殼聚糖對(duì)茭白生育的影響及茭白品種間差異比較.pdf

1、浙江大學(xué)碩士學(xué)位論文殼聚糖對(duì)茭白生育的影響及茭白品種間差異比較姓名：張聶申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：蔬菜學(xué)指導(dǎo)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