灌浆期
- Grouting period;pustulation period
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SRI能够有效地延缓水稻叶片的衰老,对提高水稻群体后期群体质量,增强籽粒灌浆期的光合能力,起到了重要的作用。
SRI could effectively delay the senescence of rice leaves , which was very important to improve the quality of group at the later growth stage and strengthen the ability of photosynthesis of kernel at pustulation period .
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春小麦灌浆期功能叶~(14)C同化物源-库调控
Source sink Regulation of Assimilates from Functional Leaves During Grain Filling Stage in Spring Wheat
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冬小麦灌浆期~(14)C的同化、分配与调节
Assimilation and Allocation of 14 C during Grain Formation Stage in Two Wheat Cultivars as Regulated by Nitrogen and Sink Removal
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开花之前水分胁迫使SOD、POD活性增强,开花期各处理SOD活性均达到最高值,随后开始降低,灌浆期到乳熟期急剧降低;
Under water stress condition , SOD and POD activity enhanced before flowering stage .
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~(14)C示踪研究不同小麦品种开花、灌浆期的光合效率及同化物的运转与分配
~ ( 14 ) c - tracer study on photosynthetic rate and transference and distribution of the assimilatory substances during the flowering and filling periods in different wheat varieties
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灌浆期颖果叶绿素含量、光合速率、呼吸速率、CAT和SOD活性及颖壳叶绿素含量呈逐渐减小的变化趋势;
The chlorophyll content , photosynthetic rate , and activities of CAT and SOD in caryopses decrease gradually during the rice grain filling .
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春玉米籽粒灌浆期IAA对淀粉积累的作用及其机制的研究
Effect and Mechanism of IAA to Starch Accumulation in Grain During Grain-filling Stage in Spring Maize
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基于表面积分布,其灌浆期的变化动态趋势与体积分布相似,但量化趋势却与之相反,B型和C型淀粉粒在表面积分布中占主导地位。
Based on surface area , dynamic variation tendency of size distribution was similar to that based on volume , and the population of B-type and C-type starch granules was major component .
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从空间上看,在拔节期和灌浆期,小麦中PAHs和PCBs的含量表现出叶茎根穗的相同规律。
In Jointing and filling stages , PAHs and PCBs showed the same law : leaf stem root ear .
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灌浆期喷施6-BA对甜玉米一些生理指标的影响
Effects of Foliage Spray with 6-BA During Filling Stage on Some Physiological Indexes of Sugar Maize
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与CK处理相比,灌水可提高超高产小麦灌浆期旗叶、籽粒中蔗糖和可溶性糖的代谢活性。
Compared to the CK treatment , irrigation increased the metabolic activity of soluble sugar and sucrose of Super-high-yield wheat at filling stage .
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灌浆期的非光化学淬灭(qN)也比开花期低。
Non-photochemical quenching in filling stage was lower than flowering phase .
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小麦在干热风条件下的生理变化Ⅱ.干热风对小麦灌浆期~(14)CO2同化作用和~(14)C-同化产物累积的影响
Physiological changes of wheat under the dry-hot-wind condition ⅱ . effect of dry-hot-wind on the ~ ( 14 ) co_2-assimilation and accumulation of ~ ( 14 ) c-assimilates during grain filling period in Wheat
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低密度条件下花后群体光合速率高,物质净积累强度大,LAD值高,有效灌浆期长。
A small plant stand had higher canopy photosynthetic rate , higher dry matter accumulation rate , larger LAD value and longer active grain-filling duration .
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以华北平原冬小麦农田尺度为研究对象,采用涡度相关技术,研究冬小麦灌浆期瞬态CO2通量日变化特征及其与农田热量平衡各分量的关系。
The diurnal variation of instantaneous carbon dioxide flux and the relationship between it and components of farmland energy balance during grain filling stage of winter wheat by eddy correlation technique were studied .
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结果表明,在小麦返青至灌浆期,用SO2浓度为0.322mgm-3处理的小麦出现了伤害症状。
The experiment results showed : wheats treated by 0 322mg · m - 3 SO 2 appeared injury symptoms from the turning green stage to the milking stage .
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其中叶面积指数(LAI)和光合速率在吐丝期达到最大值,而光合势在灌浆期达到最大值。
The largest values of the LAI and the photosynthetic rate appeared in spinning stage , but the largest values of the LAD appeared in grain-filling stage .
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小麦各生育期CO2的平均日收支由大到小依次为拔节孕穗期>返青期>起身期>抽穗期>成熟期>灌浆期>出苗分蘖期>越冬期。
The average daily CO2 flux at different growing stages followed the order of : jointing and booting > reviving > erecting > heading > ripening > grain-filling > seedling and tillering > wintering period .
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结果表明,杂交稻根系TTC还原力、伤流强度在孕穗期出现峰值,SOD活性在齐穗期与灌浆期之间出现峰值;
The results show the peak of TTC deoxidizing ability and exudates intensity in the booting stage , and of SOD activity between the full heading and milk ripening stage is occurs ;
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通过温室盆栽试验,初步研究了UV-B辐射对灌浆期小麦叶片中黄酮类化合物含量日变化的影响。
Pot cultivation experiments in greenhouse were conducted to study the effects of enhanced UV-B radiation on the diurnal variations of flavonoids in wheat leaves during grain filling stage .
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DS-10对小麦灌浆期光合作用生理指标的影响
Effect of DS-10 on Physiological Index of Photosynthesis of Wheat in the Filling Period
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结果表明,CO2浓度倍增能提高拔节期成熟叶片和灌浆期成熟旗叶的Chl和Car的含量,并且能提高这两种叶片PSⅡ反应中心开放部分的比例。
The experimental results showed that the contents of chlorophyll and carotenoid , the proportion of opened PS II reaction center from the mature leaves at jointing stage and the mature flag leaves at grouting stage were raised with CO2 enrichment .
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吐丝期之前各处理间差异不显著,自灌浆期开始,各处理间均差异显著,成熟期各处理均达到最大值,其中CK比T1增加19.76%。
There were no significant differences before silking stage , and there were significant differences after filling stage , and each treatment reached the hightest value in maturity . CK increased 19.76 % compared to T1 .
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结果表明,小麦旗叶可溶性总糖和蔗糖含量在开花后30d出现高峰,籽粒可溶性总糖和蔗糖含量在灌浆期呈一致的下降趋势,可溶性糖含量变化与籽粒淀粉积累和粒重关系密切。
Contents of total soluble sugars and sucrose in grain decreased during grain filling stag , soluble sugar contents were closely related with grain starch accumulation and grain weight .
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纬度不变,海拔每升高100m,灌浆期平均延长1.33±0.149d,千粒重、株高和穗位高增加不明显。
When latitudes remained unchanged , each increment of 100 m in altitudes made the grain filling period 1.33 ± 0.149 d longer , and 1000 kernel weight , palnt height and ear height were not significantly increased .
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0~200cm土体总根干重于灌浆期值最大,之后下降。
The total weight of dry root in 0-200 cm soil layer reached its maximum at the grain filling stage and then began to decrease .
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O3胁迫条件下小麦籽粒灌浆期缩短,平均灌浆速率下降,导致千粒重降低,这是O3胁迫处理产量降低的主要决定因素。
Under E-O3 treatment , grain filling period was shortened , the average filling rate decreased , and 1000 grain weight decreased , which was the main factor resulting in the decrease of grain yield . 2 .
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同时,追氮T3处理籽粒灌浆期旗叶保持有较高的SPAD值,提高了花后旗叶的光合速率。
At the same time , the value of SPAD in flag leaf was kept highness in the treatment of T3 during grain filling , and which increased photosynthetic rate of flag leaf in post-anthesis of wheat .
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说明Aegilopscrassa细胞质与普通小麦的细胞核结合产生的特异核质互作,在灌浆期旗叶的有关同工酶上也有所体现。
All these results show that the interaction of Aegilops crassa 6x cytoplasm and common wheat nucleus can be expressed by relative activity of isoenzymes in flag leaves at filling stage .
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发现CO2倍增在分蘖初期、孕穗期、抽穗期、灌浆期和成就期对稻田CH4排放具有明显的促进作用,分别比对照增加了253%、288%、273%、273%、和157%。
Significant stimulation of CO 2 enrichment on CH 4 emission was found in the tillering , panicle initiation , booting , grain filling and maturity stages with the CH 4 emission increments of 253 % , 288 % , 273 % and 157 % , respectively .