Kari Molo Research Highlights

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Date
2008
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Kenya Agriculture Research Institute
Abstract
Pyrethrum Chrysanthemum cinerariaefolium a perennial plant is cultivated for its flowers, which contain insecticidal chemicals known as the pyrethrins. The pyrethrins are characterised by low mammalian toxicity, rapid knockdown effects, less chances of the target pest developing resistance and are highly biodegradable. Pyrethrum breeding programme aims at developing clones and varieties with higher flower yields, higher pyrethrins content, higher resistance to diseases and pests, good agronomic traits and that can grow in a wide range of environmental conditions through selection of superior clones and varieties. The clone breeding procedure starts with the selection of outstanding plants from genetically variable population obtained from seed of commercial varieties. The procedure consists of 5 (five) stages vis: single plant selection, single line observation, screening and replicated yield evaluations and adaptation tests.
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