玉米籽粒含水量對(duì)儲(chǔ)藏品質(zhì)的影響.pdf

1、東北農(nóng)業(yè)大學(xué)碩士學(xué)位論文玉米籽粒含水量對(duì)儲(chǔ)藏品質(zhì)的影響姓名：戴曉武申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：農(nóng)藥學(xué)指導(dǎo)教師：陶波2002.5.1EffectofMoistureContentofSeedsonCornStorageQualityAbstractInthispapertheeffectsofdifferentcornmoistureandmoldcontentsoncornqualityhavebeensystematicallystudi

2、edTrialshavebeencarriedoutoveratWOyearperiod，andstatisticaldatahasbeengatheredoncornmoisturecontentfromtheproductionandstatepurchasefiguresfortheperiod1990to2001ThefoBowingresultswereobtained：11thasbeendeterminedthatthem

3、oisturecontentofcornproducedintheHeilongjiangProvincehasvariedirregularlyoverthepasttenyearsTheaveragevalueofthemoisturecontentofcornpurchasedbythestateis264％Thishasbeenshowntobeduetoplantingvarietieswhichrequirealongtim

4、eteachmaturity2Thesafestoragetimeofcornwitha)2】4％moisturecontentjSjnexcessof120da3，sbetween0。Cand300CForcornwithahjghermoisturecontentthesafestoragetimefallsquicklyasthetemperaturerisesWhenthesamevarietyisplantedindiffer

5、entareas(Shuangcheng，HulanandSuhua)andharvestedjthasadifierentmoisturecontentsothattheinternalqualityofthecornvariessignificantlyAlltheinternalqualityindicesoftheLongdan13varietyarebetterthanthoseoftheothertwovarieties(S

6、idanl9andBenyu9)whicharesourcedfromoutsidetheProvince3Themoisturecontentoftheembryoishigherthanthatoftheseedsandendosperminthewetcorn，themoisturecontentoftheendospermbeing10werthanthatoftheseedsInthedrycorn，themoistureco

7、ntentofembryoislowerthallthatoftheseedsandendospermThefattyacidcontentintheembryoisalwayshigherthanthatoftheendospermunderthesaltleconditionsWithrisingtemperatureandhumiditythefattyacidcontentintheembryoincreasesrapidlyb