草原与草坪
草原與草坪
초원여초평
GRASSLAND AND TURF
2015年
4期
44-48,53
,共6页
燕麦%贮藏方法%种子活力
燕麥%貯藏方法%種子活力
연맥%저장방법%충자활력
oats%ultra-dry storage%seed vigor
采用常温、干燥、超干、冷藏、冷冻5种不同的贮藏方法,测定处理30、90 d 燕麦种子活力及抗氧化酶指标,结果表明:(1)低温贮藏促进燕麦根、苗的生长,最大分别达到9.11 cm 和13.946 cm;(2)种子贮藏90 d 后,种子活力差异显著,发芽率、发芽指数均在超干贮藏条件下达到最大,为91.33%和81.211,显著高于其他贮藏方法,此时种子的电导率显著低于其他贮藏方法;(3)燕麦种子含水量达到4.53%时,种子活力最高,抗氧化酶活性也较高,种子内 SOD、POD、CAT 活性达到最大值,分别为0.794、199.56、19.97 U/(g·min)FW。5种不同贮藏方法中,对短期贮藏燕麦种子的优势表现为:超干贮藏>干燥贮藏>常温贮藏>冷藏贮藏>冷冻贮藏。
採用常溫、榦燥、超榦、冷藏、冷凍5種不同的貯藏方法,測定處理30、90 d 燕麥種子活力及抗氧化酶指標,結果錶明:(1)低溫貯藏促進燕麥根、苗的生長,最大分彆達到9.11 cm 和13.946 cm;(2)種子貯藏90 d 後,種子活力差異顯著,髮芽率、髮芽指數均在超榦貯藏條件下達到最大,為91.33%和81.211,顯著高于其他貯藏方法,此時種子的電導率顯著低于其他貯藏方法;(3)燕麥種子含水量達到4.53%時,種子活力最高,抗氧化酶活性也較高,種子內 SOD、POD、CAT 活性達到最大值,分彆為0.794、199.56、19.97 U/(g·min)FW。5種不同貯藏方法中,對短期貯藏燕麥種子的優勢錶現為:超榦貯藏>榦燥貯藏>常溫貯藏>冷藏貯藏>冷凍貯藏。
채용상온、간조、초간、랭장、냉동5충불동적저장방법,측정처리30、90 d 연맥충자활력급항양화매지표,결과표명:(1)저온저장촉진연맥근、묘적생장,최대분별체도9.11 cm 화13.946 cm;(2)충자저장90 d 후,충자활력차이현저,발아솔、발아지수균재초간저장조건하체도최대,위91.33%화81.211,현저고우기타저장방법,차시충자적전도솔현저저우기타저장방법;(3)연맥충자함수량체도4.53%시,충자활력최고,항양화매활성야교고,충자내 SOD、POD、CAT 활성체도최대치,분별위0.794、199.56、19.97 U/(g·min)FW。5충불동저장방법중,대단기저장연맥충자적우세표현위:초간저장>간조저장>상온저장>랭장저장>냉동저장。
Used five methods fo storing oat seeds,including ambient temperature,drying,ultra dry,refrigera-ted as well as frozen.The seed vigor and antioxidant index were measured after storage with 30 days and 90 days.The results showed that:(1 )low temperature in the storage promoted oat roots and seedling growth, which reached to 9.1 1 cm and 13.946 cm,respectively;(2)After the storage of 90 days,the germination rate and germination index reached the maximum of 91.33% and 81.21 1 in ultra dry storage conditions,which were significantly higher than that of other storages.Meanwhile,the seed of the conductivity was significantly lower than that of other storages;(3)When the moisture of oat seeds was 4.53%,the seed vigor was highest and ac-tivities of antioxidant enzymes was higher,the SOD,POD,CAT activity of oat seeds reached the maximum of 0.794 U/(g· min)FW,1 99.56 U/(g·min)FW,1 9.97 U/(g·min)FW,respectively.In conclusion,the effect rank of different storage methods on oat seeds in short term storage was ultra-dry storage>dry storage>stor-age under room temperature>cold storage>refrigeration storage.