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more general categories information about this item Biological Sciences Biological Sciences anatomy and morphology (70482) plant anatomy (36017) roots (8177) shoots (4008) biochemistry (102540) biochemical compounds (82890) hormones (4629) enzymes (23169) oxidoreductases (7593) nitrate reductase (229) biological properties and phenomena (31123) biological rhythms (443) circadian rhythm (260) botany (53088) plant biology (52661) plant anatomy (36016) roots (8177) shoots (4008) plant biochemistry (14569) plant growth substances (4827) cytokinins (402) plant hormones (3382) zeatin (137) endocrinology (4746) hormones and hormone-related substances (4737) hormones (4629) organisms (108862) plants (35960) Calendar Year Calendar Year Year (337475) 2009 (40843) Economics, Business and Industry Economics, Business and Industry products and commodities (80757) agricultural products (74894) plant products (54971) fruit products (9186) fruits (food) (8192) tropical and subtropical fruits (2450) pineapples (137) Natural Resources, Earth and Environmental Sciences Natural Resources, Earth and Environmental Sciences environment (10329) environmental factors (9465) photoperiod (924) photophase (66) Physical and Chemical Sciences Physical and Chemical Sciences chemical substances (129118) agrochemicals (13851) growth regulators (5072) plant growth substances (4827) cytokinins (402) plant hormones (3382) zeatin (137) biochemical compounds (82878) hormones (4629) enzymes (23169) oxidoreductases (7593) nitrate reductase (229) chemical compounds (78840) nitrogen compounds (16192) organic nitrogen compounds (14211) heterocyclic nitrogen compounds (10196) purines (1354) adenines (859) isopentenyladenine (63) zeatin (137) organic compounds (57444) heterocyclic compounds (16089) heterocyclic nitrogen compounds (10187) purines (1354) adenines (859) isopentenyladenine (63) zeatin (137) organic nitrogen compounds (14202) heterocyclic nitrogen compounds (10187) purines (1354) adenines (859) isopentenyladenine (63) zeatin (137) physics (54990) physical properties (32618) temperature (18106) night temperature (89) Plant Science and Plant Products Plant Science and Plant Products plants (35961) botany (53089) plant biology (52662) plant anatomy (36017) roots (8177) shoots (4008) plant biochemistry (14570) plant growth substances (4827) cytokinins (402) plant hormones (3382) zeatin (137) plant products (54974) fruit products (9187) fruits (food) (8192) tropical and subtropical fruits (2450) pineapples (137) Reference Types Reference Types Journal (337546) Taxa - Plantae Taxa - Plantae Magnoliophyta (59301) Liliopsida (16758) Poales (13185) Bromeliaceae (144) Ananas (53) Ananas comosus (48) Abstract of Article: Will be presented in next release Date Last Accessed: Accessed January 20, 2015 Title of Article: Thermoperiod affects the diurnal cycle of nitrate reductase expression and activity in pineapple plants by modulating the endogenous levels of cytokinins Author(s) of Article: Will be identified in next release Citation: Physiologia plantarum 2009 v.137 no.3 pp. 201-212 Click to View: (Click to View) Date of Publication: 2009 Location of Article: http://pubag.nal.usda.gov/pubag/article.xhtml?id=468026 Name of Publication: Physiologia plantarum Publishing Company: Will be identified in next release Accession Number: 96441