Analisis kerusakan daun dan buah kelapa akibat serangan belalang Sexava

Sexava, the long-horned grasshopper, is an important pest of the coconut palm that destroys leaves and fruits. Study on analysis of damage to leaves and fruits of coconut palms due to being attacked by Sexava was aimed to determine the mechanism of...

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Autores principales:	F. X. Wagiman, Meldy L.A. Hosang, Fredy Lala
Formato:	article
Lenguaje:	EN ID
Publicado:	The Entomological Society of Indonesia 2020
Materias:	belalang sexav kelapa kerusakan mekanik talaud Zoology QL1-991
Acceso en línea:	https://doaj.org/article/ad4b27b62b2149d88eb5eaca9e54b9e6
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spelling	oai:doaj.org-article:ad4b27b62b2149d88eb5eaca9e54b9e62021-12-02T09:15:22ZAnalisis kerusakan daun dan buah kelapa akibat serangan belalang Sexava1829-77222089-025710.5994/jei.16.3.171https://doaj.org/article/ad4b27b62b2149d88eb5eaca9e54b9e62020-01-01T00:00:00Zhttp://jurnal.pei-pusat.org/index.php/jei/article/view/592https://doaj.org/toc/1829-7722https://doaj.org/toc/2089-0257<p><em>Sexava</em>, the long-horned grasshopper, is an important pest of the coconut palm that destroys leaves and fruits. Study on analysis of damage to leaves and fruits of coconut palms due to being attacked by <em>Sexava</em> was aimed to determine the mechanism of the damage. Visual in situ observations were carried out in Salibabu Island, Talaud Islands Regency, North Sulawesi Province, while histological and chemical analyses of attacked young fruits and observation of symptoms of the secondary disease were carried out in the laboratory. The results showed that the process of damage to coconut-palm leaves and fruits due to bitten by the <em>Sexava</em> occurs mechanically. Phytotoxic symptoms due to bites of the long-horned grasshopper and symptoms of the secondary disease were not observed. Fruit tissue with a thickness of several millimeters appears to dry out and die while the tissue near the wound appears normal. Reduced sugar levels, cellulose, and lignin, between healthy fruit tissues (1.22%, 2.72%, 5.66%) and those attacked (1.22%, 2.85%, 4.84%) were relatively the same. The attacked young-fruits will fall out while attacked fruits on bunches more than 3 months old still keep to grow and develop until ripe.</p>F. X. WagimanMeldy L.A. HosangFredy LalaThe Entomological Society of Indonesiaarticlebelalang sexavkelapakerusakan mekaniktalaudZoologyQL1-991ENIDJurnal Entomologi Indonesia, Vol 16, Iss 3 (2020)
institution	DOAJ
collection	DOAJ
language	EN ID
topic	belalang sexav kelapa kerusakan mekanik talaud Zoology QL1-991
spellingShingle	belalang sexav kelapa kerusakan mekanik talaud Zoology QL1-991 F. X. Wagiman Meldy L.A. Hosang Fredy Lala Analisis kerusakan daun dan buah kelapa akibat serangan belalang Sexava
description	<p><em>Sexava</em>, the long-horned grasshopper, is an important pest of the coconut palm that destroys leaves and fruits. Study on analysis of damage to leaves and fruits of coconut palms due to being attacked by <em>Sexava</em> was aimed to determine the mechanism of the damage. Visual in situ observations were carried out in Salibabu Island, Talaud Islands Regency, North Sulawesi Province, while histological and chemical analyses of attacked young fruits and observation of symptoms of the secondary disease were carried out in the laboratory. The results showed that the process of damage to coconut-palm leaves and fruits due to bitten by the <em>Sexava</em> occurs mechanically. Phytotoxic symptoms due to bites of the long-horned grasshopper and symptoms of the secondary disease were not observed. Fruit tissue with a thickness of several millimeters appears to dry out and die while the tissue near the wound appears normal. Reduced sugar levels, cellulose, and lignin, between healthy fruit tissues (1.22%, 2.72%, 5.66%) and those attacked (1.22%, 2.85%, 4.84%) were relatively the same. The attacked young-fruits will fall out while attacked fruits on bunches more than 3 months old still keep to grow and develop until ripe.</p>
format	article
author	F. X. Wagiman Meldy L.A. Hosang Fredy Lala
author_facet	F. X. Wagiman Meldy L.A. Hosang Fredy Lala
author_sort	F. X. Wagiman
title	Analisis kerusakan daun dan buah kelapa akibat serangan belalang Sexava
title_short	Analisis kerusakan daun dan buah kelapa akibat serangan belalang Sexava
title_full	Analisis kerusakan daun dan buah kelapa akibat serangan belalang Sexava
title_fullStr	Analisis kerusakan daun dan buah kelapa akibat serangan belalang Sexava
title_full_unstemmed	Analisis kerusakan daun dan buah kelapa akibat serangan belalang Sexava
title_sort	analisis kerusakan daun dan buah kelapa akibat serangan belalang sexava
publisher	The Entomological Society of Indonesia
publishDate	2020
url	https://doaj.org/article/ad4b27b62b2149d88eb5eaca9e54b9e6
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Analisis kerusakan daun dan buah kelapa akibat serangan belalang Sexava

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