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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
A simple method for estimating the end of effective flowering in upland cotton (Gossypium hirsutum)
Experimental Agriculture, Volume 43, No. 2, Year 2007
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Description
In cotton (Gossypium hirsutum), it is hard to determine the exact date when reproductive growth ceases on the basis of field observations, as compared to more visible factors such as the onset of flowering or boll opening. It is, however, essential to characterize the growth cycle in order to determine what varieties are suitable for planting in different climatic and local cropping conditions. We estimated the end of the effective flowering period on the basis of the opening date of the last flower giving rise to a first-position boll on fruiting branches (LFP1), and propose a simple method for estimating this date. This study, conducted in 2002 and 2003 at Okpara, Benin, involved a comparison of six cotton varieties planted at two different dates (June and July). Plants were monitored to determine the dates when flowers opened at each position on fruiting branches. The LFP1 indicator made a clear distinction between varieties. This highly heritable trait, which was found to be closely correlated with other earliness criteria, could be used to characterize the length of the growth cycle in cotton varieties. © 2007 Cambridge University Press.
Authors & Co-Authors
Sêkloka, Emmanuel T.
Benin, Cotonou
Institut National Des Recherches Agricoles du Benin
Lançon, Jacques
France, Paris
Cirad
Hau, Bernard
France, Paris
Cirad
Gozé, Eric
France, Paris
Cirad
Lewicki, Sylvie
France, Paris
Cirad
Thomas, Grégoire
France, Rennes
L'institut Agro Rennes-angers
Statistics
Citations: 6
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1017/S001447970600456X
ISSN:
00144797
e-ISSN:
14694441
Research Areas
Environmental
Sexual And Reproductive Health
Study Locations
Benin