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种子劣变
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  seed deterioration
     A Review of the Advances in Study on Physiology of Seed Deterioration
     种子劣变的生理学研究进展综述
短句来源
     Advances in the Research of Seed Deterioration Mechanism
     种子劣变机制研究进展
短句来源
     But -when the seed deterioration did damage to the repairing system, the treatments were ineffective.
     预处理对膜的修复有良好的效果,可是当种子劣变已伤及修复系统时,这种处理就无效.
短句来源
     Third, relative electrical conductivity, the content of MDA and sinapine in seed exudates added with the increase of the seed deterioration degree .
     而种子中浸提液的芥子碱含量,相对电导率以及MDA含量则随着种子劣变程度增加而上升。
短句来源
     A STUDY ON SEED DETERIORATION IN SPRING SOYBEANS
     春大豆种子劣变的研究
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  “种子劣变”译为未确定词的双语例句
     A mathematical model on procedure of some physiology and biochemical during aging of Chinese Fir seed
     杉木种子劣变某些生理生化过程的数学模型
短句来源
     Studies on the Relationship of Soybean Lipoxygenase and Seed Aging
     大豆脂氧化酶与种子劣变关系的研究
短句来源
     The techniques of detecting superweak luminescence can be used as a fast and nondestructive method to detect indirectly the viability of seeds during processing and storing process.
     该文认为生物超弱发光检测技术可以作为种子活性的快速无损间接检测方法 ,应用于种子加工、储藏、培育等过程中种子劣变规律的研究
短句来源
     Urban) seeds were stored in drier in refrigerator at 4℃, in sealed drier containing saturated solution of potassium sulfocyanate at 15℃ and at 45% relative humidity, in room temperature, and in ambient temperature after the seeds were dried at 6.43% seed moisture (ultra-dry treatment).
     Urban)种子分别在4℃、15℃相对湿度(RH)45%及室温开放条件下贮藏,或新鲜种子进行超干处理将其含水量降到6.43%后密封贮存,以探讨种子劣变的生理机制。
短句来源
     A study on the changes in the peroxidase activity, seed viability, the conductance rate of seed (lixivium) of barley seed stored in different years was conducted.
     为了探明常温条件下贮藏的大麦种子劣变生理表现及不同用途大麦安全贮藏期限,以1997~2000年收获、贮藏的8个大麦品种32份种子为材料,对种子过氧化物酶活性、种子生活力、种子浸出液电导率变化规律进行了分析研究。
短句来源
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  相似匹配句对
     Advances in the Research of Seed Deterioration Mechanism
     种子机制研究进展
短句来源
     A STUDY ON SEED DETERIORATION IN SPRING SOYBEANS
     春大豆种子的研究
短句来源
     Influence of Losing Moisture Content on Deterioration of Vatica astrotricha Seed
     失水对青皮种子的影响
短句来源
     Deterioration and Plasmic Membranic Injury of China Fir Seeds
     杉木种子与质膜伤害
短句来源
     ULTRASTRUCTURAL STUDIES ON THE DETERIORATION OF PEANUT SEEDS
     花生种子中超微结构的研究
短句来源
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  seed deterioration
Seed deterioration is an irresistible physiological phenomenon.
      
The aim to study seed deterioration is to see if seed deterioration can be retarded artificially and the higher seed vigor of fine varieties be maintained.
      
The change of seed deterioration occurs in almost every system, and affects many kinds of enzyme and almost all organelle, as a result, the seed loses its vigor.
      
The reason of seed deterioration and the lost of seed vigor are mainly studied and discussed in this paper.
      
This paper discusses the effect of temperature upon the seed deterioration rate and it extends the formula to cover the effect of changing temperature conditions.
      
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Changes of viability in Allium odorum L. seeds under the storage of different conditions were studied.The results indicated that seeds lost their viability rapidly at high moisture and temperature. High temperature resistance of seeds might be increased under low moisture conditions and the seed longivity is lengthened.Some biochemical changes in seeds were determined. The results indicated that free fatty acid, catatase, phospholipid and electroconductivity were correlated with seed viability. During deterioration,...

Changes of viability in Allium odorum L. seeds under the storage of different conditions were studied.The results indicated that seeds lost their viability rapidly at high moisture and temperature. High temperature resistance of seeds might be increased under low moisture conditions and the seed longivity is lengthened.Some biochemical changes in seeds were determined. The results indicated that free fatty acid, catatase, phospholipid and electroconductivity were correlated with seed viability. During deterioration, the protein amount of seeds rarely changed, while-SH of protein decreased significantly.

对不同贮藏条件下韭菜种子的劣变速度进行了比较。结果表明,高温、高湿加速韭菜种子的劣变;而干燥,尤其是低温干燥则明显延缓劣变,延长其寿命。韭菜种子的劣变与种子细胞膜系统的破坏,蛋白质中SH基量的减少以及过氧化氢酶活性的丧失有关。这些指标与韭菜种子发芽势之间的相关系数迭显著或极显著。

The reciprocal relations between the deterioration of china-fir seeds and its injury of plasmic membranes described in this study from the angles of the mechanisms both physiology and biochemistry illustrated the activity both dehydroaenase and superoxide dismutase declined sharp in the course of natural ageing as well as accelerating ageing along with the time extend of treatment and the relative conductivity in the seed soak and the content of a soluble sugar or protein increased.

本文对杉木种子劣变与质膜伤害的关系进行了研究。研究表明,自然老化和人工老化的种子随着处理时间的延长,脱氢酶活性急剧下降;种子浸泡液的相对电导度、可溶性糖含量和可溶性蛋白含量显著增加,超氧物歧化酶(SOD)活性下降。显然,质膜伤害是杉木种子劣变的重要原因之一,杉木种子活力的保持与其体内能否维持较高水平的SOD活性有关。

Peanut seeds (Yueyou 116) having been treated with methanol for 1 h have lower vigour, with the vigour index being 29% of that in control. The permea- bility of cell membrane is greater; solute leakage increases. Preimbibition for 3h in chinese vermiculate following treatment with methanol can eliminate the stress effect of methanol to some extent, with the seed vigour restoring as well as the membrane repaired. During methanol stress, water made the injury more serious. There is no positive relationship between...

Peanut seeds (Yueyou 116) having been treated with methanol for 1 h have lower vigour, with the vigour index being 29% of that in control. The permea- bility of cell membrane is greater; solute leakage increases. Preimbibition for 3h in chinese vermiculate following treatment with methanol can eliminate the stress effect of methanol to some extent, with the seed vigour restoring as well as the membrane repaired. During methanol stress, water made the injury more serious. There is no positive relationship between the degree of injury to seeds and the concentration of methanol used, at least, among 50~100%.

花生种子(粤油116)经纯甲醇浸种1小时,活力明显下降,活力指数是对照的29%;细胞膜透性增大,浸种过程溶质渗漏增加。种子经甲醇胁迫后在珍珠岩中预吸水3小时,能部分地抵消甲醇的胁迫效应,种子活力提高,膜有所修复,水分的存在使甲醇的伤害作用更大,在种子劣变程度和甲醇浓度之间没有正相关。

 
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