months in the same year and can germinate only after being sowed in 3 months in the next year, and the dormancy period is as long as 4-5 months, so that the yam seeds are strictly limited in planting season and harvesting time to market. Therefore, if the Chinese yam dormancy breaking and side-length seedling border tuber bearing can be realized, a new production mode of 'winter planting and summer harvesting' Chinese yam can be explored and developed for southern areas in China by using winter vacant land, sugarcane overwintering perennial root land and the like, early sowing and early seedling emergence can be realized in northern areas, and the effective growth period and the yield per unit are increased.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method utilizes seed potatoes planted and harvested in the previous year to realize 'timed dormancy breaking' according to planting time arrangement requirements after low-temperature storage and related treatment, improves the germination rate and the emergence rate, realizes adjustment of planting seasons and harvesting time to market, and improves economic benefits.
The technical content of the invention is realized as follows:
the invention discloses a method for regularly dormancy breaking of yam seeds, which comprises the following steps:
(1) selecting potato blocks: selecting mature rhizoma Dioscoreae pieces without damage of disease and insect and mechanical injury, and naturally drying under good ventilation condition for 1-2 days.
(2) Pretreatment: placing the spare potato blocks into a refrigeration house for storage; firstly, arranging 8-15 cm-high battens on the ground of a refrigeration house, then regularly and transversely placing the chips on the battens, and fixing the periphery of the chips by using a wood frame.
(3) And (3) post-treatment: after the cold storage is finished, taking out the chips from the cold storage 7-10 days before the Chinese yam is sowed, and airing the chips outdoors for 3-5 days at the ventilated place again; and cutting the potato chips into segments with the length of 5-7cm for later use.
(4) And (3) disinfection: the following disinfectant is prepared according to the parts by weight: 4-8 parts of carbendazim, 1-2 parts of pyraclostrobin, 20-30 parts of quicklime powder and 5-8 parts of agricultural streptomycin; and uniformly mixing 1-3 kg of disinfectant with 100 kg of rhizoma dioscoreae and potato blocks for later use.
(5) Chemical induction: the yam seed is cut into blocks and placed in 8-15mg/L gibberellin, 25-50mg/L potassium humate and 2mg/L50% carbendazim aqueous suspending agent treatment liquid, the temperature is controlled to be 17-25 ℃, and the processing is carried out for 30-50 min.
(6) Accelerating germination: the potato blocks treated by the chemical agent are placed in a sand heap for accelerating germination or are directly sown in a seedbed for accelerating germination.
And (3) airing the potato blocks in the steps (1) and (3) at the temperature of 15-25 ℃.
And (3) putting the chips in the cold storage at a high height according to the height of the cold storage and convenience in manual operation.
The storage conditions of the refrigerator in the step (2) are as follows: controlling the temperature to be 5-7 ℃, and refrigerating for the following time: 7-10 days before the Chinese yam is sowed.
The Chinese yam is cut into blocks after the post-treatment, and the weight of each potato block is controlled to be 80-120 g.
The disinfectant preparation needs to crush all the components to 80-100 meshes, and needs to be diluted and stirred for the second time during disinfection and stirring, and the method comprises the following steps: mixing 1-3 kg of disinfectant with 20 kg of potato pieces, and mixing the mixture with the rest 80 kg of potato pieces until the mixture is uniform.
The disinfection also comprises a cutter for cutting the potato blocks, and the disinfection method comprises the following steps: soaking the cutter in 75% ethanol for 8-10 min.
The temperature of the sand heap or seedbed for accelerating germination is controlled to be above 25 ℃.
The invention has the beneficial effects that: the method of the invention can realize the regular dormancy breaking according to the planting time arrangement requirement after the seed potatoes planted and harvested in the previous year are stored at low temperature and are subjected to relevant treatment, the dormancy breaking germination rate can reach more than 90 percent, the emergence rate can reach more than 85 percent, the adjustment of the planting season and the harvesting time on the market is realized, and the economic benefit is improved. The method can solve the seed source problem of the winter Chinese yam seeds in summer in the south, and can also sow and sprout seedlings in advance in the north, increase the effective growth period and improve the yield per unit and the quality.
Detailed Description
Example the method was carried out in Shandongten, 11 months and 22 days in 12011.
(1) Selecting potato blocks: selecting Chinese yam harvested in Anhui in this year, and selecting the standard: the yam blocks are ripe, and have no harm of diseases and insects and no mechanical damage. Keeping the temperature at 15-25 deg.C under good ventilation condition, and naturally drying for 1-2 d.
(2) Pretreatment: placing the spare potato blocks into a refrigeration house for storage; firstly, arranging 8-15 cm-high battens on the ground of a refrigeration house, and then regularly and transversely placing the chips on the battens, wherein the periphery of the chips is fixed by a wood frame; the placing height of the chips in the cold storage depends on the height of the cold storage and the convenience of manual operation; the refrigeration conditions were: the temperature is controlled at 5-6 deg.C, and the product is refrigerated from 11 months and 22 days to 2012 months and 31 days.
(3) And (3) post-treatment: taking out the chips from the refrigeration house, and airing the chips outdoors for 3-4 days at the ventilation position again; then cutting the chips into segments with the length of 5-7cm, wherein each block has the mass of 80-100g, and a cutter used for cutting is sterilized in advance according to the following requirements: soaking the cutter in 75% ethanol for 8-10min, and planning to sow for 2/8 days in 2012.
(4) And (3) disinfection: the following disinfectant is prepared according to the parts by weight: 40 kg of carbendazim, 10 kg of pyraclostrobin, 200 kg of quicklime powder and 50 kg of agricultural streptomycin, respectively crushing the components to 80-100 meshes, and then uniformly stirring and mixing for later use; and 3 kg of disinfectant is mixed with 20 kg of common yam rhizome blocks in advance, and then mixed with the rest 80 kg of potato blocks until the mixture is uniform for later use.
(5) Chemical induction: the yam seed is cut into blocks and placed in 8-15mg/L gibberellin, 25-50mg/L potassium humate and 2mg/L50% carbendazim aqueous suspending agent treatment liquid, the temperature is controlled to be 17-25 ℃, and the processing is carried out for 30-50 min.
(6) Accelerating germination: the potato blocks treated by the chemical agent are placed in a sand heap for accelerating germination or are directly sown in a seedbed for accelerating germination, the temperature of the sand heap or the seedbed is controlled to be 25-27 ℃, the humidity is controlled to be 60-70%, and the potato blocks germinate and emerge in 15 days.
The statistical and analytical results show that the germination rate of the yam tuber processed in Shandong Tengzhou is 92.4%, and the average emergence rate is 88.2%.
Example the method was carried out in Zhanjiang, Guangdong, 2 months and 1 day, 22013.
(1) Selecting potato blocks: the method comprises the steps of selecting Chinese yam harvested at the end of 10 months in a certain county of Huai Nan, Anhui province as seed yam, selecting mature Chinese yam blocks without damage of diseases and insects and mechanical damage, and naturally airing for 2-3d under a good ventilation condition at the temperature of 15-25 ℃ for later use.
(2) Pretreatment: placing the spare potato blocks into a refrigeration house for storage; firstly, arranging 8-15 cm-high battens on the ground of a refrigeration house, and then regularly and transversely placing the chips on the battens, wherein the periphery of the chips is fixed by a wood frame; the placing height of the chips in the cold storage depends on the height of the cold storage and the convenience of manual operation; the refrigeration conditions were: controlling the temperature at 5-7 deg.C, refrigerating to 4 months and 3 days, and planning seeding time at 4 months and 12 days.
(3) And (3) post-treatment: taking out the chips from the refrigeration house, and airing the chips outdoors for 3-5 days at the ventilation position again; then cutting the potato chips into segments with the length of 5-7cm, wherein each block has the mass of 100-: soaking the cutter in 75% ethanol for 8-10 min.
(4) And (3) disinfection: the following disinfectant is prepared according to the parts by weight: 80 kg of carbendazim, 20 kg of pyraclostrobin, 300 kg of quicklime powder and 80 kg of agricultural streptomycin, respectively crushing the components to 80-100 meshes, and uniformly stirring for later use; and uniformly mixing 1 kg of disinfectant with 20 kg of rhizoma dioscoreae potato pieces, and then mixing with the rest 80 kg of potato pieces until the mixture is uniform for later use.
(5) Chemical induction: the yam seed is cut into blocks and placed in 8-15mg/L gibberellin, 25-50mg/L potassium humate and 2mg/L50% carbendazim aqueous suspending agent treatment liquid, the temperature is controlled to be 17-25 ℃, and the processing is carried out for 30-50 min.
(6) Accelerating germination: placing the potato blocks treated by the chemical agent in a sand heap for accelerating germination or directly sowing in a seedbed for accelerating germination, controlling the temperature of the sand heap or the seedbed to be 26-28 ℃ and the humidity to be more than 80%, and germinating and sprouting in 20 days. The analysis result shows that: the germination rate of the potato blocks in the test is 95.2%, and the average emergence rate is 85.6%.
Example 3 the method is implemented in shanxi Yang Ling village, and the implementation time is 12 months and 12 days in 2014.
(1) Selecting potato blocks: selecting Chinese yam harvested at the beginning of 11 months without stannum in Jiangsu as seed potato, selecting mature Chinese yam blocks without damage of diseases and insects and mechanical damage, and naturally airing for 1-2d under the condition of good ventilation at the temperature of 15-25 ℃ for later use.
(2) Pretreatment: placing the spare potato blocks into a refrigeration house for storage; firstly, arranging 8-15 cm-high battens on the ground of a refrigeration house, and then regularly and transversely placing the chips on the battens, wherein the periphery of the chips is fixed by a wood frame; the placing height of the chips in the cold storage depends on the height of the cold storage and the convenience of manual operation; the refrigeration conditions were: controlling the temperature at 5-7 deg.C, refrigerating to 2015 year 3, month 6 days, and planning planting time to 3 months 13 days.
(3) And (3) post-treatment: taking out the chips from the refrigeration house, and airing the chips outdoors for 3-5 days at the ventilation position again; then cutting the chips into segments with the length of 5-7cm, wherein each segment has the mass of 90-110g, and a cutter used for cutting is sterilized in advance according to the following requirements: soaking the cutter in 75% ethanol for 8-10 min.
(4) And (3) disinfection: the following disinfectant is prepared according to the parts by weight: 60 kg of carbendazim, 15 kg of pyraclostrobin, 25 kg of quicklime powder and 60 kg of agricultural streptomycin, and the components are crushed to 80-100 meshes and then are stirred and mixed uniformly; and uniformly mixing 2 kg of disinfectant with 20 kg of rhizoma dioscoreae potato pieces, and then mixing with the rest 80 kg of potato pieces until the mixture is uniform for later use.
(5) Chemical induction: the yam seed is cut into blocks and placed in 8-15mg/L gibberellin, 25-50mg/L potassium humate and 2mg/L50% carbendazim aqueous suspending agent treatment liquid, the temperature is controlled to be 17-25 ℃, and the processing is carried out for 30-50 min.
(6) Accelerating germination: the potato blocks treated by the chemical agent are placed in a sand heap for accelerating germination or are directly sown in a seedbed for accelerating germination, the temperature of the sand heap or the seedbed is controlled to be 25-28 ℃, the humidity is controlled to be 60-70%, and the potato blocks germinate and emerge in 18 days. Statistics show that: the average germination rate of the test is 94.6%, and the average emergence rate is 90.0%.

Claims (4)

1. A method for regularly dormancy breaking of yam seeds is characterized by comprising the following steps: the method comprises the following steps:
(1) selecting potato blocks: selecting mature rhizoma Dioscoreae pieces without damage of disease and insect and mechanical damage, and naturally drying under good ventilation condition for 1-2 days;
(2) pretreatment: placing the spare potato blocks into a refrigeration house for storage, firstly arranging 8-15 cm-high wood strips on the ground of the refrigeration house, then regularly and transversely placing the potato strips on the wood strips, and fixing the periphery of the potato strips by using a wood frame;
(3) and (3) post-treatment: after the cold storage is finished, taking the chips out of the cold storage 7-10 days before the Chinese yam is sowed, airing the chips outdoors for 3-5 days at a ventilated place again, and cutting the chips into segments with the length of 5-7cm for later use;
(4) and (3) disinfection: the following disinfectant is prepared according to the parts by weight: 4-8 parts of carbendazim, 1-2 parts of pyraclostrobin, 20-30 parts of quicklime powder and 5-8 parts of agricultural streptomycin; uniformly mixing 1-3 kg of disinfectant with 100 kg of rhizoma dioscoreae and potato blocks for later use;
(5) chemical induction: cutting rhizoma Dioscoreae into pieces, placing in 8-15mg/L gibberellin, 25-50mg/L potassium humate and 2mg/L50% carbendazim water suspending agent treatment solution, controlling the temperature at 17-25 deg.C, and treating for 30-50 min;
(6) accelerating germination: putting the potato blocks treated by the chemical agent in a sand heap for accelerating germination or directly sowing in a seedbed for accelerating germination;
airing the potato blocks in the steps (1) and (3) at the temperature of 15-25 ℃;
the storage conditions of the refrigerator in the step (2) are as follows: controlling the temperature to be 5-7 ℃;
the Chinese yam is cut into pieces after the post-treatment, and the weight of each piece is controlled to be 80-120 g;
the temperature of the sand heap or seedbed for accelerating germination is controlled to be above 25 ℃.
2. The method for regularly dormancy breaking of yam seeds as claimed in claim 1, which is characterized in that: and (3) putting the chips in the cold storage at a high height according to the height of the cold storage and convenience in manual operation.
3. The method for regularly dormancy breaking of yam seeds as claimed in claim 1, which is characterized in that: the disinfectant preparation needs to crush all the components to 80-100 meshes, and needs to be diluted and stirred for the second time during disinfection and stirring, and the method comprises the following steps: mixing 1-3 kg of disinfectant with 20 kg of potato pieces, and mixing the mixture with the rest 80 kg of potato pieces until the mixture is uniform.
4. The method for regularly dormancy breaking of yam seeds as claimed in claim 1, which is characterized in that: the disinfection also comprises a cutter for cutting the potato blocks, and the disinfection method comprises the following steps: soaking the cutter in 75% ethanol for 8-10 min.
CN201710157298.0A 2017-03-16 2017-03-16 Method for regularly dormancy breaking of dioscorea opposita seed potatoes Active CN106941807B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710157298.0A CN106941807B (en) 2017-03-16 2017-03-16 Method for regularly dormancy breaking of dioscorea opposita seed potatoes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710157298.0A CN106941807B (en) 2017-03-16 2017-03-16 Method for regularly dormancy breaking of dioscorea opposita seed potatoes

Publications (2)

Publication Number Publication Date
CN106941807A CN106941807A (en) 2017-07-14
CN106941807B true CN106941807B (en) 2021-04-20

Family

ID=59472663

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710157298.0A Active CN106941807B (en) 2017-03-16 2017-03-16 Method for regularly dormancy breaking of dioscorea opposita seed potatoes

Country Status (1)

Country Link
CN (1) CN106941807B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106961947B (en) * 2017-03-16 2020-02-21 广西壮族自治区农业科学院经济作物研究所 Planting method for interplanting Chinese yam in overwintering perennial root sugarcane field

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103125176A (en) * 2013-03-08 2013-06-05 王多成 Sterilization method of potato seed block and used disinfectant
CN103907468A (en) * 2014-04-18 2014-07-09 江苏省农业科学院 Efficient seedbed breeding method of lump seed yams
CN104472131A (en) * 2014-11-05 2015-04-01 山东省农业科学院作物研究所 Chinese yam continuous cropping resisting cultivation technology
CN104541809A (en) * 2013-10-11 2015-04-29 朱全顺 Method for culturing purple yam

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH078189B1 (en) * 1986-12-02 1995-02-01 Kyowa Hakko Kogyo Kk
CN101455140B (en) * 2009-01-09 2011-06-29 云南农业大学 Yam bulbil dormancy-breaking germination-accelerating method
US20120157354A1 (en) * 2010-12-16 2012-06-21 Leiming Li Friction reducer
JP2012161311A (en) * 2011-01-18 2012-08-30 Mitsuo Tokiwa Method for raising propagule

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103125176A (en) * 2013-03-08 2013-06-05 王多成 Sterilization method of potato seed block and used disinfectant
CN104541809A (en) * 2013-10-11 2015-04-29 朱全顺 Method for culturing purple yam
CN103907468A (en) * 2014-04-18 2014-07-09 江苏省农业科学院 Efficient seedbed breeding method of lump seed yams
CN104472131A (en) * 2014-11-05 2015-04-01 山东省农业科学院作物研究所 Chinese yam continuous cropping resisting cultivation technology

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
山药无公害高效栽培技术;彭仁海 等;《安阳工学院学报》;20081220(第6期);第87-89页 *
山药种薯切段催芽技术;张丽梅 等;《中国农村小康科技》;20081010(第10期);第153-156页,第235-244页 *
淮山高效栽培新技术;梁芳 等;《农业与技术》;20141230;第34卷(第12期);第89-90页 *

Also Published As

Publication number Publication date
CN106941807A (en) 2017-07-14

Similar Documents

Publication Publication Date Title
CN103910574B (en) A kind of natural phant growth regulator
CN105493866A (en) Pollution-free seedling culture method for pepper solar greenhouse
CN104770103A (en) Seedling raising method for oil-used peony seeds
CN106688849A (en) Soilless culture method of Chinese flowering cabbage
CN103782748A (en) Planting technique for big tomatoes
CN102668854A (en) Cutting propagation method for momordica grosvenori
CN101248737B (en) Method for producing organic selenium
CN105493852A (en) Polygala tenuifolia planting method
CN105052643A (en) Organic rice cultivation method
CN106613191A (en) Planting method for cucumber
CN108935517B (en) Promoter for promoting germination of Guangxi sweet tea seeds and preparation method and application thereof
CN108934679B (en) Root-cutting seedling raising and seedling tube raising method for aralia elata seem
CN106941807B (en) Method for regularly dormancy breaking of dioscorea opposita seed potatoes
Atta-Aly Soaking summer squash seeds in low concentrations of cobalt solution before sowing increased plant growth, femaleness, and fruit yield via increasing plant ethylene level
CN105815188A (en) Mid-late maturity peach seed direct germinating and seedling culturing technology
CN105612999A (en) Seedling growing technology of herba fibraureae recisae
CN104170616A (en) Artificial cultivation method of radix clematidis
CN109168925B (en) Cultivation method for improving quality and yield of guavas in saline-alkali soil
CN106550748A (en) A kind of implantation methods of Rhizoma Solani tuber osi
CN106508406B (en) Bletilla seedling tissue culture and rapid propagation method
CN110786215B (en) Cultivation method of selenium-rich rice
CN111004064A (en) Special fertilizer for nuts and preparation method thereof
CN105075634A (en) Method for cultivating high-quality nursery stocks of sweet persimmon by enabling seeds of sweet persimmon to germinate fast and efficiently
CN111713500A (en) Preparation and application of multi-element plant growth regulator
CN111492922A (en) Planting method of potatoes

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230616

Address after: 530007 No. 174, University Road, XiXiangTang District, Nanning City, Guangxi Zhuang Autonomous Region

Patentee after: GUANGXI ACADEMY OF AGRICULTURAL SCIENCES

Address before: 530007 Guangxi Nanning Guangxi Nanning Xixiangtang District University Road 174 Guangxi Agricultural science

Patentee before: GUANGXI ACADEMY OF AGRICULTURAL SCIENCES