种衣剂对紫苏发芽率及产量品质性状的影响.PDF

中国农学通报 2014 中国农学通报 2018,34(28):21-25 Chinese Agricultural Science Bulletin Chinese Agricultural Science Bulletin 种衣剂对紫苏发芽率及产量品质性状的影响 沈 奇，杨 森，徐 静，王仙萍，管仲荣，周 凌，王 涛，田恩阔 （贵州省农科院油菜研究所，贵阳550008） 摘 要：探明种衣剂对紫苏种植的影响，为紫苏规模化及标准化种植技术提供指导。本研究采用2 类低 毒性的种衣剂对紫苏种子进行处理。通过发芽率试验，筛选艾科顿作为紫苏较适宜的种衣剂。采用每 千克种子添加16 mL 剂量进行紫苏生长势、大田产量、品质及抗性测定。结果显示，该浓度艾科顿种衣 处理下可明显提高种苗活力，增加紫苏幼苗生长速度。2 个品系经艾科顿种衣剂处理，大田成苗率分别 提高了7.72 及31.31 个百分点。每公顷产量提高499.45 、167.2 kg 。经该种衣剂处理，紫苏的产量构成因 素及生物量均有提高，对锈病、白粉病及根腐病抗性也有显著提升，但对品质没有显著影响。研究表明， 每千克种子添加16 mL 艾科顿种衣剂可有效促进紫苏幼苗生长，提高作物产量。该种衣剂可应用于紫 苏生产种植中。 关键词：种衣剂；紫苏；发芽率；产量；品质；抗性 中图分类号：S351 文献标志码：A 论文编号：cas SeedCoatingAffectstheGerminationRate,YieldandQualityofPerilla ShenQi,YangSen,XuJing,WangXianping,GuanZhongrong,ZhouLing,WangTao,TianEnkuo (GuizhouRapeInstitute,GuizhouAcademyofAgriculturalSciences,Guiyang550008) Abstract: Thepaperaimsto assess theinfluenceofseedcoatingonperillacultivation,andtoprovide guidanceforthelarge-scaleandstandardizedplantingofperilla.Thestudyusedtwokindsoflow-toxicityseed coatingtotreatperillaseeds.Agerminationrateexperimentwas conducted toselectthesuitableagentand concentrationforpreilla.Aikedunseedcoating was selectedandtheaddingdosewas 16mLperkilogram seeds.Thenthegrowthpotential,yield,qualityandresistanceweredetermined.Undertheseedcoating treatment,theseedlingactivitycouldbeimprovedobviously,andthegrowthrateoftheseedlingsofperillawas increased.Theseedlingrateoftwostrainsofperillawasincreasedby 7.72 and 31.31 percentagepoints, respectively.Theyieldwasincreasedby499.45kgand 167.2kg,respectively.Theyieldcomponenttraitsand biomasswereobviouslyincreased,andthedisease-resistanceagainstrustandpowderymildewandrootrot was alsosignificantly enhanced,butthequalityofperillaseedsshowedno significantchangeun