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Control Number57741
Date and Time of Latest Transaction20060619142649.7
General Information060619s |||||||||b ||00|||
Cataloging SourcePCARRD-DOST
Main Entry - Personal NameDavide, Romulo G.
Main Entry - Uniform TitleENGLISH
Title StatementThe association of plant parasitic nematodes with the citrus decline in the Philippines
General NoteCollege, Laguna: UPLB, 1975. pp. 1-66. -(NSDB-UPLB Proj. No. 2.275-73; Study I)
Summary, Etc.Survey was conducted to determine the occurrence, distribution and population density of the nematodes associated with the citrus decline in the provinces of Luzon, Visayas and Mindanao. Results showed that of the 12 genera of the plant parasitic identified, Tylenchulus semipenetrans was the most abundant and widely distributed throughout the country. It constituted 94% of the total soil samples collected. Helicotylenchus spp. ranked second in distribution which occurred in 48.0% of the soil samples and constituted 2.32% of the nematode population. However, the distribution varies considerably in different regions. In Bicol, Eastern Visayas and Western Mindanao, T. semipenetrans had the highest percentage distribution whereas in the Oriental Mindoro and Eastern Mindanao regions, Helicotylenchus spp. was highest. Percentage distribution of T. semipenetrans was lowest in Eastern Mindanao. Highest population density of T. semipenetrans was obtained when plants were at 11-15-year old
Subject Added Entry - Topical TermCITRUS FRUITS
 NEMATODES
 POPULATION DENSITY
Added Entry - Personal NameDela Rosa, Alberto G.
LocationDOST PCARRD
  
     
 
Physical Location
Department of Science and Technology
Philippine Council for Agriculture, Forestry and Natural Resources Research and Development
  
     
 
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Not Available
  
     
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