限根对设施无土栽培精品西瓜品质及产量的影响
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摘要
在坑式无土栽培条件下,设置限根(坑内两壁和底部铺膜)、半限根(坑内两壁和底部铺膜,每隔10~15 cm用直径2. 5 cm的钢管将底部膜穿孔)、对照(坑内不铺膜)3种方式栽种西瓜,于2016年8月28日西瓜膨大期采用英国Hansatech公司生产的FMS-2型脉冲调制式荧光仪测定植株顶部向下第1张完全展开功能叶片的叶绿素荧光参数,在10月25日西瓜采收期测定果实横纵径、单果质量、糖度、可滴定酸等果实性状。结果表明,限根栽培、半限根栽培都会使西瓜的最大纵横径、单果质量减小,不利于产量的形成,果实的边缘可溶性固形物含量有明显提高;半限根栽培的西瓜与限根栽培相比产量有明显提高,因其有较高的光合潜力,有利于形成较高的产量。
引文
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[2]王喜庆,贾云鹤,尤海波.日光节能温室有机基质栽培对风味4号甜瓜产量和品质的影响[J].北方园艺,2009(12):110-111.
[3]姚玉敏,王秀峰,于喜艳,等.不同栽培基质对甜瓜品质和养分含量的影响[J].山东农业科学,2009(2):45-47.
[4]Erez A,Yablowitz Z,Nir G. Container-grown peach orchard[J].Acta Horticulturae,1989(254):231-236.
[5]王世平,张才喜,罗菊花,等.果树根域限制栽培研究进展[J].果树学报,2002,19(5):298-301.
[6]Imai S,Okamoto G,Endo M. Effects of dense planting and rootsystem control on attaining greater early production and fruit stability of tetraploid grapes[J]. Bull Hiroshima Fruit Tree Experiment Station of Hiroshima Prefecture,1987,12:1-9.
[7]Webster A D,Atkinson C J,Vaughan S J. Controlling the shoot growth and cropping of sweet cherry trees using root pruning or root restriction techniques[J]. Acta Horticulturae,1997,451:643-651.
[8]Genty B,Briantais J M,Baker N R. The relationship between the quantum yield of photosynthetic electron transport and quenching of chlorophyll fluorescence[J]. Biochimica et Biophysica Acta,1989,990(1):87-92.
[9]赵丽英,邓西平,山仑.不同水分处理下冬小麦旗叶叶绿素荧光参数的变化研究[J].中国生态农业学报,2007,15(1):63-66.
[10]张守仁.叶绿素荧光动力学参数的意义及讨论[J].植物学通报,1999,16(4):444-448.
[11]盛承发.生长的冗余一作物对于虫害的超越补偿作用的一种解释[J].应用生态学报,1990,1(1):26-30.
[12]张大勇,姜新华.对于作物生产的生态学思考[J].植物生态学报,2000,24(3):383-384.
[13]杨洪强,李林光,接玉玲.园艺植物的根系限制及其应用[J].园艺学报,2001,28(增刊1):705-710.
[14]舒海波,贺超兴,王怀松,等.园艺作物限根栽培技术研究进展[J].农业科技通讯,2009(4):85-88.
[15]Kharkina T G,Rosenqvist E,Ottosen C O. Effects of rot restriction on the growth and physiology of cucumber plants[J]. Physiologia Plantarum,1999,105(3):434-441.
[16]Will R E,Teskey R O. Effect of elevated carbon dioxide contentration and rot restriction on net photosynthesis,water relations and foliar carbohydrate status of Ioblolly pine seedlings[J]. Tree Physiology,1997,17(10):655-661.