HAN Guang-quan,LIU Hui-ying,XU Wei,et al.Effect of Fertigation Technology on Dry Matter Accumulation and Photosynthetic Characteristics of Pepper in Greenhouse[J].Northern Horticulture,2013,37(21):48-52.
灌溉施肥技术对温室辣椒干物质积累及叶片光合特性的影响
- Title:
- Effect of Fertigation Technology on Dry Matter Accumulation and Photosynthetic Characteristics of Pepper in Greenhouse
- 文章编号:
- 1001-0009（2013）21-0048-05
- Keywords:
- integrative water and fertilizer planting technology; pepper; dry matter accumulation; photosynthetic characteristic; chlorophyll fluorescence parameter
- 分类号:
- S 641.3
- 文献标志码:
- A
- 摘要:
- 以“洛椒98A”辣椒为试材，以沟灌冲施肥为对照，研究比较了处理Ⅰ(滴灌+滴施冲施肥)和处理Ⅱ(滴灌+滴施专用滴灌肥)2种灌溉施肥技术对温室辣椒干物质积累和叶片光合特性及叶绿素荧光参数的影响，结果表明：2种滴灌施肥处理下的辣椒植株较沟灌施肥处理在盛花期和盛果期有较高的地上部干物质积累量，在盛果期有较高的净光合效率(Pn)、胞间CO2浓度(Ci)、水分利用效率(WUE)和PSII的原初光能转换效率、光合电子传递活性及光化学量子效率;2种滴灌施肥技术相比，以处理Ⅱ的地上部干物质积累量、净光合效率、水分利用效率值显著高于处理Ⅰ。因此，2种滴灌施肥技术均可有效促进辣椒植株地上部干物质积累、提高辣椒叶片光合同化能力；施用辣椒滴灌专用肥的辣椒干物质积累和叶片光合同化能力优于施用冲施肥。
- Abstract:
- Taking ‘Luojiao98A’ pepper as test material，with furrow irrigation and water flush fertilizer as control，the effects of two kinds of fertigation technology including (treatment Ⅰ) drip irrigation+drip water flush fertilizer and (treatment Ⅱ) drip irrigation+drip-irrigation specific fertilizer on dry matter accumulation，photosynthetic characteristics and chlorophyll fluorescence parameters of pepper in greenhouse were studied.The results showed that the shoot dry matter accumulation，leaf net photosynthetic efficiency (Pn)，intercellular CO2 concentration(Ci)，water use efficiency(WUE) and chlorophyll fluorescence parameters Fv/Fm,ΦPSⅡ and qP,qN in leaves of pepper under treatment Ⅰ and treatment Ⅱ were significantly higher than those of CK.Between treatment Ⅰ and treatment Ⅱ，the shoot dry matter accumulation，net photosynthetic efficiency，water use efficiency and qN in leaf of pepper under treatment Ⅱ were significantly higher than those of treatmentⅠ.These results indicated that two integrative drip irrigation and fertilizer planting technology could promote plant dry matter accumulation and increase photosynthetic carbon assimilation capability in leaves of pepper and the effects of drip-irrigation specific fertilizer on dry matter accumulation and photosynthetic carbon assimilation capability of pepper in greenhouse were better than that of drip water flush fertilizer.
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备注/Memo
第一作者简介：韩广泉（1983-），男，硕士，研究方向为设施园艺。E-mail：wanggy006@yahoo.com.cn.