EVALUATION OF HEIGHT AND DIAMETER GROWTH OF INDIGENOUS AND EXOTIC POPLAR CLONES IN ONE GROWING SEASON

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GHASEMI RAFAT ELAH; ASADI FARHAD; TORABI A.A.

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Journal: Iranian journal of Forest Year:2010 | Volume:1 | Issue:4 Page(s): 333-343

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Information Journal Paper

Title

EVALUATION OF HEIGHT AND DIAMETER GROWTH OF INDIGENOUS AND EXOTIC POPLAR CLONES IN ONE GROWING SEASON

Author(s)

GHASEMI RAFAT ELAH | ASADI FARHAD | TORABI A.A. | Issue Writer Certificate

Keywords

NEW POPLAR CLONESQ3

DIAMETER GROWTHQ3

HEIGHT GROWTHQ3

Abstract

Poplar trees produce annually more than two million m3 woods in Iran and they have main role in decreasing the pressure on natural forests. Therefore, efforts should focus on improving quantitative and qualitative characteristics of wood production especially in short rotation systems. In this study in order to determine the growth characteristics of new clones compared to previous clones and study the height and DIAMETER GROWTH in a growing season, seven new exotic clones along with eight previous indigenous and exotic clones (27 cuttings of each clones) cultivated in a Randomized Complete Block Design with 3 replication at Elborz Research Station, Karaj/ Iran. Irrigation and weeding operation was done at suitable time during growing season. Height and diameter of all seedlings were measured every 10 and 30 days, respectively. Growths in periods for both attributes were computed. The data were analyzed using analysis of variance and mean comparisons for all traits. The results show significant differences between clones, periods and their interaction. The greatest HEIGHT GROWTH in a 10 days period belonged to 20th -30th June with 19 cm HEIGHT GROWTH and its lowest belonged to the end of September and October periods. P. deltoids 63.8 and P. deltoids 69.55 revealed 13 and 11.5 cm HEIGHT GROWTH in ten days periods, respectively, ranked as first and second clones. At the end of growing season, P. x alborz1 with more than 2 m height was the highest clone. Regarding the DIAMETER GROWTH, end of June until early July with 3.5 mm HEIGHT GROWTH mean was the best period, as well as, for DIAMETER GROWTH P. deltoids 63.8 with 3 mm was. As a final result, end of June until early July revealed highest height and DIAMETER GROWTH so this shows the importance of irrigation and weeding operation in the period in order to increase productivity.

Cites

INVESTIGATION ON GROWTH, SURVIVAL AND HOMOGENEITY OF DIFFERENT POPLAR CLONES AT SELECTION NURSERIES IN MARKAZI PROVINCE

References

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APA: Copy

GHASEMI, RAFAT ELAH, ASADI, FARHAD, & TORABI, A.A.. (2010). EVALUATION OF HEIGHT AND DIAMETER GROWTH OF INDIGENOUS AND EXOTIC POPLAR CLONES IN ONE GROWING SEASON. IRANIAN JOURNAL OF FOREST, 1(4), 333-343. SID. https://sid.ir/paper/123038/en

Vancouver: Copy

GHASEMI RAFAT ELAH, ASADI FARHAD, TORABI A.A.. EVALUATION OF HEIGHT AND DIAMETER GROWTH OF INDIGENOUS AND EXOTIC POPLAR CLONES IN ONE GROWING SEASON. IRANIAN JOURNAL OF FOREST[Internet]. 2010;1(4):333-343. Available from: https://sid.ir/paper/123038/en

IEEE: Copy

RAFAT ELAH GHASEMI, FARHAD ASADI, and A.A. TORABI, “EVALUATION OF HEIGHT AND DIAMETER GROWTH OF INDIGENOUS AND EXOTIC POPLAR CLONES IN ONE GROWING SEASON,” IRANIAN JOURNAL OF FOREST, vol. 1, no. 4, pp. 333–343, 2010, [Online]. Available: https://sid.ir/paper/123038/en

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