Siahaan, Parluhutan and ., Saroyo and Langoy, Marnix L.D. and Saimima, Arie
(2020)
Diversity of Pests and Natural Enemies in Rice Fields in Kiniar Village,
East Tondano District, North Sulawesi.
In: International Conference on Natural Sciences, Mathematics, Applications, Research, and Technology, 22-23 October 2020, Manado, Indonesia.
Abstract
Kiniar Village is located in Tondano Timur district, Minahasa Regency which is one of the rice
production sites. One of the problems in rice cultivation in this area is pest attack. Insect pest attack
is a serious problem that has caused large yield losses, resulting in large losses for farmers as well.
Pest attacks can be minimized if natural enemies are in abundance thus studying the abundance and
diversity of pests in comparison to the abundance of their natural enemies is important. Information
regarding the diversity and abundance of insect pests as well as the diversity and abundance of
natural enemies in the village of Kiniar can be used as an aspect of consideration in determining
the best way to control pests, especially control using local natural enemies.
The research was conducted from April 2020 to June 2020 by using purposive random sampling
method. Three rice fields were sampled with the same age of rice plants. Each rice field area is
made of 10 plots measuring 1x1 meter as a sampling area. Any insects and spiders found are taken
using a sweep net and then taken to the laboratory for identification. The collected insects and
spiders were analyzed to determine the diversity index, species abundance and dominance index
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