Search
Now showing items 371-380 of 419
Evaluation of Melia volkensii extract fractions as mosquito larvicides
(1988)
A standardized fraction of Melia volkensii fruit kernel extract was tested against Anopheles arabiensis mosquito larvae. The LC50 in 48 hr was 5.4 micrograms/ml. At low concentrations this fraction had growth inhibiting ...
Cuticular lesions: a non-infectious integumental disease of Glossina species
(University of Nairobi., 1981-12)
Purified suspensions of macerated cuticular lesions from the insectary-reared tsetse Glossina morsitans morsitans were applied on laboratory-reared newly emerged teneral tsetse by three pathways: topical application on the ...
Sequential surveys for the pine woolly aphid, Pineus pini (L.) Homoptera: Adelgidae in Kenya
(1980)
Sequential survey procedures are described from Kenya for classifying the damage caused by the aphid Pineus pini (Gmel.) to Pinus patula. The criteria used are the degree of needle stunting caused by a given number of ...
Chinese and African Euphorbiaceae plant extracts: markedly enhancing effect on Epstein-Barr virus-induced transformation
(University of Nairobi., 1983-06)
Chinese and African Euphorbiaceae plant extracts were shown to have a markedly enhancing effect on Epstein-Barr virus (EBV)-induced transformation of human lymphocytes. When 5 X 10(5) cord blood lymphocytes were seeded ...
Haemocytes of Glossina—I. Morphological classification and the pattern of change with age of the flies
(University of Nairobi., 1981)
Three morphological classes of haemocytes (prohaemocytes, plasmatocytes and granulocytes) were observed in the haemolymph of Glossina morsitans morsitans and G. pallidipes. In addition to the three types, a category of ...