Seedling Growth Rhythm of Chaenomeles sinensis
Liu Guoshun
Dong Huihui
Ma Guannan
Wang Zhiqiang
Zhang Siwen
Abstract：In the nursery field of Xinyang Forestry Science Institute,the growth height and ground diameter of two-year-old and stumping Chaenomeles sinensis seedlings were investigated weekly to analyze the growth rhythm,and the growth process was simulated by Logistic curve.The results showed that the regression of simulating growth process by Logistic curve were very significant.The division of growth period for seedling height and ground diameter by the inflection point of day increment change rate curve derived from the equation were in line with the routine observation.The growth rhythms of seedling height and ground diameter were basically the same,and both had obvious fast-growing period.And the beginning of ground diameter fast-growing period of two-year-old seedlings were about 14 days later.The net growth of height and ground diameter of stumping seedlings were higher than those of two-year-old seedlings with modest amplification,but significantly higher than those of one-year-old seedlings.Combining the fitted value and observing value,the growth process could be divided into 3 periods,growth prophase,fast-growing period and later growth period,and the corresponding measures for seedlings were put forward according to the growth characteristic of each period.
Keywords：Chaenomeles sinensisSeedling periodSeedling heightGround diameterGrowth rhythm
Publication Date：2017-01-01
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：5( 54-58 )