CN1035933A - Method of wheat crossbreeding - Google Patents
Method of wheat crossbreeding Download PDFInfo
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- CN1035933A CN1035933A CN 88101538 CN88101538A CN1035933A CN 1035933 A CN1035933 A CN 1035933A CN 88101538 CN88101538 CN 88101538 CN 88101538 A CN88101538 A CN 88101538A CN 1035933 A CN1035933 A CN 1035933A
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- wheat
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Abstract
The present invention is a method of wheat crossbreeding, comprises breeding method and the maintenance method of wheat male sterile line A and the recovering method of wheat male sterile line of wheat male sterile line A.With the hybrid wheat that this method is cultivated, its grain number per spike is two times of common wheat kind grain number per spike, and full seed, quality better, and optimum invariably shape occurs, and has very strong hybrid vigour.
Description
The present invention relates to a kind of breeding method of plant hybridization new varieties.
From the fifties in this century, domestic and international many Agricultural Scientist are exploring with one's shoulder to collar, long for the method that obtains to utilize wheat heterosis.Up to now, cultivate the method for wheat male sterile line, the method that is adopted when all utilizing " timopheevi wheat " to cultivate successful famous " T type wheat male sterile line " with the inferior people of grade of U.S.'s Weir in 1962 is the same, use be the cytoplasm of wheat allied species.And there is disadvantageous hereditary effect in most of allogeneic cytoplasms to the wheat nucleus gene.Although so realized three series mating, but increased the difficulty of seed selection work because of male-sterile seed shrinkage, kytoplasm adverse effect etc., thereby there is not a practical value, attempt under common wheat kytoplasm background, obtain the research work of practical sterile system, because difficulty is bigger, do not obtain to cultivate the report of the common wheat cytoplasm male sterility line method that becomes to have using value both at home and abroad as yet.
The objective of the invention is to obtain to cultivate the method for the heterotic hybrid wheat new varieties of abundant demonstration.
The present invention relates to a kind of breeding method of plant hybridization new varieties, comprise breeding method and the maintenance method of wheat male sterile line A and the recovering method of wheat male sterile line of wheat male sterile line A.The present invention is that the breeding method of realizing (1) wheat male sterile line A like this has two kinds, first kind is to make female parent with " 76216 wheat ", make male parent with " 78520 wheat ", after the hybridization, use the Gene Isolation principle again, backcross, screen through two generations, obtain wheat male sterile line A, second method is to make female parent with " locust wheat ", make male parent with " sky selects 15 wheats ", after the hybridization, use the Gene Isolation principle again, backcross, screen through six generations, obtain wheat male sterile line A;
(2) the maintenance method of wheat male sterile line A has two kinds, first kind is: do maternal with the wheat male sterile line A that cultivates with first method described in above-mentioned (1), with its former male parent 78520 is that maintenance line B makes male parent, backcrosses, and it is " E " type that the gained wheat male sterility keeps; The maintenance method of wheat male sterile line A is for second kind: do maternal with the wheat male sterile line A that cultivates with second method described in above-mentioned (1), with military farming 99 is that maintenance line B makes male parent, backcross, it is " W " type that the gained wheat male sterility keeps.
(3) the recovery system selective breeding method of wheat male sterile line is: do maternal with the wheat male sterile line A that cultivates with method described in above-mentioned (1), with " salty agricultural 151 " serves as that recovery is that R makes male parent, hybridize, when female parent is the wheat male sterile line A that cultivates with first method described in above-mentioned (1), gained first-filial generation (E) is " E " type hybrid wheat, when female parent is the wheat male sterile line A that cultivates with second method described in above-mentioned (1), gained first-filial generation (F
1) be " W " type wheat.
First kind of the maintenance method of method of wheat crossbreeding (2) wheat male sterile line A also available " 82(25) 1 " replacement " 78520 " is made male parent for maintenance line B, backcrosses, and can obtain also that wheat male sterility keeps is " E " type; Second kind of also available " ' T ' type recovers system " replacement " Wu Nong 99 " of the maintenance method of wheat male sterile line A for maintenance line B makes male parent, backcrossed, and also can obtain wheat male sterility maintenance line " W " type.
In the recovery selection of method of wheat crossbreeding (3) wheat male sterile line, also available " 1B/1R section bar material " or " combining anti-No. 1 " replacement " salty agricultural 151 " is that R makes male parent for recovering, and also can recover " E " type and " W " type male sterile line.
With the hybrid wheat that this method is cultivated, its grain number per spike is two times of common wheat kind grain number per spike, and full seed, quality better, and optimum invariably shape occurs, and has very strong hybrid vigour.Under the prerequisite that does not increase investment, comparable common wheat kind volume increase 20%～40%.
Accompanying drawing 1 is " E " type hybrid wheat three series mating material and contrast wheat.(1) male sterile line A, (2) maintenance line B, recover (3) is R, (4) first-filial generation (F
1), (5) common wheat 7859.
Accompanying drawing 2 is " W " type hybrid wheat three series mating material and contrast wheat.(6) male sterile line A, (7) maintenance line B, recover (8) is R, (9) first-filial generation (F
1), (10) common wheat 7859.
Cultivation with " E " type hybrid wheat is an example.Do maternally with " 76216 wheat ", " 78520 wheat " makes male parent, and after the hybridization, utilization Gene Isolation principle was backcrossed, screened through two generations, obtained wheat male sterile line A; Making female parent with wheat male sterile line A again, is that maintenance line is made male parent with its former male parent " 78520 wheat ", after the hybridization, obtains the wheat male sterile line seed, and wheat male sterile line is kept; Making female parent with wheat male sterile line A, serves as to recover system to make male parent with " combining anti-No. 1 wheat ", after the hybridization, and acquisition " E " type hybrid wheat generation (F
1).Because " E " type hybrid wheat generation (F
1) male sterile line be restored, so first generation of hybrid seed (F
1But) field planting.
Claims (3)
1, method of wheat crossbreeding, a kind of breeding method of plant hybridization new varieties comprises it is characterized in that breeding method and the maintenance method of wheat male sterile line A and the recovering method of wheat male sterile line of wheat male sterile line A:
(1) breeding method of wheat male sterile line A has two kinds: first kind is to make female parent with " 76216 wheat ", make male parent with " 78520 wheat ", after the hybridization, use the Gene Isolation principle again, through the screening of backcrossing of two generations, obtain wheat male sterile line A, second method is to make female parent with " locust wheat ", makes male parent with " sky selects 15 wheats ", after the hybridization, use the Gene Isolation principle again, backcross, screen through six generations, obtain wheat male sterile line A;
(2) the maintenance method of wheat male sterile line A has two kinds first kind to be: do maternal with the wheat male sterile line A that cultivates with first method described in above-mentioned (1), with its former male parent 78520 is that maintenance line B makes male parent, backcross, it is " E " type that the gained wheat male sterility keeps, the maintenance method of wheat male sterile line A is for second kind to do maternal with the wheat male sterile line A that cultivates with second method described in above-mentioned (1), with military farming 99 is that maintenance line B backcrosses as male parent, and it is " W " type that the gained wheat male sterility keeps;
(3) the recovery system selective breeding method of wheat male sterile line is: do maternal with the wheat male sterile line A that cultivates with method described in above-mentioned (1), with " salty agricultural 151 " serves as that recovery is that R makes male parent, hybridize, when female parent is the wheat male sterile line A that cultivates with first method described in above-mentioned (1), gained first-filial generation (E) is " E " type hybrid wheat, when female parent was the wheat male sterile line A that cultivates with second method described in above-mentioned (1), gained first-filial generation (E) was " W " type hybrid wheat.
2, method of wheat crossbreeding according to claim 1 is characterized in that 1, in first kind of the maintenance method of (2) described wheat male sterile line A, also available 82(25) 1 replace 78520 to make male parent for maintenance line B; Also available in second kind of the maintenance method of wheat male sterile line A " ' T ' type recovers system " replacement " Wu Nong 99 " is made male parent for maintenance line B.
3, method of wheat crossbreeding according to claim 1 is characterized in that 1, in the selection of the recovery of (3) described wheat male sterile line system, and also available 1B/1R section bar material or " combining anti-No. 1 " replacements " salty agricultural 151 " are that R makes male parent for recovery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88101538 CN1035933A (en) | 1988-03-21 | 1988-03-21 | Method of wheat crossbreeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88101538 CN1035933A (en) | 1988-03-21 | 1988-03-21 | Method of wheat crossbreeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1035933A true CN1035933A (en) | 1989-10-04 |
Family
ID=4831792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88101538 Pending CN1035933A (en) | 1988-03-21 | 1988-03-21 | Method of wheat crossbreeding |
Country Status (1)
| Country | Link |
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| CN (1) | CN1035933A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062310C (en) * | 1997-12-09 | 2001-02-21 | 中国科学院新疆化学研究所 | Analysis method for gene groups cross-breeding affinity between plants |
| CN103430827A (en) * | 2013-08-09 | 2013-12-11 | 绵阳市农业科学研究院 | Breeding method for new thermo-photo sensitive two-line hybrid wheat variety |
| CN111616044A (en) * | 2020-06-02 | 2020-09-04 | 西藏自治区农牧科学院农业研究所 | Three-line hybrid wheat breeding method |
-
1988
- 1988-03-21 CN CN 88101538 patent/CN1035933A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062310C (en) * | 1997-12-09 | 2001-02-21 | 中国科学院新疆化学研究所 | Analysis method for gene groups cross-breeding affinity between plants |
| CN103430827A (en) * | 2013-08-09 | 2013-12-11 | 绵阳市农业科学研究院 | Breeding method for new thermo-photo sensitive two-line hybrid wheat variety |
| CN111616044A (en) * | 2020-06-02 | 2020-09-04 | 西藏自治区农牧科学院农业研究所 | Three-line hybrid wheat breeding method |
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