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Fall armyworm and neotropical cornstalk borer on sorghum and maize intercropped with legumes in Honduras
(IICA, San José (Costa Rica), 1994-04)
The effects of intercropped legumes on densities of Spodoptera frugiperda (FAW) and Diatraea lineolata (NCSB) on sorghum (Sorghum bicolor) and maize (Zea mays) were studied in central Honduras in 1986 and 1987. Sorghum and ...
Heat treatment for enhanced responsiveness of dorman axillary buds of pineapples
(IICA, San José (Costa Rica), 1994-04)
Explants 3-5 mm in diameter, consisting of dormant axillary buds and adjacent stem tissue, were excised from the stem region of the crown, disinfected, rinsed and immersed in distilled water at 60 deg C for 6 or 8 min ...
Delineation of agricultural systems in a major tropical area of cacao production (Barlovento, Venezuela) by means of multivariate analysis
(IICA, San José (Costa Rica), 1994-04)
Agricultural systems in the Barlovento Valley, a major tropical area of cacao (Theobroma cacao L.) production, were studied according to multivariate statistical methods based on factor analysis. Basic data of samples were ...
Assessment of different insecticides for the suppression of an outbreak of Leucoptera coffeella in Jamaica
(IICA, San José (Costa Rica), 1994-04)
Six insecticides were evaluated for the control of Leucoptera coffeella [Perileucoptera coffeella], in a coffee plantation in Western Jamaica. Nuvacron 40 [monocrotophos], Selecron 500 EC [profenofos], Trigard 75 WP ...