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temperature and day
相关语句
  温度和日照
     (3) Time sequencing correlation analysis between pollen fertility, daily mean temperature and day length of 25-5d before heading indicated that all 10 sterile lines were sensitive to day length and temperature.
     (3)对花粉育性与抽穗前25~5d逐日日平均温度和日照长度的相关分析表明,10个不育系均为光温互作型不育系。
短句来源
     the fertility of the semiwinterness and winterness male sterile lines had a significant negative correlation only with the temperature during EJ and a significant positive correlation with both the temperature and daylength during JH period, belonging to the photethermosensitive male sterile group;
     半冬性不育系和冬性不育系的育性与出苗至拔节期的温度显著或极显著负相关,与日照长度相关不显著,与拔节至抽穗期的温度和日照长度显著正相关,属短日低温敏不育类型;
短句来源
  “temperature and day”译为未确定词的双语例句
     Through seed sowing at different times, it was found that the fertility of W6154S and 87N-123S wag influenced by temperature and day length and the fertility of An-None S-1 mainly by temperature.
     本文通过分期播种试验,发现W6154S育性受温度和光照的影响,安农S-1和87N123S的育性主要受温度的影响。
短句来源
     The soybean short petiole mutant NJ90L-1SP has a weak pillow character. The character is influenced by temperature and day length. The petiole of NJ90L-1SP is short (≤10.0 cm) with weak pillow only when monthly average temperature reaches to 24.5℃and day length is 14~15h.
     大豆短叶柄突变体NJ90L- 1SP 短叶弱枕性状的表达受光温反应影响较大,当月平均温度达到24 .5 ℃,光照长度为14 ~15h/d 时,NJ90L- 1SP 植株叶柄表现为短叶柄( ≤10 .0cm) 弱枕性状( 叶枕凹状) 。
短句来源
     The results of simulation test in the laboratory showed that when the temperature was between 17-26℃ and day length was 10-14 hours, the diapause rate significantly increased with the decrease of temperature and day length.
     室内模拟实验结果表明,在17~26℃、光照时间10~14h范围内,随着温度的降低和光照时间的缩短,滞育率明显提高。
短句来源
     The effects of seven genotypes with the same cytoplasm(Shaan 2A cytoplasm) and different nuclei and air temperatures(day mean temperature, day highest temperature and day lowest temperature) during day prior to flowering on the fertility expression of CMS line were studied in the experiment.
     以7个同质(陕2A胞质)异核不育系为试材,研究了基因型及开花前5~16d气温(日平均气温,日最高气温,日最低气温)对CMS育性的影响。
短句来源
     A female may lay 30-60 eggs. The starting temperature and day accumulative temperature for the egg's development are 20.3℃ and 39.2℃ day-1 respectively, 1-instar nymph does not feed.
     6月下旬产卵,每雌产卵30-60粒,卵发育起点温度20.3℃,积温39.2(日)度。
短句来源
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  相似匹配句对
     day.
     day。
短句来源
     The temperature for R.
     越冬卵孵化起点温度低于4℃。
短句来源
     Day
     日
短句来源
     T is temperature, ℃.
     T为温度,℃。
短句来源
     The temperature and humidity of the wards were recorded every day.
     用干湿温度计定时(每天)记录烧伤病房温湿度,并用多元相关和圆形分布统计学方法进行分析。
短句来源
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  temperature and day
The duration and intensity of activity were mainly proportional to water temperature and day length but some differences appeared between individuals.
      
Different patterns of seasonal body size variation can be controlled by factors such as temperature and day length which are exogenous to the colony but in species with higher levels of sociality these patterns may be controlled endogenously.
      
The flight behaviour ofPityogenes chalcographus, Nemosoma elongatum, Epuraea muehli andKarpinskiella pityophthori (a bark beetle parasite) on pheromone traps depending on temperature and day time was studied by aid of a new electronic instrument.
      
Seasonal changes in ambient temperature and day length are thought to modify habitual physical activity.
      
The coincidence of the shift from A2 to A1 with both the spring increase in temperature and day length, and with the timing of seaward migration presented a challenge for interpretation.
      
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Panicle-differentiation of the millet are divided into 6 stages accordingto morphological changes.They are:O.differentiation of stems andleaves primordium.Ⅰ.formation of the first primordia.Ⅱ.differentiationof panicle branches.Ⅲ.differentiation of spikelets and florets.Ⅳ.differentiation of stamens and pistil.Ⅴ.differentiation and formationof pollens.Durations of the different stages are affected greatly by the varietiesand the sowing time.It was shown by multiple correlation analysis thatdurations are closely...

Panicle-differentiation of the millet are divided into 6 stages accordingto morphological changes.They are:O.differentiation of stems andleaves primordium.Ⅰ.formation of the first primordia.Ⅱ.differentiationof panicle branches.Ⅲ.differentiation of spikelets and florets.Ⅳ.differentiation of stamens and pistil.Ⅴ.differentiation and formationof pollens.Durations of the different stages are affected greatly by the varietiesand the sowing time.It was shown by multiple correlation analysis thatdurations are closely related with maturity and mean temperature in theⅠ-Ⅳstages and with mean temperature and days with temperature ever30℃ in the Ⅴ.stage.The differentiation of top spikelets in a panicleare earlier than the lower ones by one stage and a little faster.The total leaf number of the main stem is linear with the appearanceand expansion of leaves in all stages,and with leaf remainder in theⅠ-Ⅳ stages.But no matter the total leaf number is larger or smallerthe last leaf always appears at the Ⅴ.stage,with leaf remainder closeto 1.5;and the last leaf always expands,and the last internode alwayselongates of the floweing time.Leaf age index is a parameter leastaffected by the total leaf number from the beginning to the end of thepanicle differentiation period,hence a very reliable index to deductthe panicle differentiation stage.The result of this studies indicatedthat the leaf age index at the different stages are:Ⅰ.0.42~0.44,Ⅱ.0.50~0.52,Ⅲ.0.59~0.61,Ⅳ.0.70~0.72,Ⅴ.0.87~0.89.

糜子幼穗分化经历六个时期:0、茎叶原基分化期,Ⅰ、第一苞原期,Ⅱ、枝梗系统分化期,Ⅲ、小穗、小花原基分化期,Ⅳ、雌雄蕊原基分化期,Ⅴ、花粉粒分化形成期。其中,我们重点对Ⅴ期作了观察。糜子幼穗分化的进程因品种熟性与播期差别很大。多元相关分析表明:分化进程在0~Ⅳ各期受日平均温度与品种熟性影响,在Ⅴ期受日平均温度与出现≥30℃高温日数影响。花序顶部小穗比基部小穗提早分化一个时期,分化速度也要快一些。内部穗分化与植株外部形态的关系表现为:Ⅰ~Ⅴ期的叶龄、出现叶及Ⅰ~Ⅳ期的叶龄余数与植株主茎总叶数成线性关系。伸长节在各期也因主茎总叶数而异。不论植株总叶数多少,Ⅴ期,最后一叶出现,叶龄余数相近(1.5);开花期叶片全部展开,穗颈节伸长。叶龄指数贯彻穗分化始终,不受植株总叶数影响,是推断穗分化进程较准确的指标。

The reaction of Adzuki Bean to different temperature and day length at

通过分期播种,研究小豆的生长前期在不同自然温光条件下的反应,并进一步揭示小豆的生物学规律。

Hippota dorsalis (Stal) belongs to the family Pentatomidae, which is a main pest of bamboo discovered recently and caused severe damage in bamboo grove. In Zhejiang Province, its infested area was only 13 ha in 1984, but enlarged to 12.9 thousand ha in 1987. The mortality of infested bamboo could be as high as 76%, and the brow-height circumference of new culm in next year would have a reduction from 13.18% to 54.78%. It has one generation a year. 2-4 instar nymphs overwinter under the litter, among which 4...

Hippota dorsalis (Stal) belongs to the family Pentatomidae, which is a main pest of bamboo discovered recently and caused severe damage in bamboo grove. In Zhejiang Province, its infested area was only 13 ha in 1984, but enlarged to 12.9 thousand ha in 1987. The mortality of infested bamboo could be as high as 76%, and the brow-height circumference of new culm in next year would have a reduction from 13.18% to 54.78%. It has one generation a year. 2-4 instar nymphs overwinter under the litter, among which 4 instar ones reach around 95%.In the following year, in early and mid-April when the mean day temperature is above 10℃, the nymphs will climb up to bamboo culm and feed in aggregation. There is a close relationshop between the number of nymphs climbing to bamboo culms and the relative humidity, which is a linear regression as Y=75.89-0.77x. If the temperature decreases or it is windy and rainy, the nymphs will climb down from the bamboo culms and try to hide themselves. Adults appear from the end of May to the beginning of June. Both the overwintered nymphs and the adults feed the old culms at the same time, and they have a habit of feigned death. After feeding for 15-35 days, the adults start to mate. The female may couple with the male for several times and then oviposit eggs on the back of the new culm's leaves in 30-45 days. A female may lay 30-60 eggs. The starting temperature and day accumulative temperature for the egg's development are 20.3℃ and 39.2℃ day-1 respectively, 1-instar nymph does not feed. There are 5 instars in the nymphal stage. The life span of the female is around 70 days. The nymph dropped down to the ground and overwinter under the litter.

竹卵圆蝽属蝽科,是近年来在竹子上新发生的重要害虫,1984年竹林发生面积仅13ha,1987年蔓延到1.29万ha。被害严重者毛竹枯死率高达76%,仅德清县3 000ha竹林3年内死竹45万株。被害竹林下年度出笋减少,新竹眉围下降13.18-54.78%,竹林荒芜。 此虫一年1代,以2~4龄若虫在地面枯枝落叶下越冬,4龄若虫占95%。次年需日均气温10℃以上3 d,即4月上中旬,越冬若虫爬行上竹,群集取食。5月下旬、6月上旬羽化成虫,成虫期3个月,雌成虫寿命70余天。6月下旬产卵,每雌产卵30-60粒,卵发育起点温度20.3℃,积温39.2(日)度。若虫5龄,1龄若虫不取食。若虫于10月底、11月上旬越冬。

 
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