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Maize (Zea mays L.) hybrid with the Bt transgene from the bacterium Bacillus thuringensis (Bt) (DKC 3421 YG) and its non-Bt near-isoline (DKC 3420) as well as Polish cultivar Bosman (HR Smolice) were subjected to drought stress and/or the two-spotted spider mite (Tetranychus urticae, Acarina: Tetranychidae) feeding to assess changes in the relative water content (RWC) and dry weight (DW) in leaves...
Badania prowadzono w hali wegetacyjnej, w wazonach Mitscherlicha, w latach 2005 i 2006. Czynnikiem I rzędu były dwa genotypy grochu siewnego: Piast - forma wąskolistna o liściach częściowo przekształconych w wąsy i Rola - forma tradycyjna, normalnie ulistniona. Natomiast czynnikiem II rzędu była zróżnicowana wilgotność podłoża: 30% (W1) i 70% (W2) polowej pojemności wodnej (ppw). Nawożenie roślin...
In field trials in 2000 - 2007 in central Poland some soil cultivation practices were evaluated fro m the point of view of fruit yield and vegetative growth of highbush blueberry cv. ‘Bluecrop’. Plots were established with 5 rows with the following treatments in one row: (1) No treatment, (2) Soil pH adjusted to 4.5, (3) Incorporation of sawdust into the soil along the row, (4) Incorporation of sawdust...
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