CN106376528B - A kind of domestication by low temperature method in short-term of Scleroderma sichuanensis Xiao - Google Patents

A kind of domestication by low temperature method in short-term of Scleroderma sichuanensis Xiao Download PDF

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CN106376528B
CN106376528B CN201610786740.1A CN201610786740A CN106376528B CN 106376528 B CN106376528 B CN 106376528B CN 201610786740 A CN201610786740 A CN 201610786740A CN 106376528 B CN106376528 B CN 106376528B
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domestication
low temperature
bee
generation
pupa
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CN106376528A (en
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黄琼
胡杰
秦琼
杨春平
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Sichuan Agricultural University
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Sichuan Agricultural University
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
    • A01K67/033Rearing or breeding invertebrates; New breeds of invertebrates

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  • Animal Behavior & Ethology (AREA)
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Abstract

The present invention relates to insect domestication by low temperature method fields, specially a kind of domestication by low temperature method in short-term of Scleroderma sichuanensis Xiao.The method comprising the steps of 1), domestication kind bee selects: selecting room temperature to cultivate, the advanced age pupa (10 ~ 14d after pupating) of development health is as domestication material;2), domestication by low temperature is handled: setting 7 ~ 9h of domestication at 8 DEG C of 10 ~ ﹣ of ﹣;3) culture under room temperature, orientation domestication: is put back to after first generation advanced age pupa domestication by low temperature at bee eclosion, it takes into survive female and carries out next-generation bee at room temperature at bee and cultivate, it is developed to the pupa stage at advanced age to bee and carries out domestication by low temperature processing, continuous domestication n(n≤8 again) generation.The Scleroderma sichuanensis Xiao cold resistance that this method obtains significantly increases, and according to said method orientation, which is tamed, can get the stronger Scleroderma sichuanensis Xiao low temperature strain of cold resistance.

Description

A kind of domestication by low temperature method in short-term of Scleroderma sichuanensis Xiao
Technical field
The present invention relates to insect domestication by low temperature method fields, specially a kind of domestication by low temperature side in short-term of Scleroderma sichuanensis Xiao Method.
Background technique
Scleroderma sichuanensis Xiao Scleroderma sichuanensis Xiao is the double China firs of the thick sheath of parasitism of discovery in 1994 The ectoparasite bee of roundheaded borer and pupa.Host range is wide for the bee, attack is strong for search, parasitic rate is high, is that a kind of can effectively prevent The excellent parasitic wasp of the forests borer pest such as part longicorn, bark beetle, buprestid beetle and weevil.Wherein with the control effect to longicorn It is most significant.The discovery of the bee and extensive artificial breeding application are " research of China fir longicorn integrated control technique " and " economic forest brill moth The master of two scientific achievements of pest non-environmental pollution control technical research " (Sichuan provincial government, scientific and technological progress second prize in 1998,2005) Component part is wanted, has made a breakthrough, can have been produced in batches throughout the year in the extensive artificial breeding technology field of swollen leg bee.
Studies have shown that Scleroderma sichuanensis Xiao is not only control China fir palm fibre longicorn, Semanotus bifasciatus sinoauster, Chinese prickly ash tiger longicorn, blueness The ideal natural enemy of the middle-size and small-size longicorn such as Yang Tianniu and apple eye longicorn, and it is medium-and-large-sized to Monochamus alternatus Hope, longicorn beetle, batocera horsfieldi etc. The control effect of longicorn is also more significant.Pine nematode is a kind of destructiveness forest disease, contagiousness as caused by Bursaphelenchus xylophilus By force, lethal speed is fast, difficulty of prevention and cure is big, is known as " cancer " of pine tree.Monochamus alternatus Hope is the key that Bursaphelenchus xylophilus communication media, It reduces and control Monochamus alternatus Hope population quantity, effective cutting Bursaphelenchus xylophilus route of transmission is the important prevention and control of current pine nematode Strategy.The trend spread from south to north, a part of Bursaphelenchus xylophilus and Monochamus alternatus Hope distributed area have been presented in China for pine nematode Winter temperature mostly subzero, therefore control Monochamus alternatus Hope population swollen leg bee can it is overwintering in these cold districts be to influence it Continue the key of control effect.Field put bee experiments have shown that, the Scleroderma sichuanensis Xiao without domestication was difficult in cold district (winter Temperature is mostly subzero) it is overwintering, this has not only seriously affected the bee to the lasting control effect of cold district Monochamus alternatus Hope population, And greatly limit application of the bee in other cold district forest borer pest biological controls.Try to explore effectively Domestication by low temperature method, step up the cold resistance of Scleroderma sichuanensis Xiao, obtain low temperature and resist cold strain, be to solve the bee in cold Regional smooth overwintering key.
Summary of the invention
The object of the present invention is to provide a kind of efficient and convenient Scleroderma sichuanensis Xiao, domestication by low temperature method, this method are obtained in short-term To Scleroderma sichuanensis Xiao cold resistance significantly increase, can get low temperature resist cold strain.
The specific technical proposal of the invention is:
A kind of domestication by low temperature method in short-term of Scleroderma sichuanensis Xiao, comprising the following steps:
(1) domestication kind bee selects room temperature to cultivate, the advanced age pupa of development health is as domestication material;
(2) domestication by low temperature processing 8 DEG C of 10~﹣ of ﹣ at a temperature of cultivate 7~9h make acclimation;
(3) orientation domestication first generation advanced age pupa domestication by low temperature processing postposition is cultivated under room temperature at bee eclosion, is taken into Survive it is female carry out next-generation bee at room temperature at bee and cultivate, be developed to the pupa stage at advanced age to bee and carry out domestication by low temperature again Processing, continuous domestication n (n≤8) generation.
The pupa that the advanced age pupa is 10~14d after pupating.
The positive effect of the present invention is embodied in:
(1) it can be used for the cold-resistant strain of acclimatization culture Scleroderma sichuanensis Xiao, meet cold district Monochamus alternatus Hope and other forestry The needs of borer pest biological control;
(2) at a temperature of by the supercooling point of tame and docile bee, body fluid apparent freezing point and the semilethal low temperature death rate (TL50) and cold identification The death rate significantly reduces;
(3) unaffected by the development duration of tame and docile bee and parasitized breeding ability.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail, but does not limit the scope of the invention.It should be understood that , for those of ordinary skills, can improvement or transformation based on the above description, and all these improvement and change Changing should all belong to the protection domain of appended claims of the present invention.
The breeding method of Scleroderma sichuanensis Xiao can be with reference to the prior art or application reference number 200510020659.4 into Row Propogation and culture.
Embodiment 1:
A kind of domestication by low temperature method in short-term of Scleroderma sichuanensis Xiao, comprising the following steps:
(1) domestication kind bee selects room temperature to cultivate, the advanced age pupa of development health is as domestication material;
(2) domestication by low temperature processing tames 8h in the case where 8 DEG C of ﹣;
(3) it after orientation domestication first generation advanced age pupa domestication by low temperature, is transferred to and continues culture under room temperature at bee eclosion, It takes into survive female and carries out next-generation bee at room temperature at bee and cultivate, be developed to the pupa stage at advanced age to bee and carry out low temperature again Acclimation, 9 generation of continuous domestication.The pupa that the advanced age pupa is 14d after pupating.
Tame effect detection
It is dead by the development duration of tame and docile bee, supercooling point, apparent freezing point, semilethal low temperature (TL50) to the 4th~9 generation respectively The death rate and parasitized breeding ability and polypide at a temperature of rate, cold identification mainly resist cold content of material (including polypide moisture, thick rouge The content of the small molecule alcohols such as fat and glycerol, sorbierite, mannitol and glycogen) it is detected.The result shows that domestication by low temperature is to river The development duration and parasitized breeding ability of the swollen leg bee of sclerderm do not make significant difference (table 1 and table 5);It is hard that domestication by low temperature can significantly reduce river Skin swell at a temperature of the supercooling point of leg bee, apparent freezing point, semilethal low temperature (TL50) death rate and cold identification the death rate (table 2~ Table 4), greatly improve the cold-resistant substance of polypide: in conjunction with the small molecule alcohols such as water, crude fat, glycerol, sorbierite and mannitol and glycogen Content (6~table of table 8).That is: the described domestication by low temperature method be it is feasible, the cold resistance of Scleroderma sichuanensis Xiao can be significantly improved, It can get the cold-resistant strain of its low temperature by generation orientation domestication.
Influence of 1 domestication by low temperature of table to Scleroderma sichuanensis Xiao development duration
Note: data are 3 duplicate mean+SDs in table 1.Alphabetical difference person's difference is aobvious after data of going together in table It writes (LSD, P < 0.05).
Influence of 2 domestication by low temperature of table to Scleroderma sichuanensis Xiao adult supercooling point and apparent freezing point
Handle algebra Supercooling point Apparent freezing point
Control group -13.22±1.22b -9.44±1.88b
4 generation of domestication by low temperature in short-term -13.96±0.4ab -10.27±0.37ab
5 generation of domestication by low temperature in short-term -14.05±0.33ab -10.32±0.35ab
6 generation of domestication by low temperature in short-term -14.26±0.40ab -10.53±0.56ab
7 generation of domestication by low temperature in short-term -14.37±0.35ab -10.78±0.81ab
8 generation of domestication by low temperature in short-term -14.46±0.36a -10.97±0.55a
9 generation of domestication by low temperature in short-term -14.65±0.21a -11.13±0.32a
The influence of the death rate of 3 domestication by low temperature of table to Scleroderma sichuanensis Xiao adult at TL50
The influence of the death rate of 4 domestication by low temperature of table to Scleroderma sichuanensis Xiao adult at a temperature of cold identification
Handle algebra The death rate at a temperature of cold identification
Control group 79.67±1.53c
4 generation of domestication by low temperature in short-term 62.00±4.58b
5 generation of domestication by low temperature in short-term 60.80±2.64b
6 generation of domestication by low temperature in short-term 58.29±3.12ab
7 generation of domestication by low temperature in short-term 57.79±2.65ab
8 generation of domestication by low temperature in short-term 55.67±6.66a
9 generation of domestication by low temperature in short-term 54.78±3.42a
Influence of 5 domestication by low temperature of table to Scleroderma sichuanensis Xiao adult fertility
Tame algebra Parasitic rate (%) Egg laying amount (grain/female)
Control group 83.33±1.15a 19.47±0.89a
4 generation of domestication by low temperature in short-term 82.67±1.15a 19.40±0.92a
5 generation of domestication by low temperature in short-term 84.12±1.89a 19.23±1.21a
6 generation of domestication by low temperature in short-term 83.65±2.34a 18.98±0.76a
7 generation of domestication by low temperature in short-term 82.78±1.56a 19.57±1.02a
8 generation of domestication by low temperature in short-term 83.33±3.06a 19.60±1.36a
9 generation of domestication by low temperature in short-term 83.94±3.67a 19.52±1.13a
Influence of 6 domestication by low temperature of table to Scleroderma sichuanensis Xiao adult polypide water content
Influence of 7 domestication by low temperature of table to Scleroderma sichuanensis Xiao adult polypide carbohydrate and crude fat content
Tame algebra Glycogen (ug/mg) Total reducing sugar (ug/mg) Crude fat (%)
Control group 4.78±1.15a 14.54±1.70a 11.82±0.46a
4 generation of domestication by low temperature in short-term 6.64±0.38b 15.03±0.58b 11.99±0.35a
5 generation of domestication by low temperature in short-term 6.72±0.41b 15.09±0.62b 12.13±0.32a
6 generation of domestication by low temperature in short-term 6.75±0.36b 15.21±1.53b 12.39±0.41a
7 generation of domestication by low temperature in short-term 6.78±0.23b 15.46±1.27b 12.57±0.33ab
8 generation of domestication by low temperature in short-term 6.83±0.41b 15.60±0.69b 12.79±1.41b
9 generation of domestication by low temperature in short-term 6.91±0.32b 15.82±1.01b 12.81±0.35b
Influence of 8 domestication by low temperature of table to Scleroderma sichuanensis Xiao adult polypide small molecule alcohol content
Tame algebra Glycerol (ug/mg) Sorbierite (ug/mg) Mannitol (%)
Control group 3.72±0.55a 5.09±0.58a 0.49±0.08a
4 generation of domestication by low temperature in short-term 8.88±0.57b 6.67±0.43b 0.86±0.03b
5 generation of domestication by low temperature in short-term 8.91±0.45b 7.52±0.53b 0.89±0.04b
6 generation of domestication by low temperature in short-term 8.94±0.68b 8.23±0.54bc 0.94±0.03bc
7 generation of domestication by low temperature in short-term 8.97±0.65b 8.95±0.65bc 0.97±0.05bc
8 generation of domestication by low temperature in short-term 9.08±0.63b 9.96±0.78c 1.10±0.07c
9 generation of domestication by low temperature in short-term 9.14±0.58b 10.04±0.57c 1.12±0.06c
Note: data are 3 duplicate mean+SDs in 2~table of table 8.It is poor with difference person alphabetical after column data in table Different significant (LSD, P < 0.05).
Cold acclimation conditions screen Scleroderma sichuanensis Xiao in short-term, include the following steps
(1) (26 DEG C ± 1 DEG C) of room temperature cultivation of kind bee selection selection, the Scleroderma sichuanensis Xiao ovum (3d) of development health, low age Larva (3d after hatching), high instar larvae (6d after hatching), low age pupa (7d after pupating), advanced age pupa (14d after pupating), adult (plumage 7d after change) it is used as material to be tested, material to be tested is provided by Sichuan Agricultural University's Scleroderma sichuanensis Xiao Breeding Center.
(2) low temperature exposure treatment sets 4 DEG C of ﹣, ﹣ 8 for examination Scleroderma sichuanensis Xiao ovum, larva, pupa and adult for above-mentioned respectively DEG C, 12 DEG C of ﹣, taken out after exposure 2h, 4h, 6h, 8h at 16 DEG C of ﹣.Every processing is repeated 3 times, duplicate as follows for test worm number every time.At Worm: 100/time;Ovum: 200 tablets/time;Larva and pupa: 200/time.With incubated at room temperature, the river without any low-temperature treatment is hard Skin swells leg bee ovum, larva, pupa and adult as control.
(3) the culture observation after low temperature exposure will set normal culture at room temperature for examination bee after low temperature exposure treatment.To low Ovum, larva and the pupa of temperature exposure observe its hatching, cocoon (or pupating) and emergence situation respectively, are determined with this for trying ovum, larva With the death and survival number of pupa;To the adult of low temperature exposure, culture observes and records its dead and survival number afterwards for 24 hours.
(4) the low temperature exposure death rate compares for examination Scleroderma sichuanensis Xiao ovum, larva, pupa and the low temperature of the adult exposure death rate It is shown in Table 9.
(5) Cold acclimation conditions screening in short-term need to generally control the death rate of material to be tested to guarantee to tame successfully 50% or so, material to be tested can be allowed to be tamed in this way, have certain survival volume after also can guarantee domestication, to be next Wheel domestication provides material.Scleroderma sichuanensis Xiao is ectoparasite bee, and ovum and larva be attached to host's body surface, be disturbed it is easy to fall off, Ovum and larva once fall off will the shrivelled death because cannot get nutrition supply, should not as domestication material;When being developed to pupa time (special advanced age pupa stage), mature bee pupa can fall off from the upper nature of host, and selection is tamed smaller to the bee development impact at this time; To the adult stage, bee ontogeny full maturity is not so good as pupa time to the sensibility of domestication by low temperature.Choosing comprehensively pros and cons, selection The corresponding low-temperature treatment in short-term of 50% or so the death rate of advanced age pupa is as optimal acclimation conditions, it may be assumed that advanced age pupa (14d after pupating) ﹣ 8 8h is tamed at DEG C.
The exposure death rate of low temperature in short-term of 9 Scleroderma sichuanensis Xiao different developmental phases of table
Note: data are 3 duplicate mean+SDs, alphabetical difference person's significant difference after data of going together in table 9 (LSD, P < 0.05).
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description, And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (1)

1. a kind of domestication by low temperature method in short-term of Scleroderma sichuanensis Xiao, it is characterised in that the following steps are included:
(1) domestication kind bee selects room temperature to cultivate, the advanced age pupa of development health is as domestication material, and the advanced age pupa is The pupa of 10 ~ 14d after pupating;
(2) domestication by low temperature processing set at 8 DEG C of 10 ~ ﹣ of ﹣ cultivate 7 ~ 9h make acclimation;
(3) orientation domestication will put back to culture under room temperature and take and survive down at bee eclosion after first generation advanced age pupa domestication by low temperature Come it is female carries out next-generation bee cultivation at room temperature at bee, be developed to the pupa stage at advanced age to bee and carry out at domestication by low temperature again It manages, continuous domestication n generation, wherein n≤8.
CN201610786740.1A 2016-08-31 2016-08-31 A kind of domestication by low temperature method in short-term of Scleroderma sichuanensis Xiao Expired - Fee Related CN106376528B (en)

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CN1669415A (en) * 2005-04-05 2005-09-21 周祖基 Scleroderma sichuanensis Xiao artificial reproduction method
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CN1669415A (en) * 2005-04-05 2005-09-21 周祖基 Scleroderma sichuanensis Xiao artificial reproduction method
KR20100082546A (en) * 2009-01-09 2010-07-19 대한민국(농촌진흥청장) Rearing method of parnassius stubbendorfii menetries in a room condition
CN103299956A (en) * 2012-03-15 2013-09-18 浙江森得保生物制品有限公司 Technology for artificial domestication and breeding of sclerodermus and applied to prevention and treatment of pine sawyer beetles
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