Browsing by Author "ZULHISYAM A.K."

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    EFFECT OF STORAGE TEMPERATURE AND SEED MOISTURE CONTENTS ON PAPAYA (Carica papaya L.) SEED VIABILITY AND GERMINATION
    (Journal of Sustainability Science and Management, 2013) ZULHISYAM A.K.; CHUAH TSE SENG; AHMAD ANWAR ISMAIL; N.N. AZWANIDA; SHAZANI, s.; JAMALUDIN, M.H.
    This experiment examined the suitable storage temperature and seed moisture content for seed storage of papaya (Carica papaya L.) cultivar of "sekaki". The seeds were dried to 6%, 8% and 10% moisture contents using silica gel and stored at O"C, 4°C and 28°C for three months. Seeds containing 6% moisture content and stored at OOC gave higher percentage of germination, lower dormancy, lower seed death compared to the seed ofthe other storage conditions. The result suggested that such condition was the best condition for papaya seed storage. Seeds containing 10% moisture content and stored at 28°C is not recommended for papaya seed storage because seed deterioration rate under such condition is higher within three months of storage.
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    PROPAGATION AND CULTURE SYSTEM OF LOCAL LEECHES
    (Journal of Sustainability Science and Management, 2011) ZULHISYAM A.K.; ANWAR ISMAIL.A; MAMAT A.S.; IBRAHIM CHE OMAR
    This particular research work was one of the few that have been reported on the basic requirements for culturing of local leeches including reproduction and also the behaviour of the animal. In this study, the effect of different cultures for leech-rearing in laboratory conditions on the reproductive performance of local leech was examined. After 91 days (3 months) of culturing, the number of cocoons produced was significantly different between the two conditions (p:$.0.05). For the leeches cultured in the tank with 1em depth of non-chlorinated water with soil height of about Scm, cocoon deposition number was optimal, depositing an average of 3.67±0.58 compared with culture 2 where there was no cocoons produced by broodstock. Mortalities of broodstock leeches differed significantly under the two culturing methods (p:$.0.05). Culture 1 gave the lowest mortality rate with mean and standard deviation of 2.67±2.31% compared with the second culture which gave the highest mortality rate of 40±10.58%. The study also discussed the reproduction and the behaviour of the local leeches.