CD Skripsi
Penggunaan Konsentrasi Filtrat Rimpang Jahe Merah (Zingiber Officinale Var. Rubrum) Terhadap Hama Ulat Bawang Merah (Spodoptera Exigua H.)
ABSTRACT
Spodoptera exigua H. is a pest on shallot plants. S. exigua pest control is
usually performed using synthetic insecticides, however the unwise of them use
can cause negative impacts to humans and the agricultural environment, then
necessitating alternative insecticides that are safer and environmentally friendly
such as Zingiber officinale var. Rubrum. The putpose of this reseach was to obtain
an effective concentration of red ginger rhizome filtrate in controlling pest
Spodoptera exigua H. Research conducted at experimental garden of the Faculty
of Agriculture, Riau Unviversity from September to November 2019.
Experiments were carried using a completely randomized design (CRD) with
5 treatments and 4 replications. The red ginger rhizome filtrate concentration
treatment used was 0 ml.l-1 water, 20 ml.l-1 water, 40 ml.l-1 water, 60 ml.l-1 water,
dan 80 ml.l-1 water. The rseult showed that the concentration of red ginger
rhizome filtrate 60 ml.l-1 water able to control pests S. exigua and can cause a total
mortality of 82,50% with an initial death time of 7 hours and lethal time 50 of
40,25 hours.
Keyword : Spodoptera exigua H., Zingiber officinale var.Rubrum, shallot
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