4.Journals Published in Sri Lanka

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    Comparison of allelopathic potential of Sri Lankan traditional rice varieties (oryza sativa l.) using radish (raphanus sativus l.) as an indicator plant
    (Faculty of Agriculture, University of Ruhuna:Kamburupitiya, 2015) Ranagalage, A.S.; Wathugala, D.L.
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    The influence of 'lungs' on carbohydrate reserves and growth of shoots
    (The Tea Research Institute. Talawakele, 1965) Nagarajah, S.; Pethiyagoda, U.
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    Some effects of isolates of Trichoderma on Rigidipourus lignosus
    (Rubber Research Institute. Agalawatta, 1991) Wijesundara, R.L.C.; Jeyanathan, S.; Liyanage, N.I.S.
    Seven forms of Tricoderma were isolated from soil obtained from rubber plantations. All the isolates secreted compounds inhibitory to the growth of Rigidiporus lignosus the causal agent of the white root disease of rubber. Further, the Trichoderma isolates interacted with the hypase of R. lignosus, the interaction resulting in harmfull effects on R. lignosus hyphae. Of the isolates examined T. Koningii isolate IV and T. harzianum appear to be very promising as potential biocontrol agents
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    Effect of combined nitrogen on growth and nodule function or Pueraria phaseoloides
    (Rubber Research Institute. Agalawatta, 1991) Jayasinghe, C.K.; Wettasinghe, D.S.
    Nodulation and nitrogen fixation rates of most of the legumes are reported to be severely affected when they are grown in soils high in available nitrogen. Furthermore, this phenomenon may become more critical when legumes are grown in multiple cropping systems like Pueraria phaseoloides in rubber plantatons where ono legume counterpart is fertilized with nitrogenous fertilizer. Results of experiments conducted in seeding agar to find the effect of nitrogen on growth and nodule function of P. phaseoloides showed that nodulation of P. phaphaeoloides was inhibited at a concentration between 24.4 and 44.8 ppm nitrogen