Plant Root 4
-
Upload
anithajames -
Category
Documents
-
view
217 -
download
0
Transcript of Plant Root 4
-
7/24/2019 Plant Root 4
1/16
ANITHA JAMES
NATURAL SCIENCEROLL.NO - 25
PLANT ROOT
-
7/24/2019 Plant Root 4
2/16
PLANT ROOT
The root is the non green underground prt o!the p"ntde#e"ope !ro$ the rdi%"e o! the e$&r'o
It is positi#e"' geotropi% ( negti#e"' phototropi%nd positi#e"' h'drotropi%.A t'pi%" gro)ing root hs root %p($eriste$ti% region ( region o! e"ongtion (roothir( region o! $turtion
-
7/24/2019 Plant Root 4
3/16
*T+,ES O ROOT S+STEMTap root system , fbrous root system,
adventitious root system
TA, ROOT S+STEM It %onsist o! $in root %""ed( tproot or
pri$r' root It is dire%t pro"ongtion o! the rdi%"e
It gro) #erti%""' do)n in to the soi"The "ter" &rn%hes o! tp root is %""ed
"ter" roots
ROOT SYSTEM
-
7/24/2019 Plant Root 4
4/16
UNCTIONS O THE ROOT S+STEMTo n%hor the p"nt to the soi"To &sor& )ter nd nutrients !ro$ the soi"
Roots get $odied to per!or$ spe%i"!un%tions su%h s respirtion ( $e%hni%"support ( ssi$i"tion ( nd storge o! !ood
-
7/24/2019 Plant Root 4
5/16
I/ROUS ROOT S+STEMThe rdi%"e !ter short period o! "i!e ( stops
its gro)thSe#er" &er "i0e roots rise !ro$ the &se
o! the p"ntSeen $ost"' in $ono%ots
i&rous roots re thin
-
7/24/2019 Plant Root 4
6/16
A1ENTITIOUS ROOT S+STEMRoot de#e"op !ro$ n' prt o! the p"nt
&od' other thn root s'ste$The &n'n tree ( $ngro#es re e3$p"e It is short "i#ed not produ%e tp root In so$e %ses it de#e"op !ro$ the petio"e o!
the "e! nd these re %""ed !o"ir roots
-
7/24/2019 Plant Root 4
7/16
Root is s)o""en in the $idd"e nd tperin tthe tip nd &se is %""ed !usi!or$ root
Root &e%o$e s)o""en spheri%""' t the
upper end nd tpering to)rds "o)er prtis %""ed npi!or$ rootRoot is thi%0 nd 4esh' &ut dose not h#e
denite shpe %""ed tu&erous root
-
7/24/2019 Plant Root 4
8/16
MO1IICATIOHN O THE TA, ROOTSTp roots re $odied !or the storge o!
reser#e !ood $teri"s ( root tu&ers
1epending on the shpe root tu&ers re%"ssied in to !our groupsThe' &re %oni%"( !usi!or$ ( npi!or$( nd
turerous
Root &e%o$e s)o""en t the top nd tpersto)rds the "o)er end %""ed %oni%" root
-
7/24/2019 Plant Root 4
9/16
NA,IORM
-
7/24/2019 Plant Root 4
10/16
TU/EROUS ROOT
-
7/24/2019 Plant Root 4
11/16
CONICAL ROOT
-
7/24/2019 Plant Root 4
12/16
USIORM ROOT
-
7/24/2019 Plant Root 4
13/16
THANK YO
-
7/24/2019 Plant Root 4
14/16
-
7/24/2019 Plant Root 4
15/16
I/ROUS ROOT S+STEM
-
7/24/2019 Plant Root 4
16/16
A1ENTITIOUS ROOT S+STEM