Kemampuan Merusak Hama Bunga Lada DICONOCORIS HEWEtTI DIST.

Deciyanto Soetopo, NFN Siswanto, Zulfiah Asnawi

Abstract


Damaging potency of pepper blossom lace bug Diconoris hewetti DIST (Hemiptera: Tingidae)

This study was carried out at the laboratory of the experimental garden, Petaling, Bangka from February to March 1985. The objective was to find out the damaging potency of pepper blossom lace bug, D. hewetti. A completely randomized design was used, with number of insect 1, 2 and 4 head/bunch and feeding period, 12 and 24 hours in 3 replications. From the result, of this study, showed that the insect was capable of damaging the pepper inflorescence seriously. In 12 and 24 haurs period of feeding, each bug was capable of inflicting 18.96% and 40.67% injury to pepper inflorescence respectively, consisting approximately 70 – 75 flowers/bunch. The increase injury was more than double, although the feeding period was only extenden 2 folds. However, the damaging ability of the individual bug decreased progressively as the bug number/bunch increased, and therefore, this insect could be regarded as solitary.


Keywords


Hama; Lada; Rempah; Diconoris hewetti Dist.

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References


DECIYANTO SOETOP. 1988.Fluktuasipopulasi Hama bunga lada (Diconocoris hewetti DIST), dan hubungannya dengan kerusakan Bunga, musim pembungaan sert curah hujan di Bangka.Makalah Seminar Bulanan Balittro Juni 1988( belum dipublikasikan).

KALSHOVEN, L.G.E. 1981. Pest pf Crops in Indonesia. PT. Ichtiar Baru-van Hoever, Jakarta. 701 p.

ROTHSCHILD, G.H.L. 1968. Notes on Diconocoris hewetti (DIST.) (Tingidae),a pest of pepper in sarawak (Malaysian Bornee). Bull. Entomol.Res. 58: 107 – 118.




DOI: http://dx.doi.org/10.21082/bullittro.v3n2.1988.68-71

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