SONG Yu,LU Qing-cheng,WANG Hao.Research on Suitable Substrate Water Content for Melon Plug-seedling in Gobi District of Xinjiang[J].Northern Horticulture,2014,38(09):53-55.
适合新疆戈壁地区甜瓜穴盘育苗的基质相对含水量的探究
- Title:
- Research on Suitable Substrate Water Content for Melon Plug-seedling in Gobi District of Xinjiang
- 文章编号:
- 1001-0009（2014）09-0053-03
- Keywords:
- substrate water content; melon; plug-seedling; leaf water physiology; photosynthetic characteristics
- 分类号:
- S 652
- 文献标志码:
- B
- 摘要:
- 以“京帅”甜瓜为试材，采用无土有机育苗营养基质，研究了20%（T1）、40%（T2）、60%（T3）、80%（T4）、100%（T5）5种不同基质相对含水量对甜瓜穴盘苗叶片水分生理与光合特性的影响，以探究适合新疆戈壁地区设施甜瓜穴盘育苗的适宜基质相对含水量。结果表明：T1处理和T5处理降低了甜瓜叶片的羧化速率，从而抑制了甜瓜植株的光合能力；T1（20%）处理显著降低了甜瓜叶片自由水/束缚水比率、叶绿素a/b值，从而导致其光合作用下降；综合分析试验结果，提出在新疆戈壁地区设施环境下的甜瓜穴盘育苗中水分管理以基质相对含水量60%~80%为宜。
- Abstract:
- Taking melon variety ‘Jingshuai’ as test material,with soilless nursery nutrition organic substration，effect of 20% (T1),40% (T2),60% (T3),80% (T4),100% (T5) five kinds of water content substrate on physiology and photosynthetic characteristics of melon were studied，to explore suitable substrate water content for melon plug-seedling in Gobi District of Xinjiang Province,The results showed that T1 treatment and T5 treatment decreased the rate of carboxylation of melon leaves,thereby inhibited the photosynthesis of melon plants.While T1 (20%) treatment,significantly reduced free water/bound water ratio,chlorophyll a/b ratio in melon leaves,leading to its decline in photosynthesis.Comprehensive analysis of the test results showed,the proposed facility in the Gobi District of Xinjiang under the management of water melon plug-seedlings,relative water content of 60% to 80% was appropriate.
参考文献/References:
[1]新疆统计信息网.新疆维吾尔自治区2011年国民经济和社会发展统计公报[EB/OL].http://www.xjtj.gov.cn/stats_info/tjgb/12391010502238_2.html2012-03-30. [2]赖波,董巨河,单娜娜,等.新疆有机肥资源的区域差异及分布特征[J].新疆农业科学,2012,49(4):615-630. [3]克孜勒苏柯尔克孜自治州统计局.克孜勒苏柯尔克孜自治州2011年国民经济和社会发展统计公报[EB/OL].http://www.kztjj.gov.cn/96c547cd-6ba2-4aa3-a513-66487b0ba97a_1.html2012-06-29. [4]倪宏正,侯喜林.有机肥在蔬菜生产中的应用[J].中国蔬菜,2005(8):47-48. [5]Liu X Y,Ren G X,Shi Y.The effect of organic manure and chemical fertilizer on growth and development of Stevia rebaudianaBertoni[J].Energy Procedia,2005(5):1200-1204. [6]郝建军,刘延吉.植物生理学实验技术[M].沈阳:辽宁科学技术出版社,2001:54-56.
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备注/Memo
第一作者简介：宋羽（1980-），男，硕士，助理研究员，研究方向为设施园艺。E-mail：songyu150@163.com.