Morphological, anatomical and physiological characteristics of Lathyrus latifolius L. - Fabaceae

The Lathyrus species are wild relatives of cultivated peas. Results of morphological, anatomical and physiological analyses of Lathyrus latifolius L. are presented in this paper. Certain measured parameters and observed morphological characteristics are not in agreement with available literature dat...

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Veröffentlicht in:Zbornik Matice Srpske za Prirodne Nauke 2002, Vol.2002 (103), p.81-89
Hauptverfasser: Krstic, Borivoj, Boza, Pal, Merkulov, Ljiljana, Krstic, Lana, Pajevic, Slobodanka, Stankovic, Zivko
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Sprache:eng
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Zusammenfassung:The Lathyrus species are wild relatives of cultivated peas. Results of morphological, anatomical and physiological analyses of Lathyrus latifolius L. are presented in this paper. Certain measured parameters and observed morphological characteristics are not in agreement with available literature data, whereas no reference to the winged stem width, length of inflorescence pedicle, calyx length and leaflet index can be found. Two forms, f rotundifolium RCHB and f. latifolius BECK have been determined. Leaflets are amphystomatic, with anisocytic stomata present in almost equal number on both epidermises, dorsoventral, with one-layered palisade and many-layered spongy tissue. Stem in transverse section is rotund to oval with two long lateral wing-like expansions and cortical bundles. Mineral element analysis shows that the highest N, P and K concentrations were obtained with the flower while Ca and Na with the leaf. Leaf pigment content was higher than stem content while net photosynthesis rate was twice as high as respiration rate. Ispitivanje karakteristika divljih srodnika gajenih biljaka dobija sve vise na vaznosti zbog mogucnosti unosenja njihovih kvalitetnih i pozeljnih osobina, procesom oplemenjivanja, u gajene genotipove. Vrste roda Lathyrus su divlji srodnici gajenog graska. U radu su prikazani rezultati morfoloskih, anatomskih i fizioloskih analiza vrste Lathyrus latifolius L. Ustanovljeno je da se neke od merenih vrednosti morfoloskih karaktera razlikuju u odnosu na podatke iz literature, a podaci za sirinu stabla sa krilima, duzinu drske cvasti, duzinu casice i indeks listica nisu nadjeni u koriscenoj literaturi. Determinisane su dve forme - f. rotundifolium RCHB i f. latifolius BECK. Listici su amfistomaticni, sa stomama anizocitnog tipa koje su prisutne u skoro podjednakom broju na oba epidermisa. Listic je dorziventralne gradje, sa jednoslojnim palisadnim i viseslojnim sundjerastim tkivom. Stablo je na poprecnom preseku okruglo do ovalno, sa dva duga bocna krilasta izrastaja i prisutnim kortikalnim snopicima. Analizom sastava mineralnih elemenata ustanovljeno je da su koncentracije N, P i K najvise u cvetu, a Ca i Na u listu. Sadrzaj pigmenata je veci u listu nego u stablu Intenzitet fotosinteze je dva puta veci od intenziteta disanja.
ISSN:0352-4906
2406-0828
DOI:10.2298/ZMSPN0201081K