CN103416206A - Improved variety breeding technology for industrial cannabis sativa L. - Google Patents
Improved variety breeding technology for industrial cannabis sativa L. Download PDFInfo
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- CN103416206A CN103416206A CN2013103743834A CN201310374383A CN103416206A CN 103416206 A CN103416206 A CN 103416206A CN 2013103743834 A CN2013103743834 A CN 2013103743834A CN 201310374383 A CN201310374383 A CN 201310374383A CN 103416206 A CN103416206 A CN 103416206A
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Abstract
The invention discloses an improved variety breeding technology for industrial cannabis sativa L. The technology comprises the steps of seed sowing, thinning and final singling of the industrial cannabis sativa L., harvesting of the industrial cannabis sativa L. and fertilization and irrigation during the whole planting period, wherein sowing time is in mid or late June; the density of the industrial cannabis sativa L. after the thinning and the final singling is 6,000 to 8,000 per acre. According to the technology, the vegetative growth phase of the industrial cannabis sativa L. is shortened by retarding the sowing time, so that the adult plant height of the industrial cannabis sativa L. is reduced, the lignification degree of stalks is reduced to facilitate harvesting, the unnecessary falling of industrial cannabis sativa L. seeds during harvesting is prevented, and the yield of the industrial cannabis sativa L. seeds is improved; the industrial cannabis sativa L. has fewer branches after the sowing time is retarded, so that the planting density can be improved to 6,000 to 8,000 per acre, and the acre yield of the industrial cannabis sativa L. seeds can be improved by at least over 20 percent.
Description
Technical field
The present invention relates to the proportion of crop planting field, be specifically related to a kind of industrial hemp breeding propagation technique.
Background technology
Hemp (Cannabis sativa L.) is a kind of multiduty crop, being widely used in the industries such as weaving, papermaking, edible oil, functional health care food, cosmetics, medicine, bioenergy, building materials, neoformation composite, is the various aspects that related to people's lives " clothing, food, shelter, row, use ".To cause hidden toxic component tetrahydrocannabinol (THC) content of unreal one-tenth in cannabis plants lower than 0.3% (female plant flower fringe dry matter percentage) in the world, the Hemp Varieties type that does not possess the drugs value is called industrial hemp.Because it has higher economic development value; while this all advantage in the ecological protection aspect of crop;, high absorption to heavy metal strong such as Resistant crop smothering performance, environmental friendly material, agriculture carbon remittance etc.; therefore; in recent years; many countries pay attention to increasingly to the prodution and development of industrial hemp, and research is active.
The plantation of Shanxi hemp is with a long history, is once important fiber, oil with one of, edible crop.The industrial hemp seed of its plantation is rich in protein, multiple human body essential amino acid, unsaturated fatty acid etc., natural health food and raw material medicinal, used for cosmetic, the seed oil content reaches more than 30% simultaneously, is industrial chemicals and the biofuel of high-quality, therefore has wide application prospect.
At present, high altitude localities, Shanxi plantation seed with industrial hemp, take method be 4～May early and middle ten days sowed, sow 2000～3000 strains for every mu.In this implantation methods, although can effectively plant industrial hemp.But due to its sowing time early, cause industrial hemp to there is longer vegetative period, from 4 or be seeded into May and bloom mid-August, reach vegetative growth phase more than 100 days, cause the plant excessive growth of industrial hemp, stem stalk lignification is serious, and plant is high, thick, although the branch of plant strain growth is relatively many, but hemp is dioecism, and staminiferous plant is not set seeds, blooming can natural death after having pollinated, therefore real female plant density only has 1000～1500 plant/acres, and the per mu yield of pockmarks is low; Add again degree of lignification high, very difficult in the time of results, what have need cut with axe, in felling, also can cause pockmarks to come off in plant, further reduce pockmarks output, 100 jin of the serious variety yield less thaies of threshing, plant strain growth later stage and airing also can be eaten by unfirmly closing in addition, so pockmarks output is very low, the economic benefit of plantation is low, and the peasant is reluctant to plant mostly.
Therefore, be necessary to provide a kind of industrial hemp breeding propagation technique, improve the output of pockmarks, increase the economic benefit of industrial hemp plantation.
Summary of the invention
The object of the present invention is to provide a kind of industrial hemp breeding propagation technique, it can effectively improve the output of pockmarks, increases the economic benefit of industrial hemp plantation, improves farmers' income.
Its scheme of taking is: a kind of industrial hemp breeding propagation technique, comprise sowing, and between industrial hemp is carried out, final singling, industrial hemp was gathered in and carried out fertilizer irrigation between whole planting season; Be mid-June or the last ten-days period described sowing time,, the postindustrial hemp density of final singling is 6000～8000 plant/acres.
In the present invention, sow pockmarks in mid-June or the last ten-days period, thereby shorten the one-tenth plant height of hemp reduction vegetative growth phase industrial hemp by postponing date of seeding, reduce the degree of lignification of stem stalk so that results, what while preventing from gathering in the crops, pockmarks were unnecessary drops, and improves the output of pockmarks.Because branch after postponing date of seeding reduces, therefore, can improve the output of pockmarks by strengthening 6000～8000 strains of planting density mu strain amount, make the pockmarks volume increase more than at least 20%.
Before sowing, to planting site deep ploughed whole ground, basal dressing, base manure is operated by every mu of Nitrogen, Phosphorus and Potassium 30～35kg that executes assorted excrement 40～50 loads of people and animals' soil or execute containing N, P, K.
Between, the shoot amount of the industrial hemp seedling after final singling is 8000 plant/acres, the shoot line-spacing is 0.5m.
Carry out thinning when described, final singling are included in height of seedling 4.5～5.5cm, 1～2 pair of true leaf of seedling, carry out final singling when seedling has 3～4 pairs of true leaves.In conjunction with between, final singling carry out 1～2 time the intertillage.
The flowers are in blossom removes in time staminiferous plant after finishing for plant
At the inflorescence of 70% female plant middle part bract drying shrinkage or occur brownly, seed is circular and gathered in time while having the due normal color of institute's varieties of plant.
By the further enforcement of such scheme, can make 150 kilograms of hemp per mu yield pockmarks, more traditional pockmarks output volume increase is more than 35%.
Embodiment
Below come by specific embodiment that the invention will be further described.Wherein embodiment 1 is according to traditional sowing time and seeding quantity and operation conditions optimization of the present invention plantation industrial hemp, and embodiment 2～4 is for utilizing technology plantation industrial hemp provided by the invention.
Embodiment 1
Plantation place: Qinyuan County, Shanxi, plantation amount: 10 mu;
Prior to seeding to deep ploughed whole ground of planting site; Basal dressing, execute assorted excrement 40～50 loads of people and animals' soil by every mu;
Sow the industrial hemp seed in mid-May, line-spacing 50-60cm, spacing in the rows 40cm, Seedling Stage carries out a final singling according to the pockmarks situation of emerging,, final singling is included in height of seedling 4.5～5.5cm, seedling carries out thinning when 1～2 pair of true leaf is arranged, and carries out final singling when seedling has 3～4 pairs of true leaves; Between, the shoot amount of the industrial hemp seedling after final singling is between 3000 plant/acres, carry out 1～2 intertillage during final singling; Watered in time, weeding, and diseases and pests controlling;
At the inflorescence about 70% female plant middle part bract drying shrinkage or occur brownly, seed is circular and gathered in time while having the due normal color of institute's varieties of plant, after seed kind results, should dry in time, puts cool place, aeration-drying place is preserved.
The output of industrial hemp is about 112 kg/acres, with respect to output raising 5%～8% left and right of traditional scheme (adopting tradition sowing time, seeding quantity, planting conditions) pockmarks.
Embodiment 2
Plantation place: Qinyuan County, Shanxi, plantation amount: 10 mu;
Before the sowing pockmarks to deep ploughed whole ground of planting site;
Sow the industrial hemp seed in mid-June, line-spacing 40～50cm, spacing in the rows is determined according to the conventional method of industrial hemp plantation according to the final singling amount, basal dressing before sowing, base manure is executed assorted excrement 40～50 loads of people and animals' soil by every mu;
Seedling Stage carries out a final singling according to the pockmarks situation of emerging,, final singling is included in height of seedling 4.5～5.5cm, seedling carries out thinning when 1～2 pair of true leaf is arranged, and carries out final singling when seedling has 3～4 pairs of true leaves; Between, the shoot amount of the industrial hemp seedling after final singling is 6000 plant/acres, the shoot line-spacing is 0.4～0.5m; Between, carry out 1～2 intertillage during final singling; Watered in time, weeding, intertillage and diseases and pests controlling; The staminiferous plant rear timely removal of having pollinated of blooming.
At the inflorescence about 70% female plant middle part bract drying shrinkage or occur brownly, seed is circular and gathered in time while having the due normal color of institute's varieties of plant, after seed kind results, should dry in time, puts cool place, aeration-drying place is preserved.
The output of industrial hemp is about 150 kg/acres, with respect to the output of embodiment 1 pockmarks, improves 35% left and right.
Embodiment 3
Plantation place: Yao Tou village, Linxian County, Shanxi Province text of an annotated book town, plantation amount: 10 mu;
Prior to seeding to deep ploughed whole ground of planting site;
Sow the industrial hemp seed in mid-June, line-spacing 40～50cm, spacing in the rows is determined according to the conventional method of industrial hemp plantation according to the final singling amount, basal dressing before sowing, and base manure is operated by every mu of Nitrogen, Phosphorus and Potassium 30～35kg that executes assorted excrement 40～50 loads of people and animals' soil or execute containing N, P, K;
Seedling Stage carries out a final singling according to the pockmarks situation of emerging,, final singling is included in height of seedling 4.5～5.5cm, seedling carries out thinning when 1～2 pair of true leaf is arranged, and carries out final singling when seedling has 3～4 pairs of true leaves; Between, the shoot amount of the industrial hemp seedling after final singling is 8000 plant/acres, the shoot line-spacing is 0.4～0.5m; Between, carry out 1～2 intertillage during final singling; Watered in time, weeding, intertillage and diseases and pests controlling; The staminiferous plant rear timely removal of having pollinated of blooming
At the inflorescence about 70% female plant middle part bract drying shrinkage or occur brownly, seed is circular and gathered in time while having the due normal color of institute's varieties of plant, after seed kind results, should dry in time, puts cool place, aeration-drying place is preserved.
The output of industrial hemp is about 175 kg/acres.
Embodiment 4
Plantation place: Dong Hui town, Pingding County, Shanxi Nan Shan Village, plantation amount: 1 mu;
Prior to seeding to deep ploughed whole ground of planting site;
Sow the industrial hemp seed in mid-June, line-spacing 40～50cm, spacing in the rows is determined according to the conventional method of industrial hemp plantation according to the final singling amount, basal dressing before sowing, and base manure is operated by every mu of Nitrogen, Phosphorus and Potassium 30～35kg that executes assorted excrement 40～50 loads of people and animals' soil or execute containing N, P, K;
Seedling Stage carries out a final singling according to the pockmarks situation of emerging,, final singling is included in height of seedling 4.5～5.5cm, seedling carries out thinning when 1～2 pair of true leaf is arranged, and carries out final singling when seedling has 3～4 pairs of true leaves; Between, the shoot amount of the industrial hemp seedling after final singling is 8000 plant/acres, the shoot line-spacing is 0.4～0.5m; Between, carry out 1～2 intertillage during final singling; Watered in time, weeding, intertillage and diseases and pests controlling; The staminiferous plant rear timely removal of having pollinated of blooming,
At the inflorescence about 70% female plant middle part bract drying shrinkage or occur brownly, seed is circular and gathered in time while having the due normal color of institute's varieties of plant, after seed kind results, should dry in time, puts cool place, aeration-drying place is preserved.
The output of industrial hemp is about 200 kg/acres.
Above demonstration and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. an industrial hemp breeding propagation technique, comprise sowing, between industrial hemp is carried out, final singling, industrial hemp gathered in and carry out fertilizer irrigation between whole planting season; Described date of seeding is mid-June or the last ten-days period,, the postindustrial hemp density of final singling is 6000～8000 plant/acres.
2. industrial hemp breeding propagation technique as claimed in claim 1 is characterized in that: this implantation methods also comprises the industrial hemp plant the flowers are in blossom after finishing removes staminiferous plant in time.
3. industrial hemp breeding propagation technique as claimed in claim 1; it is characterized in that: before sowing, to planting site deep ploughed whole ground, basal dressing, base manure is operated by every mu of Nitrogen, Phosphorus and Potassium 30～35kg that executes assorted excrement 40～50 loads of people and animals' soil or execute containing N, P, K.
4. industrial hemp breeding propagation technique as claimed in claim 1 is characterized in that:, the industrial hemp density after final singling is 6000-8000 plant/acres, line-spacing is 0.4～0.5m.
5. industrial hemp breeding propagation technique as claimed in claim 1 is characterized in that: described, final singling are included in height of seedling 4.5～5.5cm, seedling carries out thinning when 1～2 pair of true leaf is arranged, and carries out final singling when seedling has 3～4 pairs of true leaves.
6. industrial hemp breeding propagation technique as claimed in claim 5 is characterized in that: described, carry out 1～2 intertillage during final singling.
7. industrial hemp breeding propagation technique as claimed in claim 1 is characterized in that: at the inflorescence middle part bract drying shrinkage of 70% female plant or occur brownly, seed is circular and gathered in time while having the due normal color of institute's varieties of plant.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105230465A (en) * | 2015-11-10 | 2016-01-13 | 云南大学 | Industrial marijuana soilless rapid propagation method |
| CN105746120A (en) * | 2016-02-26 | 2016-07-13 | 西双版纳傣族自治州农业科学研究所 | Industrial hemp seed generation-adding reproduction method |
| RU2601030C2 (en) * | 2015-02-13 | 2016-10-27 | Общество с ограниченной ответственностью "Гелла-Фарма" | Method of increasing hemp yield |
| CN106576820A (en) * | 2016-12-12 | 2017-04-26 | 罗永志 | Planting method of selenium-enriched cannabis |
| CN106954548A (en) * | 2017-04-06 | 2017-07-18 | 黑龙江省科学院大庆分院 | The method that industrial hemp breeding is carried out in warmhouse booth |
| CN109731907A (en) * | 2019-01-09 | 2019-05-10 | 云南省农业科学院经济作物研究所 | A method of with industrial hemp remediating lead-contaminated soil |
| CN109832099A (en) * | 2017-09-21 | 2019-06-04 | 云南谷益美农业开发有限公司 | A kind of industrial hemp fine breeding technology |
| CN112715289A (en) * | 2021-01-29 | 2021-04-30 | 广西壮族自治区农业科学院 | Method for identifying and rapidly propagating female palmetto hemp plants |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106954548A (en) * | 2017-04-06 | 2017-07-18 | 黑龙江省科学院大庆分院 | The method that industrial hemp breeding is carried out in warmhouse booth |
| CN109832099A (en) * | 2017-09-21 | 2019-06-04 | 云南谷益美农业开发有限公司 | A kind of industrial hemp fine breeding technology |
| CN109731907A (en) * | 2019-01-09 | 2019-05-10 | 云南省农业科学院经济作物研究所 | A method of with industrial hemp remediating lead-contaminated soil |
| CN112715289A (en) * | 2021-01-29 | 2021-04-30 | 广西壮族自治区农业科学院 | Method for identifying and rapidly propagating female palmetto hemp plants |
| CN112715289B (en) * | 2021-01-29 | 2022-08-02 | 广西壮族自治区农业科学院 | Method for identifying and rapidly propagating female palmetto hemp plants |
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