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Control Number57714
Date and Time of Latest Transaction20060619142643.2
General Information060619s |||||||||b ||00|||
Cataloging SourcePCARRD-DOST
Main Entry - Personal NameRamirez, Dolores A.
Main Entry - Uniform TitleENGLISH
Title StatementGenetic control of sex expression in selected fruit crops exhibiting hermophroditism and androeciousness
General NoteCollege, Laguna: UPLB, 1987. 54p. -(UPLB Project No. 85-8)
Summary, Etc.Male, female and hermaphrodite trees of papaya, pili, and rambutan were differentiated by isoenzyme pattern analysis and thin layer chromatography. Isozyme patterns of papaya showed that sexually mature female, male and hermaphroditic trees can be distinguished through the esterasezymogram pattern. Female trees showed two bands with Rf values of 0.17 and 0.25, respectively. The hermaphrodites showed the slow moving band, Rf=0.17 and the males showed only the fast moving band, Rf=0.25. There was no significant differences found in total phenolic content among female, male and hermaphroditic papaya trees. However, hermaphroditic trees were characterized by a dark purple phenolic compound at Rf=0.06. Sex expression in pili could be identified by a combination of the acid phosphatase and esterase zymogram patterns. The hermaphrodites showed an acid phosphatase band at Rf=0.54; the females showed a fast moving esterase band at Rf=0.18. Two bands, Rf=0.03 and Rf=0.10 were observed in both male and hermaphrodite trees. In rambutan, the females were distinguished from males by their peroxidase zymogram patterns. Female plants showed two bands with Rf=0.16 and 0.24 while male plants showed a slow moving band at Rf=0.16. Phenolic content of leaves obtained from thin layer chromatography showed an unsatisfactory parameter to distinguish sex expression in the fruits
Subject Added Entry - Topical TermCARICA PAPAYA
 CANARIUM OVATUM
 NEPHELIUM LAPPACEUM
 GENETIC CONTROL
 CHROMATOGRAPHY
 SEX
 ANDROECIUM
Added Entry - Personal NameBalagtas, Gloria A.
 Garcia, Roberta N.
 Ramirez, Eleanor G.
 Burgonio, Carmen S.
LocationDOST PCARRD
 
     
 
Physical Location
Department of Science and Technology
Philippine Council for Agriculture, Forestry and Natural Resources Research and Development
 
     
 
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