MEALYBUGS AND THEIR NATURAL ENEMIES DIVERSITY ON CASSAVA CROPS (MANIHOT ESCULENTA CRANTZ)

Fitri Nurmasari, S.Pd.Si, M.Si, Nurma MEALYBUGS AND THEIR NATURAL ENEMIES DIVERSITY ON CASSAVA CROPS (MANIHOT ESCULENTA CRANTZ). ICOLIB.

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Abstract

These recent two years, cassava production has been threatened by mealybugs invasion. Cassava mealybugs are
new pest that potentially decrease crop production, especially cassava. One of pest control towards mealybugs on
cassava is using their natural enemies like parasitoids, predators, and pathogens. This research conducted to
discover mealybugs and their natural enemies diversity on cassava crops. This research using direct observation
method with simple random sampling technique applied at four different locations in Banyuwangi. This research
was held on November 2014 until December 2014. The result showed that there are two specieses found at four
defined locations in Banyuwangi. Those two specieses are Paracoccus marginatus and Ferrisia virgata. The
highest diversity index was found at Glenmore, Sub District Glenmore (H’ = 2.47) and the lowest diversity index
was found at Sobo, Sub District Banyuwangi (H’ = 1.63). The highest average of P. marginatus was also found
at Glenmore, 28.65; while the lowest average of P. marginatus was found at Secang, 6.5. The highest average of
F. virgata population was also found at Glenmore, 13.6 and the lowest average of F. virgata population was
found at Secang, 1.3. There was only one mealybugs predator found in this research, Hemerobius spp. The
conclusion of this research are that mealybugs’ diversity index was put on medium category and there were two
specieses found, P. marginatus and F. virgata. Mealybugs natural enemies diversity was on low category, with
only one mealybugs predator found from Hemerobius spp species.

Item Type:	Article
Subjects:	Cek Plagiasi Jurnal
Divisions:	C. Fakultas Matematika dan Ilmu Pengetahuan Alam > Biologi
Depositing User:	perpus uniba admin
Date Deposited:	05 Mar 2021 08:35
Last Modified:	21 Jun 2022 06:21
URI:	http://repository.unibabwi.ac.id/id/eprint/485

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