[JURNAL] Keanekaragaman Serangga pada Bunga Tomat (Lycopersicon esculentum Mill.) di Lahan Pertanian Organik

MOSI RETNANI FAJARWATI, TRI ATMOWIDI, DAN DORLY
Departmen Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam
Institut Pertanian Bogor

(diterima Juni 2009, disetujui Agustus 2009)

ABSTRACT

Insect Diversity On Tomato Flowers (Lycopersicon esculentum Mill.) in
Organic Agriculture. Study on the diversity of insect visitors on tomato
flowers were conducted at Bina Sarana Bakti (BSB) organic farm, Cisarua,
West Java. Diversity of insects were observed by observational method, an
10 m2 area of tomato plants in the morning, mid-day, and afternoon.
Observations were conducted during 20 days. Diversity of visiting insects
were analyzed by Shannon diversity and its evenness. Similarity of visiting
insects between time of observations were analyzed by Jaccard similarity
index. In organic farm, insect visitors of tomato plants consist of six orders
belonging to eight species. Insect visitors of tomato flowers were dominated
by Thrips sp. (Thysanoptera) and Hylaeus sp. (Hymenoptera). Hylaeus sp.
was a main pollinator of tomato plants. Diversity of insect visitors in the
morning and mid-day was higher than in the afternoon. Evenness of insect
visitors of tomato flowers between observation times were relatively equal.
KEYWORDS: Diversity, insect visitors, tomato, organic farm.



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