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Effects of hormone treatment on initial development of Douglas-fir seeded in biodegradable containers BC Forest Service - Research Division
1978
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Abstract: The objective of this experiment (E.P. 779.06) was to evaluate differences in field germination, survival and initial growth of seedlings developed from; a) hormone treated seed b) hormone treated seed with fertilizer added at time of sowing c) control seed. Stratification of all seed, including hormone treatment, was done at the University of British Columbia Research Forest under the direction of Professor J. Walters. The seed was sown in early April in biodegradable containers (bombs), which were filled with a mineral soil mix. Directly after sowing the bombs were dibble planted on a cleared area at Cowichan Lake Experimental Station. The hormone treated seed showed more rapid germination and there was a trend towards increased survival when compared to the control. This was significant at the 90 per cent level. After the second growing season, however, there was no statistically significant difference. It is of interest to notice that the mortality was greater for the hormone treated than for the control seedlings. Survival (per cent) Year Hormone Hormone treated Control treated and fertilized 1976 36.6 44.2 29.2 1977 29.0 30.0 24.4 Seedlings in the treatment including a fertilizer were significantly taller at the 99 per cent level after the first growing season, though in actual values the difference was small (2.4 mm). After the second growing season, there were no significant differences between treatments. Shoot height (mm) Year Hormone Hormone treated Control treated and fertilized 1976 31.5 33.9 31.9 1977 67.7 70.8 67.8 At the end of the second growing season some seedlings were extracted. Evaluation of root development of these seedlings did not reveal any significant differences between the treatments. In summary, the hormone treatment somewhat improved the field germination of the seed and the survival during the first growing season, but it had no effect on the overall seedling development in the second growing season. Further information may be obtained by writing to the Research Division, Ministry of Forests, Parliament Buildings, Victoria, B.C. V8W 3E7. [Abstract contains full text of memo.]
 
BC Forest Service - Research Division. 1978. Effects of hormone treatment on initial development of Douglas-fir seeded in biodegradable containers. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. Research Memo (FLNRORD). RM34
 
Topic: FLNRORD Research Program
Keywords: FLNRORD, Research Memo, British Columbia
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