Browsing by Author "Cahyana, Widyastama"

Now showing items 1-2 of 2

Managing Tropical Rice Pests Through Conservation of Generalist Natural Enemies and Alternative Prey

Settle, William H. | Ariawan, Hartiahyo | Astuti, Endah Tri | Cahyana, Widyastama | Hakim, Arief Lukman | Hindayana, Dadan | Lestari, lifah Sri | Pajarningsih (1996)

The cultivation of tropical Asian rice, which may have originated 9000 yr ago, represents an agricultural ecosystem of unrivaled ecological complexity. We undertook a study of the community ecology of irrigated tropical ...
Pengaruh ekstrak bangle (zingiber cassumar roxb.) terhadap mortalitas telur dan larva serta beberapa aspek biologi plutella xylostella linnaeus (lepidoptera : yponomeutidae)

Cahyana, Widyastama | Manuwoto, Syafrida (1991)

Penelitian bertujuan untuk mengetahui pengaruh eks- trak bangle terhadap mortalitas telur dan larva serta be- berapa aspek biologi P. xylostella. Penelitian dilakukan di Laboratorium Fisiologi dan Toksikologi Serangga dan ...