A quality prediction model for spray cut chrysanthemums in a solar greenhouse

LI Yu-fa; FANG Wei-min; CHEN Fa-di; SHI Chang-lei

doi:10.11833/j.issn.2095-0756.2010.03.014

Volume 27 Issue 3

Jun. 2010

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LI Yu-fa, FANG Wei-min, CHEN Fa-di, SHI Chang-lei. A quality prediction model for spray cut chrysanthemums in a solar greenhouse[J]. Journal of Zhejiang A&F University, 2010, 27(3): 404-409. doi: 10.11833/j.issn.2095-0756.2010.03.014

Citation:

LI Yu-fa, FANG Wei-min, CHEN Fa-di, SHI Chang-lei. A quality prediction model for spray cut chrysanthemums in a solar greenhouse[J]. Journal of Zhejiang A&F University, 2010, 27(3): 404-409. doi: 10.11833/j.issn.2095-0756.2010.03.014

A quality prediction model for spray cut chrysanthemums in a solar greenhouse

doi: 10.11833/j.issn.2095-0756.2010.03.014

1.
College of Horticulture，Nanjing Agricultural University，Nanjing 210095，Jiangsu，China

More Information

Corresponding author: FANG Wei-min
Publish Date: 2010-06-20

Abstract

Based on chrysanthemum quality due to temperature and light differences as well as experiments with different spray cut chrysanthemum cultivars（Mengbai，Qinglu，Cuilian，Hanfen and Lv Fengwo） and planting dates（April，May，and June），a preliminary quality prediction model for solar greenhouse spray cut chrysanthemums with a physiological product of thermal effectiveness and PAR（photosynthetically active radiation） as the measurement scales was developed. The indexes including plant height，leaf number，leaf area of individual plant，stem diameter，flower diameter were observed. The model was then validated with independent data. Simulated results showed that based on a 1 ∶ 1 line，the coefficient of determination （R2） and percent relative prediction error （ERP），respectively，for plant height（0.99，7.2%），leaf number（0.99，6.9%），leaf area （0.94，10.2%），stem diameter （0.87，5.6%），and flower diameter （0.92，18.2%），agreed well with the observed data. This high precision model could supply a theoretical basis for optimizing：1） temperature and light management and 2） a decision support system for production of spray cut chrysanthemums in a solar greenhouse.［Ch，2 fig. 3 tab. 14 ref.］

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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A quality prediction model for spray cut chrysanthemums in a solar greenhouse

1. College of Horticulture，Nanjing Agricultural University，Nanjing 210095，Jiangsu，China

Corresponding author: FANG Wei-min

Publish Date: 2010-06-20

Key words:

horticulture /
solar greenhouse /
spray cut chrysanthemum /
external quality /
physiological product of thermal effectiveness and PAR（photosynthetically active radiation） /
prediction model

Abstract: Based on chrysanthemum quality due to temperature and light differences as well as experiments with different spray cut chrysanthemum cultivars（Mengbai，Qinglu，Cuilian，Hanfen and Lv Fengwo） and planting dates（April，May，and June），a preliminary quality prediction model for solar greenhouse spray cut chrysanthemums with a physiological product of thermal effectiveness and PAR（photosynthetically active radiation） as the measurement scales was developed. The indexes including plant height，leaf number，leaf area of individual plant，stem diameter，flower diameter were observed. The model was then validated with independent data. Simulated results showed that based on a 1 ∶ 1 line，the coefficient of determination （R2） and percent relative prediction error （ERP），respectively，for plant height（0.99，7.2%），leaf number（0.99，6.9%），leaf area （0.94，10.2%），stem diameter （0.87，5.6%），and flower diameter （0.92，18.2%），agreed well with the observed data. This high precision model could supply a theoretical basis for optimizing：1） temperature and light management and 2） a decision support system for production of spray cut chrysanthemums in a solar greenhouse.［Ch，2 fig. 3 tab. 14 ref.］

A quality prediction model for spray cut chrysanthemums in a solar greenhouse

doi: 10.11833/j.issn.2095-0756.2010.03.014

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views