Effects of cotton growth regulator on jassid infestation injury
Six upland cotton cultivars with different morphological characters were tested during the cotton growing season of 1998 to determine the changes in leaf characters due to plant growth regulator. Mepiquat chloride (cotton growth regulator) sprayed at first flowering stage reduced mid vein and hair lengths on lamina as well as on mid vein but increased lamina thickness and hair density on mid vein. Cotton growth regulator did not show significant effect on jassid infestation. Jassid injuries were higher in treated plots but the results were not significant. No interaction between cultivar and growth regulator spray was observed. Cultivar differences on jassid infestation and injury were highly significant. The cotton growth regulator mainly reduced the number of jassid eggs laid per leaf. However, mid vein shortening seemed to be more responsible for lowering egg deposition than changes in leaf hairiness.
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Subjects: | F62 - Physiologie végétale - Croissance et développement, H10 - Ravageurs des plantes, |
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dig-cirad-fr-5215162022-04-22T13:01:47Z http://agritrop.cirad.fr/521516/ http://agritrop.cirad.fr/521516/ Effects of cotton growth regulator on jassid infestation injury. Eittipibool Weerawan, Renou Alain, Chongrattanameteekul Wiboon, Hormchan Praparat. 2001. Kasetsart Journal. Natural Sciences, 35 (4) : 378-385. Researchers Effects of cotton growth regulator on jassid infestation injury Eittipibool, Weerawan Renou, Alain Chongrattanameteekul, Wiboon Hormchan, Praparat eng 2001 Kasetsart Journal. Natural Sciences F62 - Physiologie végétale - Croissance et développement H10 - Ravageurs des plantes Six upland cotton cultivars with different morphological characters were tested during the cotton growing season of 1998 to determine the changes in leaf characters due to plant growth regulator. Mepiquat chloride (cotton growth regulator) sprayed at first flowering stage reduced mid vein and hair lengths on lamina as well as on mid vein but increased lamina thickness and hair density on mid vein. Cotton growth regulator did not show significant effect on jassid infestation. Jassid injuries were higher in treated plots but the results were not significant. No interaction between cultivar and growth regulator spray was observed. Cultivar differences on jassid infestation and injury were highly significant. The cotton growth regulator mainly reduced the number of jassid eggs laid per leaf. However, mid vein shortening seemed to be more responsible for lowering egg deposition than changes in leaf hairiness. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/closedAccess http://catalogue-bibliotheques.cirad.fr/cgi-bin/koha/opac-detail.pl?biblionumber=182462 |
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F62 - Physiologie végétale - Croissance et développement H10 - Ravageurs des plantes F62 - Physiologie végétale - Croissance et développement H10 - Ravageurs des plantes |
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F62 - Physiologie végétale - Croissance et développement H10 - Ravageurs des plantes F62 - Physiologie végétale - Croissance et développement H10 - Ravageurs des plantes Eittipibool, Weerawan Renou, Alain Chongrattanameteekul, Wiboon Hormchan, Praparat Effects of cotton growth regulator on jassid infestation injury |
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Six upland cotton cultivars with different morphological characters were tested during the cotton growing season of 1998 to determine the changes in leaf characters due to plant growth regulator. Mepiquat chloride (cotton growth regulator) sprayed at first flowering stage reduced mid vein and hair lengths on lamina as well as on mid vein but increased lamina thickness and hair density on mid vein. Cotton growth regulator did not show significant effect on jassid infestation. Jassid injuries were higher in treated plots but the results were not significant. No interaction between cultivar and growth regulator spray was observed. Cultivar differences on jassid infestation and injury were highly significant. The cotton growth regulator mainly reduced the number of jassid eggs laid per leaf. However, mid vein shortening seemed to be more responsible for lowering egg deposition than changes in leaf hairiness. |
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F62 - Physiologie végétale - Croissance et développement H10 - Ravageurs des plantes |
author |
Eittipibool, Weerawan Renou, Alain Chongrattanameteekul, Wiboon Hormchan, Praparat |
author_facet |
Eittipibool, Weerawan Renou, Alain Chongrattanameteekul, Wiboon Hormchan, Praparat |
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Eittipibool, Weerawan |
title |
Effects of cotton growth regulator on jassid infestation injury |
title_short |
Effects of cotton growth regulator on jassid infestation injury |
title_full |
Effects of cotton growth regulator on jassid infestation injury |
title_fullStr |
Effects of cotton growth regulator on jassid infestation injury |
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Effects of cotton growth regulator on jassid infestation injury |
title_sort |
effects of cotton growth regulator on jassid infestation injury |
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http://agritrop.cirad.fr/521516/ |
work_keys_str_mv |
AT eittipiboolweerawan effectsofcottongrowthregulatoronjassidinfestationinjury AT renoualain effectsofcottongrowthregulatoronjassidinfestationinjury AT chongrattanameteekulwiboon effectsofcottongrowthregulatoronjassidinfestationinjury AT hormchanpraparat effectsofcottongrowthregulatoronjassidinfestationinjury |
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1758020271857467392 |