热带农业科学
熱帶農業科學
열대농업과학
CHINESE JOURNAL OF TROPICAL AGRICULTURE
2014年
10期
36-41,47
,共7页
罗小燕%张瑜%王文强%王秋燕%丁西朋%白昌军
囉小燕%張瑜%王文彊%王鞦燕%丁西朋%白昌軍
라소연%장유%왕문강%왕추연%정서붕%백창군
柱花草种子%低温贮藏%贮藏年限%萌发特性
柱花草種子%低溫貯藏%貯藏年限%萌髮特性
주화초충자%저온저장%저장년한%맹발특성
Stylosanthes spp.%low temperature%storage duration%germination characteristic
为确定柱花草种子在低温条件下的安全贮藏年限,本研究以低温环境(5~7℃)下贮藏1~8 a 的9份柱花草种子为实验材料,通过测定其发芽率、发芽指数、活力指数,对不同贮藏年限柱花草种子的萌发特性进行研究。结果表明:在5~7℃条件下,柱花草种子活力(发芽率、发芽指数、活力指数)随贮藏时间的增加而降低,西卡柱花草种子耐贮藏能力显著低于圭亚那柱花草,而圭亚那柱花草中 TPRC90105柱花草种子最耐贮藏, TPRC90144柱花草种子最不耐贮藏。据试验结果确定,圭亚那柱花草种子低温条件下的贮藏年限应不超过5 a,而西卡柱花草种子应不超过4 a。该研究结果为柱花草种子的长期、安全贮藏提供了有力的理论依据。
為確定柱花草種子在低溫條件下的安全貯藏年限,本研究以低溫環境(5~7℃)下貯藏1~8 a 的9份柱花草種子為實驗材料,通過測定其髮芽率、髮芽指數、活力指數,對不同貯藏年限柱花草種子的萌髮特性進行研究。結果錶明:在5~7℃條件下,柱花草種子活力(髮芽率、髮芽指數、活力指數)隨貯藏時間的增加而降低,西卡柱花草種子耐貯藏能力顯著低于圭亞那柱花草,而圭亞那柱花草中 TPRC90105柱花草種子最耐貯藏, TPRC90144柱花草種子最不耐貯藏。據試驗結果確定,圭亞那柱花草種子低溫條件下的貯藏年限應不超過5 a,而西卡柱花草種子應不超過4 a。該研究結果為柱花草種子的長期、安全貯藏提供瞭有力的理論依據。
위학정주화초충자재저온조건하적안전저장년한,본연구이저온배경(5~7℃)하저장1~8 a 적9빈주화초충자위실험재료,통과측정기발아솔、발아지수、활력지수,대불동저장년한주화초충자적맹발특성진행연구。결과표명:재5~7℃조건하,주화초충자활력(발아솔、발아지수、활력지수)수저장시간적증가이강저,서잡주화초충자내저장능력현저저우규아나주화초,이규아나주화초중 TPRC90105주화초충자최내저장, TPRC90144주화초충자최불내저장。거시험결과학정,규아나주화초충자저온조건하적저장년한응불초과5 a,이서잡주화초충자응불초과4 a。해연구결과위주화초충자적장기、안전저장제공료유력적이론의거。
To investigate the effects of storage years on seeds and confirm effective storage duration of Stylosanthes spp. seeds, the germination characteristics, including germination rate, germination index and viability index, of Stylosanthes seeds with different storage years in low temperature (5~7℃ ) were determined. It was found that with the storage years of Stylosanthes seeds increased, germination viability of seeds all reduced and was different in different Stylosanthes germplasms. The storage tolerance of S. scabra cv. Seca seeds was significantly lower than S. guianensis, and the storage tolerance of TPRC90105 seeds was highest and that of TPRC90144 seeds was lowest in S. guianensis. The results show that the effective storage duration of S. guianensis seeds is 1~5 years and that of S. scabra seeds is 1~4 years. The results provide theoretical basis for the store and use of Stylosanthes germplasm resource seeds.