{"title":"Metabolic and morphological changes induced by gibberellic acid on spearmint","authors":"Edward E. Gonzalez, Gunnar Gjerstad","doi":"10.1002/jps.3030491211","DOIUrl":null,"url":null,"abstract":"<div><p>The influence of gibberellic acid on the growth of spearmint and on the production of the volatile oil has been studied. Spearmint plants treated once throughout their growth period with foliar sprays of gibberellic acid in a concentration of 50 p. p. m. displayed a 258 per cent increase in linear growth. The experimental plants developed a very thick, wood-like stem which had an extended xylem region and missing ribs. An increase in dry matter and a decrease in water content of the tissues were found. Gibberellic acid treatment decreased percentagewise the amount of volatile oil but did not alter its carvone content. The oil met all N. F. standards. A decrease in total chlorophyll content was found.</p></div>","PeriodicalId":100839,"journal":{"name":"Journal of the American Pharmaceutical Association (Scientific ed.)","volume":"49 12","pages":"Pages 782-785"},"PeriodicalIF":0.0000,"publicationDate":"1960-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/jps.3030491211","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the American Pharmaceutical Association (Scientific ed.)","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0095955315300111","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
The influence of gibberellic acid on the growth of spearmint and on the production of the volatile oil has been studied. Spearmint plants treated once throughout their growth period with foliar sprays of gibberellic acid in a concentration of 50 p. p. m. displayed a 258 per cent increase in linear growth. The experimental plants developed a very thick, wood-like stem which had an extended xylem region and missing ribs. An increase in dry matter and a decrease in water content of the tissues were found. Gibberellic acid treatment decreased percentagewise the amount of volatile oil but did not alter its carvone content. The oil met all N. F. standards. A decrease in total chlorophyll content was found.
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