PERKEMBANGAN ONTOGENETIK DAUN TANAMAN KARET SEBAGAI PENANDA AWAL ADAPTASI TERHADAP CEKAMAN LINGKUNGAN DAN PATOGEN

Junaidi Junaidi, Atminingsih Atminingsih

Abstract


Clonal rubber leaves vary in shape, size, morphology and anatomy. Leaves development stages can be distinguished as A, B, C and D phase. In stage A, the leaflet hang vertically toward petioles. In stage B their color are light brown green with soft texture. In stage C, the leaflets are almost fully grown with firm laminae. In stage D, the leaflets have fully developed in nearly horizontal position. Physiologically, stage A and B are sink while stage C and D are source. The shorter transition from sink to source in new leaves is important response to environmental stress and pathogen. Therefore, leaves ontogenetical development can be used as early marker of plant adaptability to environment. Similar researches are necessary to be carried out using Indonesian specific clones and environment.

 


Keywords


Hevea brasiliensis, leaves, ontogenetical development, physiological characteristics, environmental stress, pathogen

Full Text:

PDF PDF


DOI: http://dx.doi.org/10.22302/ppk.wp.v36i1.296

Refbacks

  • There are currently no refbacks.



Creative Commons License
Warta Perkaretan is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Based on a work at http://ejournal.puslitkaret.co.id/index.php/wartaperkaretan.
View My Stats