暖温带森林木本植物展叶始期对低温和热量累积变化的响应

于海英, 杨莉琳, 付素静, 张志敏, 姚琦馥

Response of leaf-unfolding dates of woody species to variation of chilling and heat accumulation in warm temperate forests

YU Hai-Ying, YANG Li-Lin, FU Su-Jing, ZHANG Zhi-Min, YAO Qi-Fu

表2 东灵山25种木本植物展叶始期的低温和热量累积期及累积量(平均值±标准差)

Table 2 Chilling and heat accumulation (mean ± SD) during each chilling and forcing periods for 25 woody species in Dongling Mountain

物种 Species 低温累积期 Chilling periods 低温累积量 Chilling accumulation (CP) 热量累积期 Forcing periods 热量累积量 Heat accumulation (GDH) 开始日期 Start date (month-day) 结束日期 End date (month-day) 开始日期 Start date (month-day) 结束日期 End date (month-day) 白桦 Betula platyphylla 09-30 01-11 43.37 ± 5.79 03-22 05-03 3 640.58 ± 963.76 大花溲疏 Deutzia grandiflora 09-30 03-23 73.26 ± 6.64 01-04 04-27 2 924.49 ± 824.72 蒿柳 Salix schwerinii 10-06 03-07 60.57 ± 6.14 03-03 04-22 2 304.28 ± 699.59 黑桦 Betula dahurica 10-31 03-23 55.55 ± 7.03 01-26 05-03 3 887.06 ± 1 105.56 胡桃楸 Juglans mandshurica 09-29 03-23 74.46 ± 7.52 12-19 05-01 3 562.93 ± 1 066.70 花曲柳 Fraxinus chinensis subsp. rhynchophylla 10-04 03-20 70.33 ± 6.99 01-04 05-01 3 562.62 ± 1 066.71 华北落叶松 Larix gmelinii var. principis-rupprechtii 10-26 03-07 48.92 ± 6.77 01-26 04-21 2 279.80 ± 775.96 金花忍冬 Lonicera chrysantha 09-30 03-23 73.28 ± 6.84 12-22 04-24 2 566.87 ± 783.05 辽东栎 Quercus wutaishansea 10-26 03-23 58.23 ± 6.29 01-26 05-02 3 669.40 ± 928.35 裂叶榆 Ulmus laciniata 09-29 03-23 73.62 ± 6.74 01-26 04-26 2 799.27 ± 797.50 六道木 Zabelia biflora 09-30 03-23 73.07 ± 6.47 12-13 04-26 2 750.16 ± 796.11 毛榛 Corylus mandshurica 09-28 03-02 61.20 ± 6.76 12-22 04-26 2 808.29 ± 931.77 蒙椴 Tilia mongolica 10-26 03-23 58.52 ± 5.89 01-23 04-29 3 200.84 ± 884.28 巧玲花 Syringa pubescens 09-02 03-24 79.72 ± 7.54 01-26 04-17 1 949.79 ± 711.70 青杨 Populus cathayana 12-05 03-24 36.79 ± 5.91 03-02 04-26 2 777.00 ± 512.17 山桃 Prunus davidiana 09-02 03-23 78.39 ± 6.43 03-20 04-20 1 879.42 ± 652.17 山杏 Prunus sibirica 09-30 03-22 72.40 ± 6.47 12-22 04-25 2 626.39 ± 773.89 土庄绣线菊 Spiraea pubescens 10-05 03-23 71.86 ± 6.97 12-17 04-27 2 995.08 ± 936.94 卫矛 Euonymus alatus 09-30 03-23 73.28 ± 6.84 03-19 04-21 2 059.65 ± 709.69 五角枫 Acer pictum subsp. mono 09-30 03-22 72.60 ± 6.84 01-22 04-26 2 808.06 ± 831.75 小花溲疏 Deutzia parviflora 09-29 03-23 73.44 ± 6.56 12-22 04-28 3 012.81 ± 844.57 小叶鼠李 Rhamnus parvifolia 09-30 03-23 73.26 ± 6.64 01-22 04-20 2 106.40 ± 666.57 迎红杜鹃 Rhododendron mucronulatum 09-29 03-23 73.62 ± 6.74 12-22 04-26 2 799.54 ± 797.67 油松 Pinus tabuliformis 10-22 03-08 51.62 ± 6.26 03-03 05-08 4 829.02 ± 1 002.10 照山白 Rhododendron micranthum 09-30 03-22 72.60 ± 6.63 12-22 05-01 3 528.25 ± 932.79 均值 Average 10-06 03-17 66.16 ± 11.26 01-21 04-26 2 933.12 ± 677.50