谷子秸秆水浸提液对5种作物种子萌发及幼苗生长的化感效应分析  

Allelopathic Effect of Aqueous Extract of Foxtail Millet Straw on Seed Germination and Seedling Growth of Five Crops

作　　者：崔纪菡 鲁一薇 夏雪岩[1] 刘猛[1] 刘建军 赵宇[1] 李顺国[1] Cui Jihan;Lu Yiwei;Xia Xueyan;Liu Meng;Liu Jianjun;Zhao Yu;Li Shunguo(Institute of Millet Crops,Hebei Academy of Agricultural and Forestry Sciences/National Foxtail Millet Improvement Center/Minor Cereal Crops Research Laboratory of Hebei Province,Shijiazhuang 050035,China;Hebei Academy of Miscellaneous Grain Industry Technology/Hebei Dongliang Agricultural Technology Co.,Ltd.,Handan 056000,China)

机构地区：[1]河北省农林科学院谷子研究所/国家谷子改良中心/河北省杂粮研究实验室,河北石家庄050035 [2]河北省杂粮产业技术研究院/河北东粮农业科技股份有限公司,河北邯郸056000

出　　处：《山东农业科学》2024年第1期66-73,共8页Shandong Agricultural Sciences

基　　金：国家谷子高粱产业技术体系项目(CARS-06-14.5-A23);河北省农林科学院基本科研业务费包干制项目(HBNKY-BGZ-02);河北省杂粮杂豆产业技术体系项目(HBCT2023050101,HBCT2023050202)。

摘　　要：从化感作用角度筛选适宜与谷子[Setaria italica(L.) Beauv.]进行间套轮作的农作物,为建立合理的谷子间套轮作体系提供参考依据。采用水提法制备谷子根、茎、叶浸提液,每种浸提液设4个浓度梯度(5、20、40、100 mg·mL^(-1)),以蒸馏水为对照(CK),研究谷子植株三部位浸提液对受体作物绿豆[Vigna radiate(L.)Wilczek]、红豆[Vigna angularis(Willd.) Ohwi et Ohashi]、玉米(Zea mays L.)、小麦(Triticum aestivum L.)和谷子种子萌发、幼苗生长的影响。结果表明,谷子根、茎、叶浸提液对受体作物种子发芽率和幼苗生长均有抑制作用,叶部浸提液抑制作用最强,根部浸提液的抑制作用最弱。随着浸提液浓度增加,其对受体种子的发芽率和幼苗鲜重、根长、芽长抑制作用加重。整体上看,谷子秸秆浸提液对5种作物种子萌发的抑制作用由小到大排序为绿豆<红豆<小麦<谷子<玉米。综合来看,绿豆更适宜与谷子进行间作、套作和轮作。From the perspective of allelopathy,the crops suitable for intercropping with foxtail millet[Setaria italica(L.)Beauv.]were screened to provide references for establishing reasonable intercropping sys-temsfor foxtail millet.The root,stem and leaf extracts of foxtail millet were prepared by water extraction meth-od.Four concentration gradients(5,20,40 and 100 mgmL^(-1))were set for each extract with distilled water as the control(CK).The effects of the extracts from the three parts of foxtail millet plants on seed germination and seedling growth of mungbean[Vigna radiate(L.)Wilczek],red bean[Vigna angularis(Willd.)Ohwi et Ohashi],corn(Zea mays L.),wheat(Triticum aestivum L.)and foxtail millet were studied.The results showed that the extracts of foxtail millet roots,stems and leaves had inhibitory effects on germination rate and seedling growth of the recipient crops.The inhibitory effect of leaf extract was the strongest,while that of root extract was the weakest.With the increase of concentration,the inhibition of the extracts on seed germination rate,and seedling fresh weight,root length and bud length of the recipient crops was aggravated.Among the five species of crops,the inhibitory effect of foxtail millet extracts on seed germination was sequenced as mung bean<red bean<wheat<foxtail millet<corn.In general,mung bean was more suitable for intercropping,relay intercropping and rotation with foxtail millet.

关 键 词：谷子 化感效应 种子萌发 幼苗生长 秸秆浸提液 

分 类 号：S314[农业科学—作物栽培与耕作技术]