高产板栗新品系_湘栗7号_农艺性状和生物学特性

2010374:20100304:201005187!农艺性状和生物学特性李党训,李昌珠,唐时俊,王晓明(,410004):湘栗7号!是我们从湖南省临湘市坦渡乡发现的板栗新品种栗苞黄绿色,椭圆或近圆形;坚果椭圆或圆形,红褐色,单粒重135~175g,果肉黄白色,细腻糯性,味甜;出仁率785%,含水率49%~51%,淀粉54%,总糖13%,蛋白质87%,脂肪64%;每平方米冠幅面积产量041~063kg;丰产稳产性强,大小年产量变幅在40%左右;出籽率36%~38%;抗桃蛀螟栗瘿蜂栗疫病;在湖南,坚果9月下旬至10月上旬成熟,南方板栗适栽区都可栽植:板栗;新品种;湘栗7号;丰产优质;抗病虫:S6642:A:10035710(2010)04001104do:i103969/jissn.10035710201004004Agronomiccharactersandbiologicalcharacteristicsofanewhighyieldchestnutvarietyof∀XiangLiNo.7#LIDangxun,LIChangzhu,TANGShijun,WANGXiaoming(HunanForestryAcademy,Changsha410004,China)Abstract:∀XiangLiNo7#isanewvarietyofchestnutdiscoveredatTanduTown,LinxiangCity,HunanProvinceThechestnutbractisyellowgreen,ellipticorsuborbiculate.Nutisellipticorround,reddishbrown,andtheweightofsinglenutis135~175g.Thefleshisyellowwhite,finetexture,waxyandsweet.Thekernelratioandwatercontentare785%and49%~51%respectively.Andthecontentsofstarch,totalsugar,proteinandfatare54%,13%,87%and64%respectively.Theyieldofcrownpersquaremeteris041~063kg.Thisvarietyhashighandstableyield,thevariationofannualyieldisabout40%,andtherateofseedyieldis36%~38%.Thisvarietyalsoperformsobviousresistancetopeachpyralidmoth,chestnutgallwaspandchestnutblight.ThenutsgetripefromlateSeptembertoearlyOctoberinHunanProvince.∀XiangLiNo7#canbeplantedinallchestnutadaptationareasinthesouthofChina.Keywords:chestnut;newvariety;XiangLiNo7;highyieldandhighquality;resistancetodiseasesandinsectpests.1前言,113∃15%113∃45%,29∃10%29∃52%,,,164&,14691mm,259d2090,(),,1991700hm2,,,600hm2,,,19982004,,7!80000hm2,2080,:7!~90,,,,,,,,,30000~40000hm2,10000~20000hm2,,,,,,,7!,,7!,,2经济性状21,50~60∃,08~09105m,161m2,32cm,212cm,2~3,5,12,147(,)91,12~15m,70%,3~4,222~3,4~5;40%2,3~4,9328,1∋25825,9152,8~10315cm271cm378cm1087cm,53,80%844%,166%1-3,25%~30%,20cm,04cm,,,5%,,,45%~50%,325%~30%,25cm05cm,10cm6,,21~26,2009215239~1095kg662kg,041~063kg,40%36%~38%24(1)135~175g,57~74/kg,2~3,2~23,,,,,,2mm,9,10,125,,785%,49%~51%,54%,13%,87%,64%26261耐贮性20d,92%;30d,84%()262抗虫性200864%,200945%510%~15%;20042009,3%-5%,58%~10%263抗病性199820042,20%~30%,15%~25%,,3生物学特性31311枝干(12((1):,,,,(2):,,,,(3):,,,,,,,(4):10,312叶片(2)(1):(),,(),)176cm)73cm19cm,()(2/3),(1/3),,2(2):,162cm)51cm24cm,,,,,,(3):,161cm)49cm,45cm,,(),,20~30∃,,,2/3,1/3,,,:∗,+(20~30∃)(90∃),−.:,,313芽(1):,:055cm,045cm,035cm1/3,2/3,,1~2mm,(2):,,(),,,(3):,,25mm35mm,1mm,,314花,,315栗苞,,8~10,45~6408~13cm,7cm)54cm)55cm03~05cm,06~13cm4讨论41135~175g,1kg57~74,1kg80()2009,89,()10g,9g,135g(1kg74):,,,,,,9~12/kg42(20082009)052kg/m2,(13(,:7!80%,667m2277kg,9/kg,667m22493,,,,,,43,:,,,,,,:910,4~5,:,,,,4420d92%,30d84%,,,,,:[1].[M].:,2004.[2].[M].:,1998.[3],,,.[J].,1994,21(1):9-12.[4],.[M].:,1988.(:谭著明)(上接第10页):[1],.[J].,2008,25(1):36-38.[2],,,.[J].,1999():114-117.[3],,,.[J].,2006,28(3):97-102.[4],,,.SAS[M].:,1995:117-138.[5],,,.[J].,2005,48(3):375-379.(:唐效蓉)(14(