Browsing Department of Botany by Title
Now showing items 191-210 of 229
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Responses in dry matter production of NERICA to soil moisture stress
(CROP SCIENCE SOCIETY OF JAPAN, 2007)NERICA (new rice for Africa) developed by Africa Rice Centre (ARC) in West Africa has a reputation for high production under rainfed cultures. These genotypes have been widely adopted by farmers in West African countries ... -
Responses of ecosystem carbon dioxide fluxes to soil moisture fluctuations in a moist Kenyan savanna
(Cambridge University Press, 2010-11-01)act: Measurements were conducted within a fence-exclosure between February 2008 and July 2009 to investigate the influence of soil moisture on ecosystem CO2 fluxes in a Themeda irifl/idra-dominated grassland of a humid ... -
Responses of mango (Mangifera indica L.) root stock seedlings to water stress
(Asian Network for Scientific Information, 2007)The present studies were aimed at investigating the effect of different watering regimes on the gas exchange parameters (stomatal conductance, CO<sub>2</sub> assimilation and transpiration rates) and chlorophyll content ... -
Responses of slenderleaf rattlebox (Crotalaria ochroleuca) to water deficit
(2017)Water deficit affects plant growth and development thus affecting crop productivity. It is the major a biotic stress experienced in the vast semi arid and arid regions of Kenya and the world as a whole. Water deficit ... -
The role of wetlands in the changing ecophysiology and distribution of plant species: a comprehensive review
(2011)Wetlands are important ecosystems globally. Changes in plant species physiology, species composition, species distribution and phenology have occurred with changes and modifications of wetland ecosystems. This paper ... -
Root-Fusion Characteristic of Eucalyptus Trees Block Gully Development
(Scientific Research Publishing, 2013-08-28)Soil erosion by water resulting in gully formation is a common occurrence in western Kenya. Establishment of local and sustainable countermeasures to prevent gully development/expansion in western Kenya is an urgent issue. ... -
Roots spatial distribution and growth in bambara groundnuts (Vigna subterranea) and NERICA rice (Oryza sativa) intercrop system
(Asian Research Publishing Network (ARPN)., 2010)Intercropping offers advantages if well planned including improved soil fertility and yields. Bambara groundnuts have been shown to yield in low fertility soils and have been described as a complete food. NERICA rice has ... -
Salinity and temperature effects on CO2 assimilation in leaves of avocados.
(Academic Journals, 2010)Young avocado plants were cultured in a glasshouse and subjected to salt stress or were well watered at Maseno University between September 2003 and September 2004. Three-month-old avocado seedlings were grown in 4.5 L ... -
Sap Flow Dynamics and Responses to Grazing and Seasonal Changes in Soil Moisture for Acacia Ancistroclada and Comberatum Molle in a Kenyan Savanna
(Research Square, 2020-08-07)The Kenyan savanna, which is dominated by Acacia ancistroclada and Comberatum molle, has experienced notable changes in rainfall patterns and increased livestock grazing. A significant decrease in trees spread from 5 % to ... -
Seed dormancy and appropriate germination protocol for Vernonia galamensis (Asteraceae).
(Kenya Forestry Research Institute, 2009)ernonia galamensis (Cass.) Less., (Asteraceae) is a new potential industrial oil crop that originated in eastern and south-eastern parts of Ethiopia and is endemic primarily to East African countries. On a dry mass basis, ... -
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 ... -
Selection, design and implementation of economic instruments in the solid waste management sector in Kenya: The case of plastic bags
(University of Nairobi., 2005)The generation of solid waste has become an increasing environmental and public health problem everywhere in the world, but particularly in developing countries. The fast expansion of urban, agricultural and industrial ... -
Severity of Alternaria Leaf Spot and Seed Infection by Alternaria sesami (Kawamura) Mohanty and Behera, as Affected by Plant Age of Sesame (Sesamum indicum L.)
(Blackwell Publishing Ltd, 1999-07-01)Alternaria leaf spot incited by Alternaria sesami , was monitored to determine the effect of plant age on disease severity and seed infection by A. sesami in plots containing sesame accession SPS SIK 110 plants of five ... -
Soil fertility dynamics in Bambara groundnuts (Vigna Subterranea) and Nerica rice (Oryza Sativa) intercrop system in small holder farms in Western Kenya.
(Dynamic Network for Research Works, 2014)Agricultural production in Kenya has stagnated since 1980s resulting in malnutrition in over 89% of Kenya’s population. Food insecurity has been identified as the prime cause of malnutrition. Low agricultural productivity ... -
Soil Microbial Biomass, Microbial Population and Diversity in MaizeBanana Based Agroforestry System in Kisii County, Kenya
(2023-08-04)Soil microbes are involved in many important ecosystem processes including nutrient acquisition, biogeochemical cycling and soil aggregation. Soil microbial diversity affects the soil belowground dynamics and fate of ... -
Soil properties along a gradient from hillslopes to the savanna plains in the Lambwe Valley, Kenya
(Elsevier, 2015-12-01)Changes in land use and management strongly affect the physical and chemical properties of soils and their ecological functions. Especially, regions in East Africa have experienced dramatic land use changes in the past, ... -
Some members of genus Cassia (Senna): Their Ethnobotany, Potency and Prospects of Drug discovery
(mansapublishers, 2023-04-04)Plants from Cassia species have been used traditionally all over the world in the treatment of various diseases. Various compounds with diverse bioactivities have been isolated from the Cassia species. However, this has ... -
Some Pathogenic Bacteria Associated With Fresh and Smoked Nile Perch (Lates Niloticus) In Luanda Market, Vihiga County (Kenya).
(2017-07)Luanda market is located in Luanda town, Kenya. It lies 0° 0' 0" N and 34° 35' 0" E. While the Nile perch (Lates niloticus) a fresh water fish species introduced in Lake Victoria from the family latidae, order perciforme ... -
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] ... -
Sorghum and salinity: I. Response of growth, water relations, and ion accumulation to NaCl salinity
(Crop Science Society of America, 2004)Crops grown in salt affected soils may suffer from drought stress, ion toxicity, and mineral deficiency leading to reduced growth and productivity. The present study was conducted to determine how salinity affects growth, ...