growth analisys and assimilate partitioning in physalis plants under leaf fertilization intervals
análise de crescimento e partição de assimilados em plantas de fisalis submetidas a intervalos de adubação foliar

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ID: 180963
2013
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Abstract
The work was conducted in greenhouse and aimed to analyze the growth and partitioning of assimilates in Physalis peruviana subjected in intervals of leaf fertilization. The plants were collected at regular intervals of fourteen days after transplantation until the end of the cycle and determined the dry mass and leaf area. From the primary data analysis was applied to growth analysis and calculated the total dry matter production (Wt), rates of dry matter production (Ct), relative growth (Rw), net assimilation (Ea), leaf area index (L), relative growth of leaf area (Fa) and ratios of leaf area and leaf mass (Fw), specific leaf area (Sa) and dry matter partitioning between organs. Plants of Physalis peruviana subjected to leaf fertilization biweekly reached higher Wt, Ct, number of fruits and similar dry mass of fruits (Wfr) of plants subjected to foliar weekly application and higher Wfr compared to plants without application leaf of fertilization. Thus, the application of leaf fertilization provided benefits of growth and the partition of assimilates in Physalis peruviana plants.

O trabalho foi conduzido em casa de vegetação e objetivou analisar o crescimento e a partição de assimilados em Physalis peruviana submetida a intervalos de adubação foliar. As plantas foram coletadas a intervalos regulares de quatorze dias após o transplante até o final do ciclo e foram determinados a massa seca e a área foliar. A partir dos dados primários foi aplicada a análise de crescimento, sendo calculados a massa seca total (Wt), taxas de produção de matéria seca (Ct), crescimento relativo (Rw) e assimilatória liquída (Ea), índice de área foliar (L), razões de área foliar (Fa) e massa foliar (Fw), área foliar específica (Sa), partição de matéria seca entre órgãos e o número de frutos. Plantas de Physalis peruviana submetidas à adubação foliar quinzenal atingiram maior Wt, Ct, superior número de frutos e semelhante matéria seca de frutos (Wfr) a plantas submetidas à aplicação de adubação foliar semanal e superior Wfr em relação a plantas sem adubação foliar. Desse modo, a aplicação de adubação foliar proporcionou benefícios no crescimento e na partição de assimilados em plantas de Physalis peruviana.

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ped2013semina:growth Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Tiago Pedó;Tiago Zanatta Aumonde;Nei Fernandes Lopes;Francisco Amaral Villela;Carlos Rogério Mauch
Journal frontiers in neuroendocrinology
Year 2013
DOI
10.5433/1679-0359.2013v34n5p2247
URL
http://www.uel.br/revistas/uel/index.php/semagrarias/editor/submission/11169
Keywords
Agriculture (General)

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