用预洒水来减轻水稻潮风害的模拟试验研究-中国农学通报.PDFVIP

中国农学通报 2012,28(03):28-32 Chinese Agricultural Science Bulletin 用预洒水来减轻水稻潮风害的模拟试验研究 杨之曦 （南京农业大学农学院，南京210095 ） 摘 要：为了大幅度减少因潮风害造成的水稻生产损失。提出了应用预洒水-洒水来减轻潮风害盐分影 响水稻的方法，并用模拟实验比较了经过预洒水-洒盐水-洒水的水稻和仅进行洒盐水-洒水的水稻的1 穗盐分量的差别。结果表明：当洒盐水使得1穗盐分量为4.6~4.8 mg/穗时，预洒水-洒盐水-洒水的1穗 盐分量为0 mg/穗，洒盐水-洒水的1穗盐分量为2.8 mg/穗，即有预洒水的比无预洒水的能大幅度减小1 穗盐分量，从而大大减轻潮风害的影响。还开发了用海水盐度检测仪来测定1穗盐分量的实用测定技 术，提出了减轻水稻潮风害的综合方法。 关键词：洒水；水稻；潮风害；台风；1穗盐分量 中图分类号：S-3 文献标志码：A 论文编号：2011-1068 SimulationExperimentResearchofMitigationofSaltyWindDamageonRice throughPreviouslySprinklingWater YangZhixi (College of Agriculture, Nanjing Agricultural University ,Nanjing210095) Abstract: To drastically reduce the loss of rice production caused by salty wind damage, we made an investigationtotheeffectsofpre-sprinklingwateronsaltywinddamage.TheamountofNaCladhesionper paniclewascomparedbetweentreatmentswithpre-sprinklingwater-sprinklingsaltywater-sprinklingwater andsprinklingsaltywater-sprinklingwaterbysimulationexperiments.Whensprinklingsaltywaterproduced 4.6-4.8 mgofNaCladhesionperpanicle,thetreatmentwithpre-sprinklingwater-sprinklingsaltywater- sprinklingwaterproduced 0 mgofNaCladhesionperpaniclewhilesprinklingsaltywater-sprinklingwater couldproduce 2.8 mgofNaCladhesionperpanicle.Thisresultsindicatedthatpre-sprinklingwatercould effectivelyreducedthedamageofsaltywinddamage.Inaddition,wedevelopedatechniquetomeasurethe amountofNaCladhesionperpaniclebyrefractometerandputforwardacomprehensivesystemtoalleviatethe saltywinddamage. Keywords:sprinklewater;rice;saltywinddamage;typhoon;amountofNaCladhesionperpanicle