CN101773066B - Breeding method of disposable high-yield peanut variety seeds - Google Patents
Breeding method of disposable high-yield peanut variety seeds Download PDFInfo
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Abstract
The invention discloses a breeding method of disposable high-yield peanut variety seeds, which comprises the following steps: obtaining seeds A through the hybrid of two peanut varieties with the dormancy stage longer than 80 days; then, using the seeds A as a female parent and using the peanut variety with no sibship with the parent for obtaining the seeds A and with the dormancy stage longer than 80 days as a male parent for carrying out the hybrid to obtain first filial generation seeds; carrying out autocopuation on the first filial generation seeds to obtain second filial generation seeds; planting the seeds according to strains from the second filial generation, selecting dormancy seeds according to a dormancy seed selection method in each generation, and selecting seeds with the dormancy stage as long as 200 days in the fifth filial generation to obtain seeds B; using the seeds B as a female parent and using the high-yield peanut variety as a male parent for carrying out the hybrid to obtain first filial generation seeds; carrying out autocopuation on the first filial generation seeds for three generations, and directionally selecting the dormancy seeds according to the dormancy seed selection method in each generation; selecting seeds with the dormancy stage longer than 200 days in the fifth filial generation, and obtaining the disposable high-yield peanut variety seeds through planting according to strains into varieties.
Description
Technical field
The present invention relates to the selection technical field of peanut varieties, particularly a kind of selection of disposable high-yield peanut variety seeds.
Background technology
Grain Dormancy is a Main Agronomic Characters of peanut varieties.The dormancy property of dissimilar peanuts differs greatly, and the difference of Grain Dormancy is taken as the foundation of distinguishing subspecies usually.Peanut mainly is divided into two subspecies, is alternately bloom type (hypogaea) and bloom type (fastigiata) continuously: alternately bloom type kind resting stage longer, continuous bloom type kind dormancy property a little less than.Bloom type comprises pearl beans type kind and many type kinds continuously; Characteristics are that breeding time is short; And there is not Grain Dormancy; Be suitable for the directly sowing of results backs, therefore run into out of season rainwater or gathered in the crops and produce loss owing to germinate before causing the seed results evening usually, lose in the time of seriously and almost reach 20～40% in harvest time.People reach 70～80% o'clock results at plumpness usually for fear of the appearance of this problem, also cause the underproduction virtually.Alternately bloom type comprises plain edition kind and Long Sheng type kind; These two kinds are late variety; The resting stage that generally has 30 to 100 days; Wherein the resting stage of plain edition kind is generally 30～60 days, but the germ plasm resource unmodified of these kinds is overgrow, lodging, economical character difference and yield poorly.
Therefore the heredity of peanut seed domant property through gene pyramiding, just can make the prolongation of dormancy property with the kind that is aggregated to of a plurality of dormancy property genes by controlled by multiple genes.If resting stage is long, reach 5 to more than 10 months, even sowing in 5～6 months can not be germinateed at interval, this just becomes disposable seed.Report about the selection of disposable high-yield peanut variety seeds is not arranged at present effectively as yet.
Summary of the invention
The shortcoming that the objective of the invention is to overcome prior art provides a kind of selection of disposable high-yield peanut variety seeds with not enough.
The object of the invention is realized through following technical proposals: a kind of selection of disposable high-yield peanut variety seeds may further comprise the steps:
(1) selects different and peanut varieties of resting stage above 80 days;
(2) 2 resting stages are hybridized as the parent above 80 days peanut varieties, obtain the A seed;
(3) the A seed that obtains with step (2) is a female parent, with do not have an affiliation with the used parent of step (2) and to surpass a peanut varieties of 80 days be male parent resting stage, hybridize, obtain F1 generation; F1 obtains F2 for seed for selfing; F2 presses single-strain planting for seed, selects to have the seed of dormancy property by the system of selection of dormancy property seed, by the plantation of strain system, obtains F3 for seed; F3 selects to have the seed of dormancy property for seed by the system of selection of dormancy property seed, by the plantation of strain system, obtains F4 for seed; F4 selects to have the seed of dormancy property for seed by the system of selection of dormancy property seed, and by the plantation of strain system, the individual plant of selecting individual plant fruit number to surpass more than 15 is a fine individual plant, obtains F5 for seed; F5 by the plantation of strain system, selects resting stage to reach the seed more than 200 days for seed, obtains the B seed;
(4) the B seed that obtains with step (3) is a female parent, is male parent with the high-yield peanut variety, hybridizes, and obtains F1 for seed; F1 is for 3 generations of selfing, and per generation is according to the directed dormancy property seed of selecting of dormancy property seed system of selection; To F4 for selecting individual plant pod number to reach the fine individual plant more than 15, obtain F5 for seed; F5 becomes strain for selecting the seed of resting stage more than 200 days by the system of selection of dormancy property seed by the plantation of strain system, obtains disposable high-yield peanut variety seeds; Described high-yield peanut variety be over nearly 5 years through authorization above the provincial level (evaluation) and producing the kind of applying, promptly in district's examination, more than 6%, per mu yield reaches the kind more than 300 kilograms according to kind of raising the output in comparison.
The system of selection of described dormancy property seed comprises the steps: the ripe peanut of results breeding time according to peanut, peels off pericarp, does not hinder its kind skin; Choose the intact seed of kind of skin; The captan sterilization, then clean with distilled water flushing, be arranged in the culture dish that is covered with filter paper; It is just drenched to add distilled water to filter paper, puts into 25～32 ℃ of illumination boxs and secretly cultivates; Observe germination in the 7th day after cultivation, and eliminated seeds germinated, do not have seeds germinated to be dormant seed.
Described in the step (1) select preferably through resting stage authentication method carry out, resting stage authentication method (being called for short the D method) comprises following steps: according to each peanut varieties breeding time, gather in the crops when ripe on time; Peel off pericarp, do not hinder its kind skin, choose the intact seed of kind of skin; The captan sterilization, clean with distilled water flushing, be arranged in the culture dish that is covered with filter paper; It is just drenched to add distilled water to filter paper, puts into 25～32 ℃ of illumination boxs and secretly cultivates; After cultivation the 10th day statistics germination rate, with the mean of the germination rate germination rate as kind, the investigation in 10 days of later every interval is once counted during from results, to germination rate reach 80% for the time fate that ends be resting stage;
The step of described captan sterilization is preferably with the seed dressing of 50% captan sterilization wetting powder, and dosage is 0.2% of a seed weight;
Resting stage described in the step (1) surpasses 80 days peanut varieties and is preferably M3, TMV10, " No. two peanuts ";
No. 45, No. 7, the preferred Guangdong of the high-yield peanut variety described in the step (4) oil, No. 13, Guangdong oil or Guangdong oil;
The resting stage of the disposable high-yield peanut variety seeds described in the step (4) surpasses 200 days, and its resting stage can be handled through ethrel and removed, the normal germination.。
The present invention adopts conventional breeding gene pyramiding technology; In a kind, prolonged resting stage a plurality of non-equipotential dormancy property gene pyramidings, reach 5 to 10 months; Mean that sowing in 5～10 months can not normally be germinateed at interval, so the peanut seed that seed selection obtains is disposable seed.Seed can normally germinate, grow after such seed must pass through preliminary treatment, did not influence output, and oneself reserves seed for planting the grower, unprocessedly can not normally germinate, grow.
The present invention has following advantage and effect with respect to prior art:
(1) the present invention adopts conventional breeding technique to carry out seed selection, and method is simple, and the peanut seed domant phase that obtains reached more than 200 days, and has overcome in the existing germ plasm resource the strong germ plasm resource of dormancy property and overgrow, and shortcoming such as lodge, yield poorly.The resting stage of the peanut seed that obtains through the present invention removes easily, handles through ethrel, and its germination rate is up to 98%.
(2) through the peanut seed of seed selection of the present invention, unprocessed seed does not have germinating capacity.Therefore be beneficial to seed management and industrialization production, improve the frequency of seed change, help the popularization of new varieties, promote the development of peanut seed industrialization.
(3) reach one month owing to the peanut florescence; Therefore the peanut pod of same strain is ripe in different; Usually cause some seeds also not have maturation, another part seed is ripe, and the buds are coming out on plant, and therefore general peanut will be gathered in the crops before plumpness reaches 80%; To avoid seed on plant, to germinate, make production loss more than 20%.Peanut seed through seed selection of the present invention; Resting stage reaches more than 200 day, receives seed late and also can on plant, not germinate, and therefore can guarantee seed fully ripe just results on plant; Just gather in the crops when so not only guaranteeing plumpness 100%; Reduced not plump fruit rate, thereby improved output, raising the output can reach more than 20～40%.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail, but embodiment of the present invention is not limited thereto.
Embodiment 1
(1) selects the peanut varieties that resting stage surpasses 80 days.Through resting stage authentication method identify resting stage of peanut varieties: according to peanut varieties breeding time, gather in the crops when ripe on time, peel off pericarp; Do not hinder its kind skin, choose the intact seed of kind of skin, with the seed dressing of 50% captan sterilization wetting powder; Dosage is 0.2% of a seed weight, and is then clean with distilled water flushing, is arranged in the culture dish that is covered with filter paper; It is just drenched to add an amount of distilled water to filter paper, puts into 25～32 ℃ of illumination boxs and secretly cultivates; After cultivation the 10th day statistics germination rate, with the mean of the germination rate germination rate as kind, the investigation in 10 days of later every interval is once counted during from results, to germination rate reach 80% for the time fate that ends be resting stage.Selecting the M3 (buying from International Crops Research Institute for the Semi-Arid Tropics) that obtains, TMV10 (buying from International Crops Research Institute for the Semi-Arid Tropics) and three kinds of " No. two peanuts " (farm variety can be buied from the Crop Institute, Guangdong Academy of Agricultural Sciences) resting stages was respectively 80 days, 100 days and 150 days.
(2) be maternal with M3, TMV10 is a male parent, with " M3 * TMV10 " expression hybrid combination, obtains the A1 seed, identifies that according to the resting stage authentication method described in the step (1) obtaining this Seed Dormancy phase is 120 days.
(3) the A1 seed that obtains with step (2) is a female parent, is male parent with " No. two peanuts ", hybridizes, and obtains F1 for seed; F1 obtains F2 for seed for selfing; In F2 generation, press single-strain planting, selects to have the seed of dormancy property by dormancy property seed system of selection (abbreviating the S method as), is to plant by strain, obtains F3 for seed; F3 by the plantation of strain system, obtains F4 for seed for the seed of selecting to have dormancy property by the S method; F4 is for the seed of selecting to have dormancy property by the S method, and by the plantation of strain system, selection fine individual plant (individual plant pod number surpasses the individual plant more than 15) obtains F5 for seed; F5 selects resting stage to reach the seed more than 200 days for by the plantation of strain system according to the resting stage authentication method described in the step (1), and obtaining numbering three strains that are respectively B1-1, B1-10 and B1-340 is that resting stage was respectively 210 days, 240 days and 300 days;
The detailed step of dormancy property seed system of selection (abbreviating the S method as) is following: according to the ripe peanut of results breeding time of peanut, peel off pericarp, do not hinder its kind skin; Choose the intact seed of kind of skin, with the seed dressing of 50% captan sterilization wetting powder, dosage is 0.2% of a seed weight; Then clean with distilled water flushing; Be arranged in the culture dish that is covered with filter paper, add an amount of distilled water to filter paper and just drench, put into 25～32 ℃ of illumination boxs and secretly cultivate; Observe germination in the 7th day after cultivation, and eliminated seeds germinated, do not have seeds germinated to be dormant seed.
(4) the above-mentioned strain B1-1 that breeds, B1-10 and B1-340 are for maternal; No. 7 hybridization of peanut varieties Guangdong oil respectively; Peanut varieties Guangdong oil (is produced the kind that goes up large-area applications No. 7 at present; Can buy from the Crop Institute, Guangdong Academy of Agricultural Sciences) be the super-high yield peanut new varieties that academy of agricultural sciences, Guangdong Province crop is bred recently, obtain F1 for seed; F1 is for 3 generations of selfing, and per generation is legal to selecting dormancy property seed according to S; To F4 for selecting individual plant pod number to reach the fine individual plant more than 15, obtain F5 for seed; F5 is to plant to become strain for by selecting the seed of resting stage more than 200 days by the system of selection of dormancy property seed by strain, obtains disposable high-yield peanut variety seeds.
Wherein: the C1 combination: with B1-1 is maternal, and the strain that obtains is C1-12 and C1-113, carries out production test;
The C2 combination: with B1-10 is maternal, and the strain that obtains is C2-112, C2-123 and C2-213, carries out production test;
The C3 combination: with B1-340 is maternal, and the strain that obtains is C3-22 and C3-77, carries out production test;
(5) production test and the evaluation of dormancy property.
The excellent strain C1-12, C1-113, C2-112, C2-123, C2-213, C3-22, the C3-77 that form with step (4) seed selection are that test material carries out production test; Contrast is planted and is conventional variety Shan oil 523 (institute of agricultural sciences buys from the Shantou City, Guangdong Province), and Shan oil 523 does not have dormancy property.Each strain is established three repetitions, and every sub-district area is 0.02 mu, by randomised block design.On March 1st, 2009 sowing, field management be according to normal plantation way to manage, June 30 results, weighing by the sub-district is cell production and carries out the evaluation of dormancy property by above-mentioned D method.The result is following:
Table 1 new lines production test and resting stage qualification result
(6) seeding technique
New lines resting stage of being bred by step (5) all reaches 200 days～and 300 days, the results back is live can not germinate, and therefore needs to handle the back and recovers germinating capacity.Can normally germinate with 0.05% ethrel seed dressing back sowing.
Ethrel Processing Test: with 0.05% ethrel seed dressing, induce seed sprouting putting into dark cultivation of 25～32 ℃ of illumination boxs then, detect germination rate after 2 weeks.8 strains reach 98% with 0.05% ethrel seed dressing back average germination percentage as a result, than the also high one percentage point of germination rate 97% of conventional variety Shan oil 523.Undressed percentage of seedgermination is 0.These results show that the seed dressing of 0.05% ethrel can be removed the dormancy property of all experimental cultivars, reaches the required germinating capacity requirement of seed.
Table 2 ethrel Processing Test result
| Strain | Ethrel is handled the back germination rate | Germination rate is untreated | Resting stage |
| C2-213 | 100 | 0 | 210 |
| C2-123 | 98 | 0 | 230 |
| C2-112 | 96 | 0 | 230 |
| C3-77 | 99 | 0 | 240 |
| C1-12 | 98 | 0 | 200 |
| C1-113 | 100 | 0 | 150 |
| C3-22 | 97 | 0 | 270 |
| On average | 98 | 0 | 218 |
| Shan oil 523 | 97 | 0 |
Embodiment 2
(1), selects the M3 that obtains, TMV10 and " No. two peanuts " three kinds resting stages to be respectively 80 days, 100 days and 150 days with embodiment 1 step (1).
(2) be female parent with " No. two peanuts ", TMV10 is a male parent, with " " No. two peanuts " * TMV10 " expression hybrid combination, obtains the A2 seed, identifies that according to the resting stage authentication method described in the step (1) obtaining this Seed Dormancy phase is 200 days.
(3) the A2 seed that obtains with step (2) is a female parent, is male parent with M3, hybridizes, and obtains F1 for seed; F1 obtains F2 for seed for selfing; In F2 generation, press single-strain planting, selects to have the seed of dormancy property by dormancy property seed system of selection (abbreviating the S method as), is to plant by strain, obtains F3 for seed; F3 by the plantation of strain system, obtains F4 for seed for the seed of selecting to have dormancy property by the S method; F4 is for the seed of selecting to have dormancy property by the S method, and by the plantation of strain system, selection fine individual plant (individual plant fruit number reaches the individual plant more than 15) obtains F5 for seed; In F5 generation, select resting stage to reach the seed more than 200 days by the plantation of strain system according to the resting stage authentication method described in the step (1), obtains being numbered the strain system of B2-56, and resting stage is 260 days;
(4) the above-mentioned strain B2-56 that breeds is for maternal; With No. 13 hybridization of peanut varieties Guangdong oil; Peanut varieties Guangdong oil (is produced the kind that goes up large-area applications No. 13 at present; Can buy from the Crop Institute, Guangdong Academy of Agricultural Sciences) be the super-high yield peanut new varieties that academy of agricultural sciences, Guangdong Province crop is bred recently, obtain F1 generation; F1 is for 3 generations of selfing, and per generation is legal to selecting dormancy property seed according to S; To F4 for selecting individual plant pod number to reach the fine individual plant more than 15, obtain F5 for seed; F5 is to plant to become strain for by selecting the seed of resting stage more than 200 days by the system of selection of dormancy property seed by strain, is C4-23, carries out production test.
(5) production test and the evaluation of dormancy property.
The excellent strain C4-23 that forms with step (4) seed selection is that test material carries out production test, and contrast is planted and is conventional variety Shan oil 523 (institute of agricultural sciences buys from the Shantou City, Guangdong Province), and Shan oil 523 does not have dormancy property.Each strain is established three repetitions, and every sub-district area is 0.02 mu, by randomised block design.On March 1st, 2009 sowing, field management be according to normal plantation way to manage, June 30 results, weighing by the sub-district is cell production and carries out the evaluation of dormancy property by above-mentioned D method.The result is following:
Table 3 new lines production test and resting stage qualification result
| Strain | Repeat (g) | On average | Rate of growth | Resting stage |
| I | II | III | ％ | |||
| ?C4-23 | 5873 | 6520 | 5100 | 5831 | 10.22 | 300 |
| Shan oil 523 | 5033 | 5325 | 5513 | 5290 | 0.00 | 0 |
(6) seeding technique
New lines resting stage of being bred by step (5) all reaches 200 days～and 300 days; Ethrel Processing Test (with the ethrel Processing Test of embodiment 1 step (6)); The C4-23 strain reaches 97% with 0.05% ethrel seed dressing back average germination percentage as a result, and is fair with the germination rate 97% of conventional variety Shan oil 523.Undressed percentage of seedgermination is 0.These results show that the seed dressing of 0.05% ethrel can be removed the dormancy property of all experimental cultivars, reaches the required germinating capacity requirement of seed.
Table 4 ethrel Processing Test result
| Strain | Ethrel is handled the back germination rate | Germination rate is untreated | Resting stage |
| C4-23 | 97 | 0 | 300 |
| Shan oil 523 | 97 | 0 |
Embodiment 3
(1), selects the M3 that obtains, TMV10 and " No. two peanuts " three kinds resting stages to be respectively 80 days, 100 days and 150 days with embodiment 1 step (1).
(2) be maternal with M3, " No. two peanuts " is male parent, with " M3 * No. two peanut " expression hybrid combination, obtains the A3 seed, identifies that according to the resting stage authentication method described in the step (1) obtaining this Seed Dormancy phase is 180 days.
(3) the A3 seed that obtains with step (2) is a female parent, is male parent with TMV10, hybridizes, and obtains F1 generation; F1 obtains F2 generation for selfing; In F2 generation, press single-strain planting, selects to have the seed of dormancy property by dormancy property seed system of selection (abbreviating the S method as), is to plant by strain, obtains F3 for seed; F3 by the plantation of strain system, obtains F4 for seed for the seed of selecting to have dormancy property by the S method; F4 is for the seed of selecting to have dormancy property by the S method, and by the plantation of strain system, selection fine individual plant (individual plant fruit number reaches the individual plant more than 15) obtains F5 for seed; F5 selects resting stage to reach the seed more than 200 days for by the plantation of strain system according to the resting stage authentication method described in the step (1), and obtaining numbering the strain that is respectively B3-42 and B3-109 is that resting stage is 260 days;
(4) above-mentioned strain B3-42 that breeds and B3-109 are for maternal; Respectively with No. 45 hybridization of peanut varieties Guangdong oil; Peanut varieties Guangdong oil (is produced the kind that goes up large-area applications No. 45 at present; Can buy from the Crop Institute, Guangdong Academy of Agricultural Sciences) be the super-high yield peanut new varieties that academy of agricultural sciences, Guangdong Province crop is bred recently, obtain F1 for seed; F1 is for 3 generations of selfing, and per generation is legal to selecting dormancy property seed according to S; To F4 for selecting individual plant pod number to reach the fine individual plant more than 15, obtain F5 for seed; F5 becomes strain for selecting the seed of resting stage more than 200 days by the system of selection of dormancy property seed by the plantation of strain system, wherein:
The C5 combination: with B3-42 is maternal, and the strain that obtains is C5-33, carries out production test;
The C6 combination: with B3-109 is maternal, and the strain that obtains is C6-111, carries out production test.
(5) production test and the evaluation of dormancy property.
The excellent strain C5-33 and the C6-111 that form with step (4) seed selection are that test material carries out production test, and contrast is planted and is conventional variety Shan oil 523, and Shan oil 523 does not have dormancy property.Each strain is established three repetitions, and every sub-district area is 0.02 mu, by randomised block design.On March 1st, 2009 sowing, field management be according to normal plantation way to manage, June 30 results, weighing by the sub-district is cell production and carries out the evaluation of dormancy property by above-mentioned D method.The result is following:
Table 5 new lines production test and resting stage qualification result
(6) seeding technique
New lines resting stage of being bred by step (5) all reaches 200 days～and 300 days; Ethrel Processing Test (with the ethrel Processing Test of embodiment 1 step (6)); 2 strains reach more than 98% with 0.05% ethrel seed dressing back average germination percentage as a result, more than the also high one percentage point of germination rate 97% than conventional variety Shan oil 523.C5-33, the undressed percentage of seedgermination of C6-111 are 0.These results show that the seed dressing of 0.05% ethrel can be removed the dormancy property of all experimental cultivars, reaches the required germinating capacity requirement of seed.
Table 6 ethrel Processing Test result
| Strain | Ethrel is handled the back germination rate | Germination rate is untreated | Resting stage |
| C5-33 | 100 | 0 | 290 |
| C6-111 | 98 | 0 | 250 |
| Shan oil 523 | 97 | 0 |
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (5)
1. the selection of a disposable high-yield peanut variety seeds is characterized in that may further comprise the steps:
(1) selects different and peanut varieties of resting stage above 80 days;
(2) 2 resting stages are hybridized as the parent above 80 days peanut varieties, obtain the A seed;
(3) the A seed that obtains with step (2) is a female parent, with do not have an affiliation with the used parent of step (2) and to surpass a peanut varieties of 80 days be male parent resting stage, hybridize, obtain F1 generation; F1 obtains F2 for seed for selfing; F2 presses single-strain planting for seed, selects to have the seed of dormancy property by the system of selection of dormancy property seed, by the plantation of strain system, obtains F3 for seed; F3 selects to have the seed of dormancy property for seed by the system of selection of dormancy property seed, by the plantation of strain system, obtains F4 for seed; F4 selects to have the seed of dormancy property for seed by the system of selection of dormancy property seed, and by the plantation of strain system, selecting the several individual plants more than 15 of individual plant fruit is fine individual plant, obtains F5 for seed; F5 by the plantation of strain system, selects resting stage to reach the seed more than 200 days for seed, obtains the B seed;
(4) the B seed that obtains with step (3) is a female parent, is male parent with the high-yield peanut variety, hybridizes, and obtains F1 for seed; F1 is for 3 generations of selfing, and per generation is according to the directed dormancy property seed of selecting of dormancy property seed system of selection; To F4 for selecting individual plant pod number to reach the fine individual plant more than 15, obtain F5 for seed; F5 becomes strain for selecting the seed of resting stage more than 200 days by the system of selection of dormancy property seed by the plantation of strain system, obtains disposable high-yield peanut variety seeds;
The system of selection of described dormancy property seed comprises the steps: the ripe peanut of results breeding time according to peanut, peels off pericarp, does not hinder its kind skin; Choose the intact seed of kind of skin; The captan sterilization, then clean with distilled water flushing, be arranged in the culture dish that is covered with filter paper; It is just drenched to add distilled water to filter paper, puts into 25～32 ℃ of illumination boxs and secretly cultivates; Observe germination in the 7th day after cultivation, and eliminated seeds germinated, do not have seeds germinated to be dormant seed.
2. according to the selection of the said disposable high-yield peanut variety seeds of claim 1, it is characterized in that: described in the step (1) select through resting stage authentication method carry out, resting stage authentication method comprise following steps: according to each peanut varieties breeding time; Gather in the crops when ripe on time, peel off pericarp, do not hinder its kind skin; Choose the intact seed of kind of skin; The captan sterilization, clean with distilled water flushing, be arranged in the culture dish that is covered with filter paper; It is just drenched to add distilled water to filter paper, puts into 25～32 ℃ of illumination boxs and secretly cultivates; After cultivation the 10th day statistics germination rate, with the mean of the germination rate germination rate as kind, the investigation in 10 days of later every interval is once counted during from results, and the fate that reaches till 80% o'clock to germination rate is resting stage.
3. according to the selection of claim 1 or 2 said disposable high-yield peanut variety seeds, it is characterized in that: the step of said captan sterilization is for dressing seed with 50% captan sterilization wetting powder, and dosage is 0.2% of a seed weight.
4. according to the selection of claim 1 or 2 said disposable high-yield peanut variety seeds, it is characterized in that: the high-yield peanut variety described in the step (4) is No. 45, No. 7, Guangdong oil, No. 13, Guangdong oil or Guangdong oil.
5. according to the selection of claim 1 or 2 said disposable high-yield peanut variety seeds; It is characterized in that: the resting stage of the disposable high-yield peanut variety seeds described in the step (4) was above 200 days; Its resting stage can be handled through ethrel and removed, the normal germination.
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| CN102792885B (en) * | 2012-09-07 | 2014-06-25 | 广东省农业科学院作物研究所 | Method for breeding waterlogging tolerant dormant Spanish-type peanut varieties |
| CN104542264B (en) * | 2015-01-14 | 2017-01-18 | 山东省花生研究所 | Breeding method of high-oleic-acid dormancy peanut variety |
| CN107980619A (en) * | 2017-12-05 | 2018-05-04 | 山东省花生研究所 | A kind of method for creating peanut seed difference hibernation feature new germ plasm |
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| 李少雄等.花生新品种粤油14的选育.《广东农业科学》.2005,(第6期),第29-30页. * |
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