FU Minjie,ZHU Zhiyu,ZHU Yueqing,et al.Effects of UV-B Supplementary Light on Agronomic Characters and Disease Resistance of Eggplant in Greenhouse[J].Northern Horticulture,2022,(01):65-71.[doi:10.11937/bfyy.20212980]
UV-B补光对大棚茄子果实农艺性状和抗病性的影响
- Title:
- Effects of UV-B Supplementary Light on Agronomic Characters and Disease Resistance of Eggplant in Greenhouse
- Keywords:
- UV-B supplementary light; eggplant; fruit morphology and quality; yield; disease
- 文献标志码:
- A
- 摘要:
- 以‘杭茄一号’茄子为试材，采用在设施大棚内分别设置紫外补光（UV-B剂量65 μW·cm-2，R/B=5∶1）、普通补光（UV-B剂量为0 μW·cm-2，R/B=5∶1）和不补光（CK）处理的方法，研究了不同补光手段对设施大棚内茄子果实农艺性状和抗病性的影响，以期为UV-B在设施茄子结果期栽培补光的应用和推广提供参考依据。结果表明：UV-B补光会对茄子果实的发育和膨大带来一定抑制作用，其横径与纵径的生长均小于其它处理，最终导致果实的果形指数偏小。同时UV-B补光处理改善了茄子果实的内在营养价值，相比对照（不补光）处理，果实的可溶性固形物、可溶性糖、可溶性蛋白质、维生素C和总酚等品质含量均显著上升。另外UV-B补光在茄子果实产量和植株抗病性方面也有积极作用，所有处理中UV-B补光下的茄子小区产量最高，较对照增产23.47%。UV-B补光在一定程度上增强了茄子植株的抗性，并有效减轻了茄子病叶和病株的发生情况。
- Abstract:
- Eggplant ‘Hangqie No.1’ was used as the test material,and UV supplementary light (UV-B dose 65 μW·cm-2,R/B=5∶1),ordinary supplementary light (UV-B dose 0 μW·cm-2,R/B=5∶1) and no supplementary light (CK) were set in the greenhouse.The effects of different light supplementing methods on the agronomic characters and disease resistance of eggplant fruit in greenhouse were studied,in order to provide a reference for the application and extension of UV-B light supplementing cultivation in fruit stage of eggplant in greenhouse.The results showed that UV-B supplemental light had a certain inhibitory effect on the development and expansion of eggplant fruits,and the growth of its horizontal and vertical diameters were smaller than other treatments,which ultimately led to a smaller fruit shape index.Meanwhile,UV-B supplemental light treatment improved the inherent nutritional value of eggplant fruits.Compared with the control (no supplemental light) treatment,the contents of soluble solids,soluble sugar,soluble protein,vitamin C and total phenols of eggplant fruit all significantly increased.In addition,UV-B supplemental light also had a positive effect on eggplant fruit yield and plant disease resistance.Among all treatments,the plots under UV-B supplemental light had the highest yield of eggplant fruits,which increased by 23.47% compared with the control.UV-B supplementary light enhanced the resistance of eggplant plants to a certain extent,and effectively reduced the occurrence of diseased leaves and plants of eggplant.
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备注/Memo
第一作者简介：傅敏杰（1995-），男，硕士研究生，研究方向为蔬菜栽培与生理。E-mail:1737419326@qq.com.责任作者：吴建国（1971-），男，博士，教授，现主要从事园艺遗传育种及栽培生理等研究工作。E-mail:jianguowu@zafu.edu.cn.基金项目：杭州市技术开发资助项目（2020330101002399）。收稿日期：2021-07-14