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Recent Topics Posters

Mukhtar, Fatimah Batul [1], Mohammed , Maryam [2].

Cytokinins Effect on Nitrogen, Protein and Chlorophyll Contents of Cowpea[Vigna unguiculata(Walp)] .

In this study of cytokinins effect on nitrogen, protein and chlorophyll - content,two cowpea varieties, kanannado(local) and IT87KD -288(improved) were grown in farmyard manure fertilized(FYM) and non- fertilized soils. Foliar application of 200ppm benzyl amino purine(BAP) and 15% coconut milk(CM) were made in three doses. The control plants were neither treated with FYM or the hormones. Data were collected on nitrogen and protein contents of leaves and grains. Changes in chlorophyll were also monitored. It was found that plants from FYM fertilized soils and sprayed with 200ppm BAP and 15% CM accumulated greater nitrogen and protein in their leaves and grains. These were followed by plants from non- fertilized soils but similarly sprayed with the hormones. The level of chlorophyll declined as number of weeks after sowing increased. By 9weeks, plants from non- fertilized soils but sprayed with 15% CM and 200ppm BAP had greater chlorophyll. The levels of nitrogen. Protein and chlorophyll varied with variety and planting season. Greater contents were recorded in IT89KD- 288 and in the dry season. This study shows the efficiency of 200ppm BAP and 15% CM in mobilizing and transporting nitrogen from the source to the sink and its incorporation in protein synthesis. It implies that protein content may be enhanced by the combined treatments. It also suggests that chlorophyll degradation could be slowed down by the application of 15% CM and 200ppm BAP.


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1 - Bayero University,, Biological Sciences, Department of Biological Sciences,, Bayero University, P.M.B. 3011, Kano, Kano, P.M.B.3011, Nigeria
2 - Jigawa Research Station, Jigawa State, Nigeria

Keywords:
Cytokinins
Cowpea
protein
chlorophyll concentration.

Presentation Type: Recent Topics Poster
Session: P1
Location: Event Tent/Cliff Lodge
Date: Monday, July 27th, 2009
Time: 5:30 PM
Number: P1RT017
Abstract ID:1213


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