Table Of ContentSe act Siar, ah 1, S18 sss cts ate
Infestation dynamics of Phylocnistis citrella Stainton (Lepidoptera:
Phyllocnistidac) on Mosambi (Citrus sinensis) and its relation
with important weather factors in Jammu, India
Monika Chhetry* , Janak Singh Tara, Ruchie Gupta
Tere 2H, fs
Ahatraet; tho oben af hi wok fs to ancy Phe acon xarinvon of porecmagy weston. gr olct
fpr cer ft ee, irl. lati, nti wrest th pptine se Fk
Teli Seal ahundan ea Cs la exer ss
rice, Phglarnsinla Sct in 38K Sie
ings! betty nan oneal Rll (ine ean) ra Mac 008 Fas 2008, ate
in famina, ‘are Uhre aortas uae frm soe Ed vsrikd ill ne ama ae
Segelative Mash oi. at Apel. aud July aut at Seplonbel, Cacao: alesis adalat bl ating
aiiezaem and arcoge lative howdy wor vogaticcls conelaed. whereas, average mnkll. aad
“rain. minirr aM crea emgeninne ore pvkirely cored ih the apelin oF tr Tvl
tess Rall vl tengwonsee bal serfiene pod ve eri oa edh se poi avn. Ps
ever poplin af Pe ray twat he pit sige levy te tive Baie
Parti ar are Hemera, “fal aa erupt al a gon le ating ep ei
Rep words, Phstora
1 INTRODUCTION
Garay atin, Phyllis cl
Stainton. oviainatd in Somthoast Asia ie 4 mio
‘post the Old Werk, Tes wodrapocul m uc
Chuwis. 1931) gad fy heme fone Kas Alri
(Salon? Chalowdy 1967 YS thea
outhers Asia Sau Arabia to bala Cllr,
M2Uy avd Andanesia(Ralaboria, 19815}, math to
Tloug Koug sel Tsvan (Chin. 1985), Philippines
ty 1918) and eontkem Tape (Gaseu.
Th ie clon find in Rew Cairne a wey
Tin
te Yemen
1933;
Ps Issn uel Sune ( Hie, TAS
relyphagous andl foe primary on citar slants of
fails, TRstaceac Inloting.Aagle mamnatas (1)
Cor. Sour, atop 3p. (Fletehet 1990) and alana
ae trot, 1913, hur egal os incl
Docoivans sends (le 3, fesse spy Rerakig
suc nil, 1U2L), Heorgpe prostate £1) dae
fand Sendophne tenmcarptilio Noct ( Las and
Yanns, 1951)
Che loaf ounar denues etry by wining the
senlerie again, fees ar st aba Ue
stnersed on he upper lel slau eu sine
Teaf i attarked by mang Tatsas. ‘The af rsning
sank in Isa dsfrmation, ening, pantie
chlorosis. accrue drop andl pesile stew: dcbuck,
(Cru nae letting easing moaLace Lats ean ation
sod altimetly impairs the tees" > photoyetbetc
tegen. A Tile istoion ae ace tthe
aig Crue
evmlly this tyre sf Foaling ie om = sigan
problew. Binns of apne Dish U9 move davaging
Hue fill lash ence :x6 sping flush 2e peiunely
respite lar saprnting Feit dehyde P ants
Tl nes seam nl gene Inge ser gees
surcmplde le Di dae
fone cune fe sce ou aloat, bur 2 3 mance ane aleu
observed crigg soveo idiot. und ov mun ae
thine abv Terenas Ie { Krag
1095)
afin nove yoat eld ros wat ufficont to lee as
Tea ine ably toi It
Lona nnier on
‘ialvateifrstation of 12 Teg yr
fells bp 30% 40% a tho fillomn year
Cenlenn, 19043. 34%=36% aml even pH
SME = 45% In Uv snag pons CSmska sa
Gupta, 1945} hae eeu sopnned by Puuioh and
Madéya Traceeh. Aadditicully, the mee provide
font pot for w wre ve: pth nag
Pirie ranker I grate ssacorits te eral af
‘ius camer ante by Nanfhonvaias aconapdte He
rites. Waea the gallica boeame contzuinated with
‘dims cake hock, ramen inion ue
tex ing fi Hemera aml pvt
tl cake inky, Suivi
rvlitons dierent commen hers abun ap 44
erates of ete ecole nkescmtoa in eit lees
‘wut tho tour 3eprowint(Sobn and Souda. 19685
Hupsncr, 1995 }- Recline canker ie las
niece in Mani pottinin asst
sewn Ue sla EW, od
Many auton ut the aewanal yarn of
tal of 2
rive hase Toon eve
Inia (Bane ans Sowbu, St}, Heaieo
(Cautista Mantncz ve a. 1998), CBA {Tageap
i, 199), Curope (Urauneja eat, 2000} an
uasil (reeve mnt Releelli, 2006 21 the past 20,
ear The sverity al Potty eel be
Tinsng of al rie etiolated
Mesingpallerne, hil liller
cori sal nl ase (Krag nee, MSS
esther Inia. Singh and) Ata (19865 besten’
that th larac aio ceive tbrmgoot the zea hat
Theme infestaor. ocouned dung Febros-y_ and
Murcl, Seeeuirg of elms geruplia ayaiust le
since in nd hills eter Tusda euggontdl tho pou
datisity woe dhsing Pebeaany — Marchal lm
CMtaku al toca, STE
Australia, Pet ruse ise eg br ing
Avalee (inal sual Migs, 1398 3
‘orida, oriposita ember war loner ia the stor
than in ether seaeons duo to eghttine tomprature
(Pens o af. 1996}. To Medreraueam elimane
cousitens, the poonlution prolfrstos oa. wx the
rin of ths ya ard pie a ly
cena oes
Ii Chin se
I sont
eng sage Cita Cally 19963.
Agron the jbo ine arin, ig
fad sunnier Ia “ving fall, ne
peal dara wines Dien of, 2008
Ties retouch reposts in Aaia have bore
facused cn tho papvistion cece oud eeaznel
soudanee of P. civetia en diferent ec cultivars
‘Te ued Sutdba. 1981, ng of of. 1999
Tar ths prion of tae pple oo Hae Bae
ingarta yelher pacar rete la Ine vive
"bead
nevi in ra
Ue neesenal alnandvire, id by
The less of this work =I sly
Yomi
ingata ais falls elation
Tait an tematic th pplation ao a 0
find oot the role of weather factors ail te muke az
ilo to dexelop un intyantel aanagemest program
Fae Ci bat magi BER Skt of Ii,
2. MATERIALS AND METHODS
21 Tafesttion dynamics of P. ites
Dau to sear alanennie el pple of
tho pint ere cult Taamighby fe howe
conse years 8. Ware 2B ~ Fle 2008 fe
sin igs ete wl Meson (di
fees) Ting, 30 phaatsnn, 3 yam oh, wil
vrellnfacine ve
er tor divunes of ubont 3, 68 up ated i
ijyoe Cait Senby} (32°34 gd 78°01 By
“lb wn). He the parpane of sampling, the Bel
Asia ing tise bake evnering ll the Rae
Aims seat one Fr he -couttnKruen oah
black, rn tens sone strmly aeote. Thos, te
ppulotion cure sone rade tll of 10 ray
Select Ina of olen prea Tw all ths Fe
blacks Fone the sty ain amd ore fr score
sdooretins. The all sletal foes ene Kp fre
Fron insets hraghon! the pies of
sty, The bimchos £1 sel} me uel res
gyre sl hone stat on wel te oe
xeraphiol dinatigns wore slsetal tein Toe
Tien er ae Ia eae Lave pe shi
eountal and sandal Faighile. Pawan
lettin wa cuban lel by ating the ler a
fal avers wh tis a laver yr sha
156 lewics. por TO ere shoo 3. Foti
treteurhigival stn wth mpiate tenpestine
sii rage) wl
average esl were shai vey treo
Heparivest, University al
Agricultural Seine nl Trohealegy (SKLASTY
onunat, 25 liter T the rapid a
2.2 Staticieal analysis
eon falta personage scandal
nla anni enaar ale. Dale te yous were
tele ogee ne the rn ryan yarn
ite pest
ravering, errant
Slr hase
er analysis of infestation ena
the jast popu with toni sats ak
average snl, mening elation uty
alin velaioe humidity, erage ave
Iranperduoe ane soerage Wajerire YU
se here tn Fee sd lige mass.
siting aren
lie eats hs
sides he illo iu wie kaso
emul dng. ae yon ag tonight on
fepution txts af su bel vi a The os
Tetnight bie pine a plouniag af
raripanest rates ta saygins teimtant
fess Suliieal oasis gue cpl lea ty using
SPS allure esi TT
3° RESLLIS.
3.1 Infestatinn dymamie
lalate
Mocaubi (@. saemie} in a whale year dusing the
feqvainvatal peod (Fig. 1). the fiat onal ar
nda bel eee as
a ona Cee In Sani of Pct al Stas Mesa 2
tained dorng the fast fright of April i all the
fhioe years, however, there was a difernce in the
inonsty of infestation which woe maximum duving
2007 (376 = 1.24 larswe per 693 leavess 54,32 per
font). Therafer, there wae a step dele in the
inflation ll May. During June the paplaton
uated sing, and mauled the eeoud pea during
unesluly. In 2005, the aeeand peak a attained
‘uring the Fs orig of July with 21.54 per eat
Infestation (133 1. 67 hawvan por 621 Tears)
However, during 2006, it sas abcerrad in the
second fortnight of July (120 = 1.09 lawae per S68
Teares; 2.10 per cont), Daring 2007, wae seen
tut the sovoud peak wae atained earir thea the
presiane feo youme and the percentage infestation
‘he mean infestation dynamics of PL cella or
Mourki shown i Fig 2 Git lel nee ere
found or Mocambi on all the sanyling dtee, howerer
the. pemestage infesation vase. uring he thee
tied peo. Pooled dnt of three yoms indinted 9
shaep wexsie in population iafostaton at the end of
‘arch esting in fs pra Frain cing he ft
Soraight ofp with the valve 43,29 per cont (262 2
1.54 lane pe 13 Insves)-Dusig early July a
incense in the Teaf minor infeinion wae cherved
siete euied in anal sel peak ating he second
Fong of uly (123 11-28 favor per 49 lees
WIP per cet). A thil posh (IST 21.43 lave pot
(316 te 29.32 per et) laine daring send
fortnight of September.
3.2 Elect of weather factors
Coreaton amlysis for the thnee your pooled
tinea th aera elative fii fas
sitive vorelaton (r=0-00, 9 =120, P=. 760)
with thm population inet, anal wmarsing (
0.03, 0 = 120, P= 0. $8) nd average relative
Druids Cr = 0.07, = 120, P=0. 737) bas a
ogativo “corclaton, though net significantly
reached 22.21 por cent (226 =1.65 Iawwse per 303
leaves) diving the sooond farmight of June. The
third pele wae uehievod during the fret fright of
September in 2008 (122 = 1, 09 larvae per 608
leaves; 20, 18 per cent) and in 2007 (300 = 1, 62
Trae per 693 leaves; 43,21 por vet). Homer,
iy ane Til: late i 2006 eh en se
lrg the aud of September with the percentage
infestation of 37.89 pr cru (207 21.78 lar pe
547 leases). "Therefie', 2 stadual deen in the
Population wae noticed ‘ll the Bist fortnight of
January. A alight ineeaso in tho infestation wae
sbscrved dising the secon! fortnight of January and
thon a rapid build up dusing February
mela. Avempe rinfall aloo ad a pxiive
Fig. 2. Poros iin {men 2) o Phyl
courletio wit the population infestation (1 = 0.341,
(02120, P=0. 103}. Foe the hole pio hwy wet
‘highly wgsiicam postive cneeation heneren the
‘ello ialesiaGva "and taxinuen,
eerie trpratine CP 0.01)
‘ainieumn at
me ps ep OMAP of READ J8 WRT BO Yea UHRA COL
Whoa all te gwar factors yep
together qairst perentgs efeticen of Cimon Ia
titty ts “ont fino ration fn
hal ovinns tenure bse nye sesetaine
the pascelage ialpwaton. Oth weather
FResmetns sun a sine emetic a
Aeteruuietog rae (7°) te flgh 990.79 dong the
fee" 207 wom Lit thew weather conc hn
[ener imgue on che fearon of Cam Tee ie
Crate OY
4 CONCLUSIONS AND DISCUSSION
he. ghost infstation dining 200/ was
apparcaly dhe to heavy rainfall which led to the
fsdficient avilabilsy of fceh rogctative fio A.
sp esting in the polation Safetaun Bll Map
Cuinceal with efnmase intemperate an
Homer, wih le
ce neces lari, Jat he pp ain
Inflation stated sng an weazhel ths eco peak
stving Jone Sly, und onset ef ru asine ning
soussou pie ruled in the Somutuu of the thie
pose ving Soprembars suit ids! with the
silty of new Thad, evan i Lenin
sd inn rb Hey
hemane in relive bil
ge nee
Tle siya iataisn wae nm prs
cam epsing usb (Apel sather than on anton Lush:
Sepucaler}. Fig. 1 showed that tho :arce peak
Infestation pried ovincled wth tho waoant of
oi eed ling th poh that helt he
rrsungence of rs ah. ibe lung te pei
enti wi average sil
that thos was thas peaks that ince wi the
avalaiiey of mar vegetative las bt ths Betti:
{in the popalanen during the ety porate three
seams evn bo du t the hurtin in the weather
Taeuens gyri tet the plain a Gens let
vine ae llr bye ele Ft one bien
ae ality of we Nh
Reka aval urns £19453 swiped the ah
aoe of (soe Leaf ona infestatin fem Manco
Muy and agen in Sepeaber to November 1 the
fnawr westem Pani Cue Hae Puaj povence i
Paka}. Peale and Pauley (1968 } aber
jaw eeae atiity of tne Ia ier ne Sid
Ta Pol, Mat al Sev: TST
skecrerd that this peat pose a arr that 10
funder lingo of Citrus chmug Mach t2 Mayan
Anant to October when there ie cummin nex
‘gro auc mscle i he poplin stoped te
tks, es in pail = Vy a Agu —Seperline
thn Tae CIMEA ion
Tile bral sul po galing i
Rovers
using Septeror to Devoner, where it wo lo
‘ring Mor ancl dure, Howser, in thy suena
fticy there tee pple eae Han si
Septem ts Daenbseoalthe lrsal palin nae
rooms pauninsed daring Spring ( Warch — Apel
fussly din tempera
‘Mtgemins, the highest” yoysltiny ewok nt 2
Cemse it In
sig ene ware Ite January ane Mole
‘hile te lost incon eval the mth
Angin! Heong Dever dyed thowigh Jal
(ince 21041. Tr Hi Dea 1996}
ama sue Tuas ( Lngpi eta, TOY 7
pepwtaion radi nema re rig fll sol
Metin ang the winter
Tn general, Where senna tae be thal
mi ilk te saiailily em sepia
fiz. md Api, il Jule aul el Sopeie JH
Std of If,” Paptation of Pine 1 nal be
penliinl snple By abversing the rele ite
Do atraars, Hever ily cl Te
ve yuo Too Pent a ha bee
haere Ubineser rial al lperalane ple
age ein iting the yl ition le
tem i taal sd emyyrsie tte he
nf ate ana of He surge
Uh ese Po fey i
Refecenses
cee aN i ie
io Fi 5. Some he en eine hin
ace Hs ib Lis Ni lan Laat Side
Tene: Ponies ce I pao, omen i
FSS RMR HE HBA Bas
BRESBETRATWHKA
Monika CIIETRY * ,
ih TARA, Ruchie GUPTA
ARE, GE EIR SURE Al Ms Stee oR Gres SABER
ASPET ADR Suse Ue STOICA 201 CHL PARE
HRoE IRIE ete, IME ET ROME TM ae LEME. TS RT,
SARURA J] 040.5 IED JV) TAR ee EMME AS SAE BL, LE A
Bie NEE AE WISE A See Hh, BBE ROTA REM
ARR ATAS. OU AO LTUTL ST AR. RENN ROTA
EDTA UREN PREM , TID MILE MAR USS AIS
SWE: NIK: HIF, Wes SRM: BS
MELAS: CoS RARER: A KARINE mst eas a0: ms 9 Ws
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