Effects of rooting powder on growth and development of flue-cured tobacco floating seedlings

doi:10.14088/j.cnki.issn0439-8114.2021.03.012

Abstract

Abstract: Cultivation of strong seedlings is a prerequisite for the production of high-quality flue-cured tobacco, there are many deficiencies in the floating seedling technology currently commonly used in China. The results showed that 25 mg rooting powder mixed with 1.1 kg substrate can improve the quality of tobacco seedlings, mainly manifested in thicker stems, increased root length, increased number of first and second side roots, and improved root vigor. On the contrary, after a certain concentration, rooting powder will reduce the quality or effect of tobacco seedlings.

Key words: flue-cured tobacco, rooting powder, floating seedling, growth and development

CLC Number:

S572

LU Ya-chun, LI Zi-lin, NIAN Fu-zhao, WEI Zhong, NONG Shi-ying, ZHAO Lei-feng, FAN Dong-sheng, LUO Gang. Effects of rooting powder on growth and development of flue-cured tobacco floating seedlings[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(3): 66-69.

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