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The chilling tolerance appraisal of melon seed could be used germination index and vigor index at 18 , but the latter was more correct and liable, whereas germination percentage could not be used to identify chilling tolerance of seed.

3利用电导法测定了甜瓜幼苗叶片电导百分率。7℃时的电导百分率与品种的耐冷性呈极显著负相关，且品种间差异十分明显，因而能较好地鉴定甜瓜苗期的耐冷性强弱。

We conclude that combined warm and cold stratification is able to release seed dormancy and enhance germination of the 2 Myrica species, and GA3 treatment is successful for germination of M. adenophora seeds without pre-stratification.

综合结果是暖低温层积能解除杨梅属种子的休眠，促进发芽，且激勃素GA3可使恒春杨梅种子在不预先层积处理下发芽成功。

These observations, coupled with the fact that GA stimulated germination of dormant Myrica seeds, provide evidence that endogenous ABA decreased dormancy break and that endogenous gibberellins, especially GA4 and/or GA1 are involved in germination.

此外，观察暖温、低温或暖低温层积处理后的种子胚部GAs含量发现，除了胚根已伸长的种子胚中的GA4含量增加外，其他各处理的GA1， GA3， GA7和GA20含量都很低。

The results showed that the four treatments of cytochrome c supplemented with ATP all suppressed the pollen germination and pollen tube growth, and induced nuclear DNA degradation, different treatments with different ratios of double nuclei, single nucleus, and no nuclei. Treatment with heavy concentration of ATP also restrained pollen germination and pollen tube growth, but can not induced nuclear DNA degration.

结果表明，细胞色素c和ATP混合处理的四个组合都能抑制离体花粉萌发和花粉管生长，并且引起了花粉管核DNA的降解，不同处理中双核、单核及无核花粉管所占比率存在明显差异；高浓度ATP虽能抑制花粉萌发和花粉管生长，但不能引起花粉管核DNA的降解。

The survival of oospores which were produced in the media was assessed after a winter. The methods promoting the oospore germination and the factors affecting the oospore germination were also investigated. Identfication of mating type, resistance to metalaxyl and isozyme genotype were performed on the F1 generations and parental isolates of oospores.

对马铃薯晚疫病菌在培养基上产生的卵孢子越冬后的存活能力、诱导卵孢子萌发的方法、影响卵孢子萌发的因素和卵孢子亲本及F_1代菌株的交配型、对甲霜灵抗性和同工酶基因型进行了初步测定和研究。

The author chooses different high voltage electrostatic field (200,300,400,500?kV/m) and different processing time (5,10,15,20?min) to process the paddy rice seeds, then measures and analyses the germination rate, the germination index, the plumule height, the vitality index etc.

选用不同的高压静电场(200，300，400，500kV/m)和不同的处理时间(5，10，15，20min)处理水稻种子，对水稻种子的发芽率、发芽指数、幼苗生长高度、活力指数等项指标进行检测和统计分析，试验设置相应对照组。

Based on the tissue culture, the effect of N-phenyl-N＇-1,2,3-thiadiazol-5-ylurea, 6- benzyla minoprine（6-BA） and 1-Naphthylacetic acid on spore germination, protonema develop- ment and bud differentiation in Entodon challenged was investigated in this paper. The whole process was observed and taken pictures. The results show that TDZ, 6-BA and NAA have no significant effect on the spore germination. During the process of protonema development, 1.0 mg/L NAA can promote the primary development of protonema significantly, and 0.4 mg/L TDZ promotes branches formation in inter- mediate stage of the protonema development.

：研究了3种植物生长调节剂苯基噻二唑基脲、6-苄基腺嘌呤（6-BA）、萘乙酸对密叶绢藓孢子萌发、原丝体发育及芽体发生的影响，并对整个发育过程进行了显微观察和照相，结果表明：（1）3种植物生长调节剂对密叶绢藓孢子萌发影响不显著；（2）在原丝体发育阶段，1.0mg／LNAA对原丝体初期的发育促进效果显著，0.4mg／LTDZ对原丝体发育中期分枝的形成促进效果显著，6。

Seed germination rate and germination speed and seedling root length are more sensitive to the extract than the other index. Allelopathy on Ligularia sagitta is different among the species tested in this study, Thermopsis lanceolata, Stellera chamaejasme, Aconitum sinomontanum, Ipornoea cairica, Ajania tenuifolia and Wedelia trilobata show better result. New natural herbicides may be developed from these 6 species.

不同供体植物对箭叶橐吾化感抑制程度不同，披针叶黄华、狼毒、高乌头、五爪金龙、细叶亚菊和南美彭琪菊的作用效果非常显著（综合化感效应指数M0.50），这6种植物有望开发天然除草剂。

The germination patterns performed significant difference between the pre-sowing treatments for all ten Calligonum species, and the speed and per cent germination of the Calligonum species can be greatly increased by mechanical scarification or sulphuric acid treatments.

沙拐枣植物的萌发模式在不同种子预处理间均表现出明显的差异性。

The microspore germination of self-pollination,self-plant-pollination and cross-pollination and the pollination microspore germination in and outside of stigma were observed with fluorescence microscopy.

采用荧光显微镜技术，观察自花授粉、自株花授粉、异花授粉下花粉粒的萌发生长，以及柱头内外授粉花粉粒的萌发情况。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。