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leaf color
相关语句
  叶色
    Leaf Color Marker Technology and Functional Rice
    叶色标记技术与功能稻米
    PRN 2 had normal leaf color and the other three showed different degrees of chlorophyll deficiency at low temperature.
    在低温下PRN 2叶色正常 ,其余 3株幼叶表现不同程度缺绿。
短句来源
    The amount of fertilization was adjusted according to the variation of fertility in soils, the situation of disaster, weather and crop leaf color for high-efficiency fertilization.
    在同一个施肥区内根据土壤肥力变化、病害、气候、叶色等情况调整施肥量 ,使水稻施肥达到高精度水平。
短句来源
    The background and importance of three research topics such as green-re vertible albino leaf color marker, turfgrass with the natural colorful leaves, and rice enriched with functional components were briefly introduced in the current paper.
    本文简要介绍了白化转绿型叶色标记、纯天然彩色系列草坪草、功能稻米等三方面研究的背景及其意义,包括选育苗期携带白化转绿型叶色标记不育系,形成全新的杂交水稻种子纯度检测和保障体系;
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  leaf color
Leaf color, leaf N, and N concentration of one-year-old wood and roots were similarly increased relative to control by both soil and foliar N application.
      
Leaf color (as SPAD readings) and N concentrations (mg/g), and soil NH4+-N and NO3--N were measured periodically throughout the two seasons.
      
Leaf color was scored on a scale of 1 to 5, in which 1 was dark green and 5 was bright yellow.
      
The group is defined by fruit flavor, mature leaf color, number of tertiary divergent veins, and pubescent bracts in the inflorescence.
      
Only the diversity indices for leaf color of seedlings, starch composition and 1000-grain weight showed significant differences among regions.
      
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OPAL granulated organic compound fertilizer is a “green” fertilizer approved by the Green Food Development Center of Chinas Ministry of Agriculture.This fertilizer contains 10% N,8% P 2O 5,7%K 2O,40% organic matter and combines quick acting nutrients and slow acting nutrients.When it is applied at late growth stage of rice as a jointing fertilizer,the growth of rice is well promoted,for example,the rice stem appears thickset;the plant type is...

OPAL granulated organic compound fertilizer is a “green” fertilizer approved by the Green Food Development Center of Chinas Ministry of Agriculture.This fertilizer contains 10% N,8% P 2O 5,7%K 2O,40% organic matter and combines quick acting nutrients and slow acting nutrients.When it is applied at late growth stage of rice as a jointing fertilizer,the growth of rice is well promoted,for example,the rice stem appears thickset;the plant type is compact;the leaf color looks clear and pretty;the growth is vigorous;the adverse resistance is enhanced;the development of branches on young panicle is accelerated;the mass reduction of glumous flowers is prevented;the filled grain number is increased;the rice grain quality and eating quality are improved. When it is applied at doses of 7.5~25.0 kg/666.7m 2, neither lodging nor prolonged vegetative growth and retarded ripening phenonema are observed.In conclusion,OPAL fertilizer can be substituted for a part of chemical fertilizers,its use will raise the proportion of organic fertilizer at the late growth stage of rice and thereby open a new path to produce efficiently safe,high quality,green rice and improve ecological environment.

奥普尔有机复肥 (粒 )是中国农业部绿色食品发展中心认定的绿色肥料 ,含纯 N10 % ,P2 O58% ,K2 O7% ,有机质 4 0 % ,腐殖酸 12 % ,兼有速效养分和缓效养分的特点 ,在水稻后期作拔节肥使用 ,能促进水稻茎秆粗壮 ,株型紧凑 ,叶色清秀 ,生长健壮 ,提高抗性 ;促进幼穗枝梗发育 ,防止颖花大量减少 ,增加实粒数 ;改善水稻米质和适口性。施肥量在 7.5~ 2 5.0 kg/ 6 6 6 .7m2 水平时 ,没有倒伏和贪青迟熟现象。可以代替部分化肥 ,提高水稻后期有机肥料比重 ,为高效生产安全、优质、绿色的稻米 ,改善生态环境开拓新路。

Crosses of Ogura CMS Brassica campestris var. purpuraria×Raphanus sativus×Brassica napus were made and four hybrids were produced. One plant (PRN 1) was mosaic with yellow and milk white flowers and some flowers had both yellow and white petals. The others (PRN 2, 3, 4) had white flowers. PRN 4 had degenerated anthers, the other three had three to six anthers and could produce some pollens, but the pollens of PRN 2 were unstainable by I 2 KI solution. PRN 2 had four normal honey glands,...

Crosses of Ogura CMS Brassica campestris var. purpuraria×Raphanus sativus×Brassica napus were made and four hybrids were produced. One plant (PRN 1) was mosaic with yellow and milk white flowers and some flowers had both yellow and white petals. The others (PRN 2, 3, 4) had white flowers. PRN 4 had degenerated anthers, the other three had three to six anthers and could produce some pollens, but the pollens of PRN 2 were unstainable by I 2 KI solution. PRN 2 had four normal honey glands, PRN 1 and PRN 3 had two, and PRN 4 had none. PRN 2 had normal leaf color and the other three showed different degrees of chlorophyll deficiency at low temperature. The chromosome number of PRN 1 was 2n=38 and had the mean chromosome paring configuration of 14 67Ⅰ+10 07Ⅱ+1 06Ⅲ, and its chromosome set constitution might be AACR. This chromosome constitution may be due to the fertilization of female gamete of n=19 (AR) with male gamete of n=19 (AC) from B. napus. The occurrence of mosaic flower color in this plant may be attributed to the chromosome abnormalities caused by wide hybridization, such as chromosome deficiency and the formation of chromosome fragments and chromosome bridges. The chromosome number of PRN 2 was 2n=35 and the mean chromosome paring configuration was 13 89Ⅰ+8 33Ⅱ+1 33Ⅲ+0 11Ⅳ. The chromosome number of PRN 3 was 2n=33 and the mean chromosome paring configuration was 14 00Ⅰ+7 82Ⅱ+1 00Ⅲ+0 09Ⅳ. The chromosome number of PRN 4 was not determined as there was no pollen mother cell formation. Chromosome bridges and laggards were observed in PRN 1~3. Some seeds were harvested from PRN 1~ 3 but none was harvested from PRN 4 when backcrossed with B.napus . It seems possible for us to overcome the chlorophyll deficiency and honey gland abnormality and restore the male fertility in Ogura CMS by introduction of the nucleus of R.sativus into this cytoplasmic male sterile line.

以OguraCMS紫菜苔×萝卜杂种F1(AR ,2n =19)为母本 ,以甘蓝型油菜 (AACC ,2n =38)为父本进行杂交 ,获得了 4棵杂种植株。其中 1株 (PRN 1)的花色为嵌合体 ,该植株上的花多为黄色 ,但是也有乳白色花 ,另外还有 1朵花甚至 1个花瓣上同时具有黄色和白色区域 ,其余 3株 (PRN 2、 3、 4 )都开白花。PRN 4的花药开花前退化 ,其余 3株都可以看到 3~ 6枚花药 ,能够产生部分花粉 ,但是PRN 2的花粉不能被I2 KI溶液染色。PRN 2具有 4个蜜腺 ,PRN 1和PRN 3具有 2个蜜腺 ,PRN 4无可见蜜腺。在低温下PRN 2叶色正常 ,其余 3株幼叶表现不同程度缺绿。PRN 1的染色体数目为 2n =38,染色体平均配对构型为 14 6 7Ⅰ +10 0 7Ⅱ +1 0 6Ⅲ ,其染色体组构成可能是AACR ;PRN 2的染色体数目为 2n =35 ,染色体平均配对构型为 13 89Ⅰ +8 33Ⅱ +1 33Ⅲ +0 11Ⅳ ,PRN 3的染色体数目为2n =33,染色体平均配对构型为 14 0 0Ⅰ +7 82Ⅱ +1 0 0Ⅲ ...

以OguraCMS紫菜苔×萝卜杂种F1(AR ,2n =19)为母本 ,以甘蓝型油菜 (AACC ,2n =38)为父本进行杂交 ,获得了 4棵杂种植株。其中 1株 (PRN 1)的花色为嵌合体 ,该植株上的花多为黄色 ,但是也有乳白色花 ,另外还有 1朵花甚至 1个花瓣上同时具有黄色和白色区域 ,其余 3株 (PRN 2、 3、 4 )都开白花。PRN 4的花药开花前退化 ,其余 3株都可以看到 3~ 6枚花药 ,能够产生部分花粉 ,但是PRN 2的花粉不能被I2 KI溶液染色。PRN 2具有 4个蜜腺 ,PRN 1和PRN 3具有 2个蜜腺 ,PRN 4无可见蜜腺。在低温下PRN 2叶色正常 ,其余 3株幼叶表现不同程度缺绿。PRN 1的染色体数目为 2n =38,染色体平均配对构型为 14 6 7Ⅰ +10 0 7Ⅱ +1 0 6Ⅲ ,其染色体组构成可能是AACR ;PRN 2的染色体数目为 2n =35 ,染色体平均配对构型为 13 89Ⅰ +8 33Ⅱ +1 33Ⅲ +0 11Ⅳ ,PRN 3的染色体数目为2n =33,染色体平均配对构型为 14 0 0Ⅰ +7 82Ⅱ +1 0 0Ⅲ +0 0 9Ⅳ。PRN 4的染色体数目未能确定。与甘蓝型油菜回交后PRN 1~ 3植株各自产生了一定数量的种子 ,而PRN 4则未产生种子。对这些杂种及其后代的遗传及育种意义进行了讨论

According to the testing result of soil fertility in Tongcheng city, the regression experiment in chemical fertilizer for the different soil fertility levels was conducted. The optimum amount of fertilization was studied through the experiment. The amount of fertilization was adjusted according to the variation of fertility in soils, the situation of disaster, weather and crop leaf color for high-efficiency fertilization. Rice yield has increased through the technical application since 1997.

应用土壤肥力监测结果 ,按不同土壤和肥力水平 ,在桐城市分区设立化学肥料的八元二次回归试验。通过简化复杂的运算过程 ,研究水稻不同时期的最佳施肥量。在同一个施肥区内根据土壤肥力变化、病害、气候、叶色等情况调整施肥量 ,使水稻施肥达到高精度水平。从 1997年以来稻谷产量和收入不断增加

 
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