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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

63

2004


63

-----

1964

1970

197297A1A

1973IR24


63

5

WA97AV20A

GD46A DA

BTAA

DI29A

HLHLA


63

1.20%

2.


1 p25 2 p25 3 2 p25 1 4 4 1

1.P25

2.P25

3.2P251-4

4.1


Teyou 559 indica hybrid with high yield

Teyou 559indica hybrid with high yield


63

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


1 58s 14 12 3 6 2 58s 10 18

1.58S14123-6

2.58S

10-18


63

Liangyoupeijiuhybrid by two line method


63

A hybrid with new plant type


63

1.

2.

3.P26

4.0.015%~0.025%1072


63

1.


63

2.


Bt p27 d

BTP27

D


63

1.

2.

3.

4.


63f2 2004

63F22004


63


63

3A/C418 F1


63

1.

1F110F1100

2


2 63 ir30 630 33 34 ir36 ir24

2 .

63IR30/6303334IR36/IR24


63

IR30/630


63


63

A/9/77302-1

BC8F6


63

3A/9/4482 F5

BC8F5


63

BT-IL161A/4016R F1


C c57 1

CC57/1


63

C57/1


Ir26 f 2 1

IR26/F2//1


63

1.


63

63 F1

2004


63

559 F1

2004

F1

2004


63

2.

F1


63

Collaboration between China and IRRI on Hybrid Rice

FANGMING XIE

Hybrid Rice Program

IRRI

DAPO Box 7777

Metro Manila, Philippines

[email protected]


3 p31

3.P31


63


63

-----

1/10802

80%

6%4%


63

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


63

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


1 10 1 12 100 250 500

1/10-1/12

100-250500


63

2. P32

NMUN--N-0.15%0.03%6

MNUN-methyl-N-nitrosourea)

EMS


63

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


63

sugary mutants in rice

sug1

sug2

WT


63

1.: ,; , .


2 m 1 3 m 2 m2

2.M1: ; , . ?

3.M2: ; M2


4 m 3 m 3 5 f1 6 p33

4.M3M3

5.F1

6.P33


1 m 2 0 6 2 3 2 0 29 0 42

(

1.M20.6%-2.3%

2.0.29%-0.42%


63

3.

4.0.006% Yamasaki & Kawai, 1968.

5.P34


63

96676-085


63


63


63

P35

1.

2. 75%15

0.1%103

3. 3cm50-100

4. 302-3cm15-253-4


1 n6 2 4 d 2mg l p36 1 7 2 ms p36 1 8

1.N624-D2mg/LP361-7

2.MSP361-8


1 2 3

1.

2.

3.


1 2 3 4

1.

2.

3.

4.


1 2 3 41

1.

2.

3.

4.


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