Results 21 to 30 of about 58,703 (187)
Analysis of leaf appearance, leaf death and phoma leaf spot, caused by Leptosphaeria maculans, on oilseed rape (Brassica napus) cultivars [PDF]
Development of phoma leaf spot (caused by Leptosphaeria maculans) on winter oilseed rape (canola, Brassica napus) was assessed in two experiments at Rothamsted in successive years (2003-04 and 2004-05 growing seasons).
Fitt, B. D. L. +4 more
core +1 more source
O filocrono é definido como o tempo necessário para o aparecimento de folhas sucessivas em um colmo, no caso de espécies da família das Poáceas. Através do filocrono, pode-se calcular o número de folhas acumuladas, o que é uma excelente maneira de ...
Nereu Augusto Streck +9 more
doaj +1 more source
A reliable system for the transformation of cantaloupe charentais melon (Cucumis melo L. var. cantalupensis) leading to a majority of diploid regenerants [PDF]
An efficient system of transformation leading to a majority of transformed diploid plants from leaf explants of Cucumis melo L. var. Cantalupensis (cv. Védrantais) was developed.
Roustan, Jean-Paul +4 more
core +1 more source
Desenvolveu-se este estudo com o objetivo de avaliar o acúmulo de forragem e as características morfogênicas e estruturais do capim-marandu submetido a combinações de alturas e intervalos de corte. O experimento foi realizado no período de agosto de 2003
Gelson dos Santos Difante +6 more
doaj +1 more source
Distribution characteristics of polycyclic aromatic hydrocarbons in Chinese flowering cabbage in different periods [PDF]
The purpose of this study is to investigate the distribution characteristics of polycyclic aromatic hydrocarbons (PAHs) in Chinese flowering cabbage at different growth stages, and provide reference for people's daily diet and production activities.
He Gangjian, Sun Qiaojian, Long Minghua
doaj +1 more source
Agrometeorological models for predicting seedlings development of two native forest species
Models of development are tools that connect the effects of development on the environment, allowing their applications in several studies. Nevertheless, studies are scarce on models of development for native forest species in Brazil. This study aimed to
Fabrina Bolzan Martins +2 more
doaj +1 more source
Evaluation of simple hand-held Mechanical systems for harvesting tea (Camellia Sinensis) [PDF]
Over an eight-year period, harvesting methods based on simple mechanical aids (blade and shear) were evaluated against hand harvesting on mature morphologically contrasting tea clones in Southern Tanzania.
Nixon, D. J. +5 more
core +1 more source
Avaliaram-se as características morfogênicas, fisiológicas e produtivas de espécies de Brachiaria, durante e após período de estresse hídrico. Os tratamentos foram arranjados em um esquema fatorial 4 x 5 quatro espécies de Brachiaria (B.
Jorge Luiz Schirmer de Mattos +2 more
doaj +1 more source
The objective of this experiment was to evaluate the morphogenetic traits and biomass accumulation of Brachiaria brizantha cv. Xaraés subjected to doses of N (0, 125, 250, 375 and 500 kg.ha-1 N).
Welton Batista Cabral +5 more
doaj +1 more source
Cardinal temperatures and thermal requirements for the initial development of two Brazilian native species [PDF]
: The objective of this work was to estimate the cardinal temperatures and to quantify the thermal requirements for the initial development of seedlings of the native tree species Citharexylum myrianthum and Bixa orellana.
Mábele de Cássia Ferreira +4 more
doaj +1 more source

