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S 3 j S , 1V Y ! !; eZ Tb E-mail: liuwenkecaas.cn SZ , 1V Y ! T u e/ Z Tb E-mail: haifengzhisheng126.com l : 2016-08-22 s : 2016-12-05 * Supported by the National High-tech R accepted Dec. 5, 2016 http:/www.ecoagri.ac.cn DOI: 10.13930/j.cnki.cjea.160741 SZ , , > S . LED; uF ; i I = 3 T C 3# Y J. S 3 j , / , O ?M ub uF 18 ) uM Bb u 4:00 7 S 6 , VC5 6M? p , 9:00 Pr , F 8:00B , V ? %i ?4 u , 9:00 X , 7 S/ , b 图 2 甜椒根区加温阶段日光温室内、外气温 (a)及不同加温条件下甜椒根区温度变化 (b) Fig. 2 Air temperatures inside and outside solar greenhouse during root zone heating period of sweet pepper (a) and changes of root zone temperatures of sweet pepper under different heating conditions (b) CK: v I , uF3;) ; T15: uF 15 ) ; T18: uF 18 ) b CK: the control without heating and lighting; T15: root zone heating for 15 ; T18: root zone heating for 18 . 2.2 uFHq/C u b uF3;x) C 3 RB uF 2 SZ : LED; uF ; i I = 3 T C 3# Y 235 http:/www.ecoagri.ac.cn 表 1 不同加温补光条件下甜椒的形态和生物量指标 (n=6) Table 1 Morphological parameters of sweet pepper under different heating and lighting conditions ) Treatment Plant height (cm) Y Stem diameter (mm) 3 Canopy thickness (cm) 3 Canopy diameter(cm) 7 Fresh shoot weight (g) Dry shoot weight (g) “7 Fresh root weight (g) “ Dry root weight (g) CK 72.500.98e 9.870.37c 32.502.08c 31.750.96d 313.3312.58c 40.714.04d 29.761.29d 5.060.46c T15 77.630.94c 10.430.40bc 35.252.78b 36.000.91c 329.6711.06bc 42.193.28cd 32.591.37cd 5.560.43c T18 81.130.86b 11.410.56a 37.002.45b 38.000.82b 349.3312.10b 49.492.70b 36.191.18b 7.710.26ab L 75.130.74d 9.970.69c 32.252.63c 36.750.96bc 319.6714.80c 45.413.71bc 34.662.12bc 5.950.53c T15+L 79.000.82c 10.910.28ab 37.132.02b 37.500.91b 333.3315.28bc 50.084.02b 36.802.17b 7.170.72b T18+L 86.130.92a 11.490.40a 40.003.16a 39.750.50a 388.3312.58a 57.252.35a 42.721.72a 8.410.32a CK: v I , uF3;) ; T15: uF 15 ) ; T18: uF 18 ) ; L: 3;) ; T15+L: uF 15 3;) ; T18+L: uF 18 3;) bl3 V U) W 0.05 sAb CK: the control without heating and lighting; T15: root zone heating for 15 ; T18: root zone heating for 18 ; L: sole LED supplemental lighting; T15+L: root zone heating for 15 + LED supplemental lighting; T18+L: root zone heating for 18 + LED supplemental lighting. Lowercases indicate significant differences among treatments at 0.05 level. ) , uF 18 ) 4 6rTAF 15 ) b 2.4 uF LED;C Y V 2 V , uF3; ( ?4C b uF 15 18 ) T LvlaTL aTSA4 , A4 6 , O uF 18 1F 15 A4 b T15 T18) CsY1 CK4 30.74% 53.00%bB3; S (A4 6T , 1 CK4 6 14.81%b uF$ 3;B4 6C Sb uF3;xT1B uF3; ?VCz9rTb uF3;xT ?1B uF) FA4 b T15+L M T15 9rT11 T18+LM T189rT , T L T VCAb T15+L T18+L ) 1BFHq/ sY4 6 32.86% 15.50%, sY1 L ) C 4 6 51.29% 53.87%, 7T18+L1 T15+L 4 6 1.7%, 9rT Ab 表 2 不同加温补光条件下的甜椒产量指标 (n=6) Table 2 Yield parameters of sweet pepper under different heating and lighting conditions ) Treatment T L Fruit diameter (mm) T L Fruit length (mm) T L Fruit number T Single fruit weight (g) Single plant yield (gplant1) Yield (kgm2)CK 88.682.81b 75.693.78a 2.800.84c 119.1510.09a 332.8299.33d 2.70 T15 91.263.19ab 81.535.03a 3.601.52bc 131.4814.18a 468.6682.71bc 3.53 T18 91.833.14ab 77.593.59a 4.200.45abc 136.7413.49a 573.3069.99ab 4.13 L 90.732.31ab 78.855.18a 3.201.10c 131.4013.31a 409.2878.75cd 3.10 T15+L 94.062.14a 77.394.06a 5.201.10a 121.8011.76a 633.0488.32a 4.69 T18+L 93.333.64a 79.385.26a 5.000.71ab 131.0515.03a 649.0263.53a 4.77 CK: v I , uF3;) ; T15: uF 15 ) ; T18: uF 18 ) ; L: 3;) ; T15+L: uF 15 3;) ; T18+L: uF 18 3;) bl3 V U) W 0.05 sAb CK: the control without heating and lighting; T15: root zone heating for 15 ; T18: root zone heating for 18 ; L: sole LED supplemental lighting; T15+L: root zone heating for 15 + LED supplemental lighting; T18+L: root zone heating for 18 + LED supplemental lighting. 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