• Cover page 

  Unknown author (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998)
• Contents 

  Unknown author (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998)
• Editorial Board 

  Unknown author (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998)
• Factors responsible for productivity of food legumes: Findings of a farmer survey in the Kurunegala district, Sri Lanka 

  Hettiarachchi, M.P.; De Costa, W.A.J.M.; Jayasekera, S.J.B.A. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-11-10)

  Food legumes are an important component in upland cropping systems of subsistence farmers in Sri Lanka. The objective of this study was to understand the factors responsible for the gap between potential yield and farmer ...
• Reaction of selected cowpea (Vigna unguiculata L. Walp) bfeedinglihcs to Xanthomonas campestrispv. vignicola 

  Amusa, N.A.; Okechukwu, R.U. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-10-15)

  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. ...
• Variability in Neovossia indica: Based on pathogenecity and isozyme analysis 

  Sharma, Indu; Nanda, G.S.; Kaloty, P.K. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-06-11)

  To identify variability in Neovossia indica in the fourteen isolates collected from different agroclimatic areas of Punjab, pathogenecity tests and isozyme analysis based on starch-gel electrophoresis were carried ...
• Present status of managing chilli leaf curl complex in the North Central Province of Sri Lanka 

  Dharmasena, C.M.D. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-06-25)

  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 ...
• Phenotypic and genetic trends of some reproductive traits in N'Dama herd at Fashola Stock Farm, Nigeria 

  Orheruata, A.M.; Olutogun, O. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-11-25)

  Age at first calving (AFC) and calving interval (CALINT) records of 1349 N’Dama dams reared at Fashola Stock Farm between 1947 and 1984 were analyzed. Estimated phenotypic trend was‘75±.02months/yr and -.003±07jdays/yr ...
• Predation of bacteria by Lampito mauritii (Kinberg) and Eudrilus eugeniae (Kinberg) reared in different substrates 

  Parthasarathi, K.; Ranganathan, L.S.; Anandi, V. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-06-12)

  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 ...
• Variation in egg and adult production of Callosobruchus maculatus (F.) and Callosobruchus chinensis (L.) and the effect of egg density and oviposition site limitation 

  Wijeratne, P.M. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-09-20)

  Variation in egg and adult production in Yemen and Brazil strains of C. maculatus and Indonesian strain of C. chinensis was investigated on cowpea {Vigna unguiculata (L.) Walp), greengram (Vigna radiata (L.) Wilczek) and ...
• Rearing and release of the pulse weevil parasitoid Dinarmus basalis (Rond.) (Hymenoptera:Pteromalidae) 

  Islam, W. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-09-14)

  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, ...
• Effect of infection level of sesame (Sesamum indicum L.) seed by Alternariasesami on severity of Alternaria leaf spot 

  Ojiambo, P.S.; Narla, R.D.; Ayiecho, P.O.; Nyabundi, J.O. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-11-11)

  Alternaria sesami infection in sesame seed samples collected from farmers in Busia, Kakamega and Siaya districts of Kenya was detected by oat meal agar method. Infection levels in seed samples varied from 8.96% in Kakamega ...
• Incidence and pathogenicity of fungi associated with seedling disease of rain-fed wheat (Triticum aestivum L.) in Nigeria 

  Enikuomehin, O.A.; Bankole, S.A. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-08-15)

  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 ...
• Evaluation of cassava clones for resistance to anthracnose disease using phytotoxic metabolites of Colletotrichum gloeosporioides/. sp. manihotis and its correlation with field disease reactions 

  Amusa, N.A. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-08-30)

  Colletotrichum gloeosporioides f sp. manihotis, the causal agent of cassava (Manihot spp) anthracnose disease produces toxic metabolites in culture. Symptoms induced on cassava leaves and stem cuttings by the toxic ...
• Molecular analysis of whitefly-transmitted tomato geminiviruses from Southeast and East Asia 

  Zeidan, Muhammad; Green, Sylvia K.; Maxwell, Douglas P.; Nakhla, Medhat K.; Czosnek, Henryk (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998)

  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 ...
• Genetic diversity for grain quality parameters in traditional rice (Oryza sativa L.) accessions from Madhya Pradesh, India 

  Sarawgi, A.K.; Rastogi, N.K.; Soni, D.K. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-11-14)

  Genetic divergence as measured by D2 technique was studied for 18 grain quality traits in 132 rice genotypes (128 traditional cultivars and 4 standard genotypes). The analysis of variance revealed significant differences ...
• The effect of the origin of the explant on in vitro growth of axillary buds of Hevea brasiliensis 

  Seneviratne, P.; Gammanaliyanage, S.S.; Wijesekara, G.A.S. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-09-08)

  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 ...
• Effect of elevated carbon dioxide concentration and relative humidity on the growth of forest tree seedlings 

  Nataraja, K.N.; Prasad, T.G.; Kumar, M.Udaya (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998)

  Crop plants are shown to have high photosynthetic rate at elevated C 0 2 concentrations. Experiments were conducted with an objective to study the influence of elevated C 0 2 concentration and relative humidity (RH) on ...
• Influence of ozone on the growth and yield of tomato (Lycopersicon esculentum Mill cv Rodeo) 

  Seresinhe, P.S.J.W. (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-11-16)

  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 ...
• Diagnosis of leaf nutrient levels for optimum productivity of Citrus reticulata Blanco grown in black clay soils under a sub-humid tropical climate 

  Kohli, R.R.; Srivastava, A.K.; Huchche, A.D.; Dass, H.C.; Ram, Lallan; Singh, Shyam (Faculty of Agriculture, University of Ruhuna, SriLanka, 1998-08-25)

  Nagpur mandarin {Citrus reticulata Blanco) orchards under hot sub-humid tropical climate of Central India were surveyed with a view to diagnose the nutrient constraints through leaf and soil analysis, to understand ...

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