CN104429447A - Method for improving parispolyphylla seed yield and quality - Google Patents

Method for improving parispolyphylla seed yield and quality Download PDF

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Publication number
CN104429447A
CN104429447A CN201410537824.2A CN201410537824A CN104429447A CN 104429447 A CN104429447 A CN 104429447A CN 201410537824 A CN201410537824 A CN 201410537824A CN 104429447 A CN104429447 A CN 104429447A
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seed
quality
water
paris polyphylla
plant
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杨丽英
李绍平
李林玉
杨斌
张新华
李佳
马维思
董志渊
王馨
严世武
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Institute of Medicinal Plants Yunnan Academy of Agricultural Sciences
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Institute of Medicinal Plants Yunnan Academy of Agricultural Sciences
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H1/00Processes for modifying genotypes ; Plants characterised by associated natural traits
    • A01H1/02Methods or apparatus for hybridisation; Artificial pollination ; Fertility

Abstract

The invention relates to a method for improving the parispolyphylla seed yield and quality, and belongs to the technical field of traditional Chinese medicinal material cultivation and agricultural seed production. The method for improving the parispolyphylla seed yield and quality specifically comprises the following steps that (1) varieties and plants are preferentially selected so as to ensure good quality and high yield of provenance; (2) fine land selection and preparation are carried out, a sun shelter is built, and a seed reserving field meeting the plant growth requirements is built; (3) rational close planting is carried out, and the seed quality is ensured; (4) drought control and drainage of stagnant water are carried out, weeding and fertilization are carried out, and it is ensured that pregnant buds bloom; (5) plant diseases and insect pests are comprehensively controlled to improve the seed quality; (6) overwintering protection is carried out, and bloom buds cold injuries are reduced; (7) artificial supplementary pollination is carried out to improve the setting percentage; (8) mass selection and seed collection are carried out, seeds are placed in the shade to dry, and the seed purity and quality are improved. The method for improving the parispolyphylla seed yield and quality has the advantages that operation is easy and convenient, the cost is low, the seed yield is high, the emergence rate is high, the setting percentage and yield are tripled, the economical benefit is remarkable, the parispolyphylla seed yield and quality are improved, and large-scale seed production is achieved.

Description

A kind of method improving Yunnan Paris polyphylla seed production and quality
Technical field;
The present invention relates to a kind of method improving Yunnan Paris polyphylla seed production and quality, belong to traditional Chinese medicine seed collecting technical field of cultivation.
Technical background:
Yunnan Paris polyphylla (Paris polyphylla Smith var.Yunnanensis (Franch.) Hand.-Mazz.) is the traditional Chinese medicine that China commonly uses, there is the effects such as clearing heat and detoxicating, swelling and pain relieving, the arresting convulsion of cool liver, one of Original plant of the traditional Chinese medicine Paris polyphylla that " Chinese Pharmacopoeia " records, the raw material of the multiple famous Chinese patent drug of Ye Shi China.Because its medical value is high, since two thousand Paris polyphylla price in Yunnan goes up fast, and present price is 700 yuan/more than kg, and the annual requirement of Yunnan Paris polyphylla is about 100 kilograms.At present, Yunnan Paris polyphylla on market is based on wild resource, because the tight valency of goods is raised, excessively excavate and cause wild resource to be on the verge of exhaustion, and Yunnan Paris polyphylla needed for 8 ~ 9 years from seed germination to medicinal rhizome commodity of gathering, growth cycle is long, is difficult to the requirement meeting pharmacy corporation in the short time, artificial cultivation is the inevitable choice realizing Yunnan Paris polyphylla resources, and at various places, Yunnan Province establishing in large scale.
The breeding of Yunnan Paris polyphylla has Propagation of Rhizomes and seminal propagation two kinds of modes.There is the drawbacks such as rhizome cost is high, reproduction coefficient is low in Yunnan rhizoma paris rhizome breeding, and the reproduction coefficient of seminal propagation is higher, is 30 ~ 200 times.In production practices, owing to there is no abundant rhizome for field production, think and adapt to the requirement of establishing in large scale, production generally adopts seminal propagation.Because Yunnan Paris polyphylla is single flower single fruit plant, solid number is few in its natural state, according to Li Yunchang etc. [1]the average every fruit of research produces seed about 33, according to Yang Bin etc. [2]the average every fruit of research produces seed about 50.5, and Setting percentage is only 16.8%, and seed quality is level uneven (seed size differs, and emergence rate is low) also; On the other hand, due to naturally produced seed production low (every mu is only produced 10 ~ 15,000 grams/acre of dry seedses), the seed reasons such as supply falls short of demand, the fresh seed of current seed price has reached 1500 ~ 2000 yuan/kilogram, and dry seeds has reached 8000 ~ 10000 yuan/kilogram, and generally every mu of seeding quantity is 7 kilograms of dry seedses, plantation Yunnan Paris polyphylla, only seed costs one, every mu just needs about 60,000 yuan, brings very large cost burden to plantation family.The seed output and quality of current seed can not meet the demand of production far away, how to improve seed production and quality has become urgent need to solve the problem in production.Therefore, be necessary to invent a kind of simple and practical Yunnan Paris polyphylla seed production technique, improve Yunnan Paris polyphylla seed production and quality, ensure that market is to the demand of seed.
Bibliography:
[1] Li Yunchang. the introduction and acclimatization [A] .In: Li Heng of Paris. paris plant [M]. Beijing: Science Press, 1998.
[2] Yang Bin, Yang Liying. Yan Shiwu, etc. the Primary Study [J] of Yunnan Paris polyphylla Pollination Characteristics. southwestern agriculture journal, 2008,21 (5): 1388-1390.
Summary of the invention:
The object of the invention is the deficiency overcoming existing naturally solid sowing technology, provide a kind of simple to operate, management cost is low, the production method of seed production and the higher Yunnan Paris polyphylla seed of quality.
The method of raising Yunnan of the present invention Paris polyphylla seed production and quality, concrete steps are as follows:
1. preferred kind and plant, ensure the good quality and high output of provenance
First be the selection of Yunnan Paris polyphylla improved seeds, namely select good quality and high output suitability preferably the improved seeds of registering through kind certification such as " No. 1, Yunnan Paris polyphylla " or " No. 2, Yunnan Paris polyphylla " as provenance.Next is the selection of plant, namely chooses more than life in 10 years, plant growing way is good, cane is sturdy, leaf look dark green healthy Yunnan Paris polyphylla is plant left to run to seed, ensure that plant fully blossoms and bears fruit, and the good elite seed of maturity of gathering.
2. meticulous selection of land builds cool canopy wholely, sets up the seed field meeting plant strain growth needs
Selection of land: selection irrigation and drainage are convenient, the content of organic matter is higher, loose fertile sandy loam, are conducive to the growth of Yunnan Paris polyphylla.Must guard against and easily harden barren, plant in the soil of impeded drainage.
Wholely: remove impurity, the residue in plot, and clean with baked wheaten cake, prevent or reduce the generation of damage by disease and insect in the coming year.Behind clean ground, every 666.67 ㎡ use the farmyard manure 2000kg ~ 3000kg and superphosphate 40kg that become thoroughly decomposed, evenly spread on the ground, then plough deeply more than 30cm, sun the earth which has been ploughed up one month, to eliminate worm's ovum, germ.Then soil of raking in small, broken bits.
Reason moisture in the soil: according to the slope aspect mountain shape in plot, manage moisture in the soil by wide 120cm, high 25cm, dead furrow with enclose furrow width 30cm, ditch ditch is communicated, and has delivery port.
Building cool canopy: after whole geographical moisture in the soil completes, build cool canopy with the sunshade net that shading rate is 70%, is highly 1.8m, keeps surrounding to ventilate, in order to wind pollination.
3. rational close planting, ensures seed production
Seedling quality: select more than life in 10 years, terminal bud is intact, without the plant of obvious scab and broken scar mark, plants in early October to early November.Before plantation, with 70% thiophanate methyl, 800 times of liquid or 50% carbendazol wettable powder, 500 times of immersion bubble 1h, carry out the process of plant rhizome, pull out, drying surface moisture can transplant.
Transplanting method: with the density of 1.8 ten thousand plants/acre, by line-spacing 20cm, opens the ditch that 5cm ~ 6cm is dark, by spacing in the rows 15cm, each rhizome is put into ditch, make fibrous root in order, bud head upwards, hug flat by earthing, appropriateness compacting, then at the pine needle of bed surface upper cover thick layer 2cm or broken grass, water permeable.
4. take precautions against drought water drainage, weeding is applied fertilizer, and ensures that pregnant flower bud blooms
To take precautions against drought water drainage: water in time during annual arid in 3 to April of spring, field soil should be kept moistening.Drain ditch before arriving rainy season around reply land for growing field crops is cleared up in time; Can not ponding in ditch after rain.
Weeding: extract in time when weeds highly about 3cm ~ 4cm, accomplish that field is without weeds.Do not allow the weed killer herbicide using any kind, should artificial weeding be carried out.
Topdress: First Year after transplanting, late June, every 666.67 ㎡ used urea 8kg, were watered to water and executed, and the ratio of urea and water is 1:50; Late July uses composite fertilizer (N:P:K=15:15:15) 20kg, is watered to water and executes, and the ratio of composite fertilizer and water is 1:50; Start at the beginning of 8 months to spray 0.5% potassium dihydrogen phosphate aqueous solution 3 times every 15 days.In second and third year, late May, every 666.67 ㎡ used urea 12kg, were watered to water and executed, and the ratio of urea and water is 1:50; Late July uses composite fertilizer (N:P:K=15:15:15) 30kg, is watered to water and executes, and the ratio of composite fertilizer and water is 1:30; Start at the beginning of 8 months to spray 0.5% potassium dihydrogen phosphate aqueous solution 3 times every 15 days.
5. integrated control damage by disease and insect, improves seed quality
To the extermination of disease and insect pest in seed-breeding field, adopt conventional integrated pest control in agriculture and physical control to be main, chemical control is auxiliary comprehensive preventive health measures.Cultural control, i.e. efficent rotation, get rid of field ponding, extract weeds in field in time, finds that diseased plant is pulled out immediately, concentrates to burn or buried.Physical control, namely installs frequency ventilating type insecticidal lamp in nursery, insect such as trapping chafer and cutworm etc.; During whole ground, the insects such as the grub that manual catching and killing exposes.Chemical control, namely uses the agricultural chemicals of biologic product as far as possible, only uses low toxicity, low-residual, and country allows the agricultural chemicals used.
6. survive the winter cold-proof, reduce Bud Cold Damage
Yunnan Paris polyphylla is herbaceos perennial, and annual late October plant falls after seedling and namely starts to form bud, after the low temperature in winter, is unearthed the coming year and namely blooms.Be the resting stage of Yunnan Paris polyphylla at the beginning of 3 months November to next year, during this period, every 666.67 ㎡ 1000kg ~ 1500kg well-rotted farmyard manures or pine tag are evenly sprinkling upon surface, seedbed, play moisturizing and heat getting fat effect.Check a soil moisture content every 15 days, water in good time, keep nursery soil water content between 20% ~ 30%.
7. artificial supplementary pollination, improves ripening rate
Artificial supplementary pollination: Yunnan Paris polyphylla is anemophily and insect pollination plant, pollen is the main cause that under the Paris polyphylla population natural conditions of restriction Yunnan, ripening rate is low.Adopt artificial supplementary pollination, namely use soft small brushes or cotton balls dipping gently on the stamen and column cap of each flower.
Pollination time: annual April, Yunnan Paris polyphylla starts to emerge.When emerging, bennet is extremely short, and together with blade wraps tightly with sepal, after half wheat harvesting period, the progressively elongation of bennet, makes blade be separated with flower, and sepal launches, and whole floral organ exposes, and namely starts to bloom, accepts pollen.When carrying out artificial pollination, complete effect in 5 days after splitting with pollen sac best.General selection fine day, after pollen sac cracking, 3 ~ 5 day morning or afternoon carry out 2 pollinations.General In Western Yunnan backlands district, Yunnan Paris polyphylla started to bloom in mid or late April, and the florescence lasts till early September; In south of Yunnan and middle part, the florescence is from late March to late September.
8. mixed choosing is collected seed, and storage of drying in the shade, ensures seed purity and quality
The seed collection time: In Western Yunnan backlands district, Yunnan Paris polyphylla is generally gathered to mid-October in late September; In south of Yunnan and middle part, general late October gathered to early November.
Mixed choosing is collected seed: the fruit selecting healthy and strong plant, one or many fruit picking, by fruit picking roguing, selects excellent reserving seed for planting.
Seed treatment and storage adopt prior art to carry out, that is: the method for " a kind of Yunnan Paris polyphylla scale breeding technology " (ZL201010152148.9) that invent according to this seminar is carried out.
The present invention compared with prior art has the following advantages:
1. ripening rate and output all improve twice
Adopt method of the present invention, the Yunnan Paris polyphylla ripening rate of production, by 23.3 ~ 26.7%, brings up to 50.6 ~ 57.3%; Dry seeds output brings up to 37.6 ~ 42.1 thousand grams/acre by 13.6 ~ 14.7 thousand grams/acre, is all 2 times of rhizome commodity production field, remarkable in economical benefits.
2. thousand kernel weight increases
The present invention not only increases ripening rate, increase yield, and thousand kernel weight also brings up to 13.6 ~ 13.8 grams by 10.2 ~ 10.8 grams, and percentage of seedgermination reaches more than 95%, higher than conventional seeding quality.
3. seedling is healthy and strong
The seedling that the present invention cultivates is based on fine provenance, and germination rate reaches more than 95%, and seedling growth is vigorous, and planting percent is high.
4. code requirement operating technology of the present invention carries out daily management, easy to operate, can large scale application.
Embodiment:
Embodiment method therefor step is with described in summary of the invention part.
Embodiment one
2012, the flourish Paris polyphylla experiment and demonstration base, Yunnan of Latin America of Ludian township of Lijing Yulong county
Carry out Yunnan Paris polyphylla seed produces by method of the present invention, carry out the solid number of individual plant, single-strain fructification yield after collecting seed October, thousand kernel weight, per mu yield grain weight and germination rate statistics, the seed produced with Paris polyphylla production field, rhizome commodity Yunnan is made comparisons:
1. provenance and field management
Choose above " No. 1, the Yunnan Paris polyphylla " plant of life in 10 years, adopt the field management technology described in summary of the invention, namely meticulous selection of land builds cool canopy wholely, rational close planting, to take precautions against drought water drainage, weeding fertilising, integrated control damage by disease and insect, survive the winter cold-proof, reduce the measure of Bud Cold Damage.
2. supplementary pollination technology
In Yunnan, base, Paris polyphylla mid or late April starts Post flowering, and select fine day to carry out 2 artificial pollination process, once, artificial pollination in 5 days once for the artificial pollinations in 3 days namely after pollen sac splits.With small brushes or cotton balls dipping gently on the stamen and column cap of each flower of softness.
3. seed collection
On October 20th, 2012, seed of gathering when exosper is peony, cut fruit with scissors after fruit splits.
4. seed treatment, storage
" a kind of Yunnan Paris polyphylla scale breeding technology " (ZL201010152148.9) technical patent adopting this seminar to invent; be about to the seed after gathering and wash away exosper; seed airing on the indoor floor without sunshine direct projection; airing thickness 4 ~ 6cm; stir 4 every day; keep room temperature 25 DEG C, when seed moisture content is 16%, collect and be stored in indoor seed packet.
5. seed-setting number, ripening rate, thousand kernel weight, output and germination rate measure
The solid number of individual plant: get 30 fruits, the solid number of each fruit of number, and calculate average solid number, i.e. seed number/30 of solid number=30 of an individual plant fruit.
Ripening rate measures: ripening rate=(the solid number of individual plant/mono-flower ovule number) X 100%.Single flower ovule number calculates, and is namely 300 calculating by the mean of the colored ovule of mensuration 100.
Thousand kernel weight measures: random number is got 1000 seeds and weighed, and repeats 3 times, calculates its mean value.
Per mu yield seed weight is calculated: the seed collecting sampling point in 4 square metres of plot, random selecting seed-breeding field; adopt five point samplings; the seed specimen amount of totally 20 meters, by the seed processing technology in " a kind of Yunnan Paris polyphylla scale breeding technology " (ZL201010152148.9) patent, weighs after drying in the shade.Per mu yield seed is heavy=the seed dry yield X666.67/20 of 20 square metres.
Percentage of seedgermination measures: Yunnan Paris polyphylla seed is soaked 24h in distilled water, 10min is soaked again in 0.1% liquor natrii hypochloritis, with distilled water flushing, after sterilization treatment, damp sand with crossing through steam sterilizing, mixes according to the ratio of 1:5, is placed in the climatic cabinate of 20 DEG C, adding up germination rate after 120d, take radicle length as the chitting piece counting of seed length 1/2.Often process 100 seeds, repeat 3 times.Seed number × 100% is planted experimentally in the seed number/confession of sprouting radicle in germination rate=stipulated time.
Table 1 Yunnan Paris polyphylla seed different disposal seed-setting rate, thousand kernel weight, output and germination rate compare
As can be seen from Table 1, solid several 152 of the technology of the present invention individual plant, ripening rate 50.6%, thousand kernel weight 13.8g, per mu yield 37.6 kilograms, germination rate is 95.6%.Its ripening rate and per mu yield are 2 times of rhizome commodity production field, and thousand kernel weight and germination rate are also high than rhizome commodity production field.
Embodiment two
2013, the flourish Paris polyphylla experiment and demonstration base, Yunnan of Latin America of Ludian township of Lijing Yulong county
Carry out Yunnan Paris polyphylla seed produces by method of the present invention, carry out the solid number of individual plant, single-strain fructification yield after collecting seed October, thousand kernel weight, per mu yield grain weight and germination rate statistics, the seed produced with Paris polyphylla production field, rhizome commodity Yunnan is made comparisons:
1. provenance and field management
Choose above " No. 1, the Yunnan Paris polyphylla " plant of life in 10 years, adopt the field management technology described in summary of the invention, namely meticulous selection of land builds cool canopy wholely, rational close planting, to take precautions against drought water drainage, weeding fertilising, integrated control damage by disease and insect, survive the winter cold-proof, reduce the measure of Bud Cold Damage.
2. supplementary pollination technology
In Yunnan, base, Paris polyphylla mid or late April starts Post flowering, and select fine day to carry out 2 artificial pollination process, once, artificial pollination in 5 days once for the artificial pollinations in 3 days namely after pollen sac splits.With small brushes or cotton balls dipping gently on the stamen and column cap of each flower of softness.
3. seed collection
On October 22nd, 2013, seed of gathering when exosper is peony, cut fruit with scissors after fruit splits.
4. seed treatment, storage
" a kind of Yunnan Paris polyphylla scale breeding technology " (ZL201010152148.9) technology adopting this seminar to invent; be about to the seed after gathering and wash away exosper; seed airing on the indoor floor without sunshine direct projection; airing thickness 4 ~ 6cm; stir 4 every day; keep room temperature 25 DEG C, when seed moisture content is 16%, collect and be stored in indoor seed packet.
5. seed-setting number, ripening rate, thousand kernel weight, output and germination rate measure
The solid number of individual plant: get 30 fruits, the solid number of each fruit of number, and calculate average solid number, i.e. seed number/30 of solid number=30 of an individual plant fruit.
Ripening rate measures: ripening rate=(the solid number of individual plant/mono-flower ovule number) X 100%.Single flower ovule number calculates, and is namely 300 calculating by the mean of the colored ovule of mensuration 100.
Thousand kernel weight measures: random number is got 1000 seeds and weighed, and repeats 3 times, calculates its mean value.
Per mu yield seed weight is calculated: the seed collecting sampling point in 4 square metres of plot, random selecting seed-breeding field; adopt five point samplings; the seed specimen amount of totally 20 meters, by the seed processing technology in " a kind of Yunnan Paris polyphylla scale breeding technology " (ZL201010152148.9) patent, weighs after drying in the shade.Per mu yield seed is heavy=the seed dry yield X666.67/20 of 20 square metres.
Percentage of seedgermination measures: Yunnan Paris polyphylla seed is soaked 24h in distilled water, 10min is soaked again in 0.1% liquor natrii hypochloritis, with distilled water flushing, after sterilization treatment, damp sand with crossing through steam sterilizing, mixes according to the ratio of 1:5, is placed in the climatic cabinate of 20 DEG C, adding up germination rate after 120d, take radicle length as the chitting piece counting of seed length 1/2.Often process 100 seeds, repeat 3 times.Seed number × 100% is planted experimentally in the seed number/confession of sprouting radicle in germination rate=stipulated time.
Table 2 Yunnan Paris polyphylla seed different disposal seed-setting rate, thousand kernel weight, output and germination rate compare
As can be seen from Table 2, solid several 172 of the technology of the present invention seed produces field individual plant, ripening rate 57.3%, thousand kernel weight 13.6g, per mu yield 42.1 kilograms, germination rate is 96.2%.Its ripening rate and per mu yield are 2 times of rhizome commodity production field, and thousand kernel weight and germination rate are also high than rhizome commodity production field.

Claims (1)

1. improve a method for Yunnan Paris polyphylla seed production and quality, it is characterized in that the step of the method is as follows:
A. preferred kind and plant
Select through kind certification registration No. 1, improved seeds Yunnan Paris polyphylla or No. 2, Yunnan Paris polyphylla as provenance; Choose more than life in 10 years, plant growing way is good, cane is sturdy, leaf look dark green healthy Yunnan Paris polyphylla is plant left to run to seed, and the good elite seed of the maturity of plant left to run to seed of gathering;
B. the seed field meeting plant strain growth needs is set up
Selection of land: selection irrigation and drainage are convenient, the content of organic matter is higher, loosen fertile sandy loam as Yunnan Paris polyphylla vegetatively;
Wholely: remove impurity, the residue in plot, and with burning only; Then every 666.67 ㎡ use the farmyard manure 2000kg ~ 3000kg and superphosphate 40kg that become thoroughly decomposed, evenly spread on the ground, then plough deeply more than 30cm, with soil of raking in small, broken bits after sunning the earth which has been ploughed up one month;
Reason moisture in the soil: according to the slope aspect mountain shape in plot, manage moisture in the soil by wide 120cm, high 25cm, dead furrow with enclose furrow width 30cm, ditch ditch is communicated, and has delivery port;
Build cool canopy: after whole geographical moisture in the soil completes, build the cool canopy of sharp wind pollination with the sunshade net that shading rate is 70%, cool canopy height 1.8m, surrounding is ventilated;
C. rationally transplant
Seedling quality: select more than life in 10 years, terminal bud is intact, without the plant of obvious scab and broken scar mark, plants in early October to early November; Before plantation, with 70% thiophanate methyl, 800 times of liquid or 50% carbendazol wettable powder, 500 times of immersion bubble 1h, the process of conventional plant rhizome, pulls out, transplants after drying surface moisture;
Transplanting method: with the density of 1.8 ten thousand plants/acre, by line-spacing 20cm, opens the ditch that 5cm ~ 6cm is dark, by spacing in the rows 15cm, each rhizome is put into ditch, make fibrous root in order, bud head upwards, hug flat by earthing, appropriateness compacting, then at the pine needle of bed surface upper cover thick layer 2cm or broken grass, water permeable;
D. field management
To take precautions against drought water drainage: water in time during annual arid in 3 to April of spring, keep field soil moistening; Rainy season clears up in time to the drain ditch around land for growing field crops before arriving, can not ponding in ditch after rain;
Weeding: the timely artificial weeding when weeds height 3cm ~ 4cm, accomplishes that field is without weeds;
Topdress: First Year after transplanting, late June, every 666.67 ㎡ used urea 8kg, were watered to water and executed, and the ratio of urea and water is 1:50; Late July, every 666.67 ㎡ used the composite fertilizer 20kg of N:P:K=15:15:15, were watered to water and executed, and the ratio of composite fertilizer and water is 1:50; Start every 666.67 ㎡ every 15 days at the beginning of 8 months and spray 0.5% potassium dihydrogen phosphate aqueous solution 3 times; Second and every 666.67 ㎡ in the last ten-days period in May of 3 years use urea 12kg, be watered to water and execute, the ratio of urea and water is 1:50; Late July, every 666.67 ㎡ used the composite fertilizer 30kg of N:P:K=15:15:15, were watered to water and executed, and the ratio of composite fertilizer and water is 1:30; Start every 666.67 ㎡ every 15 days at the beginning of 8 months and spray 0.5% potassium dihydrogen phosphate aqueous solution 3 times;
E. the extermination of disease and insect pest
Adopt conventional integrated pest control in agriculture and physical control to be main, chemical control is that auxiliary comprehensive preventive health measures is to the extermination of disease and insect pest in seed-breeding field;
F. survive the winter cold-proof
Be the resting stage of Yunnan Paris polyphylla at the beginning of 3 months November to next year, during this period, every 666.67 ㎡ 1000kg ~ 1500kg well-rotted farmyard manures or pine tag are evenly sprinkling upon surface, seedbed, and moisturizing heats getting fat; Check a soil moisture content every 15 days, water in good time, keep nursery soil water content between 20% ~ 30%;
G. artificial supplementary pollination
Artificial supplementary pollination: with soft small brushes or cotton balls dipping gently on the stamen and column cap of each flower;
Pollination time: select fine day, after pollen sac cracking, 3 ~ 5 day morning or afternoon carry out 2 pollinations;
H. collect seed and preserve
The seed collection time: In Western Yunnan backlands district, Yunnan Paris polyphylla was gathered to mid-October in late September; South of Yunnan and middle part, Yunnan Paris polyphylla was gathered to early November in late October;
Mixed choosing is collected seed: the fruit selecting healthy and strong plant, and one or many fruit picking, by fruit picking roguing, selects excellent reserving seed for planting;
Seed treatment and the same prior art of storage.
CN201410537824.2A 2014-10-13 2014-10-13 Method for improving parispolyphylla seed yield and quality Pending CN104429447A (en)

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CN104871933A (en) * 2015-06-15 2015-09-02 云南农业大学 Method for cultivating organic Paris polyphylla var. yunnanensis under Pinus armandii forest
CN104969742A (en) * 2015-06-11 2015-10-14 怀化医学高等专科学校 Rapid propagation method for cutting rhizomes of Paris polyphylla with high power
CN105009902A (en) * 2015-07-28 2015-11-04 渠县金穗农业科技有限公司 Mixed interplant method for white peony root division breeding
CN105248093A (en) * 2015-10-19 2016-01-20 中国科学院昆明植物研究所 Method increasing Paris polyphylla var yunnanensis maturing rate
CN105359896A (en) * 2015-11-20 2016-03-02 李中校 Method for effectively preventing and treating plant diseases and insect pests in rhizoma paridis cultivation
CN106233871A (en) * 2016-07-29 2016-12-21 柳州创宇科技有限公司 A kind of processing method improving Rhizoma Paridis seed germination rate
CN106416655A (en) * 2016-08-02 2017-02-22 景谷雄剑重楼种植专业合作社 Rhizoma Paridis artificial seedling growing method
CN106416666A (en) * 2016-08-29 2017-02-22 广元市青川县山客山珍有限公司 Powdery paris polyphylla planting method
CN107581004A (en) * 2017-10-25 2018-01-16 昆明琅环农业科技有限公司 A kind of seedling growing method of Paris polyphylla
CN107691152A (en) * 2017-10-18 2018-02-16 云南省农业科学院农业环境资源研究所 A kind of Paris polyphylla geotextiles mulching and planting method
CN109006221A (en) * 2018-08-13 2018-12-18 云南省农业科学院农业环境资源研究所 Paris polyphylla husk mulching and planting method
CN110122232A (en) * 2018-02-09 2019-08-16 紫云自治县长萌农业科技开发有限责任公司 A kind of cultural method improving subprostrate sophora seed fruit-setting rate and yield
CN110352806A (en) * 2019-08-29 2019-10-22 西昌学院 A kind of clayed soil Paris polyphylla cultural method

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CN104871933A (en) * 2015-06-15 2015-09-02 云南农业大学 Method for cultivating organic Paris polyphylla var. yunnanensis under Pinus armandii forest
CN105009902A (en) * 2015-07-28 2015-11-04 渠县金穗农业科技有限公司 Mixed interplant method for white peony root division breeding
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CN105359896A (en) * 2015-11-20 2016-03-02 李中校 Method for effectively preventing and treating plant diseases and insect pests in rhizoma paridis cultivation
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CN106416655A (en) * 2016-08-02 2017-02-22 景谷雄剑重楼种植专业合作社 Rhizoma Paridis artificial seedling growing method
CN106416666A (en) * 2016-08-29 2017-02-22 广元市青川县山客山珍有限公司 Powdery paris polyphylla planting method
CN107691152A (en) * 2017-10-18 2018-02-16 云南省农业科学院农业环境资源研究所 A kind of Paris polyphylla geotextiles mulching and planting method
CN107581004A (en) * 2017-10-25 2018-01-16 昆明琅环农业科技有限公司 A kind of seedling growing method of Paris polyphylla
CN110122232A (en) * 2018-02-09 2019-08-16 紫云自治县长萌农业科技开发有限责任公司 A kind of cultural method improving subprostrate sophora seed fruit-setting rate and yield
CN109006221A (en) * 2018-08-13 2018-12-18 云南省农业科学院农业环境资源研究所 Paris polyphylla husk mulching and planting method
CN110352806A (en) * 2019-08-29 2019-10-22 西昌学院 A kind of clayed soil Paris polyphylla cultural method

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