CN109496753B - Method for improving seed production yield and germination rate of onions - Google Patents
Method for improving seed production yield and germination rate of onions Download PDFInfo
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- CN109496753B CN109496753B CN201811381181.1A CN201811381181A CN109496753B CN 109496753 B CN109496753 B CN 109496753B CN 201811381181 A CN201811381181 A CN 201811381181A CN 109496753 B CN109496753 B CN 109496753B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/35—Bulbs; Alliums, e.g. onions or leeks
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
- A01G9/1407—Greenhouses of flexible synthetic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H1/00—Processes for modifying genotypes ; Plants characterised by associated natural traits
- A01H1/02—Methods or apparatus for hybridisation; Artificial pollination ; Fertility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention discloses a method for improving onion seed production yield and germination rate, which comprises the following steps: after base fertilizer is applied in the automatic rolling rainproof greenhouse, ridging is carried out, and onion seed balls are placed in grooves on the ridges; covering soil when the onion grows to 3-4 leaves after seedling emergence; when 2-3 flower shoots are averagely pulled out from the onions in spring, two iron wires are pulled above each row of onions; when the bud opening of the onion inflorescence exceeds 10%, self-propagating flies are used for supplementary pollination; supplementing fly nutrients until the onion flowering phase is finished; and when the onion seeds crack and the roots are withered, pulling the onion and placing the onion on an iron wire, and placing an onion seed collector 10-15 cm away from the lower part of the inflorescence to collect the fully-ripened and naturally-fallen seeds. According to the method, the onion seeds are harvested by using the film rolling rain-proof shed, covering soil after ditching and planting, assisted pollination by flies and self-ripening in the shed, so that the seed production yield of the onions can be improved by 15-35%, the planting germination rate is over 95%, and the method is strong in operability and good in repeatability.
Description
Technical Field
The invention relates to the technical field of onion seed production, in particular to a method for improving the seed production yield and the germination rate of onions by utilizing cultivation technologies such as a film rolling rain-proof shed, covering soil after ditching and planting, fly auxiliary pollination, natural after-ripening in the shed and the like to solve the problems of seed reproduction yield and the germination rate of the onions.
Background
Onion (Allium cepaL.) is one of the major vegetable species in the world, and china is one of the countries with the largest cultivated area. The onion is propagated by seeds, one generation spans 3 years, the breeding period is long,under natural conditions, the late bolting period is easily influenced by weather and rain, diseases such as downy mildew, purpura and the like are bred, and the bolting is easily premature and lodging; meanwhile, the onion has heavy spicy taste and the pollen is not easy to attract insects, so that the onion seed setting rate is low, the onion seed production yield is particularly important to be improved, the seed germination rate is guaranteed, and the onion seed production quality and quantity are guaranteed. After the conventional onion is planted, the seed balls have high water content, and the covering soil is easy to rot, so that the yield is reduced; in the flowering and seed season of onions, diseases are easy to occur in flowering and seed season in rainy days; the ventilation of the conventional greenhouse is not smooth, and the noon temperature is too high, so that the fertilization of stigma is influenced; the number of insects is limited in the blooming period, and the insects cannot pollinate in time; meanwhile, the onion seeds are matured in batches, are matured firstly and are easy to crack, most of high-quality seeds fall onto the ground, and are collected intensively for one time, so that the germination rate of immature seeds is reduced in the post-maturation process; the seeds are collected manually and broken, the impurities are more, and the germination rate of the seeds can be reduced by washing and airing.
Disclosure of Invention
The invention aims to provide a method for improving the seed production yield and the germination rate of onions by utilizing cultivation technologies such as film rolling and rain-proof sheds, covering soil after ditching and planting, fly auxiliary pollination, natural after-ripening in the sheds and the like to solve the problems of seed reproduction yield and the germination rate of the onions, aiming at overcoming the defects in the prior art.
The invention aims to solve the problems by the following technical scheme:
a method for improving the seed production yield and the germination rate of onions is characterized in that: the method comprises the following steps:
a. ridging after applying base fertilizer in the automatic rolling rainproof greenhouse, wherein the ridge width is 1.7-1.8 m, mechanically assisting to ditch and placing onion seed balls in furrows on the ridges;
b. mechanically assisting in covering soil when the onion grows to 3-4 leaves after seedling emergence;
c. in the spring of the next year, when the onions turn green and 2-3 flower shoots are extracted on average, two iron wires are pulled above each row of onions;
d. when the bud opening of the onion inflorescence exceeds 10%, placing a plastic barrel with a mixture of wheat bran, bovine lung, fish intestine and water in the greenhouse to attract flies to carry out supplementary pollination;
e. supplementing wheat bran, cattle lungs, fish intestines and water every 10-12 days until the onion florescence is finished;
f. when the onion seeds crack and the roots are withered and rotted, pulling up the onion with the roots, placing the onion on an iron wire above the onion with the inflorescence as a starting point, and placing an onion seed collector 10-15 cm away from the lower part of the inflorescence to collect the fully-matured and naturally-fallen seeds.
And (c) storing the onion seed balls obtained in the step (a) under natural ventilation, cool and dry conditions until the onion seed balls are planted.
The base fertilizer in the step (a) is pleurotus eryngii fermentation waste, the pleurotus eryngii fermentation waste is stacked for 45-55 d and turned and piled for 2-4 times to prepare the base fertilizer, and the fertilizing amount of the base fertilizer is 10-12 t/mu.
The mechanical auxiliary ditching specification in the step (a) is as follows: the width of the groove is 8-12 cm, and the depth of the groove is 8-12 cm; the placing density of the onion bulbs is as follows: the row spacing is 35-40 cm, and the plant spacing is 8-10 cm.
And (c) mechanically loosening the soil between the rows of the onion before the onion enters winter, and flooding the soil for 1 time by using big water.
And (c) adopting a No. 10 iron wire as the iron wire in the step (c), wherein the distance between the two iron wires is 15-20 cm and is 1.3-1.4 m away from the ground.
And (f) automatically rolling up the film of the rain-proof greenhouse in sunny days and putting down the film in rainy days.
The onion seed collector in the step (f) is of a V-shaped structure formed by wood strips and gauze, and each seed collector is 2m long, 30-35 cm wide in opening and 15cm deep.
And (f) collecting the onion seeds which are fully ripe and naturally shed by the seed collector in the step (f), collecting the seeds once every 4-5 days, holding the seed collector, directly pouring the seed collector into a bag, and properly shaking the bag to facilitate the seeds to shed in the later ripe and cracked period.
Compared with the prior art, the invention has the following advantages:
the invention utilizes the rolling film rain-proof shed of the greenhouse to open and keep out the rain when raining and roll up in sunny days, thereby effectively preventing the rain and reducing the temperature in the greenhouse; covering soil after ditching, planting and sprouting to effectively reduce rot of the onions after field planting; self-breeding fly for supplementary pollination can effectively improve the onion seed selection rate; the yield and the germination rate of the onions can be greatly improved by a natural after-ripening technology in the shed, and the nutrition supply of the onion bulbs cannot be obtained by the conventional after-ripening of the cut inflorescences; the method can improve the seed production yield of the onions by 15-35%, the planting germination rate is more than 95%, and the method has good operability and repeatability and provides a new idea and method for onion seed production.
Detailed Description
The present invention will be further described with reference to the following examples.
A method for improving onion seed production yield and germination rate comprises the following steps:
a. after harvesting, placing onion bulbs under natural ventilation and cool and dry conditions for storage until planting, applying a base fertilizer in an automatic rolling rainproof greenhouse, wherein the base fertilizer is pleurotus eryngii fermentation waste, the pleurotus eryngii fermentation waste is stacked for 45-55 days and turned for 2-4 times to prepare the base fertilizer, and the fertilizing amount of the base fertilizer is 10-12 t/mu; ridging is carried out after base fertilizer is applied, mechanical auxiliary rotary tillage, soil preparation and ridging are adopted, the width of each ridge is 1.7-1.8 m, 5 rows of onion seed balls are fixedly planted in each ridge, the row spacing is 35-40 cm, and the plant spacing is 8-10 cm; mechanically assisting to ditch, wherein the width of the ditch is 8-12 cm, the depth of the ditch is 8-12 cm, simultaneously placing onion bulbs according to the planting density, operating by 3 persons, starting the machine by 1 person, placing the onion bulbs on a plough by 2 persons, and placing the onion bulbs while ditching;
b. when 3-4 leaves grow after the onion seedlings emerge, mechanically assisting to cover soil, mechanically loosening the soil in rows before winter, and flooding for 1 time by using big water so as to enable the onion to safely overwinter;
c. in the spring of the next year, when the onions turn green and 2-3 flower shoots are averagely pulled out, two No. 10 iron wires are pulled above each row of onions, the distance between the two iron wires is 15-20 cm, and the distance between the two iron wires and the ground is 1.3-1.4 m;
d. when the bud opening of the onion inflorescence exceeds 10%, placing a plastic barrel with a mixture of wheat bran, bovine lung, fish intestine and water in the greenhouse to attract flies to carry out supplementary pollination;
e. supplementing wheat bran, cattle lungs, fish intestines and water every 10-12 days until the onion florescence is finished;
f. when the onion seeds crack and the roots are withered and rotten, pulling up the onion with the roots, uniformly and tidily placing the onion on an iron wire above the onion with inflorescence as a starting point, and placing an onion seed collector 10-15 cm away from the lower part of the inflorescence to collect fully-ripened and naturally-fallen seeds; the onion seed collector is of a V-shaped structure consisting of battens and gauze, and each seed collector is 2m long, 30-35 cm wide in opening and 15cm deep; the seed collector collects fully-after-ripened naturally-falling onion seeds, the seeds are collected once every 4-5 days, the seed collector is held to be directly poured into the bag, the bag is properly shaken in the after-ripened cracking later period to facilitate the falling of the seeds, the collected seeds are clean and are prevented from being washed and exposed to the sun, and the germination rate of the onion seeds is improved.
During the steps (d), (e) and (f), the film is rolled up in sunny days and put down in rainy days, so that influence of rainwater on pollination is prevented, and downy mildew and purpura of onion stalks is reduced.
According to the method, the automatic rolling rain-proof greenhouse is built before field planting, the greenhouse framework is basically consistent with a conventional greenhouse in construction, the width is 8m, the top height is 2.5m, and the length is 50m, two film rolling devices are respectively designed on two sides of the greenhouse, each film rolling device can roll a film by 1.3-1.5 m, a film pressing groove and a steel pipe are respectively added at the fixing positions of the film rolling devices, when raining, the four film rolling devices are all put down, the greenhouse can be completely covered, rain in the greenhouse is prevented from leaking, and the four film rolling devices are all rolled up on a normal sunny day.
In the method, 2 greenhouses with the volume of 0.2-0.25m are placed in each greenhouse3The plastic barrel is internally provided with a wood plate with the width of 20-25cm, the wood plate is erected on the edge of the barrel, leftovers such as ox lungs, fish intestines and the like are placed in the plastic barrel to be mixed with wheat bran, and 2/3 water is placed in the plastic barrel, so that flies can be attracted to carry out pollination in an auxiliary manner.
Example No. 11 ' late-maturing onion ' with onion in purple peel '
a. After late-maturing onions in purple skin, namely 'No. 11 onion connected with the onions', are harvested according to a seed reserving standard, the purple skin onions are stored under the conditions of natural ventilation and shady and dry conditions, rotten onions are removed before field planting, an automatic rolling rainproof greenhouse is built before field planting, the greenhouse framework is basically consistent with that of a conventional greenhouse in construction, the width is 8m, the top height is 2.5m, the length is 50m, two film rolling devices are respectively designed on two sides of the greenhouse, each film rolling device can roll a film by 1.3-1.5 m, a film pressing groove and a steel pipe are respectively arranged at the fixing positions of the film rolling devices, when raining occurs, the four film rolling devices are all put down, the greenhouse can be completely covered, rain cannot leak in the greenhouse, and the; applying a base fertilizer in the automatic-curling rainproof greenhouse, wherein the base fertilizer is pleurotus eryngii fermentation waste, the pleurotus eryngii fermentation waste is stacked for 45-55 d and turned for 2-4 times to prepare the base fertilizer, and the fertilizing amount of the base fertilizer is 10-12 t/mu; ridging is carried out after base fertilizer is applied, mechanical auxiliary rotary tillage, soil preparation and ridging are adopted, the width of each ridge is 1.7-1.8 m, 5 rows of onion seed balls are fixedly planted in each ridge, the row spacing is 35-40 cm, and the plant spacing is 8-10 cm; mechanically assisting ditching, wherein seeds of 'No. 11 onion with shallots' are large, the furrow width is 12cm, the furrow depth is 12cm, the onion seeds are placed according to the planting density, the operation is carried out by 3 persons, 1 person drives the machine, 2 persons sit on a plough, and the onion seeds are placed while ditching;
b. when 3-4 leaves grow after the onion seedlings emerge, mechanically assisting to cover soil, mechanically loosening the soil in rows before winter, and flooding for 1 time by using big water so as to enable the onion to safely overwinter;
c. in the spring of the next year, when the onions turn green and 2-3 flower shoots are averagely pulled out, two No. 10 iron wires are pulled above each row of onions, the distance between the two iron wires is 15-20 cm, and the distance between the two iron wires and the ground is 1.3-1.4 m;
d. when the bud opening of the onion inflorescence exceeds 10%, 2 onions with the volume of 0.2-0.25m are placed in each greenhouse3The plastic barrel is internally provided with a wood plate with the width of 20-25cm, the wood plate is erected on the edge of the barrel, the ox lung, the fish intestine and the wheat bran are placed in the barrel to be mixed, 2/3 water is placed in the barrel to facilitate attracting flies to assist pollination, the film is put down in rainy days, and the film is rolled up in sunny days;
e. supplementing wheat bran, cow lung, fish intestine and water every 10-12 days until the onion flowering period is finished, putting down the film in a rainy day, and rolling up the film in a sunny day;
f. when the onion seeds crack and the roots are withered and rotten, pulling up the onion with the roots, uniformly and tidily placing the onion on an iron wire above the onion with inflorescence as a starting point, and placing an onion seed collector 10-15 cm away from the lower part of the inflorescence to collect fully-ripened and naturally-fallen seeds; the seed collector collects fully-after-ripened naturally-falling onion seeds, the seeds are collected once every 4-5 days, the seed collector is held to be directly poured into the bag, the bag is properly shaken in the after-ripened cracking later period to facilitate the falling of the seeds, the collected seeds are clean and are prevented from being washed and exposed to the sun, and the germination rate of the onion seeds is improved.
After the seeds are collected and uniformly mixed, the yield per unit area and the germination rate are respectively measured and counted, the yield of the onion seeds harvested by the conventional method is 40 kg/mu, the average yield of the method is 52 kg/mu, the yield is improved by 30 percent, and the planting germination rate is more than 96 percent.
Example No. 12 'Diprecocious white skin onion'
a. Harvesting precocious white-skin onions 'with onion No. 12' according to a seed reserving standard, storing the onions under natural ventilation and cool and dry conditions, removing rotten onions before field planting, establishing an automatic curling and rainproof greenhouse before field planting, wherein the greenhouse framework is basically consistent with a conventional greenhouse in construction, 8m in width, 2.5m in top height and 50m in length, two film rolling devices are respectively arranged on two sides of the greenhouse, each film rolling device can roll a film for 1.3-1.5 m, a film pressing groove and a steel pipe are respectively arranged at the fixing positions of the film rolling devices, and when raining, the four film rolling devices are all put down, so that the greenhouse can be completely covered, rain cannot leak in the greenhouse, and the four film rolling devices are all rolled up in normal sunny days; applying a base fertilizer in the automatic-curling rainproof greenhouse, wherein the base fertilizer is pleurotus eryngii fermentation waste, the pleurotus eryngii fermentation waste is stacked for 45-55 d and turned for 2-4 times to prepare the base fertilizer, and the fertilizing amount of the base fertilizer is 10-12 t/mu; ridging is carried out after base fertilizer is applied, mechanical auxiliary rotary tillage, soil preparation and ridging are adopted, the width of each ridge is 1.7-1.8 m, 5 rows of onion seed balls are fixedly planted in each ridge, the row spacing is 35-40 cm, and the plant spacing is 8-10 cm; mechanically assisting ditching, wherein the diameter of 'No. 12 onion' is 10cm on average, the ditching width is 12cm, and the ditching depth is 12cm, meanwhile, onion bulbs are placed according to the planting density, 3 persons operate, 1 person drives the machine, 2 persons sit on a plough, and the onion bulbs are placed while ditching;
b. when 3-4 leaves grow after the onion seedlings emerge, mechanically assisting to cover soil, mechanically loosening the soil in rows before winter, and flooding for 1 time by using big water so as to enable the onion to safely overwinter;
c. in the spring of the next year, when the onions turn green and 2-3 flower shoots are averagely pulled out, two No. 10 iron wires are pulled above each row of onions, the distance between the two iron wires is 15-20 cm, and the distance between the two iron wires and the ground is 1.3-1.4 m;
d. when onion flowerWhen the amount of the buds is more than 10%, 2 big-arch shelters with the volume of 0.2-0.25m are placed in each big-arch shelter3The plastic barrel is internally provided with a wood plate with the width of 20-25cm, the wood plate is erected on the edge of the barrel, the ox lung, the fish intestine and the wheat bran are placed in the barrel to be mixed, 2/3 water is placed in the barrel to facilitate attracting flies to assist pollination, the film is put down in rainy days, and the film is rolled up in sunny days;
e. supplementing wheat bran, cow lung, fish intestine and water every 10-12 days until the onion flowering period is finished, putting down the film in a rainy day, and rolling up the film in a sunny day;
f. when the onion seeds crack and the roots are withered and rotten, pulling up the onion with the roots, uniformly and tidily placing the onion on an iron wire above the onion with inflorescence as a starting point, and placing an onion seed collector 10-15 cm away from the lower part of the inflorescence to collect fully-ripened and naturally-fallen seeds; the seed collector collects fully-after-ripened naturally-falling onion seeds, the seeds are collected once every 4-5 days, the seed collector is held to be directly poured into the bag, the bag is properly shaken in the after-ripened cracking later period to facilitate the falling of the seeds, the collected seeds are clean and are prevented from being washed and exposed to the sun, and the germination rate of the onion seeds is improved.
After the seeds are collected and uniformly mixed, the yield per unit area and the germination rate are respectively measured and counted, the yield of the onion seeds harvested by the conventional method is 40 kg/mu, the average yield of the method is 48 kg/mu, the yield is improved by 20 percent, and the planting germination rate is more than 96 percent.
The invention utilizes the rolling film rain-proof shed of the greenhouse to open and keep out the rain when raining and roll up in sunny days, thereby effectively preventing the rain and reducing the temperature in the greenhouse; covering soil after ditching, planting and sprouting to effectively reduce rot of the onions after field planting; self-breeding fly for supplementary pollination can effectively improve the onion seed selection rate; the yield and the germination rate of the onions can be greatly improved by a natural after-ripening technology in the shed, and the nutrition supply of the onion bulbs cannot be obtained by the conventional after-ripening of the cut inflorescences; the method can improve the seed production yield of the onions by 15-35%, the planting germination rate is more than 95%, and the method has good operability and repeatability and provides a new idea and method for onion seed production.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea proposed by the present invention falls within the protection scope of the present invention; the technology not related to the invention can be realized by the prior art.
Claims (9)
1. A method for improving the seed production yield and the germination rate of onions is characterized in that: the method comprises the following steps:
a. ridging after applying base fertilizer in the automatic curling rainproof greenhouse, wherein the ridge width is 1.7-1.8 m, mechanically assisting to ditch, placing onion seed balls in furrows on the ridges, and not covering soil;
b. mechanically assisting in covering soil when the onion grows to 3-4 leaves after seedling emergence;
c. in the spring of the next year, when the onions turn green and 2-3 flower shoots are extracted on average, two iron wires are pulled above each row of onions;
d. when the bud opening of the onion inflorescence exceeds 10%, placing a plastic barrel with a mixture of wheat bran, bovine lung, fish intestine and water in the greenhouse to attract flies to carry out supplementary pollination;
e. supplementing wheat bran, cattle lungs, fish intestines and water every 10-12 days until the onion florescence is finished;
f. when the onion seeds crack and the roots are withered and rotted, pulling up the onion with the roots, placing the onion on an iron wire above the onion with the inflorescence as a starting point, and placing an onion seed collector 10-15 cm away from the lower part of the inflorescence to collect the fully-matured and naturally-fallen seeds.
2. The method of claim 1, wherein the method comprises the steps of: and (c) storing the onion seed balls obtained in the step (a) under natural ventilation, cool and dry conditions until the onion seed balls are planted.
3. The method of claim 1, wherein the method comprises the steps of: the base fertilizer in the step (a) is pleurotus eryngii fermentation waste, the pleurotus eryngii fermentation waste is stacked for 45-55 d and turned and piled for 2-4 times to prepare the base fertilizer, and the fertilizing amount of the base fertilizer is 10-12 t/mu.
4. The method of claim 1, wherein the method comprises the steps of: the mechanical auxiliary ditching specification in the step (a) is as follows: the width of the groove is 8-12 cm, and the depth of the groove is 8-12 cm; the placing density of the onion bulbs is as follows: the row spacing is 35-40 cm, and the plant spacing is 8-10 cm.
5. The method of claim 1, wherein the method comprises the steps of: and (c) mechanically loosening the soil between the rows of the onion before the onion enters winter, and flooding the soil for 1 time by using big water.
6. The method of claim 1, wherein the method comprises the steps of: and (c) adopting a No. 10 iron wire as the iron wire in the step (c), wherein the distance between the two iron wires is 15-20 cm and is 1.3-1.4 m away from the ground.
7. The method of claim 1, wherein the method comprises the steps of: and (f) automatically rolling up the film of the rain-proof greenhouse in sunny days and putting down the film in rainy days.
8. The method of claim 1, wherein the method comprises the steps of: the onion seed collector in the step (f) is of a V-shaped structure formed by wood strips and gauze, and each seed collector is 2m long, 30-35 cm wide in opening and 15cm deep.
9. The method of claim 1, wherein the method comprises the steps of: and (f) collecting the onion seeds which are fully ripe and naturally shed by the seed collector in the step (f), collecting the seeds once every 4-5 days, holding the seed collector, directly pouring the seed collector into a bag, and properly shaking the bag to facilitate the seeds to shed in the later ripe and cracked period.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918960A (en) * | 2006-08-25 | 2007-02-28 | 贵州芊芊园艺新技术发展公司 | Standard planting method of medicinal lycoris radiata |
| CN103141295A (en) * | 2013-04-03 | 2013-06-12 | 连云港市农业科学院 | Onion seed production method |
| CN103250528A (en) * | 2013-04-02 | 2013-08-21 | 镇江瑞繁农艺有限公司 | Harvesting and storage method for preventing rot of onion seedballs |
| CN106900538A (en) * | 2017-02-07 | 2017-06-30 | 上海惠和种业有限公司 | A kind of method that the onion production of hybrid seeds is carried out using fly |
-
2018
- 2018-11-20 CN CN201811381181.1A patent/CN109496753B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1918960A (en) * | 2006-08-25 | 2007-02-28 | 贵州芊芊园艺新技术发展公司 | Standard planting method of medicinal lycoris radiata |
| CN103250528A (en) * | 2013-04-02 | 2013-08-21 | 镇江瑞繁农艺有限公司 | Harvesting and storage method for preventing rot of onion seedballs |
| CN103141295A (en) * | 2013-04-03 | 2013-06-12 | 连云港市农业科学院 | Onion seed production method |
| CN106900538A (en) * | 2017-02-07 | 2017-06-30 | 上海惠和种业有限公司 | A kind of method that the onion production of hybrid seeds is carried out using fly |
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| CN109496753A (en) | 2019-03-22 |
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