????%20?????%20????????%20The%20Phytohormones - PowerPoint PPT Presentation

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????%20?????%20????????%20The%20Phytohormones

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... - 2) Plant hormones phytohormones : ... - 1) Growth promoters 2) ... – PowerPoint PPT presentation

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Title: ????%20?????%20????????%20The%20Phytohormones

1
????????? ?????.? ???? ???????? ??????.? ?????
???? ??????.? ??? ?? ??? ?.? ???? ???? ???
?????? ????????? ???????
2
???? ????? ???????? The Phytohormones

?????? ??????? ????? ?????, ?????????? ??? ??
?????? ?????? ????? ??? ???? ??????? ??? ???
?????? ?? ??????? ???????? ?? ??????, ?????? ??
???? ????? ???? ???? ????? ??????? ???????? ????
??????? ????? ?????????? ???????? ????????
??????????. ????? ???????? ????????? ??????
??????? ????? ???? ??????? ??????? ???? ???
???????? ??????? ??? ????? ?????? ????? ?? ???
??? ?????????, ??? ??? ??? ?????????? ?????
???????, ??????????, ???? ?????? ????????,
??????? ???????? ?????? ???? ??????? ??? ?????
?????? ???? ????? ?????? ???????? ??? ??????? ???
????? ???? ???? ??? ??????? ?????? ??????? ????,
????? ?????? ?????????? ??????.

3
???? ????? ???????? The Phytohormones

?????? ??????? ????? Growth Regulators
?? ?????? ?? ??? ?????? ?? ????? ???? ????
??????. ??????? ???????? ????? ?? ???? ???? ???
?????? ???? ??? ????? ?????? ??? ??? ????????
???????? ????????? ??? ???? ??????? ?? ????????
????? ???????... ??? ????? ??????? ?????? ?? ??
??? ???? ??????? ????? ?????? ????? ?? ???
??????? ????????? ?????? ?????? ?????? ???? ???
????? ????? ?? ??? ??????? ??? ???? ???? ???? ???
???????.

4
???? ????? ???????? The Phytohormones

??? ???? ??? ??? ??? ?????? ?? ??????? ??????
??????? ?????? ???? ???? ??? ??????? ??? ???????
??? ?? ????? ????????? ???????? ?????.
??? ????????? ????????? ?? ??? ????? ?? ???-
1) ?????? ?????Growth regulators
??? ????? ????? ?????? ???? ????? Growth
substances ??? ?????? ?????? ??????? ??? ??????
????????? ??? ?????? ??? ??????? ??? ??? ???????
???????? ?????. ?????? ??? ???????? ?????? ????
???? Promote ?? ????? inhibit ?? ???? modify
?????? ?? ?? ????? ????????? ???? ?? ??????.

5
???? ????? ???????? The Phytohormones

??? ????????? ????????? ?? ??? ????? ?? ???-
2) ??????? ?????? Plant hormones ??
phytohormones ??? ????? ???? ??? ?????? ??????
???? ???? ??????? ??????? ?????? ?? ??? ?? ??
??????? ????? ??????? ??????????? ?? ??? ??????
???? ????? ???? ?? ????? ????????? - ???? - ????
??????? ?? ????? ???????? ??? ????? ???????
??????. ????? ??? ??? ???????? ?? ???? ??? ?????
??? ?????????? ??????? ???? ???? ?? ??????? ??
???????? ????????? ???? ???? ???? ??????? ??????
????? ?????? ?????? ??????? ??? ???????? ????????
????????.

6
???? ????? ???????? The Phytohormones

????? ?????? ?????? ??? ??????? ??? ??????? ???-
1) ?????? ?? ?????? ????? Growth promoters
2) ?????? ?? ?????? ????? Growth retardants
3) ?????? ????? Growth inhibitors

7
?????????? Auxins

???????? ??????? (?????-3- ???? ??????) IAA
????? ?????????? ?? ???? ???????? ???????
?????? ????? ???????? ?? ????? ??????? ?????
???????? ???????? ??????????? ???????? ???????
??? ??????? ???????. ??? ????? ????? ???? ??
??????? ???????? ???? ???? ??????? ???????? ??
???????? ???????.

8
?????????? Auxins

???????? ??????? (?????-3- ???? ??????) IAA

9
?????????? Auxins

?????????? ??????? Bioassays
?????? ?????? ??? ??????????? ?????? ?????
??????? ????????? ???. ??? ?????????? ????????
?????? ?????? ????? ???
1- ?????? ?????? ??? ???? ???????.
2- ?????? ?????? ??? ???? ???????.
3- ?????? ?????? ??? ?????? ???????.
4- ?????? ????? ??? ???? ?? ??????.

10
?????????? Auxins

???? ????????? ??????????? ????????
1- ??????? ?????? Cellular elongation .
2- ??? ????? ??????? ??????? ?????? ??????
(???? ????? ??????).
3- ????? ?????? .
4- ??????????.

11
???????????? Gibberellins

????????? ??????????? ????????????
1- ??????? ??????? ?????? ????? ?????? ?????
.
2- ???? ?????????? ???? ???????? ?? ??????
(??????) ??? ????? ????????? .
3- ???? ?????????? ??? ???? ????? ???????
??????? ?????????.
4- ?????????? ???? ??? ????? ????? ??????
?????? ????? ?????? ?????????.
5- ?????? ??? ????? ????? ?????? ?????.
6- ?? ??? ???? ?? ????? ??????? ???? ???????
?????? ??????.
7- ????? ?? ????? ???? ?? ????? ??????
??????? ???????.

12
???????????? Gibberellins

?????? ??????????
??? ????? ?? ?? ????? ????? ????????? ?? ?????
?????? ?? ???? ??? ??????? ?????? ??? ??? ??
?????? ?? ??? ????? ????????? ?? ????? ???????
?????? ?? ????? ??????? ???????? ??????? ?????
????? ?????. ?????? ??????? ?????????? ?? ???????
???????? ???????? ???? ????? ?????? ????????????
???? ?????. ??????? ????? ????? ????? ??? ?????
???? ????? ?? ????????? ?????? ???????? ???????.

13
???????????? Gibberellins

14
????????????? Cytokinines

????????? ??????????? ?????????????
??? ?????? ?? ???????? ?? ?????????
??????????? ??????????? ???? ??? ??????? ??????
?????? ??????? ??????? ???????????. ??? ?????
????? ????? ?????? ?? ????? ????? ?????? ????????
RNA ???? ???? ?????? ??????? ??????? t-RNA ???
????? ???????? ?? ???????? ???? ????? ?? ?????
???????? ??????? ????? ????? ????? ?? ???????
???????? Transcripion? ????? ??? ?????? ??????
??? ???? ?????? ?????? ????? ?????? ???? ?????
?????? DNA ?? ????? ??????? ??????? ??????????? .

15
????????????? Cytokinines

16
????????? Ethylene

????? ?????????
?????? ?????? ??? ????????? ????? ?????????
?? ??????? ???? ????? ????? ?? ????? ???? ????
??? ??? ???????? ??????????? ???????? ???? ????
????? ??????? ????? ??? ????????? (CH2 CH -
CooH) ???? ???? ???? ????? ??????? ???? ????
????????? ??????? ??????? ??????????
Decarboxylases .CH3H
???? ????? ??? ????? ?? ?????????? ???????
(????????????) ???????? ??? ??????? ???????
????? (??? ???????????) ????? ????? ?????? ?????
????? ?????? ?????????.

17
????????? Ethylene

????????? ??????????? ????????
1- ????? ?????? Fruit ripening
2- ????? ?????? ???? ????????
3- ????? ???????
4- ????? ??????? ???? ?????? ????????
???????? ????????
5- ????? ??????? ?? ??????
6- ??????? ??? ????? ?????? ???? ??????

18
????????? Ethylene

19
?????? ????? Growth Retardants

??????? ?????????? ??????? ????? ??? ????????
?????? ????? ????? ??????. ????? ?????
??????? ??????? ????????? ?? ????? ???????
??????? ?????? ??????. ?????????? ??????- 1618
???? ??????? ??? ????????? ???????? ???????.
????????? ???? ??? ?????????? ????? ?? ???? ?????
?????????.

20
?????? ????? Growth Retardants

???? ????????? ??????????? ??????? ???????
???-
1- ??? ?? ????? ?????? ??????? ?? ?????
???????? ?????? ?????? ?????????.
2- ????? ??? ????? ?????? ?????? ?? ?????
???????? ????????.
3- ????? ???????.
4- ????? ??? ??????? ???? ??????? ???????
????? ?? ??????? ????????.
5- ????? ????? ??????????.
6- ????? ???? ????? ?????? ????? ??????
??????? ??? ?????.
7- ????? ???? ?????? ???????? ???????.
8- ????? ?????? ?????? ??????? ????????.

21
?????? ????? Growth Inhibitors

???? ??? ????????? Abscisic acid
?? ???? ????? ???? ???? ?????????? ???? ????
???? ???? ???? ??? ????? ???????? ????? ????
?????? ?? ????? ??????? ???????? ???? ??????
??????? ????????? ??????? ????????? ???? ??
?????? ?? ???????? ????? ??? ?????? ?? ?? ????
??????? ?? ????????? ?????? ??????? ???????????
???????????? ??? ???? ??????? ???????? ???.

22
?????? ????? Growth Inhibitors

??? ????????? Abscisic acid

23
?????? ????? Growth Inhibitors

????? ?????????
??? ?????? ????? ???? ??????? ?? ???????? ???
?????? ??? ????? ??? ????? ????? ??? ?????????
????? ??????? ?? ??? ?????? ???????? ? ???
??????? ????? ?????????? ??????????????? ??????
????????.

24
?????? ????? Growth Inhibitors

?????- ?????? ???????? Anti auxins
??? ???? ????? ?? ??????? ???? ?????????
?????? ???? ????? ??????? ??? ????? ???? ??????
??????? ??????? ???? ????????? ????? ???????????
??? ???? ????? ???? ?????? ?????? ??????? ??
??????? ??????? ???????? ?????? ?????. (?????
????? ??? ????? ??? ????? ?????? ????????
?????? ?? ??????? ????????).

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