Natura Montenegrina No 4, 2005

UDK 581.142:582.475(045)=111 Pinus peuce

  

EFFECTS OF STORAGE AND STRATIFICATION ON THE GERMINATION

OF SEED OF Pinus peuce Griseb.

  

B. NIKOLIĆ1, B. BATOŠ2, V. ČOKEŠA3, R. ĐOKOVIĆ4

 

Synopsis

The  seed of Macedonian pine was harvested in two sucsessive years at mountain Mučanj, Serbia. The germination of seed was evaluated 28 days after sowing on a wet filter paper in laboratory according to standard procedure. Very low germination energy and germination percentage (0,1%) were observed. Similar results were obtained with seed stored several years in hermetic closed glass vessels at + 4 şC. Germination energy of seed germinated in wet sand at room temperature was 0%. After 11 months the total germination percentage was about 20% for 4-years old seed and about 28% for 3-years old seed. Results with stratified seed (6 months in wet sand at +4şC) were satisfactory. In laboratory conditions germination energy and germination percentage of stored seed were about 80%. In field test germination energy of 3- and 4 years stored seed was 59% and 35%,  respectively. After 28 days total germination percentage was about 68% and 53%, respectively. Much better results were obtained from some individual trees.

Key words: Macedonian pine, seed, germination, stratification, germination energy

 

S i n o p s i s

EFEKTI SKLADIŠTENJA I STRATIFIKACIJE NA KLIJANJE SEMENA Pinus peuce Griseb.

 

Seme molike sakupljeno je u dve uzastopne godine na planini Mučanj, Srbija. Klijanje semena je procenjeno 28 dana nakon sejanja na vlažnom filter papiru u laboratorijskim uslovima prema standardnoj proceduri. Dobijene su jako niske vrednosti energije klijanja i procenta klijavosti (0,1%). Slični rezultati su dobijeni  sa semenom skladištenim nekoliko godina u hermetički zatvorenim staklenim posudama na  + 4 şC. Energija klijanja semena naklijavanog u vlažnom pesku na sobnoj temperaturi bila je 0%. Nakon 11 meseci ukupni procenat klijanja je bio oko 20% za seme staro 4 godine i oko 28% za seme staro 3 godine.  Rezultati sa stratifikovanim semenom (6 meseci u vlažnom pesku na + 4 şC) bili su zadovoljavajući. U laboratorijskim uslovima energija klijanja i procenat klijavosti skladištenog semena bila je oko 80%. U poljskim uslovima energija klijanja 3 i 4 godine čuvanog semena bila je 59% i 35%. Nakon 28 dana ukupan procenat klijanja bio je 68%, odnosno 53%. Kod nekih individualnih stabala dobijeni su mnogo bolji rezultati.

Ključne reči: molika, seme, klijanje, stratifikacija, energija klijanja

1,2,3,4  Institute of Forestry,11000 Belgrade, Kneza Višeslava 3, Serbia and Montenegro,E-mail: biljaizs@net.yu