Diversitas Laba-laba (Predator Generalis) pada Tanaman Kacang Merah (Vigna angularis) di Kecamatan Tompaso, Kabupaten Minahasa (The Diversity of Spider (Predator Generalis) in Kidney Bean (Vigna angularis) Plant Cultivated in Tompaso District, Minahasa R
Redsway TD Maramis
Abstract
Abstrak
Laba-laba (Araneae) adalah salah satu agen biologis yang sangat ampuh dalam pengendalian hama serangga pada ekosistem. Komposisi laba-laba yang dikumpulkan di kebun t anaman kacang merah terdapat 237 individu yang termasuk 19 genus, dan 10 famili . Hasil analisis indeks keanekaragaman laba-laba pada tanaman kedelai menunjukkan pada fase awal pertumbuhan tanaman atau pada pengamatan pertama adalah yang terendah (H'= 1,97), sedangkan tertinggi pada pengamatan kedua (H' = 2,97) , kemudian diikuti oleh pengamatan ketiga atau dalam fase pembuahan (H '= 2,68) .
Abstract
Sp i ders (Araneae) are one of the biological agents that are very potent ial for insect pest control i n the ecosystem. The number of spiders that are collected i n kidney bean p lant field is 237 and consisted of 19 genus and 10 families. The result of spider diversity index analysis i n kidney bean plant show ed on the first step of plants growt h or on the first observation are the lowest (H’ = 1,97), whereas the highest on the second observation (H’ = 2,97), then followed by the third observation or in fertilization phase (H’ = 2,68).
Keywords : s piders, d iversity, k idney bean
DOI:
https://doi.org/10.35799/jbl.4.1.2014.4840
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Copyright (c) 2014 Redsway TD Maramis
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Publisher: Department of Biology Faculty of Mathematics and Natural Sciences
Universitas Sam Ratulangi. Manado, North Sulawesi
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