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103 results on '"Plants—Development"'

101. The Structure and Function of Plastids

Author

Robert R. Wise, J. Kenneth Hoober, Robert R. Wise, and J. Kenneth Hoober

Subjects
Cytology, Botany, Botanical chemistry, Plant physiology, Plants—Development
Abstract

This volume provides a comprehensive look at the biology of plastids, the multifunctional biosynthetic factories that are unique to plants and algae. Fifty-six international experts have contributed 28 chapters that cover all aspects of this large and diverse family of plant and algal organelles. The book is divided into five sections: (I): Plastid Origin and Development; (II): The Plastid Genome and Its Interaction with the Nuclear Genome; (III): Photosynthetic Metabolism in Plastids; (IV): Non-Photosynthetic Metabolism in Plastids; (V): Plastid Differentiation and Response to Environmental Factors. Each chapter includes an integrated view of plant biology from the standpoint of the plastid. The book is intended for a wide audience, but is specifically designed for advanced undergraduate and graduate students and scientists in the fields of photosynthesis, biochemistry, molecular biology, physiology, and plant biology.

Published
2007

102. Sensibilidade do algodoeiro ao cloreto de mepiquat em condições salinas.

Author

de Assis de Oliveira, Francisco, de Medeiros, José Francismar, Alves de Oliveira, Francisco Ronaldo, Teixeira de Oliveira, Mychelle Karla, and Freire, Alcione Guimarães

Abstract

Copyright of Revista Ciência Agronômica is the property of Revista Ciencia Agronomica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2012
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103. Sensibilidade do algodoeiro ao cloreto de mepiquat em condições salinas

Author

Oliveira, Francisco de Assis de, Medeiros, José Francismar de, Oliveira, Francisco Ronaldo Alves de, Oliveira, Mychelle Karla Teixeira de, and Freire, Alcione Guimarães

Subjects
Plantas-efeito do sal, Plants-salt effect on, Algodão, Plantas-desenvolvimento, Plants-development, Cotton
Abstract

Este trabalho foi realizado com o objetivo de avaliar o efeito de diferentes níveis de salinidade da água de irrigação e tratamento de sementes com regulador vegetal no desenvolvimento do algodoeiro. O delineamento experimental adotado foi inteiramente ao acaso, arranjados em esquema fatorial 5 x 2 com quatro repetições. Os tratamentos resultaram da combinação de cinco níveis de salinidade da água de irrigação (S1-0,5; S2-2,0; S3-3,5; S4-5,0 e 6,5 dS m-1) em sementes tratadas e não tratadas com regulador vegetal. As características avaliadas foram: número de folhas, área foliar, altura, massa seca do caule, das folhas e da parte vegetativa, área foliar específica e razão de área foliar. Houve interação entre salinidade e tratamentos de sementes com cloreto de mepiquat apenas para área foliar e razão de área foliar. Todas as demais características foram reduzidas com o aumento da salinidade da água de irrigação, com maiores reduções para área foliar (média de 65,8%) e massa seca da parte vegetativa (64%). O tratamento das sementes com cloreto de mepiquat afetou o desenvolvimento das plantas, independente da salinidade. This work was carried out to evaluate the effect of irrigation water at different salinity levels, and of seed treatment with plant growth regulator, on the development of the cotton plant. The experimental design used was completely randomized, arranged in a 5 x 2 factorial scheme with four replications. The treatments resulted from the combinations of five levels of salinity of the irrigation water (S1-0.5, S2-2.0, S3-3.5, S4-5.0 and 6.5 dS m-1) on seeds, both treated and not treated with growth regulator. The evaluated characteristics were: number of leaves, leaf area, height, dry mass of stems, leaves and vegetative parts, specific leaf area and leaf area ratio. There was an interaction between salinity and seed treatments with mepiquat chloride, but only for leaf area and leaf area ratio. All other characteristics decreased with the increasing salinity of the irrigation water, with greater reductions in leaf area (mean of 65.8%) and dry mass of vegetative parts (64%). Seed treatment with mepiquat chloride affected plant development, independent of salinity.

Published
2012

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