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籼型杂种稻“汕优 63” PowerPoint PPT Presentation


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籼型杂种稻“汕优 63”. 2004 年江浦. 第五节 水稻育种的途径和方法(二) ----- 杂种稻的选育 一、杂种稻简史 (一)杂种稻选育简史 1964 年袁隆平开始从胜利籼品种中寻找不育株。 1970 年李必湖在海南崖县普通野生稻群落中发现花粉败育株。 1972 年育成野败型珍汕 97A 、二九南 1 号 A 等不育系和保持系。 1973 年测得 IR24 等恢复系,实现 “ 三系 ” 配套。. 目前我国育成的不育系有 5 大类: 野败型( WA 型),如珍汕 97A 、 V20A 等; 冈型( G 型)和 D 型,如冈 46A 、 D 汕 A 等;

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籼型杂种稻“汕优 63”

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63

2004


-----

1964

1970

197297A1A

1973IR24


5

WA97AV20A

GD46A DA

BTAA

DI29A

HLHLA


1.20%

2.


1.P25

2.P25

3.2P251-4

4.1


Teyou 559indica hybrid with high yield


Chang you 1 three-line japonica hybridwith good quality and late maturity


1.58S14123-6

2.58S

10-18


Liangyoupeijiuhybrid by two line method


A hybrid with new plant type


1.

2.

3.P26

4.0.015%~0.025%1072


1.


2.


BTP27

D


1.

2.

3.

4.


63F22004



3A/C418 F1


1.

1F110F1100

2


2 .

63IR30/6303334IR36/IR24


IR30/630



A/9/77302-1

BC8F6


3A/9/4482 F5

BC8F5


BT-IL161A/4016R F1


CC57/1


C57/1


IR26/F2//1


1.


63 F1

2004


559 F1

2004

F1

2004


2.

F1


Collaboration between China and IRRI on Hybrid Rice

FANGMING XIE

Hybrid Rice Program

IRRI

DAPO Box 7777

Metro Manila, Philippines

f.xie@cgiar.org


3.P31



-----

1/10802

80%

6%4%


1. 50%30%60Co150-600Gy(1Gy=100R), 300Gy58%


1-6P332~3300Gy250Gy0.83-0.415Gy/min31011/cm2


1/10-1/12

100-250500


2. P32

NMUN--N-0.15%0.03%6

MNUN-methyl-N-nitrosourea)

EMS


Amylose content

15.58%

0.76%

5.32%

6.48%

7.22%

3.80%

5.32%

Mutants modifying amylose content

WT

wx

du1

du2

du3

du4

du5

I2KI


sugary mutants in rice

sug1

sug2

WT


1.: ,; , .


2.M1: ; , . ?

3.M2: ; M2


4.M3M3

5.F1

6.P33


(

1.M20.6%-2.3%

2.0.29%-0.42%


3.

4.0.006% Yamasaki & Kawai, 1968.

5.P34


96676-085




P35

1.

2. 75%15

0.1%103

3. 3cm50-100

4. 302-3cm15-253-4


1.N624-D2mg/LP361-7

2.MSP361-8


1.

2.

3.


1.

2.

3.

4.


1.

2.

3.

4.


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