TROCAS GASOSAS E TEOR DE CLOROFILA EM FOLHAS SOMBREADAS DE PLANTAS JOVENS DE SERINGUEIRA

Autor:	Elenice de Cássia Conforto, Juliane Ribeiro Cavalcante, Regiane Peres Andreoli
Rok vydání:	2015
Předmět:	Horticulture Stomatal conductance Chlorophyll content Water stress Environmental science General Medicine General Chemistry Cultivar Carbon sequestration Water-use efficiency Photosynthesis Transpiration
Zdroj:	BRAZILIAN JOURNAL OF AGRICULTURE - Revista de Agricultura. 83:75
ISSN:	2318-2407 0034-7655
DOI:	10.37856/bja.v83i1.261
Popis:	Rubber trees have shown exceptional capacity for carbon sequestration, and the shadowed leaves realise the most part of it. This study aimed to compare the performance of the leaves of two cultivars (RRIM 600 and Fx 3864), both at the age of four years, during the dry seasons of 2004/05. The carboxilation efficiency keept the same level for both periods, while the water use efficiency increased during the driest season (2004). In this period, the lowest transpiration rate and stomatal conductance indicated a preventive response to water stress. The chlorophyll content and photosynthetic rate were higher than those reported by other studies, in both periods; however, during the least dry period, RRIM 600 showed a better performance than Fx 3864 concerning to these characteres.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::29a2b84361331ded9c5bef4dcdc234cb https://doi.org/10.37856/bja.v83i1.261 Zobrazit plný text záznamu