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Получение гаплоидов и манипуляции с плоидностью для повышения эффективности селекции растений PowerPoint PPT Presentation


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Получение гаплоидов и манипуляции с плоидностью для повышения эффективности селекции растений.

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Получение гаплоидов и манипуляции с плоидностью для повышения эффективности селекции растений

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, . ( ) , .

, . , , Daturastramonium (Solanacea), A.F. Blakeslee 1921 . , (0,001 0,01%) .


5033714

:

( . andros ) in vitro ,

( . gyne ) in vitro, , .


In vitro

invitro

, . , , , .

in vitro , , . -, . (pollen embryogenesis, microspore embryogenesis)


In vitro1

invitro

in vitro 1964 . () S. Guha S.C. Maheswari

1973 . Nitsch . Norreel in vitro Daturainnoxia, .


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In vitro2

invitro

( Zheng, 2003):

, , .

100 38 , .

, 38 , 0,3 , 0,58 (100-150g). , . .


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5033714

( )


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in vitro ,

-

- () , .

, (). , - , . , , [Heberle-Bors 1985]


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. ; , , , . , , , . in vitro , , , .


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-. . , . .

-. , . .

-. , , , . . - ( )

-. , . , , , .


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, :

-

- -

-

- - ( , )

- ,


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-


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-


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in vitro . , , 8- . , , . , , , , .


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in situ (.: ) :

,

,

.

:

- , ( );

- ,


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:

Hordeumvulgare(2n=2x=14) H. bulbosum(2n=2x=14).

, , , Pennisetumglaucum, H. bulbosum

(2n = 2x = 24) S.tuberosum L. (2n = 4x = 48) S. phureja(2n = 2x = 24) ( IvP35, IvP48, IvP101)

.. Coe 1959 . Stok 6, 2,3% . - , , [Kermicle 1969]


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- , (). , .

, , , , , . , , , .


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, , , [, , 2003]


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( EtsDesprez 64 , F1 [de Buyser et al., 1987]. , F1, F2 F3).

. . .


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( )

;

;

: ;

( , ) [Chase 1963; Peloquin et al. 1989].


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H1hhh hhhh = 1 : 1

H1H1hh hhhh = 5 : 1

H1H1H1h hhhh=

4 2 (2n-)

hhhh H1h (2n-) =


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,

, - , S. tuberosum

, , , ,


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