LED补光和根区加温对日光温室起_省略_嵌式基质栽培甜椒生长及产量的影响

pS 3 j S , 1V Y \; eZ Tb E-mail SZ , 1V Y T u e/ ŒZ Tb E-mail l 2016-08-22 nbsp; s 2016-12-05 * nbsp; Supported by the National High-tech R accepted Dec. 5, 2016 http// nbsp;DOI 10.13930/ki.cjea.160741 SZ ,   , nbsp;gt; S . LED€;„ uF ; i  I 3 T Cˆ 3 •Y [J]. S 3 j  , Œ † /†  , nbsp;O M   ub uF 18 ℃  uM Bb u 400 nbsp;7 S 6 , VC5 6†M p ,  900 Prž‚ , ƒFž 800‚B , nbsp;V i 4 u , ž 900 nbsp; X‚[ ,  7 S/† , Œ   b nbsp;图 2 nbsp;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 nbsp;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 , ‚› uF„3€; ; 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 nbsp;† uFHq/Cˆ u ™„ b uF„3€;x] Cˆ 3  R†B uF nbsp; 2 nbsp; nbsp;SZ LED€;„ uF ; i  I 3 T Cˆ 3 •Y nbsp;235 http// 表 1 nbsp;不同加温补光条件下甜椒的形态和生物量指标 n6 Table 1 nbsp;Morphological parameters of sweet pepper under different heating and lighting conditions  nbsp;Treatment  nbsp;Plant height cm Y nbsp;Stem diameter mm 3 nbsp;Canopy thickness cm 3 nbsp;Canopy diametercm  7 nbsp;Fresh shoot weight g   nbsp;Dry shoot weight g “7 nbsp;Fresh root weight g “ nbsp;Dry root weight g CK 72.500.98e nbsp;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 nbsp;329.6711.06bc nbsp;42.193.28cd nbsp;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 nbsp;7.710.26ab L 75.130.74d nbsp;9.970.69c 32.252.63c nbsp;36.750.96bc 319.6714.80c nbsp;45.413.71bc nbsp;34.662.12bc 5.950.53c T15L 79.000.82c 10.910.28ab 37.132.02b 37.500.91b nbsp;333.3315.28bc 50.084.02b 36.802.17b 7.170.72b T18L 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 , ‚› uF„3€; ; T15  uF 15 ℃  ; T18  uF 18 ℃  ; L 3€; ; T15L uF 15 ℃ „3€; ; T18L  uF 18 ℃ „3€; bl3 V U W 0.05 nbsp; 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; T15L root zone heating for 15 ℃ nbsp; LED supplemental lighting; T18L root zone heating for 18 ℃ nbsp; LED supplemental lighting. Lowercases indicate significant differences among treatments at 0.05 level. nbsp; , nbsp; uF 18 ℃ 4 6rTAF 15 ℃ b nbsp;2.4 nbsp; uF„ LED€;Cˆ •Y nbsp;V 2 V ,  uF„3€; 4Cˆ b uF 15 ℃„ 18 ℃ T LvlaTL ” a†TSA4 , Œ† žA4 6 , nbsp;O uF 18 ℃1F 15 ℃A4 † b T15„ T18 Cˆ†sY1 CK4 30.74„ 53.00b†B3€; S A4 6T , † 1 CK4 6 14.81b uF ›3€;B„4 6Cˆ Sb  uF„3€;x]T1†B uF3€; VCz9rTb  uF„3€;x]T 1†B uF FA4 b  T15L M T15 9rT11 T18LM T189rT , T L ”„†T VCAb T15L „ T18L  1†BFHq/ sY4 6 32.86„ 15.50, sY1 L  Cˆ 4 6 51.29„ 53.87, 7T18L1 T15L 4 6 1.7, 9rT‚ Ab nbsp;表 2 nbsp;不同加温补光条件下的甜椒产量指标 n6 Table 2 nbsp;Yield parameters of sweet pepper under different heating and lighting conditions  Treatment T L nbsp;Fruit diameter mm T L nbsp;Fruit length mm T L ”  nbsp;Fruit number †T nbsp;Single fruit weight g †  nbsp;Single plant yield gplant1 † nbsp;Yield kgm2CK 88.682.81b 75.693.78a 2.800.84c 119.1510.09a 332.8299.33d 2.70 T15 nbsp;91.263.19ab 81.535.03a nbsp;3.601.52bc 131.4814.18a nbsp;468.6682.71bc 3.53 T18 nbsp;91.833.14ab 77.593.59a nbsp; 4.200.45abc 136.7413.49a nbsp;573.3069.99ab 4.13 L nbsp;90.732.31ab 78.855.18a 3.201.10c 131.4013.31a nbsp;409.2878.75cd 3.10 T15L 94.062.14a 77.394.06a 5.201.10a 121.8011.76a 633.0488.32a 4.69 T18L 93.333.64a 79.385.26a nbsp;5.000.71ab 131.0515.03a 649.0263.53a 4.77 CK v I , ‚› uF„3€; ; T15  uF 15 ℃  ; T18  uF 18 ℃  ; L 3€; ; T15L uF 15 ℃ „3€; ; T18L  uF 18 ℃ „3€; bl3 V U W 0.05 nbsp; 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; T15L root zone heating for 15 ℃ nbsp; LED supplemental lighting; T18L root zone heating for 18 ℃ nbsp; LED supplemental lighting. 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