Research and application of the prediction model for the first-flowering dates of Baqiao cherry

doi:10.14088/j.cnki.issn0439-8114.2022.19.024

Abstract

Abstract: In order to realize the effective prediction and scientific application of Baqiao cherry initial flowering period in Xi'an, a new chronological sequence of Baqiao cherry initial flowering period was obtained by creating a phenological observation database of Baqiao cherry. The results showed that the initial flowering period of Baqiao cherry was obviously earlier in 2004—2020. Based on the meteorological data around Baqiao cherry production area, many influential meteorological factors were selected, and the winter temperature, the first day ≥ 5 ℃ of temperature and spring temperature were selected as the main factors for modeling by using the correlation analysis method. The prediction model of Baqiao cherry's initial flowering period was established by PLSR. The results showed that the prediction effect was ideal.

Key words: cherry, the first-flowering dates, prediction model, Baqiao District, Xi'an City;

CLC Number:

S66-3

LIU Yan-li, ZHANG Hong-li, WANG Yi-ge, LEI Yu. Research and application of the prediction model for the first-flowering dates of Baqiao cherry[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(19): 124-127.

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