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ŠUMARSKI LIST 5-6/2007 str. 15     <-- 15 -->        PDF

M. Oršanić, D. Drvodelić, I. Kovačević: RASADNIČKA PROIZVODNJA SADNICA CRNOGA ORAHA . Šumarski list br. 5-6, CXXXI (2007), 207-217
LITERATURA – References


1. Clark, F. B. 1971: Planting Black Walnut for Tim8.
Regent, B. 1980: Šumsko sjemenarstvo, Beograd.
ber, U.S. Department of Agriculture, Forest Ser201
pp.
vice, Washington. 10 pp. 9. Schultz R. C., J. R. Thompson 2004: Effect of


2. Dirr, M. A., W. Heuser, Jr 1987: The Reference density control and undercutting on root morManual
of Woody Plant Propagation, Georgia, phology of 1+0 bareroot hardwood seedlings: fiSAD.
239 pp. ve-year field performance of root-graded stock
in the central USA, New Forests 13, (1–3):


3. Frehner, E., E. Fürst 1992: Vom Samen bis zur
301–314, Netherlands.


Pflanze. Ein Erfahrungsbericht aus dem Forstgarten,
Birmensdorf. 47 pp. 10. Sp a j ić , Z. 2005: Istraživanje rasta i prirasta sta


4. Herman, J. 1971: Šumarska dendrologija, Zagreb. bala crnoga oraha na području G.J. Jelaš, Šuma470
pp. rije Vukovar, Zagreb. (diplomski rad obranjen
na Šumarskom fakultetu u Zagrebu).


5. ISTA (International Seed Testing Association) 2006:
International Rules for Seed Testing, Bassers-11. St i l i n o v ić , S. 1987: Proizvodnja sadnog materidorf,
Switzerland. jala šumskog i ukrasnog drveća i žbunja, Beograd.
455 pp.


6. Jacobs, D. F., K. E. Woeste, B. C. Wilson, J.
R. McKenna 2006: Stock Quality of Black 12. Young, J. A., C. G. Young 1992: Seeds of
Walnut (Juglans nigra) Seedlings as Affected by Woody Plants in North America, Portland, USA.
Half-Sib Seed Source and Nursery Sowing Den407
pp.
sity, Acta Hort. 705, Proc. Vth Int. Walnut Symp., 13. Williams, R. D.2004: BlackWalnut (http://fores-
USA. try.about.com/library/silvics/blsiljugnig/htm)


7. Matić, S., B. Prpić
1983: Pošumljavanje, Zagreb.
79 pp.
SUMMARY: The paper analyzes some of the elements of Black walnut
seed quality and examines its characteristics. In spring 2004 stratified seed
was sown in two ways: on nursery beds and in two types of multiple containers
(Bosnaplast 18 and a 35,5x27,0 (16) container with 24 holes). The seed
sown in the Bosnaplast 18 container showed the largest germination percentage
(55,00 %), followed by nursery germination of seed sown on beds
(42,99 %) and in the other type of container (20,83 %). At the end of the current
growing season (1+0) the bed-grown seedlings had the largest height
(315 mm). The seedlings grown in the Bosnaplast 18 container 18 were on
average lower by 61 mm and those from the other container by 67 mm with
respect to the bed-grown seedlings. In autumn 2004 non-stratified seed was
sown in two ways: with and without cleaning husks. Part of the seed was sown
with and part without husks. The nursery germination of the cleaned seed
amounted to 91,67 % while the germination of the seeds sown with husks reached
73,00 %. The non-undercut seedlings raised from the cleaned seeds had
the largest height (524 mm) at the end of the current growing season (1+0).
The non-undercut seedlings raised from uncleaned seeds were on average lower
by 185 mm compared to the seedlings raised from cleaned seeds. In both
cases the undercut seedlings were lower than the non-undercut ones.


Key words: Juglans nigra, nursery germination, height growth, diameter
growth