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   ear characteristics 在 农作物 分类中 的翻译结果: 查询用时:0.235秒
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  果穗性状
    Effect of Water Stress on Maize Kernel Yield and Ear Characteristics During Tasselling Stage
    抽雄期水分胁迫对玉米籽粒产量及其果穗性状的影响
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    It would deteriorate its ear characteristics, and decrease significantly ear kernel number and 100-kernel weight as well as economic yield of maize.
    进而引起果穗性状恶化 ,穗粒数和百粒重减小 ,最终导致经济产量大幅下降。
短句来源
    The ear characteristics were deteriorated and the economic yields of maize decreased significantly under water stress.
    水分胁迫导致夏玉米果穗性状恶化,经济产量大幅下降。
短句来源
    The results showed that :under water deficit, chlorophyll content of su mmer maize leaves、 photosynthetic area、 photosynthetic rate、 transpiration r ate decreased, which would deteriorate its ear characteristics and decreased si gnificantly the economic yields of maize.
    结果表明:水分胁迫下,夏玉米叶片叶绿素含量、光合面积、光合速率、蒸腾速率减少,引起果穗性状恶化,导致经济产量大幅下降。
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  ear characteristics
Because the effects of farmers' selection practices are confined largely to ear characteristics, their practices appear to offer only limited scope for variety improvement.
      
Analysis of morphological and genetic data suggests that when subjected to significant gene flow through cross-pollination, ear characteristics are maintained through farmers' selection even though other characteristics may continue to evolve.
      
Most farmers select their maize seed based primarily on ear characteristics and secondarily on grain characters.
      
In this study we recorded auditory brainstem responses to airborne sounds to determine the hearing sensitivity of Xenopus laevis frogs and correlated their hearing profiles with middle ear characteristics.
      
Auditory brainstem responses to airborne sounds in the aquatic frog Xenopus laevis: correlation with middle ear characteristics
      


Leaf growth of wheat plants, tiller emergence and the effectiveears from tillering, the emergence and death dynamics of populational stemsand tillers, the developmental dynamics of leaf area index, the accumulationdynamics of populational dry matter, the yield and yield components underdifferent planting patterns (namely, broad casting, sparse dibbling, drilling andclose dibbling)and different planting rates(1.2×10~5 seedlings/mu and 1.8×10~5seedlings/mu) were studied. The results showed that close dibbling...

Leaf growth of wheat plants, tiller emergence and the effectiveears from tillering, the emergence and death dynamics of populational stemsand tillers, the developmental dynamics of leaf area index, the accumulationdynamics of populational dry matter, the yield and yield components underdifferent planting patterns (namely, broad casting, sparse dibbling, drilling andclose dibbling)and different planting rates(1.2×10~5 seedlings/mu and 1.8×10~5seedlings/mu) were studied. The results showed that close dibbling was able bothto promote and control tillering, making long productive tillering stage andhigh productive tillering rate, as well as making density control easier. Thedensity increase showed a remarkable increase of effective tillering and higheryield than those of other planting patterns. The ear characteristics did notworsen. The results also showed that the emergence and death dynaemics ofpopulational stems and tillers and the developmental dynamics of leaf area indexwere rational and dry matter accumulation was higher under close dibbling.

研究了小麦不同播种方式(撒播、稀点播、条播、密点播)和两种密度下(1.2×10~5苗/亩和1.8×10~5苗/亩)的麦株叶片生长,分蘖生长与成穗,群体茎蘖消长动态,叶面积指数发展动态,群体干物质积累,产量及产量构成因素。结果表明,密点播小麦容易控制密度能促进分蘖发生,有效分蘖期长,分蘖成穗率高,从而显著增加有效穗数,同时穗部性状不变劣,获得比其它播种方式较高的产量。此外.密点播小麦群体的茎蘖消长及叶面积指数发展动态较合理,干物质积累较多。

A study on maize kernel yield and ear characteristics under diverse water stress was dealt with different drought resistant maize cultivars. The declination in the kernels yield under water stress at tasselling stage was mainly resulted in the reduction of kernel numbers per ear which increase of bald tip and reduction of grain numbers per row caused. It showed that drought resulted in unencountering of flowering phase and increase of abortive kernels. The drought resistant cultivar can maintain...

A study on maize kernel yield and ear characteristics under diverse water stress was dealt with different drought resistant maize cultivars. The declination in the kernels yield under water stress at tasselling stage was mainly resulted in the reduction of kernel numbers per ear which increase of bald tip and reduction of grain numbers per row caused. It showed that drought resulted in unencountering of flowering phase and increase of abortive kernels. The drought resistant cultivar can maintain higher yield.

以不同抗旱性玉米品种为试材 ,在不同强度水分胁迫下 ,玉米穗粒数的减少是抽雄开花期产量降低的主要限制因子 ,而秃尖增长和行粒数减少是穗粒数降低的主要因素 ,说明干旱导致雌穗发育受阻 ,花期不遇 ,籽粒败育率增加。抗旱性强的品种维持产量的能力较强

The field trial was conducted to study heterosis of ear characteristics,relationship between difference in days of growing stage for biparent and ear grain weight,and correlation for ear characteristics between hybrid and parents.Effects indicated that heterosis for ear grain weight and ear weight was highest,following by ear grain num-ber,thousand-grain weight,ear length and ear width,and that for row number was lowest.No correlation between heterosis of ear...

The field trial was conducted to study heterosis of ear characteristics,relationship between difference in days of growing stage for biparent and ear grain weight,and correlation for ear characteristics between hybrid and parents.Effects indicated that heterosis for ear grain weight and ear weight was highest,following by ear grain num-ber,thousand-grain weight,ear length and ear width,and that for row number was lowest.No correlation between heterosis of ear grain weight and difference in growing stage of biparent was found.Ear length and ear row number of hybrid were positively correlated with ear length and row number of female parent and mean of biparent.Thousand-grain weight of hybrid was positively correlated with mean of biparent.

研究了玉米穗部性状的杂种优势,双亲生育期间隔长短与F1穗粒重的关系以及穗部性状亲子相关。结果表明:穗粒重、穗重的杂种优势最大,其次为穗粒数、千粒重、穗长、穗粗,穗行数为最小。F1穗粒重杂种优势与双亲生育期间隔长短无关。杂交种穗粗、穗行数与母本穗粗、穗行数以及中亲值呈正相关,杂交种千粒重与中亲值呈正相关。

 
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