Results 101 to 110 of about 1,109 (184)

Estimativa da temperatura-base para emissão de folhas e do filocrono em duas espécies de eucalipto na fase de muda Estimating base temperature for leaf appearence rate and the phyllochron in two eucaliptus species during seedling phase [PDF]

open access: yes, 2006
O desenvolvimento, incluindo a emissão de folhas, de culturas agrícolas e florestais depende fortemente da temperatura do ar. A emissão de folhas pode ser estimada e quantificada utilizando-se o conceito do filocrono, definido como o intervalo de tempo ...
Fabrina Bolzan Martins   +8 more
core   +1 more source

Modeling phyllochron in wheat and barley

open access: yes
An understanding of the effect of environment on phyllochron (degree-days between two successive leaves) is necessary to model cereal crop canopy growth.
Cao, Weixing
core  

Phyllochron and Growth Dynamic of \u3cem\u3eLolium perenne\u3c/em\u3e L. and \u3cem\u3eBromus valdivianus\u3c/em\u3e Phil. as Affected by Soil pH, Phosphorus and Nitrogen Restriction [PDF]

open access: yes
Permanent grasslands are the main food for livestock production systems in Southern Chile. Therefore, it is essential to develop management tools that optimize the use of pastures.
Alonso, M. F.   +2 more
core   +1 more source

Variability of phyllochron and dry matter accumulation in different wheat and barley genotypes [PDF]

open access: yes, 2016
Prinos zrna predstavlja jednu od najznačajnijih i najsloženijih osobina u oplemenjivanju biljaka. Poznavanje razvića, rastenja i akumulacije suve materije, omogućava pravilan odabir genotipova i odgovarajuće tehnologije gajenja.
Mirosavljević, Milan
core   +2 more sources

Use of a structural-functional plant model to assess the morphogenetical plasticity. How does variation in phyllochron impact plant growth and development of Brassica napus in the GreenLab model

open access: yes, 2012
Use of a structural-functional plant model to assess the morphogenetical plasticity. How does variation in phyllochron impact plant growth and development of Brassica napus in the GreenLab model. 4.
Mathieu, Amélie   +5 more
core   +3 more sources

Phyllochron Development in Cool-Season Forage Grasses

open access: yes
The purpose of this study was to evaluate the relationship between grass leaf insertion rate and accumulated growing degree-days, and determine the phyllochron for five perennial forage grass species and two cultivars of each species.
Frank, A B, Berdahl, J D, Karn, J F
core  

Características morfogênicas e estruturais de Trachypogon plumosus de acordo com a fertilidade do solo e o nível de desfolha Morphogenic and structural traits of Trachypogon plumosus according to soil fertility and defoliation level

open access: yesPesquisa Agropecuária Brasileira, 2013
O objetivo deste trabalho foi avaliar os efeitos de estações de crescimento, calagem, adubação e intensidade de desfolha nas características morfogênicas e estruturais de Trachypogon plumosus nos cerrados de Roraima.
Newton de Lucena Costa   +4 more
doaj  

Desenvolvimento vegetativo em diferentes hastes da planta de mandioca em função da época de plantio Vegetative development on different stems of cassava as a function of planting date

open access: yesCiência Rural, 2009
Estudos sobre o desenvolvimento vegetativo da mandioca cultivada nas condições subtropicais do Brasil são escassos. O objetivo deste trabalho foi determinar o filocrono e o número final de folhas na haste principal e nas ramificações simpodiais de uma ...
Lovane Klein Fagundes   +5 more
doaj  

Yield components and morphogenesis of Aruana grass in response to nitrogen supply

open access: yesScientia Agricola, 2004
Areas with Aruana grass (Panicum maximum Jacq.) in Brazilian pastures, especially those used by sheep, have expanded due to yield and morphological characteristics of this grass that are favorable to these animals.
José Lavres Jr.   +5 more
doaj  

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