Now showing items 1-10 of 18
Assessment of genetic variation of selected spiderplant (Cleome gynandra L.) morphotypes from Western Kenya
(Academic Journals, 2009-06)
Effect of common wild crucifer species of Kenya on fitness of two exotic diamondback moth parasitoids, Cotesia plutellae and Diadegma semiclausum
Plutella xylostella is the most abundant and damaging pest of cruciferous crops in Kenya and has gained economic importance over the years. During a survey conducted in the major crucifer areas of Kenya a number of wild ...
Root rot resistance in new cassava varieties introduced to farmers in Nigeria
(Cambridge University Press, 2009-01)
In 2004 and 2005 through field trials in over 2500 locations in several agroecological zones, 40 new cassava varieties were introduced in Nigeria. The trials were managed by scientists, extension workers and farmers. The ...
Transfer and Development of Pasteuria Penetrans.
(The Society of Nematologists, 2007-03)
Pasteuria penetrans isolate P-20 has been attributed as the cause of soil suppressiveness to peanut root-knot nematode in Florida. In this study, P. penetrans was transferred from a suppressive site to a new site and ...
Comparison of physiological changes induced by three rhizobacteria that lead to systemic resistance against Fusarium wilt in tomato
(Pakistan Agricultural Scientists Forum, 2008-11-07)
The rhizobacteria isolates Pseudomonas fluorescens T58, Pseudomonas putida 53 and Bacillus sphaericus B43, selected after greenhouse tests for biological control of Fusarium wilt in tomato, were all able to induce systemic ...
Xanthomonas Wilt: A Threat to Banana Production in East and Central Africa
(American Phytopathological Society May 2009, Volume 93, Number 5 Pages 440-451, 2009-05)
Zeldia spannata sp. n. (Nematoda: Cephalobidae) from the Mojave Desert, California
(Journal of Nematode Morphology and Systematics, 2005)
Zeldia spannata sp. n. is described from the Mojave Desert, California. The new species shares with congeners a single guard process in each primary axil and asymmetrical triangular-shaped lips; it differs from them by the ...
Impact of an exotic parasitoid on Plutella xylostella (Lepidoptera: Plutellidae) population dynamics, damage and indigenous natural enemies in Kenya
(Cambridge University Press, 2007)
Diadegma semiclausum (Helle´n) (Hymenoptera: lchneumonidae), an exotic diamondback moth parasitoid, was released in two pilot areas (Werugha in Coast Region and Tharuni in Central Province) in Kenya. Fifteen month before ...
Intensive Subsistence Agriculture: Impacts, Challenges and Possible Interventions. Dynamic Soil, Dynamic Plant
Invited Mini-Review: Despite comprising of 10-80% of total phosphorus (P) in soil solution, little is known of the composition, transformations and loss of dissolved organic P (DOP). Once dissolved in solution, organic ...
Improving food production using ‘best bet’ soil fertility technologies in the Central highlands of Kenya
(Springer Netherlands, 2007)
Declining crop productivity is a major challenge facing smallholder farmers in central highlands of Kenya. This decline is caused by continuous cultivation of soils without adequate addition of external inputs in form of ...