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and Integrated Pest Management - part - usaid

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Table 2. Development <strong>and</strong> performance of action control thresholds (ACTs) for irrigated rice insect pests tested in farmers'<br />

fields in four sites. Philippines, 1982-86.<br />

<strong>Pest</strong>s ACT n Chemical Control M<br />

(kz a.i./ha) (%) t"'<br />

Whorl maggot + 10% damaged leaves 10 Monocrotophos EC (0.4) 1-2x 26<br />

green semi-looper 18 Dil zinon G (0.75) lx 28<br />

& hairy caterpillar<br />

10% damaged leaves (use of 7 SI Carbofuran G (0.5) lx<br />

41<br />

carlier planted fields as 15 Monocrotophos EC (0.4) 2x<br />

43 ><br />

indicator) 14 Deltamethrin<br />

Whorl<br />

(0.01-0.02)<br />

maggot<br />

1-2x<br />

C.5-1<br />

24<br />

eggA ill (use of earlier 18 Carbosulfan EC or isofenphos<br />

40<br />

planted fields, trap crop as SD (0.3) lx seedling root soak<br />

indicator 6 Monocrotophos EC (0.4) 1-2x 34<br />

Defoliators 10-15% damaged leaves 13 Monocrotophos EC (0.4) 1-2x 16<br />

(green semi-looper & with live larvae<br />

hairy caterpillar) 0.5-1 larva/hill 2 Monocrotophos EC (0.4)<br />

La.mffolders<br />

1-2x<br />

16<br />

10% damaged leaves<br />

2 Monocrotophos EC (0.4) lx<br />

5-10%<br />

56<br />

damaged leaves 15 Monocrotophos EC (0.4) 1x 11<br />

(use of indicator fields<br />

2 moths/20 meter row) 18 Monocrotophos EC (0.4) 1-2x 44<br />

5 Azinphos-ethyl EC (0.4) 1-2x<br />

0.5-1 live<br />

18<br />

larvae/hili 9 Monocrotohpos<br />

Stemborers<br />

EC (0.4) lx<br />

3-8%<br />

42<br />

deadhearts 11 Chlorpyrilos 20 + BPMC I IEC (0.4) 1-2x 14<br />

0.5-1 eggmasses/m 2<br />

0<br />

10 Chlorpyrifos 20<br />

Planthoppers<br />

+ BPMC IIEC (0.4) 1-2x<br />

15 hoppers/hill<br />

32<br />

7 BPMC 1 EC (0.4) x 34<br />

0.5 hopper/ti'!cr (nymphs) 8 BPMC EC (0.4) lx 46

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