[1]李翊华,张芬琴,陈修斌,等.温室水肥耦合对甜椒生长和果期叶片光合特性的影响[J].江苏农业学报,2015,(02):415-421.[doi:10.3969/j.issn.1000-4440.2015.02.030]
 LI Yi-hua,ZHANG Fen-qin,CHEN Xiu-bin,et al.Growth and photosynthetic characteristics at fruiting period of greenhouse pepper in response to water and fertilizer coupling[J].,2015,(02):415-421.[doi:10.3969/j.issn.1000-4440.2015.02.030]
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温室水肥耦合对甜椒生长和果期叶片光合特性的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年02期
页码:
415-421
栏目:
园艺
出版日期:
2015-04-30

文章信息/Info

Title:
Growth and photosynthetic characteristics at fruiting period of greenhouse pepper in response to water and fertilizer coupling
作者:
李翊华1张芬琴1陈修斌1许耀照1程生慧1张文斌2
(1.河西学院农业与生物技术学院,甘肃张掖734000;2.甘肃省张掖市经济作物技术推广站,甘肃张掖734000)
Author(s):
LI Yi-hua1ZHANG Fen-qin1CHEN Xiu-bin1XU Yao-zhao1CHENG Sheng-hui1ZHANG Wen-bin2〖JP〗
(1.College of Agriculture and Biotechnology, Hexi University, Zhangye 734000, China;2.Zhangye Extension Station for Commercial Crop, Zhangye 734000,China)
关键词:
水肥耦合彩椒生长光合特性产量
Keywords:
water and fertilizer couplingpeppergrowthphotosynthetic characteryield
分类号:
S626.5,S641.3
DOI:
10.3969/j.issn.1000-4440.2015.02.030
文献标志码:
A
摘要:
为探明不同水肥耦合模式对河西走廊灌漠土日光温室甜椒生长发育和产量的影响,以红色甜椒品种Thialf Rz为材料,采用裂区试验设计,研究了不同田间持水量和肥料组合耦合对甜椒生长和产量及果期叶片光合特性的影响。结果显示,在中等的土壤水分和施肥水平条件下,即土壤田间持水量达 75%~90%及肥料组合为氮600 kg/hm2+五氧化二磷450 kg/hm2+氧化钾400 kg/hm2的耦合模式下,果期甜椒植株的高度、茎粗、最大叶面积、叶片含水量及地上部和根系干质量均明显高于其他耦合模式。同时,叶片的PSⅡ原初光能转换效率(Fv/Fm)和PSⅡ活性(Fv/Fo)均表现为最大,叶片实际光化学效率(ΦPSⅡ)和光化学猝灭系数(qP)也最高,光抑制程度最低,光合速率(Pn)最大,小区产量为10.28 kg/m2,显著高于其他处理。表明在河西走廊灌漠土日光温室中,适合甜椒生长发育的水肥耦合模式为田间持水量为75%~90%,肥料组合为氮600 kg/hm2+五氧化二磷450 kg/hm2+氧化钾400 kg/hm2。
Abstract:
The pepper variety Thialf Rz was selected as material to study the effects of different water and fertilizer coupling modes on growth, yield and photosynthetic characteristics at fruiting period in Hexi Corridor irrigated desert soil greenhouse. The results showed that plant height, stem diameter, maximum leaf area, leaf water content, above-ground dry weight and root dry weight of greenhouse pepper in the treatment of moderate soil moisture and fertilization, which was field capacity of 75%-90% and N 600 kg/hm2+P2O5 450 kg/hm2+K2O 400 kg/hm2 fertilizer coupling mode, were significantly higher than those in other treatments. PSⅡ light energy conversion efficiency (Fv/Fm), PSⅡactivity (Fv/Fo), leaf actual photochemical efficiency (ΦPSⅡ), light chemical quenching coefficient (qP) and photosynthese (Pn)of greenhouse pepper were the highest, while the degree of photoinhibition was the lowest. The pepper yield reached 10.28 kg/m2, outperforming other treatments. These results indicated that the water and fertilizer coupling mode of field capacing of 75%-90% and fertilizer combination of N 600 kg/hm2+P2O5 450 kg/hm2+K2O 400 kg/hm2 was suitable for the growth and development of sweet pepper in the greenhouse at irrigated desert soil of Hexi Corridor.

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备注/Memo

备注/Memo:
收稿日期:2014-08-07 基金项目:甘肃省科技支撑计划项目(1304NKCG137) 作者简介:李翊华(1978-),女,甘肃临洮人,硕士,讲师,从事园艺作物栽培与生理方面的研究。(Tel)15193415196; (E-mail) liyihua_lyh@163.com 通讯作者:张芬琴,(E-mail)fenqinzh@hxu.edu.cn
更新日期/Last Update: 2015-04-30