What type of study is this?

This is a Quantitative Study study.

October 10, 2025

Notes: Improved Rooting of Western White Pine Shoots From Tissue Cultures

Key Points

Pulse treatments resulted in rooting percentages between 40-64%, significantly higher than constant exposure.
Adventitious shoots displayed improved root growth and multiple root initiation when subjected to pulse treatment.
Growth regulators are essential in maximizing rooting success for tissue cultured western white pine.
Comparisons between treatment methods emphasize the superiority of pulse treatments over constant exposure.

Abstract

Abstract Rooting of adventitious shoots of western white pine ( Pinus monticola ) continuously exposed to a variety of growth regulators for 6 weeks varied between 0 and 20 percent. Pulse treatment of similar shoots for 7 days with the same growth regulator treatments followed by 5 weeks culture on medium devoid of growth regulators provided 40-64 percent rooting. In paired comparisons, pulse treatments always provided better rooting percentages than did constant exposure treatments. Improved root growth and the initiation of multiple roots were also favored by pulse treatments. Forest Sci. 28:822-825.

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Cite This Study

Amerson et al. (Wed,) studied this question.

synapsesocial.com/papers/68e865147ef2f04ca37e5224 https://doi.org/https://doi.org/10.1093/forestscience/28.4.822

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