农业工程学报2011，Vol.27Issue(6)：31-35,5.DOI:10.3969/j.issn.1002-6819.2011.06.006
不同灌水下限对黄瓜穴盘苗生长及生理指标的影响
Effects of irrigation threshold on growth and physiological characteristics of cucumber plug seedlings
摘要
Abstract
In order to provide irrigation references for industry culture of cucumber plug seedings, with cucumber (Cucumis sativus L.) variety Jinyou 1 as test material, the effects of different irrigation threshold treatments on dry matter accumulation, root activity, photosynthesis, chlorophyll fluorescence parameters were studied by using vinegar residue as plug seedling substrate. The experiments were conducted with four treatments with the irrigation threshold at 65%, 55%, 45%, 35% of the relative water content of medium respectively. The results showed that when the irrigation threshold was 55% of the relative water content of medium, the accumulated dry matter, length of taproot, root activity of seedlings and photosynthetic capacity were greater than those of seedlings under other irrigation threshold, followed was the 45% treatment. So it was suggested that 45%-55% of the relative water content of medium can be the optimum irrigation threshold in cucumber plug-seedlings raising.关键词
灌水；光合能力；叶绿素；黄瓜；穴盘苗Key words
irrigation/ photosynthesis/ Chlorophyll/ cucumber/ plug seeding分类
农业科技引用本文复制引用
赵青松,李萍萍,王纪章,高蓓..不同灌水下限对黄瓜穴盘苗生长及生理指标的影响[J].农业工程学报,2011,27(6):31-35,5.基金项目
国家自然科学基金项目(31071327)；江苏省高校基础研究重大项目(08KJA210001)；江苏省农业科技支撑计划项目(BK2010347)；江苏高校优势学科建设工程资助项目(苏财教[2011]8号)；江苏大学研究生创新计划项目(CX10B_008X) （31071327）
