Distribution of Latoia viridissima and Oryctes monoceros in Cross River Oil Palm Estates, Nigeria
نویسندگان
چکیده
منابع مشابه
Determination of Aluminium and Physicochemical Parameters in the Palm Oil Estates Water Supply at Johor, Malaysia
The study was to determine the concentration of aluminium (Al) and study the physicochemical parameters (pH, total dissolved solids (TDS), turbidity, and residual chlorine) in drinking water supply in selected palm oil estates in Kota Tinggi, Johor. Water samples were collected from the estates with the private and the public water supplies. The sampling points were at the water source (S), the...
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This study compared farmers’ rating of extension effectiveness in technology dissemination to the level of adoption. In conducting the study, 180 farmers participating in extension programme in Cross-River State were randomly selected through multi-stage random sampling technique. The data collected through a structured questionnaire were analyzed using the t-test of significance of difference ...
متن کاملThe incidence and use of Oryctes virus for control of rhinoceros beetle in oil palm plantations in Malaysia.
The rhinoceros beetle, Oryctes rhinoceros, has emerged as a serious pest of oil palm since the prohibition of burning as a method for maintaining estate hygiene in the 1990s. The abundance of beetles is surprising given that the Malay peninsula was the site of first discovery of the Oryctes virus, which has been used to effect good as a biological control agent in other regions. A survey of adu...
متن کاملA new permissive cell culture obtained from Latoia viridissima (Lepidoptera, Limacodidae).
Two viruses were isolated on Latoia viridissima (Lepidoptera, Limacodidae), defoliator of oil palm in Côte d’Ivoire, a picornavirus (G. Fédière, R. Philippe? J. C. Veyrunes, and P. Monsarrat, Entomophaga 37, 354-357,1990) and a nuclear polyhedrosis baculovirus (N. K. Mouassi, Oléagineux, in press). No lines were known from this family and as no permissive cell culture existed to multiply these ...
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نصب منابع پراکنده در سیستم های توزیع و فوق توزیع علاوه بر مزیت های فراوان، مشکلاتی را هم به همراه دارد. یکی از این مشکلات تأثیر این منابع روی اندازه جریان های اتصال کوتاه است. به طور معمول از حفاظت های مبتنی بر اصل جریان زیاد در سیستم های توزیع و فوق توزیع استفاده می شود. از مهمترین طرح های حفاظتی استفاده شده در فیدرهای توزیع، حفاظت فیوز- ریکلوزر است. همچنین از طرح های حفاظتی جریان زیاد جهتی در...
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ژورنال
عنوان ژورنال: International Journal of Agricultural Research
سال: 2007
ISSN: 1816-4897
DOI: 10.3923/ijar.2007.883.887