RICE BROWN PLANT HOPPER IN INDONESIA. Y. Andi Trisyono

(1)

RICE BROWN PLANT HOPPER IN

INDONESIA

Y. Andi Trisyono

Department of Crop Protection

Faculty of Agriculture, University of Gadjah Mada

Yogyakarta 55281, Indonesia

LEGATO Conference

(2)

Topics of Discussion

• History and recent outbreak of

BPH

• Research on the impacts of

insecticide on BPH and its natural

enemies

(3)

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200,000

300,000

400,000

500,000

600,000

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800,000

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HISTORY OF BPH IN INDONESIA

(4)

Farmer Field School of Integrated Pest

Management (FFS-IPM)

(5)

DIAMAGE DUE TO BPH IN 2010

(6)

0 kilometers 250 500

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0°N 10°S 100° E 110° E 120° E 130° E 140° E Maluku Utara Maluku Utara Maluku UtaraMaluku UtaraMaluku UtaraMaluku UtaraMaluku UtaraMaluku UtaraMaluku Utara

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Kisaran Serangan (Ha)

WBC_TH.2011 100,000 to 146,548 (1) 5,000 to 100,000 (4) 100 to 5,000 (8) 1 to 100 (17) 0 to 0 (3)

Damage due to BPH in 2011 in Indonesia

BALAI BESAR PERAMALAN ORGANISME PENGGANGGU TUMBUHAN

2009: 47.473 ha

2011: 218.060 ha

Outbreak

of BPH in

2012

(7)

Two main factors contributing

to the recent outbreaks

• Insecticide misuse causing

resistance and resurgence

• Planting susceptible varieties:

hybrid and local variety

(8)

Insecticides registered for BPH

Description

2002

2011

No. pesticides registered

813 2247

No. insecticides registered

for BPH

48

139 No. formulations with a.i.

imidacloprid for BPH

4

26 No. formulations with a.i.

fipronil for BPH

1

6 No. formulations with a.i.

deltamethrin for BPH

0

1

(9)

Resistance of Field-Collected

Populations of BPH to Imidacloprid

Populations

Resistance Ratio (LC

50 , ppm)

Imidacloprid

Etiprol

Pati

70

1 Demak

>1579

1 Kudus

>1579

<1

Klaten – 1

>1579

5 Klaten – 2

>1579

1 Jember

281 <1

Susceptible

1 (0.145)

1 (1.90)

4/13/2013

9 (Trisyono et al. 2010)

(10)

Impacts of deltametrin on BPH and

its parasitoid

Anagrus nilaparvatae

• Sublethal exposure increased the

fecundity of BPH but reduced the

fecundity of the parasitoid

• The residue on plant decreased the

level of parasitism

• The odor disturbed the orientation

which finally decreased the searching

ability

(11)

11 Adult emergence of parasitoid Anagrus nilaparvatae

0

5

10

15

20

25

30

35

40

7.00

8.00

9.00

10.00

11.00

12.00

13.00

16.00 Waktu panen parasitoid (WIB)

La

ju pe

m

unc

ul

a

n pa

ra

s

it

oi

d (

%

)

Time

R

a

te

o

f

em

erg

en

ce (

%

)

(Meilin et al. 2012)

(12)

RESEARCH ACTION ON MANAGEMENT OF

BPH IN THE ENDEMIC AREA (KLATEN)

Background:

Farmers did not harvest rice from 2009-2010

(5 seasons) due to BPH

Group A

(ca 40 ha)

Group B

(ca 50 ha)

(13)

4/13/2013

13 Juwiran, Klaten: March-June

2011

(Dept. Crop Protection UGM, 2011)

BPH

Age (days after transplanting)

P

o

p

u

la

tio

n

p

er

ric

e h

ill

Group A: pesticides reduction from >20 to 4 times per

season with 75% yield, whereas Group B had no yield

(14)

Age (days after transplanting)

P

o

p

u

la

tio

n

p

er

ric

e h

ill

Juwiran, Klaten: August-October

2011

(Dept. Crop Protection UGM, 2011)

No pesticides application during the whole season.

Both group A and B had normal yield.

(15)

ACKNOWLEDGEMENT

Melhanah, Caca, Yani, Novi, Rinjani

Arlina, Muhayat, Sabar, Awaludin

Petrus, Yuni, Reni, Lis, Araz,

Hendra, Sriyanto, Witjaksono, Edhi

Martono, and Damayanti Buchori