Biologi dan statistik demografi kutudaun Rhopalosiphum rufiabdominale (Sasaki) dan Tetraneura nigriabdominalis (Sasaki) (Hemiptera: Aphididae) di akar padi

Rhopalosiphum rufiabdominale (Sasaki) and Tetraneura nigriabdominalis (Sasaki) are aphid species found in the roots of rice plants. Information about the host range and biology of R. rufiabdominale...

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Autores principales:	Purnama Hidayat, Harleni Harleni, Yani Maharani, Hermanu Triwidodo
Formato:	article
Lenguaje:	EN ID
Publicado:	The Entomological Society of Indonesia 2020
Materias:	keperidian lama hidup populasi siklus hidup Zoology QL1-991
Acceso en línea:	https://doaj.org/article/5f23607ab802471b9aabfa923a94d518
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spelling	oai:doaj.org-article:5f23607ab802471b9aabfa923a94d5182021-12-02T06:22:15ZBiologi dan statistik demografi kutudaun Rhopalosiphum rufiabdominale (Sasaki) dan Tetraneura nigriabdominalis (Sasaki) (Hemiptera: Aphididae) di akar padi1829-77222089-025710.5994/jei.16.3.180https://doaj.org/article/5f23607ab802471b9aabfa923a94d5182020-01-01T00:00:00Zhttp://jurnal.pei-pusat.org/index.php/jei/article/view/142https://doaj.org/toc/1829-7722https://doaj.org/toc/2089-0257<p><em>Rhopalosiphum </em><em>rufiabdominale</em> (Sasaki) and <em>Tetraneura nigriabdominalis</em> (Sasaki) are aphid species found in the roots of rice plants. Information about the host range and biology of <em>R. </em><em>rufiabdominale</em> is relatively known than <em>T. nigriabdominalis</em>. This study aims to determine the biology and demographic statistics of <em>R. </em><em>rufiabdominale</em> and <em>T. nigriabdominalis</em> in the roots of rice plants. The aphids obtained from lowland rice roots in Leuwiliang, Bogor Regency were maintained and reared in Ciherang variety rice roots in the laboratory. Each individual of the 1st instar aphid nymph in the same cohort was infested into the roots of rice in 60 plastic containers for biological observations and statistical demographic variable data collection. Survivorship (l<sub>x</sub>), fecundity (m<sub>x</sub>), and the average number of nymphs born by adult every day at age (x) are used to calculate demographic statistical parameters. The results showed that the two species of the aphids have 4 nymph instars. Life cycle and longevity of <em>R. </em><em>rufiabdominale</em> were 4.98 days and 15.94 days with fecundity of 67.44 respectively, whereas the life cycle and longevity of <em>T. nigriabdominalis </em>were 5.25 days and 18.11 days with fecundity of 11.11 respectively. <em>R. </em><em>rufiabdominale</em> aphids have an intrinsic growth rate (r) of 0.46 days and a doubling time (DT) of 1.50 days, whereas <em>T. nigriabdominalis</em> has an intrinsic growth rate of 0.14 days and a doubling time of 4.99 days. The results of this study indicate that although the life cycle lengths of the two species are almost the same, the population of <em>R. </em><em>rufiabdominale</em> develops 3.5 times faster than <em>T. nigriabdominalis</em> and therefore <em>R. </em><em>rufiabdominale</em> has the potential to become an more important pest in rice plants.</p>Purnama HidayatHarleni HarleniYani MaharaniHermanu TriwidodoThe Entomological Society of Indonesiaarticlekeperidianlama hiduppopulasisiklus hidupZoologyQL1-991ENIDJurnal Entomologi Indonesia, Vol 16, Iss 3 (2020)
institution	DOAJ
collection	DOAJ
language	EN ID
topic	keperidian lama hidup populasi siklus hidup Zoology QL1-991
spellingShingle	keperidian lama hidup populasi siklus hidup Zoology QL1-991 Purnama Hidayat Harleni Harleni Yani Maharani Hermanu Triwidodo Biologi dan statistik demografi kutudaun Rhopalosiphum rufiabdominale (Sasaki) dan Tetraneura nigriabdominalis (Sasaki) (Hemiptera: Aphididae) di akar padi
description	<p><em>Rhopalosiphum </em><em>rufiabdominale</em> (Sasaki) and <em>Tetraneura nigriabdominalis</em> (Sasaki) are aphid species found in the roots of rice plants. Information about the host range and biology of <em>R. </em><em>rufiabdominale</em> is relatively known than <em>T. nigriabdominalis</em>. This study aims to determine the biology and demographic statistics of <em>R. </em><em>rufiabdominale</em> and <em>T. nigriabdominalis</em> in the roots of rice plants. The aphids obtained from lowland rice roots in Leuwiliang, Bogor Regency were maintained and reared in Ciherang variety rice roots in the laboratory. Each individual of the 1st instar aphid nymph in the same cohort was infested into the roots of rice in 60 plastic containers for biological observations and statistical demographic variable data collection. Survivorship (l<sub>x</sub>), fecundity (m<sub>x</sub>), and the average number of nymphs born by adult every day at age (x) are used to calculate demographic statistical parameters. The results showed that the two species of the aphids have 4 nymph instars. Life cycle and longevity of <em>R. </em><em>rufiabdominale</em> were 4.98 days and 15.94 days with fecundity of 67.44 respectively, whereas the life cycle and longevity of <em>T. nigriabdominalis </em>were 5.25 days and 18.11 days with fecundity of 11.11 respectively. <em>R. </em><em>rufiabdominale</em> aphids have an intrinsic growth rate (r) of 0.46 days and a doubling time (DT) of 1.50 days, whereas <em>T. nigriabdominalis</em> has an intrinsic growth rate of 0.14 days and a doubling time of 4.99 days. The results of this study indicate that although the life cycle lengths of the two species are almost the same, the population of <em>R. </em><em>rufiabdominale</em> develops 3.5 times faster than <em>T. nigriabdominalis</em> and therefore <em>R. </em><em>rufiabdominale</em> has the potential to become an more important pest in rice plants.</p>
format	article
author	Purnama Hidayat Harleni Harleni Yani Maharani Hermanu Triwidodo
author_facet	Purnama Hidayat Harleni Harleni Yani Maharani Hermanu Triwidodo
author_sort	Purnama Hidayat
title	Biologi dan statistik demografi kutudaun Rhopalosiphum rufiabdominale (Sasaki) dan Tetraneura nigriabdominalis (Sasaki) (Hemiptera: Aphididae) di akar padi
title_short	Biologi dan statistik demografi kutudaun Rhopalosiphum rufiabdominale (Sasaki) dan Tetraneura nigriabdominalis (Sasaki) (Hemiptera: Aphididae) di akar padi
title_full	Biologi dan statistik demografi kutudaun Rhopalosiphum rufiabdominale (Sasaki) dan Tetraneura nigriabdominalis (Sasaki) (Hemiptera: Aphididae) di akar padi
title_fullStr	Biologi dan statistik demografi kutudaun Rhopalosiphum rufiabdominale (Sasaki) dan Tetraneura nigriabdominalis (Sasaki) (Hemiptera: Aphididae) di akar padi
title_full_unstemmed	Biologi dan statistik demografi kutudaun Rhopalosiphum rufiabdominale (Sasaki) dan Tetraneura nigriabdominalis (Sasaki) (Hemiptera: Aphididae) di akar padi
title_sort	biologi dan statistik demografi kutudaun rhopalosiphum rufiabdominale (sasaki) dan tetraneura nigriabdominalis (sasaki) (hemiptera: aphididae) di akar padi
publisher	The Entomological Society of Indonesia
publishDate	2020
url	https://doaj.org/article/5f23607ab802471b9aabfa923a94d518
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Biologi dan statistik demografi kutudaun Rhopalosiphum rufiabdominale (Sasaki) dan Tetraneura nigriabdominalis (Sasaki) (Hemiptera: Aphididae) di akar padi

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