Photosynthetic Characteristics , Dry Matter Distribution Pattern and Their Effects on Eggplant Yield in Different Canopy Structures

ACTA HORTICULTURAE SINICA ›› 2004, Vol. 31 ›› Issue (5): 603-606.

• 研究论文 • Previous Articles Next Articles

Photosynthetic Characteristics , Dry Matter Distribution Pattern and Their Effects on Eggplant Yield in Different Canopy Structures

Yang Guodong;Zhou Baoli*;Fu Yawen;Zhang Enping;Li Mo

( Department of Horticulture , Shenyang Agricultural University , Shenyang 110161 , China)

Received:2004-01-15 Revised:2004-07-22 Online:2004-10-25 Published:2004-10-25
Contact: Zhou Baoli

Abstract

Abstract: The photosynthetic characteristics and dry matter distribution pattern were studied with gafted eggplant in three plant densities (41000 plants ·hm^-2 , 48000 plants ·hm^-2 and 55000 plants·hm- 2) and two training methods (natural training and double - stem training) in greenhouse. The results indicated that photosynthetic rate was higher and dry matter was distributed evenly at different canopy levels with double - stem training. Vigorous root growth was also found in this treatment .All these resulted in higher yield of eggplant . There lied significant positive correlation between eggplant yield and functional leaves at middle and lower canopy levels. The lower plant density , the higher water use efficiency and Transpiration rate. Higher photosynthetic rate together with lower respiration rate contributed to higher yield.

Key words: Eggplant, Graft, Plant density, Training method, Photosynthetic rate, Dry matter distribution

CLC Number:

S 641.1

Yang Guodong;Zhou Baoli;Fu Yawen;Zhang Enping;Li Mo. Photosynthetic Characteristics , Dry Matter Distribution Pattern and Their Effects on Eggplant Yield in Different Canopy Structures[J]. ACTA HORTICULTURAE SINICA, 2004, 31(5): 603-606.

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Photosynthetic Characteristics , Dry Matter Distribution Pattern and Their Effects on Eggplant Yield in Different Canopy Structures

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