Effect of Fertigation Technology on Dry Matter Accumulation and Photosynthetic Characteristics of Pepper in Greenhouse(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Fertigation Technology on Dry Matter Accumulation and Photosynthetic Characteristics of Pepper in Greenhouse

Author(s):: HAN Guang-quan¹; 2; LIU Hui-ying¹; XU Wei¹; DIAO Ming¹; SHI Wei-min¹; 1.Department of Horticulture，Shihezi University，Shihezi，Xinjiang 832003；
2.Shandong Huasheng Academy of Agricultural Sciences，Qingzhou，Shandong 262500

Keywords:: integrative water and fertilizer planting technology; pepper; dry matter accumulation; photosynthetic characteristic; chlorophyll fluorescence parameter

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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Last Update: 2014-08-26