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Effect of Different Illumination Intensities on the Growth and Development of Polygonatum involucratum Maxim(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年17期
Page:
61-63
Research Field:
Publishing date:

Info

Title:
Effect of Different Illumination Intensities on the Growth and Development of Polygonatum involucratum Maxim
Author(s):
ZHANG Yan-yan; ZHANG Jia-xiang; YUAN Xiao-ting; YAN Yong-qing
College of Horticulture,Northeast Agricultural University,Harbin,Heilongjiang 150030
Keywords:
Polygonatum involucratum Maxim.; illumination intensity; growth and development
PACS:
S 688
DOI:
-
Abstract:
Taking Polygonatum involucratum Maxim as test material,setting 100%,50%,25%,12% 4different shading treatments,the effects of different light intensities on the plant height,leaf base diameter,leaf number,leaf area,number of blossom and fruit setting rate were studied.The results showed that the growth and development indices of P.involucratum obviously varied under different illumination treatments.Under L1 treatment the plant height,leaf base diameter,number of leaves all achieved good levels.Under L0 treatment,the number of flowers was the most.Under L2 treatment,the fruit setting rate was the highest.P.involucratum should be cultivated under the shading of two-layer shading nets to decrease the water loss in vegetative growth phase,then placed in full exposure condition,at last in proper shading to increase the fruit setting rate in fruit setting phase.

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Last Update: 2014-08-08