ANALISIS TINGKAT KERUSAKAN SERANGAN HAMA DAN PENYAKIT DIPERSEMAIAN BPDASHL INDRAGIRI ROKAN PEKANBARU

Abstract

The data collection technique was carried out by means of a census of 4 types of seeds (Karas, Kepayang, Jengkol and Petai), in each bed containing about 6000 seeds for each type. On the seeds of kepayang are whitefly or yellow lice, bagworms, ants. In jengkol seeds are bagworms and moths. On petai seedlings are moths. Diseases found in carrot seeds were powdery mildew, leaf spot, yellowing of the leaves. On kepayang seedlings are leaf spots and dry leaves. On jengkol seeds are necrosis, white fungus, yellow spots, black spots and dry leaves. Petai plant seeds are yellowed, brown and dry. The frequency of pest attacks on caras, kepayang, jengkol and petai seedlings was an average of 22.01%, including the category of mild damage. The frequency of disease attacks on karas, kepayang, jengkol and petai seedlings was on average 26.23% including the moderately damaged category. The intensity of pest attack on karas, kepayang, jengkol and petai seedlings on average was 17.88%, including the category of light damage. The intensity of disease attack on the seeds of karas, kepayang, jengkol and petai was an average of 22.77%, including the category of mild damage.