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/. .---.-----t,.t7)/'*"t. :--. -\_. ffi. American Journal of ExperimentalAgriculture. 1(3):110-1 2011. 20,. 1'".1.'. ,. international. SCIENCEDOMAIN. ofq. www. sciencedamaI11. A Study on Effectsof PlantingDateson Growth. andY ieldof l S c o rn H y b ri d s (Z e a ma y s L .).

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American Journal of ExperimentalAgriculture

1(3):110-1 2011

20,

1'".1.'

,

international

SCIENCEDOMAIN

ofq

www. sciencedamaI11

A Study on Effectsof PlantingDateson Growth

andY ieldof l S c o rn H y b ri d s (Z e a ma y s L .)

Marvam Ashofteh Beiragil, Saied Khavari Khorasani2'

seyednaninil.,i"",l"ni"^;;;;D"1"'"'"*'^fi;r1**%::g:;t;

lJniversityof Zab.ol'Zabol' I,ran'

l

Plant BreedingDepartment,Collegeof Agriculture,

and ilaturalResources Center' Mashhad' lran

,Khorasan nur"ui'Aji[ittirit

ni"""urin

""-"loui",tment

and Breedi'n',i!rT;"r[:::,

ofAgrononv Plant

ililf i:"*r;

oAgronomyDepaftment, LJniversity Tehran' Tehran' lran'

of

Department,lJniversityof Tehran' Tehran' lran'

5 NanoBioTelhnotogy

R ecei ved19tnA P ri l 2011

A ccepted 26th.A P ri2011

l

Onl i ne R eadY16" MaY 2011

Research Article

ABSTRACT

ture singlecross hYbrids

tffi'::'Yll:

({5-97-04,.KSC647and *::"-i-"^"^'"3:":31

DC370)

hvurios

and3 lranian

RazaviAgricultural

"o*t"r"i"r

with i reptications Khorasan

ai

on'RCB^D

::['(;1111'r'J'i'r""i;ur'J

hybrids,EXPl

lran on zoog.irrii studyshowedthat amongall

centre, Mashhad,

Research

r,"JL" hiihestyieldsin earlyplanting June)and

(5

anOOs-SXOf (1551 !"11h3)

Z

ton/ha)

(16.03

(20

yieldsin lateplantins

ton/ha)""i'kocbio ga.zzto"ti,i) produ"ced highest'

the

EXpl (16.52

weight'

suchas 300 kernel

yietO

component

ifrat

June).Results thisexperi.*ntaisoindicatea

of

affectedin delay planting

no. per row, xerneldepth and ear l;"Sth were adverselyrow' kerneldepthand ear

kernel

wLignt,kernelno'.per

300- kernel

reduced

Delayplanting

condition.

into4 different

usingWarts; *61'oo divided cornhybrids

the

anatysis

clusie-r

of

Results

length.

it

analysis

results cluster

of

Fromth-e

similarities)'

(lowintra-group highextra-group

and

clusters

and EXP2hybrids)

8C582

g";otyp;; in Ciusl (2P434'

among

is recommended makecrosses

to

genotypes

Classifying

SfH,fOru KSC647)in breedingprogrammes'

and

and Ctus4 (2P684,

could reducethe

techniques

muttivariate

traitswith sophisticated

according theirugronornic

to

andexpenditure cropimprovement'

for

timeperiod

analysts;

cluster

Kevwords.Maize, planting date,combined analysis'

rCorrespondingauthor:Email: [email protected]'ac'ir;


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