IDENTIFIKASI PENYAKIT YANG DISEBABKAN OLEH JAMUR DAN INTENSITAS SERANGANNYA PADA TANAMAN BUAH NAGA MERAH (Hylocereus polyrhizus) di KABUPATEN SIAK SRI INDRAPURA
ABSTRACT: Red dragon fruit
(Hylocereus polyrhizus) is a plant cultivated in RiauProvince especially Siak
district such as Tualang and Bunga Raya. However,productivity of dragon fruit
is still low because attacks of diseases infection. The aim of the research is
determine the diseases, the cause of the diseases and theirintensity caused by
fungi on the red dragon fruit plants. Based on the observation, the diseases
that infected the dragon fruit plants are anthracnose disease caused by Colletotrichum
sp., stem rot diseases by Sclerotium sp., and fusarium wilt byFusarium sp., and
orange spot diseases on fruit by Alternaria sp. The intensity of the disease
attacks the dragon fruit in Bunga Raya higher than in Tualang, i.e : 50% of
anthracnose disease, 60% stem of rot disease, 30% of layu fusarium, 17,5% of
orange spots on the fruit. While the intensity of the diseases in Tualang are
57.5% of anthracnose, 50% of stem rot diseases, 30% of fusarium wilt, and 15%
orange spots on the fruit.
Penulis: Fikriatul Faidah,
Fifi Puspita, Muhammad Ali
Kode Jurnal: jppertaniandd170455
