seed set造句
例句與造句
- The remaining 128 suffered some degree of lowered seed set .
剩下的128株，種子產量有不同程度的減少。 - Improvement of seed setting percentage of cabbage self incompatibility line by spraying fertilizers in an ex - root way
根外追肥對提高甘藍自交不親和系結實率的效果 - The related coefficient between pollen , seed setting density and 1000 - seed weight is 0 . 1242 , - 0 . 0686 and - 0 . 1293 , respectively , but it is not significant
花粉粒大小、結實密度和千粒重之間的相關系數分別為0 . 1242 、 - 0 . 0686和0 . 1293 ，說明它們之間有一定的相關性，但相關不顯著。 - It was also observed that the “ inter - grain apical dominance ” in hybrid rice was stronger than its restorer , which might be one of the main reasons for low seed setting in hybrid rice combination
強勢粒對弱勢粒物質攝取能力的優(yōu)勢，可能是雜交稻籽粒結實率低下的重要原因之一。 - The variance of seed setting density and 1000 - seed weight of the different diploid seed plants is highly significant , but it is not significant in the different source of the same line
不同品系的二倍體種株材料在結實密度和千粒重之間的差異性也分別達到0 . 01的極顯著水平，但同一材料的不同母根之間差異性是不顯著的。 - It's difficult to find seed set in a sentence. 用seed set造句挺難的
- The primary factor to limit seed setting was the windy psychro - environment which limits the activities of insects , leading to the insect number to visited flowers decreased . all these factors induced the low setting percentage
結果表明，限制結實的主要因素是高寒多風的環(huán)境限制了昆蟲的活動，訪花昆蟲數量減少，從而使花粉轉移效率降低，導致了低的結實率。 - The effects of sowing dates on phenotype value of grain weight per plant , seed setting rate and path coefficients of seed setting rate were more effective than those on partial correlation coefficients between grain weight per plant and panicles per plaht , total spikelets per panicle and seed setting rate
播期對單株產量、結實率及結實率相對重要性影響較大，而對單株產量與單株有效穗、穗粒數及結實率的偏相關影響較小。 - Results according to the analysis and determination of imperatorin , carbohydrate components , amino - acid , extracts , ash and water content , the results showed that the harvest period of radix giehniae in october was appropriate , the process of being sliced with skin and dried under the sunshine or in the oven at low temperature after being washed quickly was the best , the effect of fermented bacteria fertilizer was the best and the second was k2so4 compound fertilizer and k2so4 fertilizer , the contents of carbohydrate components and extracts of radix glehniae " baiyintiao " were the highest and the content of imperatorin of radix glehniae " dahongpao1 was the highest , the quality of radix glehniae during blooming or seeds setting period was worse , the quality of radix glehniae planted in hucheng laiyang was better than those planted in anguo hebei and inner mongolia
結果：通過對歐前胡素、糖類成分、氨基酸、浸出物、灰分和水分的分析測定，結果表明：北沙參采收以10月份為宜；藥材加工以趁鮮水洗、帶皮切片曬干或低溫烘干最佳；追肥以酵素菌高效生物肥效果最好，其次為硫酸鉀復合肥、硫酸鉀；栽培品種“白銀條”的糖類成分和浸出物含量最高，而“大紅袍”的歐前胡素含量最高；當年開花和當年結種的北沙參質量較差；北沙參藥材質量以萊陽胡城產最佳，而河北安國和內蒙古產的則較差。 - It was found that there were changes to some extent in the main characters of the days from seeding to initial heading , plant height and seed setting rate when the seeds of the tested hybrid rice combinations and their parents were sowed at different time in hainan for the seed purity identification , and the changing extent was different between some hybrids and their parents , which would affect the accuracy of purity identification
摘要通過比較不同播種時期雜交水稻種子樣品在海南種植鑒定的農藝性狀表現，發(fā)現播始歷期、株高、結實率等主要性狀均表現出不同程度的變化，且部分組合與其親本的變化幅度不同，從而影響鑒定的準確性。 - The genetic correlations of six agronomic characters in some indica - japonica crosses were analyzed using mixed - linear model method . the results indicated that there existed correlations to a certain degree among the measured traits . the phenotypic correlations of plant height with filled grain or seed setting were significant . panicle length with total grains or filled grain , total grains with filled grain or seed setting , and filled grain with seed setting were the same . for panicle length with plant height or seed setting , total grains with filled , and for filled grain with seed setting , genetic correlations were also significant . further analysis , the result showed that genetic correlations between the measured traits were mainly due to domimant effects . in addition , additive correlations were significant for grain weight with panicle length or total grains or filled grain , and for total grains with filled grain
用混合線性模型方法對秈粳亞種間雜交組合農藝性狀的相關性進行了遺傳研究，結果表明：被測性狀之間大都存在一定程度的相關.其中，株高與實粒數、結實率，穗長與總粒數、實粒數，總粒數與實粒數和結實率，以及實粒數與結實率之間具有顯著的表型相關，總粒數與實粒數，實粒數與結實率，以及穗長與株高和結實率之間具有顯著的遺傳相關.進一步的分析表明，性狀之間的遺傳相關大多歸因于顯性效應，而粒重與穗長、總粒數和實粒數之間，以及總粒數與實粒數之間還具有極顯著的加性相關 - ( 3 ) the value of p / 0 of c . praecox is 2847 . 3 + 1125 . 0 , and the total value of oci is 3 . with the above results , pollen germination rate and seed set rate , all shows that breeding system of c . praecox is facultative hybridization . the breeding system of c . nitens is similar to c . praecox , but it is higher in proportion of self - pollination than that of c . praecox
( 3 )蠟梅p / 0值為2847 . 3 1125 . 0 、 oci累計分值等于3 ，與不同處理的花粉萌發(fā)率和結實率的結果一樣，都顯示蠟梅繁育系統(tǒng)為兼性異交類型；亮葉蠟梅繁育系統(tǒng)同蠟梅相似，但亮葉蠟梅的自交比例相對較高 - Secondly , we compared and analyzed the growing state , plant height , flower shape and seed setting ability , etc , of m2 tube seedlings and m3 greenhouse plants treated with low - energy n * . we found that the growth rates of m2 tube seedlings and m3 greenhouse plants were lower than that of control and the growth rate decreased with the treated doses from 60x1015 , 40x1015 to 80 x 1015 . vfe also found that many phenotypic variations appeared in m2 tube seedlings , including yellowing , lethality , semi lethality , morphological variation ( such as leaf and flower shape variations , plant height variation , etc )
最后，對80次劑量處現的擬南芥的mz代試管稍和60次劑員處理的m3代溫室茵采用rapd技術對dna的差異進行了分析，檢測發(fā)現經低能n ”注入處理的材料，其pcr條帶缺失或增加，而對照組未發(fā)現明顯的變化，而且條帶的變異率隨劑量的升高而上升，從引物的角度看， 80次劑量處理的比代試管苗的多態(tài)性表現為67 - Abstract : the main characters and seed set of bc1 ， bc2 ， bc1f2 from ms line back - crossing with the pollen of hybrid rice were studied . the appearance of a large number of self fertile plants in ms line was analyzed . the effect of introgression of restoring genes on ms line purity and hybrid yield in indica and japonica rice was discussed . it was pointed out that “ iso - cytoplasm restorer line ” was seriously reducing the purity of ms line and that hybrid rice was unsuitable for isolation zone in the seed production fields
文摘:研究了雜交稻花粉對母本不育系回交后代群體bc1 、 bc2 、 bc1f2的主要農藝性狀和育性表現，分析了不育系中出現大量自交結實株的原因，討論了恢復基因滲入對秈、粳不育系純度和雜交稻產量的影響，指出“同質恢”對降低不育系純度的嚴重性和雜交稻作制種田隔離區(qū)的不合理性。 - The study on the characteristics of development and seed setting of different spikelet and floret positions was important for the realization of big - spike - cultural - goal with more spikelets and grains . with both the winter type ( wv ) and spring type ( sv ) varieties sown at different dates , it was found that the greater seed setting capacity of spikelets resulted in more grain number of spike . the trend of differences in grain weight per spikelet between the different sowing dates and varieties was similar to that of grain number . the correlation between the average grain weight of middle spikelets and lower spikelets and the grain weight per spike was highly significant . the environmental changes resulted from different sowing dates mainly effected the middle spikelets development , even though the differences between wv and sv were represented in every spikelet positions . the grain weight on the second floret position was most sensitive to the development status of wheat plant and environmental changes , and could represent the yielid potential of the whole spikelet . the results showed that the enhancement of seed setting of the middle spikelets ( from 5th to 15th ) and the grain development from the first to third floret positions was a key to realize big - spike and grain
確定小麥不同小穗位和小花位發(fā)育與結實特性是實現大穗多粒的重要前提.本文通過對冬、春性小麥品種分期播種試驗得出,較高的小穗結實力是增加穗粒數的重要因素.不同播期、品種之間,小穗粒重和粒數呈現相同的變化趨勢.中部以及基部小穗粒重與穗粒重之間呈高度正相關.體現環(huán)境差異的播期效應以對中部小穗發(fā)育的影響為主,而冬、春性品種的基因型差異可反映在各個小穗位上.第2小花位的子粒發(fā)育狀況反映整個小穗的生產能力.結果表明,促進中部優(yōu)勢小穗(第5 15小穗)結實和第1 3小花位子粒發(fā)育是提高小花結實率和穗粒重的關鍵 - This paper firstly focused on and evaluated the pollination characteristics of c . praecox , in half - natural habitat of nanjing . we investigated flowering phenology , flowering patten , pollen viability , stigma receptibility , species of visitors , visiting rate of visitors and their foraging behavior . and we also investigated its breeding system , including pollen - ovule ratio ( p / 0 ) , out - crossing index ( oci ) , pollen grains deposited in stigmas , pollen germination rate and seed set rate with different treatments , from 2002 to 2004
試驗分別在2002 - 2003年和2003 - 2004年冬季進行，研究內容包括：花期物候觀察、花部形態(tài)觀察和統(tǒng)計、雌雄配子體功能測定、訪問昆蟲種類、訪問行為、訪花頻率和效率；同時對蠟梅繁育系統(tǒng)進行了檢測，檢測內容包括花粉胚珠比( p / 0 ) 、雜交指數( oci )及不同處理花粉萌發(fā)率及結實率檢測等等，同時還進行了蠟梅與亮葉蠟梅傳粉過程比較。