LED補光和根區(qū)加溫對日光溫室起_省略_嵌式基質(zhì)栽培甜椒生長及產(chǎn)量的影響

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  圖 2  甜椒根區(qū)加溫階段日光溫室內(nèi)、外氣溫 (a)及不同加溫條件下甜椒根區(qū)溫度變化 (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  不同加溫補光條件下甜椒的形態(tài)和生物量指標 (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  不同加溫補光條件下的甜椒產(chǎn)量指標 (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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