Browsing Department of Botany by Title
Now showing items 197-216 of 228
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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, ... -
Sorghum and salinity: II. Gas exchange and chlorophyll fluorescence of sorghum under salt stress
(Crop Science Society of America, 2004-03)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] ... -
Sources, distribution, and risk assessment of organochlorine pesticides in Nairobi City, Kenya
(Elsevier, 2020-01-10)The distribution and sources of organochlorine pesticides (OCPs) in air and surface waters were monitored in Nairobi City using triolein-filled semipermeable membrane devices (SPMDs). The SPMDs were extracted by dialysis ... -
Spatial heterogeneity in ecosystem structure and productivity in a moist Kenyan savanna
(Springer Netherlands, 2011-05-01)Topographic variations and disturbances are key sources of spatial heterogeneity in the ecosystem and may influence its functioning, productivity, and carbon (C) storage. In water controlled ecosystems, structural and ... -
Striga infestation in Kenya: status, distribution and management options
(Canadian Center of Science and Education, 2013)Striga spp. is considered to be the greatest biological constraint to food production in sub-Saharan Africa, a more serious problem than insects, birds and plant diseases. They are among the most specialized root-parasitic ... -
A Study of Mushroom Diversity at Siriba Campus, Maseno University Maseno, Kenya
(BP International, 2022)About 3500 species of mushroom exist in the whole world. Examples being the ring mushroom, honey fungi, the poisonous amanita, the button mushrooms and the oyster white mushrooms among others. Before this study, no study ... -
The sustainability of new urban developments in Dubai
(Thomas Telford Ltd, 2013-04)Dubai, the second largest city of the United Arab Emirates, is a fast-growing hub with increasing need for infrastructure, housing and public facilities. Dubai is trying to market itself as an attractive holiday destination, ... -
SUSTAINABLE AGRICULTURE FOR FOOD, ENERGY AND INDUSTRY pp669-675 1998 James & James (Science Publishers) Ltd Changes in nitrogen related characters in German spring barley
(James & James Science Publishers, 1998)High costs of fertiliser and environmental implications like ground water pollution are causing a concern to the use of nitrogen. Therefore, the efficient use of nitrogen fertiliser is an important goal in plant breeding ...