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Journal of Agricultural Science
Article . 2016 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Journal of Agricultural Science
Article
License: CC BY
Data sources: UnpayWall
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Effect of Striga hermonthica (Del.) Benth on Yield and Yield Components of Maize (Zea mays L.) Hybrids in Western Kenya

Authors: Peter Okoth Mbogo; Mathews Mito Dida; Barrack Owuor;

Effect of Striga hermonthica (Del.) Benth on Yield and Yield Components of Maize (Zea mays L.) Hybrids in Western Kenya

Abstract

<p><em>Striga hermonthica</em> (<em>Striga</em>) weed is widespread in Kenya, where it causes significant cereal crop losses, particularly when susceptible varieties are grown. The use of maize (<em>Zea mays</em> L.) genotypes that support reduced <em>Striga hermonthica</em> emergence can form an important basis for developing resistant cultivars. The objective of this study was to evaluate the response of diverse maize hybrids to <em>Striga</em> weed<em> </em>infestation and to identify high yielding and stable hybrids. Six experimental maize hybrids and three commercial hybrid checks (DK8031, PhB3253 and H513) were evaluated under <em>Striga</em> and <em>Striga</em> free conditions at Nyahera and Maseno in western Kenya in 2011 and 2012 growing seasons. The data collected included grain yields and other yield components; emerged <em>Striga</em> counts and <em>Striga</em> damage rating (on a scale of 1-5) at 8 and 10 weeks after planting (WAP). Significant differences (P &lt; 0.05) were observed in grain yield and yield components; emerged <em>Striga</em> counts and <em>Striga</em> damage syndrome in both years. Negative correlation (r) was observed between emerged <em>Striga</em> and yield as well as between <em>Striga </em>damage ratings and yield. Maseno experimental hybrids produced much better grain yields and were more stable compared to commercial varieties under <em>Striga</em> infestation and in <em>Striga</em> free fields. Deployment of the tolerant/resistant high yielding well adapted hybrids coupled with other management options such as rotation with legumes and cultural practices could possibly help in depletion of <em>Striga</em> seed bank in the soils in western Kenya. EH12 and EH14 maize hybrids were formally released for commercialization in the <em>Striga</em> endemic areas of western Kenya.</p>

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
gold