欢迎来到天天文库
浏览记录
ID:5313310
大小:642.62 KB
页数:5页
时间:2017-12-07
《‘岳阳红’苹果改良主干形光照分布与产量和品质的关系研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、西南农业学报2014年27卷1期SouthwestChinaJournalofAgriculturalSciencesV01.27No.1文章编号:1001—4829(2014)01—0248—05‘岳阳红’苹果改良主干形光照分布与产量和品质的关系研究张秀美,刘志h,王宏,于年文,里程辉,张广仁,陈雪(1.辽宁省果树科学研究所,辽宁熊岳115009;2.鞍山市千山区大屯镇政府农业技术推广站,辽宁鞍山114000)摘要:本文以8年生岳阳红苹果为试材,采用树冠网格方法,研究了主枝量对相对光照强度、果实品质、产量、色差值的影响。结果表明,参试植株的色差值和相对光照强度都表现为树冠由下向上、
2、由内膛向外围垂直方向向上逐渐增大;处理Ⅱ最佳相对光强度区域最大,光照分布较好;枝量较少(处理I)和较多(处理Ⅲ)植株分别表现为强光区和弱光区过大,光照分布不合理;处理间色差值虽然有所不同,未达显着水平。主枝量对果实品质影响明显,处理Ⅱ的果实大小、硬度和糖、酸、Vc含量适宜,品质明显优于其它处理。主枝量对果实的产量及其分布影响明显,枝量越多产量越高,枝量中等植株果实分布均匀,优质果比例高,负载量合理,有助于树体的营养积累和丰产稳产。主枝数为17时,可明显改善树冠光照条件,提高果实的产量和品质,为其推广应用提供理论依据。关键词:苹果;光照;品质;产量中图分类号:$661文献标识码:ARe
3、lationshipsbetweenDistributionofRelativeLightIntensityandYieldandQualityinDiferentTreeCanopyShapesof‘YueYanghong’AppleZHANGXiu—mei,LIUZhihWANGHong。YUNian-wen,LICheng.hui,ZHANGGuang-ren,CHENXue2,,(1.LiaoningResearchInstituteofPomology,LiaoningXiongyue115009,China;2.AgrotechniealPromotionStationo
4、fDatunTown,Qians—hanPrefecture,AnshanCity,LiaoningAnshan114000,China)Abstract:Inthispaper,takenthe8yearsoldapple‘Yueyanghong’a8testedmaterials,theefectsofmainbranchnumbersonrel~ivelightintensity,fruitquality,yieldandcolordiferencewerestudiedwithcrowngridmethod.Theresultshowedthecolordiferencean
5、drelativelightintensityoftestedplantgraduallyincreasedintheverticaldirectionofcrownfromboRomtotop.frominsidetooutside.Theplant’grel—ativelightintensityoftreatmentIIWasintheregionofmsximnm.andlightdistributionWasbetter;11lequantityofbranchesofplantswerelessormore,whichindicatedthattheweakorstron
6、gareaw8stoolarge,andtheli#tdistributionw88notreasonable.Theehromatiemval-uesbetweentreatmentswerediferent,butthediferencedidnotreachthesignificantleve1.Theefectofm~jorbranchesonfruit,v~itywassignificant.TheplantsweretreatedwithII,theirfruitsize,hardness,contentofsugar,acid,Vcandqualitywerebette
7、rthanthatwithoth—ertreatments.Theefectsofthefruitbranchesonitsyieldanddistributionwereobvious,themorethemajorbrancheshad,thehighertheyieldhad.Theplantswhichhadmoresecondaryquantityofbrancheshadmoreuniformdistributiof,hishqualityfr
此文档下载收益归作者所有