Disease pressure in a cowpea screening field in Kano, a Sudan Savanna region of Nigeria, was increased by early planting of spreader lines of cowpea varieties susceptible to bacterial blight incited by Xanthomonas vignicola. ...

A survey was conducted in the North Central Province (NCP) of Sri Lanka, during the South-West monsoon season (yala2) 1996, to study the crop management practices followed by farmers and the impact of such practices on ...

The quanti-qualitative nature of bacteria in the gut and casts of Lampito mauritii and Eudrilus eugeniae as influenced by different feeding substrates like soil, sawdust, pressmud and pressmud-sawdust mixture have been ...

Mass rearing technique of Dinarmus basalis and release of this parasitoid in an experimental room to determine its potential as a biological control agent, against a solitary larval-pupal parasitoid of the pulse weevil, ...

A post- emergence disease of rain-fed wheat (Triticum aestivum L.) encountered in Ibadan, South-Western Nigeria was investigated. The incidence of disease was 13.07% in 1993,20.81% in 1994 and 11.95% in 1995 on six wheat ...

Tomato cultures are under the constant threat of geminiviruses transmitted by the whitefly Bemisia tabaci. In the affected regions, yield losses often reach 100%. In Southeast and East Asia, as well as in many countries ...

The effect of the origin of explants from different zones of the source plants on in vitro axillary bud growth in rubber (Hevea brasiliensis Muell Arg.) was investigated. Both juvenile (seedling) and mature (clonal) plants ...

The influence of three ozone levels (control - 0 nl 0 311, 100 and 200 nl 0 311) were studied under controlled environmental conditions in sand culture and with five replicates. Elevated (100 and 200 nl 0 3 T) ozone levels ...