CAJ | 학술논문

在室温下测定10种木兰科植物种子的储藏时间及在室温、4℃、-18℃三种温度下测定其中5种木兰科植物种子的储藏时间。结果表明，10种木兰科植物种子在室温条件下的发芽率、发芽势和保存时间均差异较大。5种木兰科植物种子在4℃贮藏条件下发芽率最高，发芽率降低最慢，保存时间最长；其次是-18℃储藏，室温储藏最差；随着贮藏时间的延长，种子发芽率下降，但发芽所需天数减少，出土整齐度提高，表明其种子具有休眠现象。美丽紫玉兰和深山含笑均在4℃下发芽势最高，在室温下次之，在-18℃下最差；14 d是5种木兰科植物种子出土萌发最旺盛的时间，不同的温度对种子达到此时间的影响不大，因此，4℃低温贮藏和保证高发芽率是提高种子发芽势的有效途径。木兰科植物种子以随采随播的发芽率最高；其萌发前所需休眠时间因种类不同而不同；在不同保存条件下，种子保存时间差别较大。
재실온하측정10충목란과식물충자적저장시간급재실온、4℃、-18℃삼충온도하측정기중5충목란과식물충자적저장시간。결과표명，10충목란과식물충자재실온조건하적발아솔、발아세화보존시간균차이교대。5충목란과식물충자재4℃저장조건하발아솔최고，발아솔강저최만，보존시간최장；기차시-18℃저장，실온저장최차；수착저장시간적연장，충자발아솔하강，단발아소수천수감소，출토정제도제고，표명기충자구유휴면현상。미려자옥란화심산함소균재4℃하발아세최고，재실온하차지，재-18℃하최차；14 d시5충목란과식물충자출토맹발최왕성적시간，불동적온도대충자체도차시간적영향불대，인차，4℃저온저장화보증고발아솔시제고충자발아세적유효도경。목란과식물충자이수채수파적발아솔최고；기맹발전소수휴면시간인충류불동이불동；재불동보존조건하，충자보존시간차별교대。
The shelf-life of ten species of Magnoliaceae seeds were studied. A series of results were gotten as follows: it was different in germination rate, germination potential and the storage time between ten species;the best temperature which the seeds could be of the highest germination rate and the longest time was 4℃, then -18℃, the lowest was at room temperature;the seed germination rate was highest when seeding without storage, after a period of time of low temperature storage, the even degree of seed germination was higher, but the seed germination rate was lower, and that showed the seeds of Magnoliaceae species had seed dormancy;the germination potential of Magnolia concinna and Michelia maudiae were highest at 4℃, then room temperature, the lowest was at -18℃;the highest germination potential was gotten in the fourteenth day, and the temperature had a little affect on it, so storage at 4 ℃ and high germination rate was an important way to improve the germination potential. The results showed sowing the seeds after harvesting could get the highest germination rate for Magnoliaceae species;the time of seed dormancy was different between species;the storage time was different in different storage conditions.