CN104170594A - Harvesting method of seeds of Zoysia japonica - Google Patents
Harvesting method of seeds of Zoysia japonica Download PDFInfo
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- CN104170594A CN104170594A CN201410412240.2A CN201410412240A CN104170594A CN 104170594 A CN104170594 A CN 104170594A CN 201410412240 A CN201410412240 A CN 201410412240A CN 104170594 A CN104170594 A CN 104170594A
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Abstract
The invention relates to a harvesting method of seeds of Zoysia japonica. According to the technical scheme, p-chlorophenoxyacetic acid is sprayed once in both an early growth period of the seeds of Zoysia japonica and a medium growth period of the seeds of Zoysia japonica; a square container is used to collect the seeds of Zoysia japonica which are mature; the upper edge of one side, in contact with spikes, of the container is 0.8-1.2mm in thickness; the collected seeds are screened; the screened seeds are packed in a grain winnower for winnowing; the winnowed seeds are soaked in warm temperature of 15-20 DEG C, and 25-30 minutes after soaking, a strainer with pore diameter of 0.3-0.5mm is used to take out shrunken seeds and impurities; dewatering, air-curing and bagging are performed; a control temperature is 2-5 DEG C; air humidity is 30-40%; ventilated cold storage is performed. The harvesting method has the advantages that shedding of the seeds of Zoysia japonica is delayed, the yield is higher, harvesting efficiency is higher, and shelf life of the seeds of Zoysia japonica is prolonged.
Description
Technical field
The present invention relates to a kind of lawn seed harvesting technique, particularly a kind of harvesting technique for wild zoysia seed with a varied topography, the gradient is larger.
Background technology
The features such as Korea lawn grass (Zoysia japonica) has that strong adaptability, growing way are vigorous, happiness light, drought resisting, disease and insect resistance, resistance to trample, Salt And Alkali Tolerance, heat resistanceheat resistant and impoverishment tolerant, in gardens, flower garden, golf course, airport, sports ground and water and soil conservation ground widely utilize, and are a kind of universally acknowledged good warm season turfs.
The northern area of China, the grass seeds using in afforestation is still taking the cold season meadow annual bluegrass of import as main, and its grass seeds is more than 90% from external import, and China needs approximately 3000 tons of left and right of import turf grass species every year at present according to statistics, consumes foreign exchange millions of dollar.Korea lawn grass is the Local grass-seed of China, various resistances and extremely well-adapted, there is the incomparable superiority of cold season (import grass seeds), Korea lawn grass is compared with kentucky blue grass, and maintenance costs is low by 60%, low 40% left and right of water consumption, at northern area, some golf courses, football pitch and slope protecting grassplot etc. have adopted Korea lawn grass grass seeds, and it has broad application prospects in the northern area of China, the person's that is more and more subject to turf management welcome.Korea lawn grass has large-area wild distribution on China Liaoning and the Shandong Peninsula and other places, and grass seeds resource is very abundant.Zoysia japonica seed is that the unique one of China can export turf grass species which can bring in foreign exchange.
In the Lawn Industry developed country such as the U.S., Denmark, manually set up for many years large-area lawn seed production base, base mostly is level land or the less hilly ground of the gradient, is convenient to machine and gathers when seed maturity, has realized mechanization or semi-mechanization that lawn seed is gathered.The production of the zoysia japonica seed of China at present, all from wild zoysia meadow, does not have artificial zoysia japonica seed production base.The wild resource of Korea lawn grass is distributed on the hillside of sunny side and on the hilly ground at beach more, due to a varied topography, slope change is larger, makes lawn seed can not carry out mechanization and gathers, can only gather by manual method.
The inflorescence of Korea lawn grass is fringe shape raceme, and fruit ear height is generally 10-25cm left and right, and fruit ear length is 4-5cm left and right, fruit ear diameter 1.5-3mm, and seed is avette, long 2.5-4.5mm, the long 4.0-7.0mm of seed handle, Korea lawn grass is highly 8-15cm.The fruit ear of Korea lawn grass is less, a little more than blade, is comparatively evenly distributed in meadow the comparatively difficulty of gathering of its seed.Gathering certain time limit of zoysia japonica seed simultaneously, the seed of gathering is too early immature, and water content is high, perishable rotten, not storage endurance, the nutrient of accumulation is less, and flat grain is many, and seed is not full, and germination rate and germination vigor are low, and after sprouting, seedling is small and weak; Spend evening and gather, within after seed maturity 10-15 days, come off, after coming off, cannot collect.Gather and should in the time of seed full maturity, carry out, gather in time again and prevent that seed maturity from coming off, also will avoid obscuring with other weed seeds as far as possible, and after gathering, also need removal of impurities, except measures such as flat, airings, therefore this is a complicated technical work.Zoysia japonica seed collecting method is in the past very original, due to picking time, collecting method, gather after removal of impurities, remove the operations such as flat seed, airing, storage and do not take scientific and reasonable technological means, cause that seed green grass or young crops is flat, foreign material are many, cleanliness is low, the improper phenomenons such as germination rate decline, the mold of seed that make of seed storage, the seed quality of results is declined, be difficult to reach production application and export standard.Therefore how to take effective way, solve the difficult problem of gathering of zoysia japonica seed, the exploitation of Lawngrass resource are had important practical significance.
Summary of the invention
In order to overcome the above problems, to the invention provides a kind of delay and come off, increase output, improve the efficiency of gathering, extend the collecting method of zoysia japonica seed of storage time.
The technical solution used in the present invention is: a kind of collecting method of zoysia japonica seed, and method is as follows:
1) spray drop-proof agent: at zoysia japonica seed early development and a drop-proof agent of growth each spray in mid-term; Described drop-proof agent is p-chlorophenoxyacetic acid.The concentration of described drop-proof agent is the 8-10mg/kg aqueous solution.Preferably, the amount of spraying of drop-proof agent is 20-25g/m
2.
2) gather: zoysia japonica seed comes to the ripening period, use the container of tetragonal body, the seed of gathering, is 0.8-1.2mm along thickness in a side of container contact kind of fringe; While gathering, the bottom face of tetragonal body container and ground are kept to 30-45 ° of angle, to grow on limit along being close to fruit ear, another hand is worn cotton gloves, near the fruit ear of palm pushing down on the long limit of container along toppling near being adjacent to, lift palm and container simultaneously, seed just falls in container.
3) sieve: the seed of collection is sieved; While sieving, adopt the sieve of aperture 5-6mm to sieve twice.
4) selection by winnowing: the seed after sieving is packed into and carries out selection by winnowing in grain fanning-sorting machine; When selection by winnowing, the power of grain fanning-sorting machine is 180-200w, maximum quantity of wind 3.8m
3/ min.
5) wet concentration: it is in the warm water of 15-20 DEG C that seed after selection by winnowing is immersed to temperature, soaked seed after 25-30 minute, pulled flat seed and foreign material out with the bamboo strainer of aperture 0.3-0.5mm.
6) dehydration: the seed sinking to the bottom is pulled out, put into spin dryer tube and dry 25-30 minute.
7) airing: the seed of spin-dry is placed in immediately above outdoor tarpaulin and carries out airing, stop airing in the time that seed moisture proportion reaches 11-13%.
8) pack: select ventilative gunnysack or cloth bag, pack.
9) storage: put into freezer after zoysia japonica seed pack and store, layered putting, puts a bag for every layer, and adjacent two layers retains the gap of 10-15cm, and control temperature is 2-5 DEG C, and air humidity is 30-40%, avoids ventilating.
The invention has the beneficial effects as follows:
1. improved zoysia japonica seed gather quality, avoid the wasting of resources: by the application of the technology such as sieving after the determining, gather of picking time, selection by winnowing, wet concentration, dehydration, airing and storage, the zoysia japonica seed cleanliness of gathering is reached more than 95%, more than thousand kernel weight reaches 0.51g, index obviously improves, seed that having avoided gathers too early causes is blue or green flat and store the improper waste that causes seed resource, improve seed quality, made it to have reached production application and export standard.
2. increase output, postpone to come off: by spraying drop-proof agent, can not only make seed plumpness increase, and on average can postpone seed shedding time 5-7 days, thereby increase output, and win the valuable time for gathering.
3. improve the efficiency of gathering: the method for the Korea lawn grass of in the past gathering is manually fruit ear to be extracted from meadow, can only extract 2-3 seed fringe at every turn, then by rolling or beaing, seed and fruit ear axle are departed from the seed fringe of collecting, this method is on average collected seed about 0.5kg for each person every day.Adopt the container of tetragonal body to collect seed, not only near tens fringe seeds can be gathered at every turn simultaneously, and reduce to roll and beaten operation, about 1.5kg of can gathering for each person every day, has improved seed collecting efficiency greatly, has saved nearly 3 times artificial.
4. be applicable to China's national situation: China is developing country, and surplus labor is more, labour is comparatively cheap, and it is all-ages adopting this method seed of gathering, and has given full play to surplus labor's effect.
5., for the exploitation of Wild grass resources provide a new approach: China is vast in territory, and floristics is various, Wild grass resources is abundant.But wild resource habitat is severe, many places are in gradient big rise and fall, hillside fields with a varied topography, and gathering of seed cannot be carried out do mechanization operation.The present invention is not subject to the constraint of environment, method simple, and for gathering of other similar habitat Wild grass provides an approach, the scale of Wild grass is gathered becomes possibility.
6. suitable storage temperature, humidity and aeration status have a significant impact extending seed longevity.The present invention adopts unique storage mode: after zoysia japonica seed pack, put into freezer and store, layered putting, puts one bag for every layer, and adjacent two layers retains the gap of 10-15cm, and control temperature is 2-5 DEG C, and air humidity is 30-40%, avoids ventilating.By method of the present invention, zoysia japonica seed can be stored 6-8 and mass conservation.And adopt under Indoor Natural temperature and humidity condition, can store at most 2 years, and find in Indoor Natural temperature and humidity condition stores 2 years through practice, 7 percentage points of left and right of germination rate decline of its seed, the germination rate that stores its seed of 3-4 drops to 20-24 percentage point, and the seed of visible room storage exceedes 2 years has lost kind with being worth.And adopting method of the present invention, zoysia japonica seed can be stored 6-8 and mass conservation.
Embodiment
The collecting method of a kind of zoysia japonica seed of embodiment
Korea lawn grass is hermaphrodite flower, cross pollination, 30-45 days maturations after pollination.From the appearance, the seed development initial stage is green, and become purple from green mid-term, and the later stage becomes yellow from purple.In the time that zoysia japonica seed becomes yellow, come to the ripening period, be the best period of gathering, because 10-15 after seed maturity days comes off, therefore must after coming to the ripening period, gather immediately.Concrete grammar is as follows:
1) spray drop-proof agent: after zoysia japonica seed full maturity, general 10-15 days seeds come off above fruit ear, after coming off, cannot gather, and therefore postpone the seed shedding time limit, can try to gain time precious to one for the work of gathering of seed.Respectively spray a drop-proof agent (p-chlorophenoxyacetic acid) at zoysia japonica seed early development (seed on fruit ear is for green) and growth mid-term (seed on fruit ear is purple), drop-proof agent concentration is the 8-10mg/kg aqueous solution, and the amount of spraying is 20-25g/m
2.Can make lawn kind grain full by spraying drop-proof agent, increase output, postpone seed shedding time 5-7 days simultaneously.
2) gather: use the aluminium vessel that length, width and height are 15 × 10 × 5cm, the long limit thickness of container contact kind of fringe is 0.8-1.2mm, hold on the other hand container bottom, container bottom plane and ground keep 30-45 ° of direction, with on the long limit of container along being close to fruit ear, another hand is worn cotton gloves, near the fruit ear of palm pushing down on the long limit of container along toppling near being adjacent to, lift palm and container, seed just falls in box simultaneously.Due to zoysia japonica seed aboundresources, for improving the efficiency of gathering, generally only select the place that fruit ear is intensive to gather.When seed collection in container stores to pouring in cloth bag or gunnysack after a certain amount of, the storage time can not exceed 4-5 days, carries out as early as possible next step, in order to avoid seed humidity is excessive mouldy.
3) sieve: it is to remove in seed compared with the important step of bigger material that the seed of collection is sieved, and adopts the sieve of aperture 5-6mm to sieve twice, removes larger foreign material.
4) selection by winnowing: packing the seed after sieving into power is 180-200w, maximum quantity of wind 3.8m
3in the grain fanning-sorting machine of/min, carry out selection by winnowing, remove less lighter foreign material, make the unit weight of zoysia japonica seed reach 420-440g/L.
5) wet concentration: wet concentration is the committed step of removing flat seed.It is in the warm water of 15-20 DEG C that seed after selection by winnowing is immersed to temperature, soaks seed after 25-30 minute, and the seed now swimming on the water surface is flat seed.Pull flat seed and foreign material out with the bamboo strainer of aperture 0.3-0.5mm.
6) dehydration: the seed sinking to the bottom is pulled out, put into spin dryer tube and dry 25-30 minute.
7) airing: the seed of spin-dry is placed in immediately above outdoor tarpaulin and carries out airing, and general fine day gentle breeze airing 8-10 hour stops airing in the time that seed moisture proportion reaches 11-13%.
8) pack: by above-mentioned 3-7 step, the zoysia japonica seed cleanliness of gathering is reached more than 95%, can pack when unit weight reaches 480g/L left and right.The sack of dress seed is selected ventilative gunnysack or cloth bag, and for convenience of transport, every bag heavy 25kg is advisable.
9) storage: suitable storage temperature, humidity and aeration status has a significant impact extending seed longevity.After zoysia japonica seed pack, put into freezer and store, layered putting, puts one bag for every layer, and adjacent two layers retains the gap of 10-15cm, and control temperature is 2-5 DEG C, and air humidity is 30-40%, avoids ventilating.
By method of the present invention, store 6-8 and mass conservation through practical proof, germination rate is still more than 90%.Technical solution of the present invention is the zoysia japonica seed storage scheme of gathering.Before zoysia japonica seed is sowed, also need to break wax coat, promote seed sprouting processing.
Zoysia japonica seed harvesting technique of the present invention, is promoted the use of zoysia japonica seed by the station, grassland in several counties such as Xiuyan, Liaoning Province autonomous county of the Manchu, Zhuanghe, Wafangdian and gathers in work, and the qualified zoysia japonica seed of can gathering every year reaches more than ten tons.
Claims (7)
1. a collecting method for zoysia japonica seed, is characterized in that method is as follows:
1) spray drop-proof agent: at zoysia japonica seed early development and a drop-proof agent of growth each spray in mid-term;
2) gather: zoysia japonica seed comes to the ripening period, use the container of tetragonal body, the seed of gathering;
3) sieve: the seed of collection is sieved;
4) selection by winnowing: the seed after sieving is packed into and carries out selection by winnowing in grain fanning-sorting machine;
5) wet concentration: it is in the warm water of 15-20 DEG C that seed after selection by winnowing is immersed to temperature, soaked seed after 25-30 minute, pulled flat seed and foreign material out with the bamboo strainer of aperture 0.3-0.5mm;
6) dehydration: the seed sinking to the bottom is pulled out, put into spin dryer tube and dry 25-30 minute;
7) airing: the seed of spin-dry is placed in immediately above outdoor tarpaulin and carries out airing, stop airing in the time that seed moisture proportion reaches 11-13%;
8) pack: select ventilative gunnysack or cloth bag, pack;
9) storage: put into freezer after zoysia japonica seed pack and store, layered putting, puts a bag for every layer, and adjacent two layers retains the gap of 10-15cm, and control temperature is 2-5 DEG C, and air humidity is 30-40%, avoids ventilating.
2. the collecting method of a kind of zoysia japonica seed as claimed in claim 1, is characterized in that: described drop-proof agent is p-chlorophenoxyacetic acid.
3. the collecting method of a kind of zoysia japonica seed as claimed in claim 1 or 2, is characterized in that: the concentration of described drop-proof agent is the 8-10mg/kg aqueous solution.
4. the collecting method of a kind of zoysia japonica seed as claimed in claim 3, is characterized in that: the amount of spraying of drop-proof agent is 20-25g/m
2.
5. the collecting method of a kind of zoysia japonica seed as claimed in claim 1, it is characterized in that: in a side of container contact kind of fringe, be 0.8-1.2mm along thickness, while gathering, the bottom face of tetragonal body container and ground are kept to 30-45 ° of angle, to grow on limit along being close to fruit ear, another hand is worn cotton gloves, near the fruit ear of palm pushing down on the long limit of container along toppling near being adjacent to, lift palm and container, seed just falls in container simultaneously.
6. the collecting method of a kind of zoysia japonica seed as claimed in claim 1, is characterized in that: while sieving, adopt the sieve of aperture 5-6mm to sieve twice.
7. the collecting method of a kind of zoysia japonica seed as claimed in claim 1, is characterized in that: when selection by winnowing, the power of grain fanning-sorting machine is that 180-200w, maximum quantity of wind are 3.8m
3/ min.
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| CN104838816A (en) * | 2015-05-08 | 2015-08-19 | 贵州大学 | Method of harvesting white atractylodes rhizome seeds |
| CN106076798A (en) * | 2016-06-21 | 2016-11-09 | 中国科学院昆明植物研究所 | The method for cleaning of Stipa purpurea fruit |
| CN106076798B (en) * | 2016-06-21 | 2018-09-07 | 中国科学院昆明植物研究所 | The method for cleaning of Stipa purpurea fruit |
| CN106068962A (en) * | 2016-07-18 | 2016-11-09 | 中国科学院昆明植物研究所 | The method for cleaning of clematis graveolens fruit |
| CN106068962B (en) * | 2016-07-18 | 2018-07-03 | 中国科学院昆明植物研究所 | The method for cleaning of clematis graveolens fruit |
| CN108496461A (en) * | 2018-03-27 | 2018-09-07 | 甘肃省治沙研究所 | A kind of Herba Limonii Gmelinii with yellow flower is peeled net kind of method |
| CN110169266A (en) * | 2019-06-21 | 2019-08-27 | 广西壮族自治区农业科学院 | A kind of method of determining roselle seed collection time |
| CN111034599A (en) * | 2020-01-03 | 2020-04-21 | 南充市春阳生物科技有限公司 | High-quality peanut sprout vegetable cultivation method |
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