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      chlorophyll
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  叶绿素
    Effect of Pseudomonas solanacearum infection on H2O2 metabolism and chlorophyll fluorescence parameters and their relations to disease resistance.
    青枯菌侵染对烟草叶片H_2O_2代谢、叶绿素荧光参数的影响及其与抗病性的关系
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    Effects of Chlorophyll Content and Stoma Density on Cucumber Resistance to Downy Mildew
    黄瓜对霜霉病的抗性与叶绿素含量、气孔密度的相关性
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    The relation between the contents of Chlorophyll in Alfalfa varieties and the resistance to Powder Mildew of Alfalfa
    苜蓿对白粉病的抗性与叶绿素含量的关系
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    Effect of Light on Chlorophyll Content and Inhibitory of the Infection of Tobacco Mosaic Virus of Nicotiana Glutinosa
    光照对心叶烟叶绿素含量及抑制烟草花叶病毒侵染的影响
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    Estimation of the Content of Winter Wheat Chlorophyll Influenced by Yellow Rust with Hyper Spectrum
    条锈病影响下冬小麦叶绿素含量的高光谱估计
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  叶绿素含量
    Effects of Chlorophyll Content and Stoma Density on Cucumber Resistance to Downy Mildew
    黄瓜对霜霉病的抗性与叶绿素含量、气孔密度的相关性
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    The relation between the contents of Chlorophyll in Alfalfa varieties and the resistance to Powder Mildew of Alfalfa
    苜蓿对白粉病的抗性与叶绿素含量的关系
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    Effect of Light on Chlorophyll Content and Inhibitory of the Infection of Tobacco Mosaic Virus of Nicotiana Glutinosa
    光照对心叶烟叶绿素含量及抑制烟草花叶病毒侵染的影响
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    Estimation of the Content of Winter Wheat Chlorophyll Influenced by Yellow Rust with Hyper Spectrum
    条锈病影响下冬小麦叶绿素含量的高光谱估计
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    Effect of CAU 9901 on the Growth and Chlorophyll Content in Seedling Leaves of Rice
    CAU 9901对水稻生长和叶绿素含量的影响
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  “chlorophyll”译为未确定词的双语例句
    The molecular mechanism of plant chlorophyll photosynthetic changes after virus infection
    病毒侵染后植物叶绿体光合作用变化的分子机制
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    Chlorophyll Fluorescence Sensing to Detect Stripe Rust in Wheat(Triticum aestivum L.) Fields Based on Fraunhofer Lines
    基于Fraunhofer线的小麦条锈病荧光遥感探测
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    The incidence and the disease index of alfalfa powdery mildew with 75kg/hm2 were lower than those of 45kg/hm2 and 105kg/hm2.The variation of some biochemical index of alfalfa cultivars such as the content of chlorophyll, the activity of peroxidase (POD) and activity of phenylalnine ammonia-lysae were analyzed by testing alfalfa seedling whose leaves have been inoculated and uninoculated.
    撒可富肥不同用量处理下,按75kg/hm~2量施用,各品种的病情指数和发病率显著低于按45kg/hm~2和105kg/hm~2量施用的病情指数和发病率。 因此,按75kg/hm~2的量施用撒可富肥可以有效减轻苜蓿白粉病的发生。
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    After added one seventh of (+)-limonene, and chlorophyll separately in (S)-(+)-3-carene, the attractions were reduced apparently.
    引诱效果次序为(S)-(+)-3-蒈烯、(S)-(+)-3-蒈烯+香叶烯、(S)-(+)-3-蒈烯+绿叶素、(S)-(+)-3-蒈烯+柠檬烯。
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    Treated with 0.5~2.0 mg/L MET,tube plantlets developed callus greatly,lost chlorophyll and growth was restrained.
    0 .5~ 2 .0 mg/L时 ,试管苗基部愈伤组织增多 ,枝叶失绿 ,生长受到抑制。
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  chlorophyll
       T3 had the lowest content of photosynthetic pigment; T1 and T2 did not differ from CK in the content of chlorophyll and carotenoid.
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       The ratio of chlorophyll a to b in the four groups ranged from 2.04 to 2.69 and the ratio of chlorophyll to carotenoid from 3.08 to 4.51.
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       Net photosynthetic rate was not significantly related to the contents of chlorophyll and carotenoid, the ratio of chlorophyll to carotenoid, relative air humidity and intercellular CO2 concentration.
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       Effects of different concentrations of nitrogen and phosphorus on chlorophyll biosynthesis, chlorophyll a fluorescence, and photosynthesis in Larix olgensis seedlings
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       The effects of nitrogen and phosphorus supply on chlorophyll biosynthesis, total nitrogen content, and photosynthetic rate were studied.
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         The result of the present investigation shows that the sudden wilting or death of the Rose geranium in summer in South China is mainly due to the mechanical injury fo its root system from the storms prevailing at this season. The water balance of the plant is then destroyed, its leaves are severely wilted and death may follow. In addition, the growth of the plant is also inhibited by the higher temperature, with the increase of ultra-violet rays in summer, the chlorophyll content of the leaves decreas...
            本文研究了香叶在厦门的越夏栽培生理问题,发现香叶夏季栽培高温暴雨引起的突然死亡的主要原因,在于暴雨和强风引起的机械损伤和伴随而来的根茎间水分供求的失调,然后引起植株强烈的灼伤,产生永久萎蔫而致死,研究中并肯定了高温、强光对香叶生长的抑制作用,这种作用和紫外光的强度有特殊的关系,试验证明,紫外光对叶绿素有很强的破坏作用;1%的硫酸铜对保持高温,强光下的叶绿素的确定性有积极意义。 在研究了栽培过程中引起不良影响的因素后,找到了良好的栽培管理、充足施肥和适时灌溉对保证香叶越夏有积极意义,通过研究,栽培的香叶已经成批的在大田条件下安全越夏,而且生长茂盛,可以肯定,在厦门进行香叶越夏栽培,防止衰枯和死亡是完全有可能的。
文摘来源
         Surface sterilized wheat leaf segments infected with rusts (chiefly P. triticina) were found to be capable of producing large amounts of uredospores in complete darkness when sufficient nutrients were furnished. Sporulation continued for 40-50 days in culture and finally some rust mycelia were found to extend from within the leaf segments on to surrounding media. It was proved through TTC staining, plasmolysis test and microscopic examination that host tissues remained alive only for about 10 days. These ob...
            感染叶锈菌(Puccinia triticina)的小麦病叶段經消毒后在无光条件下飼以充足养分能产生大量夏孢子堆;并在培养后40—50天仍能继續形成新鲜孢子堆,部分菌絲从叶段切面生出。經三苯基四唑化氯染色,质壁分离测定及切片鏡检观察証明寄主細胞在培养中存活的时限为10天左右。这些資料说明小麦锈菌具有一定腐生能力,作者对“绝对寄生性”的概念以及过敏反应的生物学基础作了評論。不同碳源中葡萄糖、果糖、蔗糖及甘油对叶段上孢子堆的形成都有极明显的促进作用;氮源以蛋白腖为佳,无机氮亦可代替。培养过程中夏孢子堆有时变黑而死亡,試驗証明这是由于酚类物质經多元酚酶作用而氧化,产生对菌具有更強毒性的醌类物质,最后形成黑色素。这一过程可以被还原性的抗坏血酸抑制。叶段上所产生夏孢子在合成培养基上能形成白色小菌落,对碳氮源的要求大体与叶段培养相同。飼标記葡萄糖(G_1~(14)及G_(1~6)~(14)标記)后测定証实锈菌及病組織葡萄糖酵解的HMP趋势較強,健組織则EMP趋势較強。病組織有机酸含G~(14)的量显著高于健組織;病健組織間叶綠素、醣及氨基酸中G~(14)的含量則无差异。抗、感病品种間醣的含量似无明显差异,酚的绝对含量与抗...
文摘来源
         Field and laboratory tests were conducted during 1980~1982 to eva- lute the compensation of rice plants to larval damage by the rice leaffol- der,Cnaphalocrocis medinalis(Guene'e),the rice variety used being 68~11。 The results indicated that rice plants have the ability to compensate for flag leaf damage by increasing the area and photosynthesis rates of the second leaf (next to flag leaf),when the flag leaf damaged over 50±5%,there was no significant yield reduction,but when the damage reached over 90%,the...
            1980~1982年作者曾在田间和实验室内测定水稻(品种新稻6811)对稻纵卷叶螟危害的补偿作用,结果如下。水稻被稻纵卷叶螟危害以后,表现出很强的自然补偿能力。水稻顶叶被害50±5%时,千粒重不受影响。当顶叶被害90%以上时,千粒重损失3.15%,P<0.05。空秕粒率无差别。虫害株的自然补偿作用,主要表现在倒2叶形态和生理的变化。叶面积比对照增加12.23%,P<0.01。总光合强度平均增加8.4896干重 mg·dm~(-2)·hr~(-1),P<0.05。呼吸强度平均增加0.4625mgCO_2·g~(-1)鲜叶·hr~(-1),P<0.05。叶绿素相对含量无变化。水稻顶叶被害50%,相当于田内理论载虫量59头/百丛。
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