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Rossetto,C. J.; Nagai,V.; Igue,T.; Rossetto,D.; Miranda,M. A. C. de. |
The preference for feeding in 5 soybean varieties of two species of leaf beetles, D. speciosa (Germar) and C. arcuata (Oliv.) (Coleoptera, Chrysomelidae) was tested at Campinas, State of São Paulo, Brazil, under greenhouse conditions, in a free choice type of experiment. Two Brazilian commercial soybean varieties Santa Rosa and Paraná, were compared with the PI 227 687, PI 229 358 and PI 171 451. The PI 227.687 was less preferred for feeding by D. speciosa than the commercial varieties and the other two PIs were intermediate. The C. arcuata leaf beetle showed a significant preference for young leaves of the variety Santa Rosa over the young leaves of PI 227.687, but in general there was no conspicuous feeding preference for the commercial varieties as much... |
Tipo: Info:eu-repo/semantics/article |
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Ano: 1981 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87051981000100017 |
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Nogueira,S.S.S.; Nagai,V.; Braga,N.R.; Novo,M. Do C.S.S.; Camargo,M.B.P.. |
An experiment to study the growing pattern of a chickpea variety, IAC-Marrocos, was carried out at the Monte Alegre Experimental Station, SP, during 1987 and 1988. The dry matter production of all parts of the plant, as well the leaf area index, were weekly evaluated. Exponential quadratic models of regression were adjusted to total dry matter, leaf dry matter and leaf area index, and a linear model to dry matter of grain. Based on the growth analysis it was concluded that the chickpea is a rustic eatable plant that can be recommended as an alternative winter crop for similar climatic conditions as those of the experiment. |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chickpea; Growing indexes; Yield. |
Ano: 1994 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90161994000300008 |
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