殼聚糖對茭白生育的影響及茭白品種間差異比較.pdf

1、浙江大學碩士學位論文殼聚糖對茭白生育的影響及茭白品種間差異比較姓名：張聶申請學位級別：碩士專業(yè)：蔬菜學指導教師：壽森炎20060501AbstractZizaniacaducgfloraisperenniallyhydrophyticherbthatisamembaroftheGramineaefamilywhichisaswellingstalkafterparasitizedbyUstilagoesculentaItisanutri

2、entvegetable，goodfort11ehealthandcultivatedinthesouthofthechangiingriverwhichisoneoftheimportanthydrophyticvegetablesZizaniacaduciflorahastowtypes，oneisharvestedonceayear，theotherisharvestedtwiceayearInresentyears，alongw

3、ithmendingtheregulationofplantstructure，Zizaniacaducifloraiscultivatedmoreandmore，andthevegetablemarketisenrichedmostlySo，forcarryingthehighyieldandhighqualityofZizaniacadueifiora，thisresearchistostudytheimpactofthechito

4、sanondifferenttypesofZizaniacaducifloraandthedi位renceofcultivarsofZ／zaniacaducifloraiscompared1E￡fectofchitosanondifferenttypesofZizaniacaduciflora：InseedlingphaseofZizaniaeadueiflora，thechitosanof30mg／L，45mg／L，60mg／Lare

5、usedtothe0501whichisharvestedonceayearandthe0505whichisharvestedtwiceayearTheresultshowsthatthechitosancanincreasethetheamountofeffectivetillerthentheyieldofbothofcultivarsofZiz口Hiacaduc(floraisenhancedmarkedly’andthecon

6、centrationof45mg／LofthechitosanhasthebesteffectTheactivityofPODin1eavesandthecontentofsucroseinproductcanbeincreasedafterusingthechitosan，andthechangeofthechlorophylcontentcouldbeabatedandtheeffecthasalongdurationandthef

7、urthersomeeffectofchitosanon血eactivitiesoftheCATandt11eAPXlastsintheprophaseandthemidphaseofgrowthTheeffectofchitosanonthehilghoftheplantandthecontentofthefreeaminoacidisdifferenttodifferentcultivarsofZ&aniacadueiflora，i

8、tisgoodforthe0501anditislesseffectontlle05052E位ctoflhedifierentwaysofusingthechitosanon庇aniacaduciflora：Thechitosanof30mg／L，45mg／L，60medLandthechitoking(anutritionsupplementary)of45mg／Lareusedinseedlingphaseofthe0501，and

9、thechitosanof30mg／L，45mg／L，60mg／Landtheadmixtureoftllechitosanandthechitokinginthesameconcentrationsareusedinthetilleringphaseofthe0501Theresultshowsthatt11edifferentconcentrationofthechitosanandthechitokingusedindiffere

10、ntphasesonZizaniacadueifloraallcanenhancetheyieldmarkedlyand45mg／Listhebestusingconcentration，andthetilleringphaseisthebestusingphaseInallofthetreatment，while45mg／Lchitosanisusedwiththesameconcentrationchitokinginthetill

11、eringphase，theyieldcouldbeenhancedbyabout35％whichwasthebestresult3CompareonthecultivarsofZizaniacaducifiora：ChoosingdifferenttypescultivarsofZizaniacadueiflorafordifferentplantingsituations，thereaptime，theyield，thequalit

12、yofsevencultivarsofZ／zaniacaduciflorawhicharenumbered0501to0507arecomparedTheresultshowsthatthe0503ripesearlierandsuitstobeaeultivarofZizaniacaduciflorareapedearlierthanusoallnspringThe0501alsipesa1iRleearliersothe0503an

13、dthe0501bothsuittobeeultivarsofZ／zaniaeadueifiorareapedearlierthanusualinautumnThe0504，the0505andthe0506allhavehi曲yield，insomespecialsituationtheycanbeplantedinflowingcoldwaterorplantedinhighhillstoharvestearlierinfallTh

14、oughtofthereaptime，theyield，thequalityoftheappearanceandthequalityofthenutritionthe0504，the0505andthe0506havehighyieldandhighqualitywhichcarlbespreadandexposedKeywords：Zizaniacaduciflora，chitosan，concentration，time，yield