Category: Plants

Bragantia vol.64 no.1 Campinas  2005

http://dx.doi.org/10.1590/S0006-87052005000100002

ÁREAS BÁSICAS

Estimação da área foliar do algodoeiro por meio de dimensões e massa das folhas(1)

Cotton leaf area estimates based on leaf dimensions and dry mass methods

José Eduardo B. A. MonteiroI, III; Paulo C. SentelhasI, IV; Ederaldo J. ChiavegatoII; Cristiane GuiseliniI, IV; Alailson V. SantiagoI, III; Angélica PrelaI, III

IDepartamento de Ciências Exatas, Setor de Agrometeorologia, ESALQ/USP. Caixa Postal 9, 13418-900 Piracicaba (SP), Brasil. E-mail: eduardo@esalq.usp.br
IIDepartamento de Produção Vegetal, ESALQ/USP
IIIBolsista CAPES
IVBolsista CNPq


RESUMO

O objetivo deste trabalho foi avaliar dois métodos de estimação da área foliar do algodoeiro, por meio de suas dimensões e massa seca das folhas. Foram utilizadas as cultivares IAC 23 e Coodetec 401. No método que utilizou dimensões, as folhas do algodoeiro foram agrupadas em novas, cordiformes e maduras.

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If you do not grow cucumbers, you have lost so much. Cucumbers are not only a popular vegetable but also a valuable food product. Cucumber consists of 95 – 97 % water and the most immature and the greener vegetables are – cucumbers are more tasteful and delicious. But how to grow a good crop of cucumbers?

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If you’ve ever been interested in the cultivation of fruit, you know that the question “Do I have to cut the leaves of strawberries?” is one of the most important for those gardeners who grow this crop.

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A scientist who studies plants repeatedly faced with a need to measure the leaf surface area. The most difficult task is to define complex leaves because the generally accepted scientific methods (contour method, weighting method, cutting method) have the greatest error.

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