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TRANSCRIPT
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X r dY o6[n'lltnr:nfnrrreulo?, o.t lfl a u n;e tosr dt,t1 aln tt,tilTe ry't qlm EJBrown Planthopper Outbreaks Situation in Thailand
{urur eiisrud'nd" mrYrurur oiruffn:') Quorur u[turtrf'')
Wantana Sriratanasuf.t' Srkuny" O*nritt) Jintana Chaiwong')
Abstract
Brown Planthopper (BPH), Nilaparuata lugens is an important insect pest of irrigated rice areas in
central and lower northern region of Thailand. The interviews of farmers in the outbreak areas of 6 provinces
during the wet season of 2010 found that the majority of the rice varieties grown in the severe outbreak
(Suphan Buri, Ang Thong and Chai Nat provinces) was Pathum Thani I (28-70%). Whereas in non-severeoutbreak areas (Phitsanulok, Nonthaburi and Nakhon Nayok provinces) about 26-75% of the farmers grew
Phitsanulok 2 and RD31 varieties. At that time, farmers in the outbreak areas applied insecticides which were
hazardous to living organisms in the rice ecosystem namely abamectin and cypermethrin both in form of
single and mixed applications. Mixed insecticides (38.4%) which composed of 2-6 types of pesticides were
applied more than single insecticide (26.06%). They also applied insecticides which induced resurgence of the
BPH population. ln addition, the efficacy of recommended insecticides and resistance monitoring of the
outbreak populations were determined. lt was found that under the massive BPH outbreaks situation, most of
recommended insecticides are not effective. Although the yield had a statistical difference from unsprayed
plot but the return was uneconomical. The farmers had to spray at least 3 times per crop in order to protect
their plants and got the yield higher than non-spray plot about '100-1 10 kg/rai. Most of the BPH populations
showed resistant to recommended insecticides. Besides, BPH population collected from 75-81 locations in 16
provinces could feed on not only the rice varieties which carry resistant gene Bph1, bph2, Bph3 and bph4 but
also the certified varieties namely RD23, RD29, CNT1, PTT1, SPR1, SPR3, SPR60, SPR90 and PSL2.
Occurrences of massive BPH outbreak may result from the genetical diversity of the BPH even in the same
population. The intrinsic factor of the insect itself then causes the continue outbreak of the BPH. However, the
severity of outbreak can be stimulated by farmer's insecticide application behaviors.
Keywords : brown planthopper, outbreak situation in Thailand, resistant variety, insecticide application, insect
adaptibility
uvrfro daX r dZ at u
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ry nirrin?,i'runvfi'euurrirr n:runr:rir': rrooq6'n: ni.irnililHluo: 'l0900Tvr:d'rnrvi o-zsrg-g140q9Bureau of Rice Research and Development, Rice Department, Chatuchak, Bangkok 10900 Tel.0-2579-8140
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Thai Rice Research Journal, Vol. 5 No. 1, January - June 2011
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Table 1 List of insecticides inducing the brown planthopper (BPH) resurgence
al pha-cypermeth rin (pyreth roid )
pyridafenth ion (organophosphate)
lamda-cyhalothrin (pyrethroid)
permethrin (pyrethroid)
B PMC+Al pha-cypermeth ri n
terbufos (organophosphate)
ch lorpyrifos (g ran u lar)
methomil (carbamate)
benfu racarb (carbamate)
etrim phos (organophosphate)
tetrafenphos (organophosphate)
triazophos (organophosphate)
cypermethrin (pyrethroid)
cyhalothrin L (pyrethroid)
esfenvarelate (pyrethroid )
buprofezi n +Cyhaloth rin
fen itroth ion +fenvalerate
bu profezi n+ Decameth ri n
qu inaphos (organophosphate)
cyanofen phos (organophosphate)
fenthoate (carbamate)
methyl parathion (organophosphate)
fonophos (orga nophosphate )
isazophos (organophosphate)
esfenvarelate (pyrethroid)
deltamethrin (pyrethroid)
fenvalerate (pyrethroid )
diazinon (organophosphate)
carbofu ran (carbamate)
ca rbosu lfa n +cypermeth ri n
endosulfan+BPMC
fenritrothion+BPMC
phosalon (organophosphate)
isozath ion (organophosphate)
salithion (organophosphate)
Source::Jirr (2542) ( ) =insecticidegroup
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Table 2 Percent of farmers grown popular rice varieties in the outbreak areas in wet and dry seasons during2009-2010
Variety* Chai Nat Suphan Buri Phitsanulok Nonthaburi Nakhon Nayok Ang ThongWS DS WS DS WS DS WS DS WS DS WS DS
PTTl
SPRl
SPR3
CNTl
PSL2
RD31
RD41
70.09 66.67
5.61 6.487.48 6.486 54 4.63
40.95 28.57
19.05 20.41
4.76 4.083.81 5.108,57 14.296.67 11.22
2.59 0.892.59 3.5713.79 11.6112.07 5.3649.14 59.820.86 3.57
0.67
8.72 5.370.67 2.680.67
73.83 75.17
6.67 4.812.86 0.966.67 10.58- 1.92
15.24 17.31
29.52 26.92
2.86 3.85
62.07 65.66- 1.01
1.72 1.01- 1.01
24.14 25.25
* CNT1 (Bphl) released in 1993 SPR1 (bph2) released in 1994 PTTI (Bph1, bph2) released in 2000PSL2 (Bph3) released in 2000 SPR3 (1R68 . Bph3, bph$ released in 2006RD31 (Bph1, bph2) released in2007 RD41 (bph2) released in 2009WS = wet season, DS = dry season
Table 3 Percent of insecticide application for controlling BPH of the farmers ii-r th" severe outbreak areasduring 2009-2010
lnsecticide Application (%)
Phitsanulok Chai Nat Suphan Buri Ang Thong Nonthaburi Nakhon Nayok Average
abamectin
cypermethrin*
dinotefuran"*
chlorpyrifos
Single
Mixture (2 type)
Mixture (3 type)
Mixture (a type)
Mixture (5 type)
Mixture (6 type)
13.11
8.40
7.99
8.40
34.97
19.67
12.91
4.10
0.82
0.61
2.86
0,44
2.42
7.71
24.45
44.49
14.32
5.29
0.44
0
26.91
7.64
5.45
3.64
25.45
30.18
5.09
1.09
6.97
0
3.70
1.74
15.25
48.15
20.26
7.63
0.44
0
1.49
4.09
5.76
0
44.61
42.94
4.09
2.42
0.19
0.19
6.36
10.31
3.51
0.88
11.64
45.39
21.27
4.17
0
0
9.62
6.18
4.80
4.48
26.06
38.47
12.9
4.12
0.47
0.40
0
0
*inducing resurgence, ""recommended, mixture : herbicide, fungicide, insecticide, hormone
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Table 5 Percent efficacyt)of recommended insecticides for controlling BPH in the massive population outbreakareas at Si Prachan, Suphan Buri province in dry season 2010
Treatment
Appl. rate
(9, ml/20 I
water)
After 1" "ppl.
After 2"0 appl. After 3'o appj
7 DAS 15 DAS 7 DAS 15 DAS 7 DAS 15 DAS
Yield
(kg/rai)
buprofezin (Applaud 1 0%WP)
bu profezi n + isoprocarb
(Applaud 1 O%WP+Mipcin 50%WP)
etofenprox (Trebon 1 0%EC)
ethiprole (Curbix 1 O%SC)
thiamethoxam (Actara 25%W G)
dinotefuran (Starkle 1 O%WP)
clothianidin (Dantaosu 1 6%SG)
carbosulfan (Posse 20%EC)
buprofezin (Napam 25%WP)
imidacloprid
Untreated
25 g -12.6 36.18
25 g 9.26 23.7420 ml 10.47 49.2540 ml 27.78 78.89
2 g -22.06 10.4715 g 14.49 11.289 g -27.05 -26.24
1 10 ml ',l9.65 35.8130 g 10.95 25.4515 ml 10.47 -5.13
43.62 1.26
-22.80 21.34
37.64 32.6474.18 17.15-68.64 -14.64
-96.93 -4.18-115.78 -52.30
-46.88 20.50
29.38 56.07-92.28 31.80
-13.04 19.89 266.35 b
8.70 20.1756.52 26.99
34.78 13.3539.1 3 13.3534.78 20.7 44.35 -19.8926.09 46.5939.13 32.1030.43 '15.34
306.40 ab
358.55 a
350.80 a
258.08 b
283.85 ab
247.15 b
2B3.BB ab
302.23 ab
244.73 b
242.30 b
1) o/o Efficacy = Qa--Ta x 1ooCa
(Abbott formula)
Ca = No. of BPH after treatment in untreated plot
Ta = No. of BPH after treatment in treated plot
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Thai Rice Research Journal, Vol. 5 No. 1, January - June 201186
Burea
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Table 6 lnsecticide resistance level of BPH populations collected from different outbreak areasdetermined during 2009-2010
lnsecticide Province tDuo (Fo/o) Heterogeneity *"t'tltl:: Resistance revetratio (RR) '
fenobucarb
ethofenprox
I
ethiprole
thiamethosam
dinotefuran
clothianidin
imidacloprid
Phitsanulok
Chai Nat
Suphan Buri
Ang Thong
Nakhon Nayok
Chachoengsao*
Suphan Buri
Ang Thong
Nonthaburi
Nakhon Nayok
Chai Nat*
Suphan Buri
Nonthaburi
Nakhon Nayok
Chai Nat*
Suphan Buri
Phichit.
Phitsanulok
Nonthaburi
Nakhon Nayok
Chai Nat*
Chai Nat
Suphan Buri
Nakhon Nayok
Phitsanulok*
Phitsanulok
Chai Nat
Suphan Buri
Ang Thong
Nonthaburi
Nakhon Nayok
Nakhon Ratchasima*
1.494
0.634
11.924
1.416
1.701
0.'159
5.356
1.878
2.164
'1 .815
0.946
2.713
0.052
0.911
0.017
0.647
0.056
0.093
0.235
0.032
0.020
1.906
0.714
0.693
0123
2.073
3.1 53
7.211
0.507
5.269
0.710
0.1 69
0,860
1.57
0.684
0.52
0.768
0.940
0 363
0,599
0.917
0.117
1.017
0.758
0.857
0 260
2.748
0.960
0.270
0.839
0.920
2.049
0.410
1.111
1.070
0.920
0.880
0.497
0.228
0.415
2.250
0.666
0.564
2.070
9,4
4.0
75.0
8.9
10.7
5.7
2.0
2.3
1.9
159.6
3.1
53.6
11.5
4.6
11.7
1.6
15.5
5.8
5.6
12.3
18.7
42.7
3.0
31.2
4.2
Slightly resistant
Non resistant
Resistant
Slightly resistant
Moderately resistant
Highly resistant
Non resistant
Non resistant
Non resistant
Highly resistant
Non resistant
Resistant
Moderately resistant
Non resistant
Moderately resistant
Non resistant
Slightly resistant
Slightly resistant
Slightly resistant
Moderately resistant
Moderately resistant
Resistant
Non resistant
Moderately resistant
Non resistant
* = susceptible population 1) Resistance ratio (Rn; = High LD_ /Lowest LD_ADB - lRRl Rice Planthopper Project guideline (2010)
RR = 0-5 (non resistant) RR = >5-10 (slightly resistant) RR = > 10-40 (moderately resistant)RR = > 40-100 (resistant) RR = > 100 (highly resistant)
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ril ur.f t u n r : vir n r u vt'u fiir r sir ur r ui:t : o .: fi n r et n I rq9dr r vt'ou u1 L! n y uuy r.irir,{'r n r*o :n ril n n 6.r atr utra ni fiUUn -r :t#r r r,t ni r yilu rn :: ar oir u r r uq r n il"'u flir r r o .: n n r :-Iuq9?o-urirrururmfi qiruru o rrlu{'[oi'uri nr23 (bph2),
n?29 (Bph3), nr31 (Bphl), fiilrrrru3 1 @ph2),nw::r*:-ri 3 (Bph3, bph4), sn::rxri go (Bph1),#trurvr 1 (Bph7), :Jntmfi tppnz) unrfi:*n*Inn 2
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q
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'r n :rT o o d# en n uo n ei r.l
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ft r.i'r s,r n un v Lrl.r'r ?r'r t Lui'lt . ra rir a6-9 1 . ? u, :'t r.:r u
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eir.: ru rfl , a::#r r?\ TTTTTaJTm un v tnir.:'[n: dr u3q rur.
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rJ o.r L?\ n I n:v Lo q Rur q1n LTa tfl u? tqr u tLflv L:o
tr.l ratn. t o rarir.lronar:#q6ir tur)
Heong, K.L. and K. Sogawa. 1994. Management
strategies for key insect pests of rice : critical issues.
pp. 3-1 4. ln '. P.S. Teng, K.L. Heong and K. Moody
(eds.) Rice Pest Science and Management. lRRl.
Los Banos, Laguna, Philippinnes.
Heong, K.L., K.H. Tan, C.P.F. Garcia, L.T. Fabellar and
Z. Lu.2010. Research Methods in Toxicology and
lnsecticide Resistance Monitoring of RicePlanthoppers. lnternational Rice Research lnstitute.
Los BanOs, Phippines. 101 p.
Jairin, J., K. Phengrat, S. Teangdeerith, A. Vanavichit
and T. Toojinda. 2007. Mapping of a broad-
spectrum brown planthopper resistance gene,
Bph3, on rice chromosome 6. Mol. Breed. 19 : 35-
44.
Thanyasiriwat, T., P. Pattawatang and E.R. Angeles.
2009. New biotypes of brown planthopper in
Thailand. (abstract), ln 6tn lnternational IPM
Symposium. Oregon, USA.
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Thai Rice Research Journal, Vol. 5 No. 1, January - June 2011
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94 Thai Rice Research Journal, Vol. 5 No. 1, January - June 2011
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l3lnernrltu:J:vrne runzufiorglrfiotrJiuutfiulffunr: Boonpradub, S. 2008. Enhancing maize productivity inU
:Jnnturir.rqorJu qi'ununr:zufinqr'r LLnrzunflo:Jtt?tuq..t post-rice environments in Thailand. tn : zaidi eti d d v o X- s/ ,"
tilOtilTUut?lU!nun.tT?t.t16.1 l.$Onqlnil U.tfiOqflnO.:fi:_t a/. (eds.) Proceedings of the 10'h Asian Regional
uIulrU10{;oLrnfitr,i':Jnnfit ttfil#it#au nn,,?1,, Maize Workshop, Makassar, lndonesia.nr:yfrur:Ji.: ufio:J:yrarigrnr:td'r.lr runyri.:tituqr-et.ro: chotiyarnwong, A' 1986' Varietal improvement of
n1TT31j't0lO,rrr^rdun:rleoftr.i'.rgrrn6noi'ru soybean for rice farming system and soybeanvarietal testing after rice in Thailand. Report of
- e) o o the Upland Crops Varietal lmprovement MonitoringIo n 6[1To'lil O06-a v aa 4r a 6: o a d d Tour. lnternational Rice Research lnstitute,
wqntE uuill,[flrFlT, LtlS t0ny6[.]14 LtnrolT.l qu?nu. 2526.
nr:ilfr:J:.:vl"ufn'r rrado.:tu:yrrrJnnfi t Philippines'q9(Unilrrn*fl:ernni rrarirur#rufir.:trari. rarir ga- Granados' G'' c' Kitbamroong' c' Tavarasook' M'
qvo'106. tu: Tru.r.rlbnr:mrururrgr'Jfr:rGnr:60.: .:ru chatasiri' P' Grudloyma'' s' chotichun' and s'av L a e , -: Boonpradab. 1994. Winter maize in paddy fieldsTo unr rra6 o.: eri.:fi 1 . 1T -14 l lqe6nr uu 2526. tu
,airrin.:'ruLnunrLrnyn'n:ninrsrrufio o.rfiurtrae.i :search conducted in Thailand in 1992-1994' A
v av d vl , , 4 u,o lvvlvse l\vvvll.4v v.nnr:-r-ui,.il'rffr'Li. 2s36. nr:ilnnfir'htuurrirr rrsr Progress Report' 26 p
Gomez, A.A. and K.A. Gomez. 1983. Multiple Croppingtnil:ynru. u6r1r. nRn: 66(2) : 154-155.
qs $
rr.::;rir o.fir*qTnn. u**. nRn: 59 (S) : 451 48 p'q ' ' Lantican, R.M. 1982. Desirable characteristics of upland454.
flr.rlu qr11:J:ro-u . 2s31. nr:^fisr#rrn6orqoud'.rfi loot for planting before and after wetland rice'
qs^s
'.fi:gr4lnn. u6[1r. nRn:61 (6) :531-534. Report of a workshop on cropping System
q
flr.Jt.rl lruil:y dy. zs+r. drrllrer'lituurmr.:rfiontrari Research in Asia' lnternational Rice Research
qo u a _ lnstitute,Philippines.
To.:[n]earn:'[yru. u6[1 . nRn: T1 (o) : 574-srT.
flilt.ru rru:J:ysiu . 2s4g.:Jnnrirrlnou#rurorirr'l:tri' Navarro' R's' 1986' Breeding technique forfield legumes
qU .UVlill' al vtoL:ny 1,000 nLnnfru. ilfll,r. nan:. 7g (5):54-
for the rice-based cropping systems in the
56. Philippines.pp.l49-160. ln:Reportof the Upland
flalt.ru q41:J:ro-'r, Lyr.r.r lernruuyi, LruqS trnyfii uny crops varietal lmprovement Monitoring Tour'
qu
u.rnr ll,,r3uyiu. 2532. n1:?10flor1t'uffit'liriou lnternational Rice Research lnstitute' Philippines'q
unvu#.:nr:yirur: nrullTuforn rRRr. rarir ag-toa. Pichitporn' s' and N' Potan' 1986' Varietal testing of
q
?ur:rr.:runr:#ruruurnr.:itrn'rrriorrirr"iofi r. upland crops in Thailand' pp' 77-93' /n : Reportd,v y a -. of The Upland Crops Varietal lmprovement
26-27 ilnrrFtaJ 2532, ru Ffl,{uxoul.lrril:silrtnn
0.fi:gilInn. - ' Monitoring Tour. lnternational Rice Research
d, d lnstitute, Philippines.o'r'rr n* oir:Jr.r . 2s21. #rrfiu?. u?1er?'uJrrnrrlu.r'r1.[q
o - oJ 2s21. notfitli n:ruitrnrrtn*nr. Villareal' R'L'' R's' Navarro' v'R' carangal and R'M'
t{n{lu?o ut
ufii ZA_g+. Lantican. 1985. Breeding for rice-based farming
systems. pp.9-22. /n : Proceeding of the workshopAVRDC. 1978. Progress Report. Asian Vegetable
on varietal improvement for Rice-Based FarmingResearch and Development Center, Sanhua,
Tainan, Taiwan, R.o.c. system' March 11-16' 1985 at Phitsanulok'Thailand.
AVRDC. 1980. Progress Report. Asian Vegetable
Research and Development Center, Sanhua,
Tainan, Taiwan, R.O.C.
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