This research is done in order to create the best strategy for Philips Lighting in the changing markets of recently. The goal is to create opportunities while the European legislation concerning the incandescent light bulbs forces the company to gradually remove all its incandescent lamps. The legislation …

In het kielzog van post-Sputnik curriculumvernieuwing in het middelbaar onderwijs in de Verenigde Staten werd ook ruim aandacht gegeven aan natuurwetenschap in de basisschool. Er werden interessante programma’s ontwikkeld met nadruk op hands-on science en onderzoekend leren (inquiry). Voorbeelden zijn …

Cost price efficiency is key in competing in the modern horticultural industry. Over the past four years I came to realize that bulb cultivation and the cultivation of bulb flowers is accompanied by major risks, as it is difficult to fine tune the product’s quality. Seasonal influences affect bulb growth, …

There are two aims of this thesis; one is selecting 2n pollen producers from F1 hybrids of T. gesneriana x T. fosteriana tulip hybrids crossing experiment. Furthermore, to test one year old tulip seedlings for ploidy levels of the F1 progenies in order to determine the result of the function of the 2n …