EFEKTIVITAS EKSTRAK NIMBA DALAM PENGENDALIAN ULAT GRAYAK (Spodoptera litura F.) PADA TANAMAN SELADA

EFEKTIVITAS EKSTRAK NIMBA DALAM PENGENDALIAN ULAT GRAYAK (Spodoptera litura F.) PADA TANAMAN SELADA

Neem; Armyworm; lettuce

Effectiveness of Neem Extract in Controlling Armyworm (Spodoptera Litura F.) in  Lettuce Alfian Rusdy Fakultas Pertanian Unsyiah, Darussalam Banda Aceh ABSTRACT  Research objectives were to evaluate effectiveness of seed and leaf neem extracts at various concentrations in controlling armyworm in lettuce. Experimental design used was factorial completely randomized design, consisting of eight combinations of treatment with three replications. Factors examined were firstly neem extract of seed and leaf and secondly concentration of the neem extracts, which consists of four levels for each of the 5%, 10%, 15% and 20%.  Variables observed were mortality, percentage of pupa, percentage of imago, and intensity of damaged plants.   Results showed that use of seed and leaf extracts of neem plant can control armyworm (Spodoptera litura F.) in lettuce plants. Seed extract was more toxic than leaf extract of neem. The most effective concentration was 20 cc/100 ml solution (20%), followed by 15 cc (15%), 10 cc (10%), and 5 cc (5%).  

Rusdy, Alfian

Jurnal Floratek; Vol 4, No 1 (2009); 41 - 54

19072686

Universitas Syiah Kuala

2009-08-01

http://jurnal.unsyiah.ac.id/floratek/article/view/189/175

application/pdf

eng

info:eu-repo/semantics/article

info:eu-repo/semantics/publishedVersion

Peer-reviewed Article

http://jurnal.unsyiah.ac.id/floratek/article/view/189