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PATH ANALYSIS OF SOME LEAF CHARACTERS RELATED TO DOWNY MILDEW RESISTANCE IN MAIZE

AGRIVITA, Journal of Agricultural Science · Vol. 35 No. 2 (2013) · hlm. 167–173

DOI
10.17503/agrivita.v35i2.222
ISSN
2477-8516, 0126-0537
Terbit
2013-11-26
Penerbit
Faculty of Agriculture University of Brawijaya in collaboration with PERAGI
Bahasa
eng

Abstrak

This research was aimed at investigating both direct and indirect impacts, and heritability values of characters regarding the potential of corn production and resistance to downy mildew. The result of this investigation is required to determine some criteria taken into account for selection process of downy mildew-resistant corn breeding with high yield. The field experiment was conducted at Research Centre of Agriculture Faculty, Brawijaya University from January to April 2012. Five varieties of hybrid crown and five inbreeding lines were employed, and Randomised Block Design was applied with two replications. As observed, the characters held heritability ranging from average to high, except for heritability of length and width of stomata on the lower surface of the leaves which was categorised as low. Moreover, the stomata density found on lower surface of the leaves was directly and positively correlated to the intensity of attack by downy mildew, which, then, was used as criteria selection in downy mildew-resistance. The intensity of disease and the density of the stomata on lower surface of the leaves accounted for direct and negative correlation to corn production, while the length and diameter of corncob was responsible for direct and positive correlation to corn production. The betterment of corn production can be coped by improving the plant resistance to downy mildew and characters of corncob diameter.Keywords: path-analysis, corn, downy mildew

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  • Universitas Islam Negeri Ar-Raniry
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Abdul Latief AbadiAfiliasi tidak diketahui2
Luqman Qurata AiniAfiliasi tidak diketahui2
Doa El-AnsaryAfiliasi tidak diketahui1
Stefan HöferAfiliasi tidak diketahui1
Bambang DwiputraAfiliasi tidak diketahui1
Nantinee NualnimAfiliasi tidak diketahui1
Tatik WardiyatiAfiliasi tidak diketahui1
Nur AzizahAfiliasi tidak diketahui1
Karuniawan Puji WicaksonoAfiliasi tidak diketahui1
Edson BegliominiAfiliasi tidak diketahui1
Sudakir SudakirAfiliasi tidak diketahui1
Damanhuri DamanhuriUniversitas Islam Negeri Ar-Raniry1
Nurdini KhadijahAfiliasi tidak diketahui1
Cokorda JavandiraAfiliasi tidak diketahui1
Heru KuswantoroAfiliasi tidak diketahui1
D. M. ArsyadAfiliasi tidak diketahui1
Astanto KasnoAfiliasi tidak diketahui1
Arifin Noor SugihartoAfiliasi tidak diketahui1
Heri KustantoAfiliasi tidak diketahui1
Lilis SuryaniUniversitas Jambi1

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Sumber metadata: OAI-PMH (metadata jurnal) https://agrivita.ub.ac.id/index.php/agrivita/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">PATH ANALYSIS OF SOME LEAF CHARACTERS RELATED TO DOWNY MILDEW RESISTANCE IN MAIZE</dc:title>
	<dc:creator>Pudjiwati, Eko Hary</dc:creator>
	<dc:creator>Kuswanto, Kuswanto</dc:creator>
	<dc:creator>Basuki, Nur</dc:creator>
	<dc:creator>Sugiharto, Ariffin Noor</dc:creator>
	<dc:subject xml:lang="en-US"></dc:subject>
	<dc:subject xml:lang="en-US"></dc:subject>
	<dc:description xml:lang="en-US">This research was aimed at investigating both direct and indirect impacts, and heritability values of characters regarding the potential of corn production and resistance to downy mildew. The result of this investigation is required to determine some criteria taken into account for selection process of downy mildew-resistant corn breeding with high yield. The field experiment was conducted at Research Centre of Agriculture Faculty, Brawijaya University from January to April 2012. Five varieties of hybrid crown and five inbreeding lines were employed, and Randomised Block Design was applied with two replications. As observed, the characters held heritability ranging from average to high, except for heritability of length and width of stomata on the lower surface of the leaves which was categorised as low. Moreover, the stomata density found on lower surface of the leaves was directly and positively correlated to the intensity of attack by downy mildew, which, then, was used as criteria selection in downy mildew-resistance. The intensity of disease and the density of the stomata on lower surface of the leaves accounted for direct and negative correlation to corn production, while the length and diameter of corncob was responsible for direct and positive correlation to corn production. The betterment of corn production can be coped by improving the plant resistance to downy mildew and characters of corncob diameter.Keywords: path-analysis, corn, downy mildew  </dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Agriculture University of Brawijaya in collaboration with PERAGI</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2013-11-26</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://agrivita.ub.ac.id/index.php/agrivita/article/view/222</dc:identifier>
	<dc:identifier>10.17503/agrivita.v35i2.222</dc:identifier>
	<dc:source xml:lang="en-US">AGRIVITA Journal of Agricultural Science; Vol 35, No 2 (2013); 167-173</dc:source>
	<dc:source>2477-8516</dc:source>
	<dc:source>0126-0537</dc:source>
	<dc:source>10.17503/agrivita.v35i2</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/view/222/545</dc:relation>
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