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- The effect of La(NO 3) 3 on natural aged or artificial aged seed vigor of rice was studied. The results show that the germination rate, germination index and vigor index of aged seed of rice increase with La(NO 3) 3 treatments. 自然和人工老化的水稻种子经La(NO3) 3 处理后 ,发芽率、发芽指数、活力指数都有明显提高 ,呼吸作用增强 ;
- seed vigor indexes 活力指数
- The following norms were measured: seed germination percentage,germination index,vigor index, esterase activity and ascorbic acid content in seedlings. 实验结果显示:磁化水能够提高苦瓜种子的发芽率、发芽指数、活力指数,同时也能提高苦瓜幼苗的酯酶活性,但对抗坏血酸含量影响不大。
- The effects of PEG pretreatment on seed vigor of masson pine(Pinus massoniana)were studied. 研究了聚乙二醇(PEG)渗透处理对马尾松种子活力的影响。
- The germination rates, germination indexes and vigor indexes of the 8 accessions decreased with the increase of complex-salts concentration. 8份材料的种子在萌发过程中随着复盐浓度的增大,种子的发芽率、发芽指数和活力指数均有明显降低的趋势。
- The results showed that: seed vigor attained maximum value when the seed dry weight reached maximum value during seed maturation. 研究结果表明：新麦草种子活力随著种子的成熟而逐渐增加并于种子获得最大干重时，活力达到最高。
- In this study, the best treatment to enhance seed vigor of Pinus flexilis James. was under the condition of( 20%)PEG:(2d). 研究认为,提高柔枝松树种活力的最优处理是(20%25)PEG:(2d)。
- Effect of seed priming combined with chemical treatment on improving seed vigor of super sweet corn (Zea mays L. saccharata Sturt) was investigated. 本文对改善超甜玉米种子活力的方法进行了探索。
- The results showed that the weak magnetizing treatment had significant and constant positive effects on seed vigor comparing with control. 结果表明：弱磁场处理对种子活力表现极显著而稳定的正向效应。
- The results showed that germination percentage, germination index, vigor index of balsam pear seeds had been improved much when treated wi... 结论:一定强度的磁化水能提高苦瓜种子的萌发能力,并使幼苗生长整齐一致。
- Seed plumpness was a crucial factor for seed vigor, obviously influenced germination course, germination uniformity and seedling health. 在自然环境下光照不是毛竹种子萌发的必要条件,但高光强会抑制幼苗生长。
- Some seeds treated by 0.1% H2O2 have the highest germination rate and its high peak point, germination index, vigor index, peroxidase activity and superoxide dismutase activity. 1%25过氧化氢处理的种子，其发芽率、发芽指数、发芽率高峰值以及活力指数均最高。
- The priming evidently improved the vigor of seeds, and can keep 1, 2 and 3 month to the germination rate, germination index and the vigor index respectively. 引发可显著提高大葱种子活力，且对发芽率、发芽指数和活力指数的影响可分别保持1、2、3个月时间；
- Differences of Seed Vigor among Different Levels of Hard Seeds of Glycyrrhiza uralensis Fisch. 不同硬实程度乌拉尔甘草种子的活力差异。
- After soaking seed, maize seed vigor, plant root number, root fresh length, shoot breathe value, root breathe value and N,P,K content have remarkable difference extremely among six fertilizers. 肥料溶液浓度大于5.;0%25后造成烧种、烧苗。 肥料溶液浸种后;玉米种子活力、幼苗根数、根鲜重、苗呼吸值、根呼吸值、氮磷钾含量在六种肥料间有极显著差异。
- The result showed 10 min, 30 min and 50 min treatments could enhance the germination percentage, vigor index, respiration rate, CAT and amylase activities of cucumber seeds, vigor index and root activities of seedlings. 结果表明：10min、30min和50min的臭氧水处理黄瓜种子，可促进黄瓜种子萌发及幼苗生长，提高黄瓜种子的发芽率、活力指数，增加萌发种子的过氧化氢酶(CAT)和淀粉酶的活性以及呼吸速率，提高幼苗的壮苗指数和根系活力；
- Whereas, the seed vigor is an important internal factor,but the maximum of which is 39.8% and the average is only up to 34.6%, which is far lower than that of Pinus koraiensis and Cunninghamia lanceolata. 种子活力最高只有39.;8%25;平均只达到34
- Seeds soaked with carboxymethyl chitosan could increase the germination potential, germination rate, germination index, vigor index, bud length and root length under suboptimal temperature. 羧甲基壳聚糖浸种处理可提高次室温下小白菜种子的发芽势、发芽率、发芽指数、活力指数、芽长和根长。
- Pelleting was good to matter accumulation and growth, shoot height, radical length, fresh and dry weight of single seedling, vigor index significantly were higher than that in the coated control. 有利于幼苗物质积累与生长,株高、根长、单株鲜重、干重、活力指数,均明显高于包衣处理;
- Therefore, the germination rate of artificially aged seeds can be used correlation as an indicator for the prediction of seed vigor of Chinese kale. 经加速老化芥蓝种子发芽率与田间出苗率的相关程度最高,提供了老化法通过发芽率预测芥蓝种子活力的应用前景。
