Kemampuan Pemangsaan Pred a tor Kumbang Buas terhadap Hama Penggerek Bonggol Pisang

Ahsol Hasyim, - Harlion, H. Yasir

Abstract


Kumbang pred a tor Plaesius javanus dikoleksi dari pertanaman pisang di Bukittinggi dan Sitiung. Percobaan
dilakukan di Laboratorium Proteksi, Balai Penelitian Tanaman Buah Solok dari bulan April sampai Desember 2001,
menggunakan rancangan acak kelompok. Tujuan penelitian adalah untuk mengetahui kemampuan individu
pemangsaan pred a tor kumbang buas dalam mengendalikan hama penggerek bonggol pisang. Hasil penelitian
menunjukkan bahwa P. javanus dewasa dan larva dapat memangsa semua sta dia hama penggerek bonggol pisang
secara efektif. Setiap individu P. javanus dewasa dapat memangsa telur, larva instar 2, 3, 4, 5, serta pupa dan dewasa
berturut-turut 7 butir, 4,9; 3,9; 2,9; 2,9; 2,0; 2,0; dan 1,9 ekor/hari. Kemampuan memangsa individu larva P. javanus
relatif lebih tinggi dibandingkan dengan kemampuan memangsa individu dewasa P. javanus. Sedangkan kemampuan
memangsa individu P. javanus betina relatif lebih tinggi dibandingkan dengan P. javanus jantan. Pred a tor ini
mempunyai potensi untuk dikembangkan sebagai agens pengendali hayati di masa mendatang.
Kata kunci: Musa sp.; Plaesius javanus; Cosmopolites sordidus; Sta dia hama penggerek bonggol; Pemangsaan
AB STRACT. Hasyim, A., Harlion, and H. Yasir. 2004. Pred a tory rate of histerid bee tles on ba nana wee vil
borer. Pred a tory of histerid bee tles were col lected from ba nana field at Bukittinggi and Sitiung. This ex per i ment was
car ried out at lab o ra tory of In do ne sian Fruit Re search In sti tute from April to De cem ber 2001, used a ran dom ized block
de sign. The pur pose of this ex per i ment was to know the in di vid ual po ten tial of pred a tory bee tles, P. javanus to prey
ba nana wee vil borer. The re sults showed that adult and lar vae of P. javanus ef fec tively preyed ba nana wee vil borer,
Cosmopolites sordidus. Each in di vid ual of P. javanus adult was able to prey 7 pieces 4.9, 3.9, 2.9, 2.9, 2.0, 2.0, and 1.9
in di vid ual/day, re spec tively for egg, sec ond, third, fourth, fifth instar lar vae, pupa and adult. Pre da tion rate of individual
P. javanus lar vae was higher com pare to adult in con trolling ba nana wee vil borer. Pred a tory rate of in di vid ual fe -
male P. javanus was higher than the male. The pred a tor has a prom is ing po ten tial us age as bi o log i cal con trol agent in
near fu ture.

Keywords


Musa sp.; Plaesius javanus; Cosmopolites sordidus; Stages of ba nana corm borer; Pred a tory rate

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DOI: http://dx.doi.org/10.21082/jhort.v14n3.2004.p204-209

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