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
ÏS 3 ÿ jÓ S , ö1V Y ó\Ð;ÑØ eýñZ ë¥ùîýTb E-mail °SZ , ö1V Y Tþô uÌ e/ Z ë¥ùîýTb E-mail là ° ù 2016-08-22 ¤ s ° ù 2016-12-05 * Supported by the National High-tech R accepted Dec. 5, 2016 http// DOI 10.13930/ki.cjea.160741 °SZ , É , Ó S . LED;ô uFÑ °;Ñ i I 3 TÉ ¡C 3ÉÁ ¥Y [J]. ÏS 3 ÿ j¥ £ , ® Ñ/ Î , O M û Ú¥ô uÑbô uFÑ 18 ℃ Øô uÑMÄ ¹BÁbô uÑ 400 7 S 6Ú , VC5 6Úª®¥MÄ p , 900 P·r´ , ÐFÑ 800BÁ , V ®¿i¥ £ öÃ4Úô uÑ , 900 £ X[»û Û £ , Ñ 7 S/ , Ñ £ Ü Úb 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 , Éô uFÑ3ª; Ø ; T15 ô uFÑ 15 ℃ Ø ; T18 ô uFÑ 18 ℃ Øb CK the control without heating and lighting; T15 root zone heating for 15 ℃ ; T18 root zone heating for 18 ℃ . 2.2 ÿô uFÑHq/Cô u £ ÜÐ ¥bô uFÑ3ª;x] Ø¥C 3þ ôRÚ¿Bô uF » 2 ù °SZ© LED;ô uFÑ °;Ñ i I 3 TÉ ¡C 3ÉÁ ¥Y 235 http// 表 1 不同加温补光条件下甜椒的形态和生物量指标 n6 Table 1 Morphological parameters of sweet pepper under different heating and lighting conditions Ø Treatment éÚ Plant height cm ÔY Stem diameter mm 3ª¨ Canopy thickness cm 3ª°å Canopy diametercm ¹ 7 Fresh shoot weight g ¹ Ä Dry shoot weight g ô“7 Fresh root weight g ô“Ä Dry root weight g CK 72.50±0.98e 9.87±0.37c 32.50±2.08c 31.75±0.96d 313.33±12.58c 40.71±4.04d 29.76±1.29d 5.06±0.46c T15 77.63±0.94c 10.43±0.40bc 35.25±2.78b 36.00±0.91c 329.67±11.06bc 42.19±3.28cd 32.59±1.37cd 5.56±0.43c T18 81.13±0.86b 11.41±0.56a 37.00±2.45b 38.00±0.82b 349.33±12.10b 49.49±2.70b 36.19±1.18b 7.71±0.26ab L 75.13±0.74d 9.97±0.69c 32.25±2.63c 36.75±0.96bc 319.67±14.80c 45.41±3.71bc 34.66±2.12bc 5.95±0.53c T15L 79.00±0.82c 10.91±0.28ab 37.13±2.02b 37.50±0.91b 333.33±15.28bc 50.08±4.02b 36.80±2.17b 7.17±0.72b T18L 86.13±0.92a 11.49±0.40a 40.00±3.16a 39.75±0.50a 388.33±12.58a 57.25±2.35a 42.72±1.72a 8.41±0.32a CK v ¡ I , Éô uFÑ3ª; Ø ; T15 ô uFÑ 15 ℃ Ø ; T18 ô uFÑ 18 ℃ Ø ; L 3ª; Ø ; T15L ôuFÑ 15 ℃ 3ª; Ø ; T18L ô uFÑ 18 ℃ 3ª; Øbl3 V U ØW 0.05 £ Ü µsA÷b 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 ℃ LED supplemental lighting; T18L root zone heating for 18 ℃ LED supplemental lighting. Lowercases indicate significant differences among treatments at 0.05 level. Ñ Ø , Ïô uFÑ 18 ℃ Ø4 6rTA÷ª¿FÑ 15 ℃ Øb 2.4 ô uFÑ LED;CÁ ¥Y ®V 2 V© , ô uFÑ3ª; 4ÚC¥Á bô uFÑ 15 ℃ 18 ℃ Ø¥T LvlaTL aT©·SÃA÷4Ú , éÁ ¤A÷4 6 , Oô uFÑ 18 ℃1FÑ 15 ℃A÷4Ú éÁ b T15 T18 Ø¥CÁsY1 CK4Ú 30.74 53.00bB3ª;Á ·S íA÷4 6T¨ , Á 1 CK4 6 14.81bô uFÑ¥ É3ª;öÉB4 6C¥Á ·Sb ô uFÑ3ª;x]T¨1B¥ô uFÑ3ª;û VC÷z¥9ÁrTb ô uFÑ3ª;x]T¨ 1Bô uFÑ Ø÷FA÷¥¹4ÚÁ b Ï T15L M¿ T15 ¥9ÁrT11 T18LM¿ T18¥9ÁrT÷ª , T L T VCA÷b T15L T18L Ø1BFÑHq/¥Á sY4 6 32.86 15.50, sY1 L Ø¥CÁ 4 6 51.29 53.87, 7T18L1 T15L¥Á 4 6 1.7, 9ÁrT üAb 表 2 不同加温补光条件下的甜椒产量指标 n6 Table 2 Yield parameters of sweet pepper under different heating and lighting conditions Ø Treatment T L°å Fruit diameter mm T LÉ Fruit length mm T L Fruit number T Single fruit weight g éÁ Single plant yield g·plant1 Á Yield kg·m2CK 88.68±2.81b 75.69±3.78a 2.80±0.84c 119.15±10.09a 332.82±99.33d 2.70 T15 91.26±3.19ab 81.53±5.03a 3.60±1.52bc 131.48±14.18a 468.66±82.71bc 3.53 T18 91.83±3.14ab 77.59±3.59a 4.20±0.45abc 136.74±13.49a 573.30±69.99ab 4.13 L 90.73±2.31ab 78.85±5.18a 3.20±1.10c 131.40±13.31a 409.28±78.75cd 3.10 T15L 94.06±2.14a 77.39±4.06a 5.20±1.10a 121.80±11.76a 633.04±88.32a 4.69 T18L 93.33±3.64a 79.38±5.26a 5.00±0.71ab 131.05±15.03a 649.02±63.53a 4.77 CK v ¡ I , Éô uFÑ3ª; Ø ; T15 ô uFÑ 15 ℃ Ø ; T18 ô uFÑ 18 ℃ Ø ; L 3ª; Ø ; T15L ôuFÑ 15 ℃ 3ª; Ø ; T18L ô uFÑ 18 ℃ 3ª; Øbl3 V U ØW 0.05 £ Ü µsA÷b 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 ℃ LED supplemental lighting; T18L root zone heating for 18 ℃ LED supplemental lighting. 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