CN102499054B - Method for production of sweet pepper hybrid seeds - Google Patents

Method for production of sweet pepper hybrid seeds Download PDF

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Publication number
CN102499054B
CN102499054B CN 201110286449 CN201110286449A CN102499054B CN 102499054 B CN102499054 B CN 102499054B CN 201110286449 CN201110286449 CN 201110286449 CN 201110286449 A CN201110286449 A CN 201110286449A CN 102499054 B CN102499054 B CN 102499054B
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bed
seed
soil
seedling
maternal
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CN102499054A (en
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潘德清
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Cixi Deqing Seed Germchit Co., Ltd.
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CIXI DEQING SEED GERMCHIT Co Ltd
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Abstract

A method for production of sweet pepper hybrid seeds includes: A, making a male-female parent seedling bed; B, seeding for male and female parents at different stages, selecting female parent seeds from original Aidan 92-3-2 produced by Beijing seed company, and selecting male parent seeds from a self-selected yellow-shelled green pepper line 9808-8 produced by Deqing seeds and seedlings Co, Ltd. in Cixi city; C, transplanting seedlings into pots; D, performing field transplanting, and covering with black mulch to prevent grass damage; E, preparing before seed production, paring a land for weed removal once in April, and removing all first-generation flowers and fruits in early May when male parents of the sweet pepper blossom to bear fruits; F, collecting pollen of female parents; G, performing emasculation and pollination for the male parents; H, performing management after seed production, topping after five generations of fruit setting, applying compound fertilizer 20kg per mu by drip irrigation, and controlling greenhouse temperature to be between 22 DEG C and 28 DEG C; and I, harvesting. The sweet pepper seeds produced by the method are high in purity and good in quality, and benefits of per mu yield of sweet pepper planting can be improved greatly.

Description

A kind of cross-breeding method of pimento
(1) technical field
The present invention relates to a kind of cross-breeding method of pimento.
(2) background technology
Pimento is one of main vegetables in summer, and market demand is bigger at home.Plantation pimento cost is low, high efficiency, market sales volume are big.In the Ningbo City, Zhejiang Province and Yangtze River Delta basin, because pimento is wide in variety both at home and abroad, kind property is assorted, seed is expensive, breeding good method and market adapt to fails supportingly, often occurs unmarketable and the situation low yield poor efficiency, and plantation per mu yield benefit afterwards is not high.
(3) summary of the invention
In order to overcome the above-mentioned deficiency of existing pimento seed, the invention provides a kind of cross-breeding method of pimento, the pimento seed of acquisition is suitable for the plantation of Yangtze River Delta basin, can significantly increase the per mu yield benefit.
The technical scheme that the present invention solves its technical problem is: a kind of cross-breeding method of pimento is characterized in that comprising the following steps:
A. the making in this seedbed of father and mother: select not plant in recent years soil in the booths of Solanaceae class vegetables as father and mother's bed of originally growing seedlings, the bed of growing seedlings ploughed deeply fill out the fertile soil of not planting Solanaceae class vegetables again or burn burnt earth after raking, 300 times of liquid of 50% carbendazim or every square metre of composite soil 8~10g that sprinkles 50% powder of carbendazim and mud are sprayed in the thin leveling of rake back; The bedside 1.5m that grows seedlings, the wide 0.5m in aisle between the bed of growing seedlings, the bed surface of the bed of growing seedlings is lower than aisle 5cm;
B. originally sowing by stages of father and mother: the male parent seed is selected short single 92-3-2 of former Beijing seeds company for use, maternal seed is selected the big green pepper 9808-8 of the yellow shell of self bred inbred line of Cixi City Deqing seed seedling for use, after this seed of father and mother handled and drain through 15 minutes 50 ℃ of water seed soakings, evenly dress seed with 75% tpn pulvis, every square metre of seeding quantity is 10~15g; Maternal male parent was sowed in late November, broadcast the nutrition soil that sieves on the bonnet in sowing mid-November, and this nutrition soil is the incinerated matter of weeds and ground surface soil, watered after covering rice chaff ash in the above again;
At the bed surface tiling mulch film of bed of growing seedlings, the bed of growing seedlings in the booth overlaps hut again, and cover nonwoven night below 8 ℃ the time again on hut warming;
Treat that Qi Miaohou sprays with 500 times of liquid of 75% tpn, seedbed minimum temperature at night is controlled more than 10 ℃, and daytime, seedling bed temperature control was at 22~28 ℃;
C. the into alms bowl of transplanting seedlings: selecting diameter for use is 8cm, the degree of depth is the cylindrical plastic alms bowl of 10cm, in polypots, insert nutrition soil, the composition of nutrition soil for the top layer fertile soil of not planting Solanaceae class vegetables in recent years, burn burnt earth and the composite soil of become thoroughly decomposed pig manure and phosphate fertilizer, potash fertilizer; Father's female parent seedling moves into polypots respectively when treating that the pimento seedling grows to 2 leaves, 1 heart, and waters a root water, and polypots continues to place in the hut, and canopy temperature control is taken off hut and seen light between 15~25 ℃ daytime after living; Blade tip as overcast and rainy pimento seedling has water droplet not dried, then covers nonwoven moisture absorption bonnet hut film at night earlier, and sprays diseases preventions with 500~600 times of liquid tpns;
D. field-transplanting: mid-March booth through the empty stubble solution salt of pouring water, apply 3000 kilograms and the 50 kilograms composite fertilizers of fertilizer of becoming thoroughly decomposed for every mu by the back of deep ploughing and make base manure, do furrow after the leveling, the wide 1m of furrow, furrow width 30cm, ditch depth 25cm covers black mulch film and prevents crop smothering;
Treat late March, the pimento seedling is moved into field planting in the booth, the male parent cultivated area is 25: 1 with planting of maternal area ratio, male parent is according to 35cm * 35cm spacing in the rows plantation, fly net is set around this canopy of father and mother, maternal according to 40cm * 40cm spacing in the rows plantation, execute 0.5% urea rich water while planting and water root; Cold air then adopts little shed seedling-protection or the directly wide sprout cultivation mulch film insulation of straight shop 2m on transplanting stock to the pimento seedling if meet in short-term;
E. prepare before the production of hybrid seeds: once cut ground weeding work April, the canopy ground of ground drying uses the moistening ground of drip irrigation;
When really blooming, the maternal second generation of pimento in the first tenday period of a month in May extracts all flower and the fruits of the first generation, pollination 500~600 times of tpn liquid of spray in preceding 10 days and 1500 times of anti-aphids of a clean liquid, pollination spray the previous day can kill for one time 75% 500 times of liquid, prevent spray medicine damage stripping flower bud young fruit during pollinating;
F. gather paternal pollen: at air dried fine morning 6~8 o'clock collection paternal pollens; Overcast and rainyly then pluck the big bud that corolla bleaches noon before that day in pollination, take out flower pesticide with tweezers, place behind the culture dish heat drying with standby after the sieve;
G. maternally castrate pollination: bleach when also not blooming medicine at the corolla of the maternal bud of the second generation, divest petal and stamen with pointing, and scratch sepal simultaneously and serve as a mark, with rubber tip paternal pollen is coated on the maternal column cap again and gets final product;
H. manage after the production of hybrid seeds: pinch after 5 generations beared fruit, with drip irrigation mu sealing fertilizer 20kg, the canopy temperature control is at 22~28 ℃;
I. gather: mid or late July is when planting the arnotto look well-done, begin to gather, and the sepal mark of doing when confirming in the G step production of hybrid seeds is identified true and false allocarpy, real allocarpy was plucked after-ripening two days, the drying in the air of laying in booth of after the strip off seed being dried in the air is kind online, booth ventilates, and is lower than at 7% o'clock through the quality percentage composition of intraseminal water after the airing and namely puts storage in storage.
Beneficial effect of the present invention is: prepared pimento seed purity height, quality is good, can improve the per mu yield benefit of pimento plantation greatly.
(4) embodiment
Below in conjunction with embodiment the present invention is described in further detail.
A kind of cross-breeding method of pimento comprises the following steps:
A. the making in this seedbed of father and mother: select not plant in recent years soil in the booths of Solanaceae class vegetables as father and mother's bed of originally growing seedlings.In recent years refer to 2~3 years, generally choose the soil in the booth of not planting Solanaceae class vegetables in 3 years.Seedling bed earth earth ploughed deeply fill out the fertile soil of not planting Solanaceae class vegetables again or burn burnt earth after raking, 300 times of liquid of 50% carbendazim or every square metre of composite soil 8~10g that sprinkles 50% powder of carbendazim and mud are sprayed in the thin leveling of rake back; The bedside 1.5m that grows seedlings, the wide 0.5m in aisle between the bed of growing seedlings, the bed surface of the bed of growing seedlings is lower than aisle 5cm.
B. originally sowing by stages of father and mother: the male parent seed is selected short single 92-3-2 of former Beijing seeds company for use, maternal seed is selected the big green pepper 9808-8 of the yellow shell of self bred inbred line of Cixi City Deqing seed seedling for use, after this seed of father and mother handled and drain through 15 minutes 50 ℃ of water seed soakings, evenly dress seed with 75% tpn pulvis, every square metre of seeding quantity is 10~15g; Maternal male parent was sowed in late November in sowing mid-November, made these parents' of father and mother flower synchronization.Broadcast the nutrition soil that sieves on the bonnet, this nutrition soil is the incinerated matter of weeds and ground surface soil, waters after covering rice chaff ash in the above again.The incinerated matter of weeds and ground surface soil can be realized sterilizing function as nutrition soil, and its various physical forms are good, can not destroy ecotope, can promote agricultural sustainable development, burns back grass seeds disappearance, and more loose, it is abundant to contain potassium, can not make the seedling overgrowing; Rice chaff ash also is the high temperature incineration thing, and lid has the effect of insulation ventilation heat absorption in the above, more can make well developed root system, can not hinder root behind the lifting, and alive fast, economical and practical, cheap and easy to get, is the excellent culture medium matter of anti-seedling disease.
At the bed surface tiling mulch film of the bed of growing seedlings, the bed of growing seedlings in the booth overlaps the hut heat and moisture preserving again, and cover the nonwoven warming night again on hut, impel as early as possible and emerge.
Wait to emerge and Qi Miaohou sprays with 500 times of liquid of 75% tpn, seedbed minimum temperature at night is controlled more than 10 ℃, and daytime, seedling bed temperature was controlled at 22~28 ℃.
C. the into alms bowl of transplanting seedlings: selecting diameter for use is 8cm, the degree of depth is the cylindrical plastic alms bowl of 10cm, excessive cost of idleness, too smallly can make again that rice shoot is crowded, elongated, the empty stem of plumular axis causes disease, in polypots, insert nutrition soil, the composition of nutrition soil for the top layer fertile soil of not planting Solanaceae class vegetables in recent years, burn burnt earth and the composite soil of become thoroughly decomposed pig manure and phosphate fertilizer, potash fertilizer; Father's female parent seedling is transplanted into polypots respectively when treating that the pimento seedling grows to 2 leaves, 1 heart, and waters a root water, and polypots continues to place in the hut, and canopy temperature control is taken off hut and seen light between 15~25 ℃ daytime after living; Blade tip as overcast and rainy pimento seedling has water droplet not dried, then covers nonwoven moisture absorption bonnet hut film at night earlier, and sprays diseases preventions with 500~600 times of liquid tpns;
D. field-transplanting: mid-March booth through the empty stubble solution salt of pouring water, apply 3000 kilograms and the 50 kilograms composite fertilizers of fertilizer of becoming thoroughly decomposed for every mu by the back of deep ploughing and make base manure, do furrow after the leveling, the wide 1m of furrow, furrow width 30cm, ditch depth 25cm covers black mulch film, prevents crop smothering.
Treat late March, the pimento seedling is moved into field planting in the booth, and the male parent cultivated area is 25: 1 with planting of maternal area ratio, and male parent is according to 35cm * 35cm spacing in the rows plantation, around this canopy of father and mother fly net is set and is strictly on guard against that insect goes into canopy and adopts powder, guarantee that male parent has enough pollen to use for flower of female parent.Female parent is executed 0.5% urea rich water while planting and is watered root according to 40cm * 40cm spacing in the rows plantation, promotes alive as early as possible; Cold air then adopts little shed seedling-protection or the directly wide sprout cultivation mulch film insulation of straight shop 2m on transplanting stock to the pimento seedling if meet in short-term.
E. prepare before the production of hybrid seeds: once cut ground weeding work during April, the canopy ground of ground drying uses the moistening ground of drip irrigation;
When really blooming, the maternal second generation of pimento in the first tenday period of a month in May extracts all flower and the fruits of the first generation, pollination 500~600 times of tpn liquid of spray in preceding 10 days and the anti-aphid of 1500 times of clean liquid (10% imidacloprid wettable powder), pollination spray the previous day can kill for one time 75% 500 times of liquid, prevent spray medicine damage stripping flower bud young fruit during pollinating;
F. gather paternal pollen: at air dried fine morning 6~8 o'clock collection paternal pollens; Overcast and rainyly then pluck the big bud that corolla bleaches noon before that day in pollination, take out flower pesticide with tweezers, place behind the culture dish heat drying with standby after the sieve;
G. maternally castrate pollination: bleach when also not blooming medicine at the corolla of the maternal bud of the second generation, divest petal and stamen with pointing, and scratch sepal simultaneously and serve as a mark, with rubber tip paternal pollen is coated on the maternal column cap again and gets final product.We fully improve date of seeding and impel fruiting period temperature suitable, and the excision of maternal door green pepper, determined that through test of many times second generation bud begins to shell the flower bud production of hybrid seeds, at this moment benign climate, both reduced the appearance of seedless fruit and few seed fruit, and avoided the bearing fruit property of a green pepper again and influence the prosperous length of maternal plant.
H. manage after the production of hybrid seeds: pinch after 5 generations beared fruit, with drip irrigation mu sealing fertilizer 20kg, the canopy temperature control is at 22~28 ℃;
I. gather: mid or late July is when planting the arnotto look well-done, begin to gather, and the sepal mark of doing when confirming in the G step production of hybrid seeds is identified true and false allocarpy, real allocarpy was plucked after-ripening two days, the drying in the air of laying in booth of after the strip off seed being dried in the air is kind online, booth ventilates, and is lower than at 7% o'clock through the quality percentage composition of intraseminal water after the airing and namely puts storage in storage.
Test shows, the pimento seed that adopts the present invention to cultivate, and the mu units increased in production can reach 1700~1800kg, and mu volume increase value can reach 1500~1600 yuan.

Claims (1)

1. the cross-breeding method of a pimento is characterized in that comprising the following steps:
A. the making in this seedbed of father and mother: select not plant in recent years soil in the booths of Solanaceae class vegetables as father and mother's bed of originally growing seedlings, the soil of making the bed of growing seedlings ploughed deeply fill out the fertile soil of not planting Solanaceae class vegetables again or burn burnt earth after raking, 300 times of liquid of 50% carbendazim or every square metre of composite soil 8~10g that sprinkles 50% powder of carbendazim and mud are sprayed in the thin leveling of rake back; The bedside 1.5m that grows seedlings, the wide 0.5m in aisle between the bed of growing seedlings, the bed surface of the bed of growing seedlings is lower than aisle 5cm;
B. originally sowing by stages of father and mother: the male parent seed is selected short single 92-3-2 of former Beijing seeds company for use, maternal seed is selected the big green pepper 9808-8 of the yellow shell of self bred inbred line of Cixi City Deqing seed seedling for use, after this seed of father and mother handled and drain through 15 minutes 50 ℃ of water seed soakings, evenly dress seed with 75% tpn pulvis, every square metre of seeding quantity is 10~15g; Maternal male parent was sowed in late November, broadcast the nutrition soil that sieves on the bonnet in sowing mid-November, and this nutrition soil is the incinerated matter of weeds and ground surface soil, watered after covering rice chaff ash in the above again;
At the bed surface tiling mulch film of bed of growing seedlings, the bed of growing seedlings in the booth overlaps the hut heat and moisture preserving again, and cover nonwoven night below 8 ℃ the time again on hut warming;
Treat that Qi Miaohou prevents the rice shoot damping off with 500 times of liquid sprinklings of 75% tpn, seedbed minimum temperature at night is controlled more than 10 ℃, and daytime, seedling bed temperature control was at 22~28 ℃;
C. the into alms bowl of transplanting seedlings: selecting diameter for use is 8cm, the degree of depth is the cylindrical plastic alms bowl of 10cm, in polypots, insert nutrition soil, the composition of nutrition soil for the top layer fertile soil of not planting Solanaceae class vegetables in recent years, burn burnt earth and the composite soil of become thoroughly decomposed pig manure and phosphate fertilizer, potash fertilizer; Father's female parent seedling moves into polypots respectively when treating that the pimento seedling grows to 2 leaves, 1 heart, and waters a root water, and polypots continues to place in the hut, and canopy temperature control is taken off hut and seen light between 15~25 ℃ daytime after living; Blade tip as overcast and rainy pimento seedling has water droplet not dried, then covers nonwoven moisture absorption bonnet hut film at night earlier, and sprays diseases preventions with 500~600 times of liquid tpns;
D. field-transplanting: mid-March booth through the empty stubble solution salt of pouring water, apply 3000 kilograms and the 50 kilograms composite fertilizers of fertilizer of becoming thoroughly decomposed for every mu by the back of deep ploughing and make base manure, do furrow after the leveling, the wide 1m of furrow, furrow width 30cm, ditch depth 25cm covers black mulch film and prevents crop smothering;
Treat late March, the pimento seedling is moved into booth land for growing field crops field planting, the male parent cultivated area is 25: 1 with planting of maternal area ratio, male parent is according to 35cm * 35cm spacing in the rows plantation, fly net is set around this canopy of father and mother, maternal according to 40cm * 40cm spacing in the rows plantation, execute 0.5% urea rich water while planting and water root; Cold air then adopts little shed seedling-protection or the directly wide sprout cultivation mulch film insulation of straight shop 2m on transplanting stock to the pimento seedling if meet in short-term;
E. prepare before the production of hybrid seeds: once cut ground weeding work during April, the canopy ground of ground drying uses the moistening ground of drip irrigation;
When really blooming, the maternal second generation of pimento in the first tenday period of a month in May extracts all flower and the fruits of the first generation, 500~600 times of tpn liquid of preceding 10 days of pollination spray and 1500 times of anti-aphids of clean liquid, pollination is sprayed one time 75% and can kill to such an extent that 500 times of liquid prevent spray medicine damage stripping flower bud young fruit during pollinating the previous day;
F. gather paternal pollen: at air dried fine morning 6~8 o'clock collection paternal pollens; Overcast and rainyly then pluck the big bud that corolla bleaches noon before that day in pollination, take out flower pesticide with tweezers, place behind the culture dish heat drying with standby after the sieve;
G. maternally castrate pollination: bleach when also not blooming medicine at the corolla of the maternal bud of the second generation, divest petal and stamen with pointing, and scratch sepal simultaneously and serve as a mark, with rubber tip paternal pollen is coated on the maternal column cap again and gets final product;
H. manage after the production of hybrid seeds: pinch after 5 generations beared fruit, with drip irrigation mu sealing fertilizer 20kg, the canopy temperature control is at 22~28 ℃;
I. gather: mid or late July is when planting the arnotto look well-done, begin to gather, and the sepal mark of doing when confirming in the G step production of hybrid seeds is identified true and false allocarpy, real allocarpy was plucked after-ripening two days, the drying in the air of laying in booth of after the strip off seed being dried in the air is kind online, booth ventilates, and is lower than at 7% o'clock through the quality percentage composition of intraseminal water after the airing and namely puts storage in storage.
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104885908A (en) * 2014-09-29 2015-09-09 安徽盛创农业科技有限公司 High-yield hybrid pimento seed production method
CN104584841A (en) * 2015-02-02 2015-05-06 丰都县百集山辣椒专业合作社 High-yield planting method for hot pepper
CN104813917B (en) * 2015-04-20 2017-04-05 常州市科宏电子电器有限公司 A kind of breeding method of Fructus Capsici
CN104871961A (en) * 2015-06-12 2015-09-02 安徽徽大农业有限公司 High-output hybrid seed production method for capsicum annuum
CN108056017B (en) * 2018-01-30 2019-03-26 中国农业科学院麻类研究所 A method of it improving arid area flax and hybridizes success rate
CN109122303A (en) * 2018-11-09 2019-01-04 江苏沿海地区农业科学研究所 A method of improving capsicum hybrid seeding efficiency and yield

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