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Análise do tamanho e da forma do ôvo em galinhas das raças Rhode Island Red e Light Sussex e do híbrido entre essas duas raças Anais da ESALQ
Graner,E.A.; Trivelin,A. P..
Size and shape in eggs of Rhode Island Red and Light Sussex breeds and in the hibrid Rhode x Sussex were studied. These characters are influenced by quantitative genes. Major and minor diameter were used for estimating size of the eggs and the ratio minor/major diameter for shape indice. It was found, in the material analyzed, that: a) the eggs laid by the sa- me chick are pratically uniform; b) the correlation coeficient between major and minor diameter is weak; c) Rhode Island Red has short eggs than Light Sussex; d) short eggs is dominant on long eggs; e) egg shape is the same in Rhode Island Red and Light Sussex breeds and different in the hibrid, which has rounder eggs than the breeds.
Tipo: Info:eu-repo/semantics/article
Ano: 1947 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0071-12761947000100024
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Estudos sobre a alimentação mineral do cafeeiro: XII. efeito da adubação na composição mineral das fôlhas Anais da ESALQ
Malavolta,E.; Graner,E.A.; Haag,H. P.; Sarruge,J.R..
Leaf samples from coffee plants under three different fertilizations, namely NPK, NP and PK, were collected for chemical analysis. It was found that the contents of N, K, Ca, Mg and S in the first, second, third and fourth pair of leaves were the same from the statistical point of view. On the onder hand, there was a significant effect of the position of the leaf in the branch on the P content, which was higher in the first pair. With the exception of the P level ,the four pairs of leaves are chemically uniform. Nevertheless it is not considered as convenient to mix all kinds of leaves into one sample, since the composition may vary a great deal when sampling is done some other time, such as the period of fruit growing. It is recommended therefore that...
Tipo: Info:eu-repo/semantics/article
Ano: 1964 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0071-12761964000100008
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Sombreamento dos cafezais IV - resultados de mais dois biênios: 1963/1964 - 1965/1966 Anais da ESALQ
Godoy Junior,C.; Graner,E.A..
This paper deals with data obtained in 1963, 1964, 1965 e 1966 in shaded and unshaded coffee plots at Piracicaba, São Paulo, Brazil. The results can be summarized as follows: a. the production, in shaded and unshaded plots, did not show differences statisticaly significant; b. the percentage of coffee berry borer infestations was higher in shaded plots as compared with unshaded ones; c. the percentage of green, ripened and dry fruits depends on the year and on the harvest time.
Tipo: Info:eu-repo/semantics/article
Ano: 1967 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0071-12761967000100001
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