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Now showing items 21-30 of 43
Relationship between leaf water status and varietal adaptation of
(East African Agricultural and Forestry Journal, 2008-09-15)
Field and greenhouse experiments were conducted to examine differences in leaf water status between bean cultivars from low and high rainfall areas of Kenya, and hence investigate the relationship between this parameter ...
Field transmission efficiency of Alternaria sesami in sesame from infected seed
(Elsevier, 2003-11-30)
Four sesame accessions with varying levels of susceptibility to Alternaria sesami were selected from an advanced germplasm collection of the Sesame Improvement Project to determine transmission efficiency of A. sesami from ...
Inheritance of resistance to the spotted stem borer, chilo partellus, in a maize population.
(Kenya Agricultural Research Institute, Nairobi (Kenya), 2006)
The spotted stem borer, Chilo partellus is an important insect pest of maize. It damages maize by feeding on the leaves and within the plant. Maize yield loss due to Chilo spp. Stem borer damage is estimated at 44 percent ...
Comparison of S2 and S2 X test cross evaluation for the selection in maize
(KARI, 2004)
S2 and S2 1testcross hybrid evaluation for one cycle of selection for resistance to the spotted stem borer, (Chilo partellus Swinhoe) and grain yield were made in an open-pollinated maize (Zea mays L) population (ICZ3) One ...
Sorghum and Salinity II. Gas Exchange and Chlorophyll Fluorescence of Sorghum under Salt Stress
(Wiley.com, 2004)
Photosynthetic activity decreases when plants are grown under saline conditions leading to reduced growth and productivity. Leaf growth, gas exchange, and chlorophyll fluorescence of two sorghum [Sorghum bicolor (L.) Moench] ...
δ13 values of the Centrospermeae species and their ecological implications in the semi arid conditions
(Asian Network for scientific infomation, 2008)
13C values of the Centrospermeae species are presented. 69.5, 28.45, 1.25 and 0.8% of the total species are C3, C4, C3-C4 and CAM photosynthetic species. The δ13C values are species dependent. δ13C values for the C3 range ...
Influence of region of production on clonal black tea chemical characteristics
(Elsevier, 2008-05-01)
Production of black tea from the same vegetatively propagated (VP) cultivars, in Kenya and Malawi, shows variations in both chemical composition and quality. Whereas it is possible to produce black teas with similar total ...
Water Hyacinth (Eichhornia crassipes) Management and Utilization in the Lake Victoria Region
(Department of Horticulture Jomo Kenyatta University of Agriculture and Technology, JKUAT, 2002)
Water hyacinth has long been perceived as a problem for shipping and fishing industries and only more recently as a
threat to bio-diversity. It can undergo rapid proliferation, forming dense mats of plants that cover water ...
A seedling inoculation test for screening Sesbania sesban for resistance to the seedling defoliator, Mesoplatys ochroptera
(Kluwer Academic Publishers, 2002-07-01)
The seedling beetle Mesoplatys chroptera is a serious pest of Sesbania sesban and other Sesbania spp.
that are important agroforestry species. Sesbania sesban was compared to Sesbania micrantha, Sesbania
goetzi and ...
Growth of avocado plants under saline conditions
(Taylor & Francis Group, 2007-12-13)
Avocado (Persea americana Mill.) is an important multipurpose tree crop. A study was conducted to investigate the growth and gas exchange characteristics of avocado seedlings growing under different salinity levels. Plants ...