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叶片取食
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  “叶片取食”译为未确定词的双语例句
     We also examined the performance of either aphid species on the same cabbage leaf by previous feeding of M. persicae or L. erysimi and measured nutritional changes in the leaves ,i.
     运用“H”型嗅觉仪测定了蚜虫取食甘蓝在调节两种蚜虫种内种间关系中的作用; 研究了异种蚜虫取食为害后相同及不同部位叶片取食为害对桃蚜、萝卜蚜生长、发育和繁殖的影响;
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  相似匹配句对
     The cucumber leaves was unfavorable for aphids which were living on cotton.
     黄瓜叶片不利用于棉花上棉蚜的取食
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     leaf>leafstalk.
     叶片>叶柄。
短句来源
     leaf> leafstalk.
     叶片>叶柄。
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     they live on leaves and stems of Tamarix, and cause damage of up to 90%.
     取食柽柳叶片和嫩茎皮,为害率达90%。
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     eichhorniae, which were introduced from Thailand, was studied in this paper.
     eichhorniae的取食习性。
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  foliar feeding
Most cultivars were found susceptible to 3rd-instar larvae based on the incidence of dead heart symptoms, foliar feeding and stem tunnelling caused by stem borers in both the field and screenhouse experiments.
      
Three separate greenhouse experiments were conducted to determine the bi-directional N transfer in a peanut and rice intercropping system using the direct 15N foliar feeding technique at N application rates of 15, 75 and 150?kg ha-1.
      
After 24?h of foliar feeding, the amount of Mir1-CP in the root xylem increased and it appeared to move from xylem parenchyma into the root metaxylem elements.
      
Foliar Feeding of Cotton: Evaluating Potassium Sources, Potassium Solution Buffering, and Boron
      
In previous studies, the cultivars Davis and Sharkey have been very susceptible to foliar feeding insects.
      
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Development,survival,and reproduction of the spieder mite Schizotetranychus bambusae Reak.on the detached leaves of the moso bamboo Phylostachys pubescens Mazel from 1 - 4 yr - old bamboo growers, were evaluated in the laboratory. The developmental periods of the immature stages were significantly different among the four diets. The spider mite had the longest immature developmental times (6. 3 d) on the leaves from 3 yr-old growers compared with the others (5. 0 - 5. 1 d). The survival of immature stages varied...

Development,survival,and reproduction of the spieder mite Schizotetranychus bambusae Reak.on the detached leaves of the moso bamboo Phylostachys pubescens Mazel from 1 - 4 yr - old bamboo growers, were evaluated in the laboratory. The developmental periods of the immature stages were significantly different among the four diets. The spider mite had the longest immature developmental times (6. 3 d) on the leaves from 3 yr-old growers compared with the others (5. 0 - 5. 1 d). The survival of immature stages varied from 94. 3% on the leaves from 4 yr-old growers to 70. 8% from the 3 yr - old growers. The average eggs laid per female were 41. 4,37. 3,14. 7,and 42. 8 on the leaves from 1-4 yr - old growers,respectively. The effect of the leaves at different injury levels on development and reproduction of this spider mite were also evaluated. The deveolpmental periods from larva to adult were 6. 6, 6. 9, 7. 5,7. 5, and 8. 2d,at the injured levels of 1. 25,2. 50,3. 75,5. 0,and 6. 25 (?) · day/cm2,respectively. The average oviposition per female varied from 11. 4 eggs at 1. 25 (?) ·day/cm2 to 2. 50 eggs at 6. 25 (?) ·day/cm2. It was evident that the negative feedback existed between the rise in the mite population and the food quality decrease.

根据毛竹生长特性,用1年生竹、2年生竹、3年生竹和4年生竹的离体叶片作为食料,研究食物对竹裂爪螨(Schizotetranchus bambusae Reck)生长发育及繁殖的影响。试验结果表明,该螨各螨态的发育历期在4种食料组间存在显著差异或极显著差异,其中幼螨至成螨历期(雌螨)分别为5.00、5.10、6.31和5.03d;取食3年生竹叶片时,幼螨——成螨的存活率、单雌平均产卵量显著小于其余3组,分别为70.81%和14.71粒/雌。试验进一步研究了不同受害程度的毛竹叶片对竹裂爪螨生长发育及繁殖的影响,结果表明该螨各螨态的发育历期、雌成螨的寿命及繁殖力都因叶片的受害程度不同而存在显著差异或极显著差异,这表明了该螨种群在发展过程中,因对叶片的取食危害,通过对自身营养条件的恶化而存在着较强的负反馈作用。

In order to study behavior of insect herbivory and its damage to leaves, we investigated herbivory patterns on the leaves of 11 evergreen plant species in subtropical evergreen broad-leaved forests of Tiantong National Forest Park, Zhejiang Province. The results were as follows: (1) A total of 16 herbivory patterns were found, and for each tree species, herbivory patterns ranged from 10 to 13. The frequency of each herbi-vory patterns varied from 0.5% to 28.7%. The frequency of Edge Defoliation (ED) was the...

In order to study behavior of insect herbivory and its damage to leaves, we investigated herbivory patterns on the leaves of 11 evergreen plant species in subtropical evergreen broad-leaved forests of Tiantong National Forest Park, Zhejiang Province. The results were as follows: (1) A total of 16 herbivory patterns were found, and for each tree species, herbivory patterns ranged from 10 to 13. The frequency of each herbi-vory patterns varied from 0.5% to 28.7%. The frequency of Edge Defoliation (ED) was the highest (28.7%), while that of Gall and Bloth-shaped mine (BM) were the lowest (0.5%). (2) Three distribution patterns could be classified according to the number of dominant herbivory patterns in a tree species: mono-dominant dis-tribution (with only one dominant pattern), such as Edge Defoliation on Rhododendron ovatum and Loropetalum chinense leaves; bi-dominant (with two dominant patterns), such as Edge Defoliation and Top Defoliation on Schima superba leaves; and multi-dominant (with three or more dominant herbivory patterns), such as in the other eight tree species. (3) Shannon-Wiener diversity index of herbivory patterns varied from 1.57 to 2.23 among 11 tree species, with the highest in Castanopsis sclerophylla and the lowest in Rhodo-dendron ovatum. Shannon-Wiener diversity index was higher in the six arbor species (2.040) than in five shrub species (1.882), and higher in dominant species than in companion species, however, the differenceswere not significant. (4) Correlation analysis showed that there were significant positive correlations among eight pairs of herbivory patterns and significant negative correlation among four pairs, suggesting similarities and differences in selection by herbivorous insects.

为探讨昆虫对植物叶片的取食行为和伤害方式,作者选择浙江天童常绿阔叶林内的11种常绿乔灌木为对象,对叶片虫食状类型和格局进行分析。结果如下:(1)共发现16种虫食状类型,每种植物叶片虫食状类型数在10–13种之间,每种虫食状出现频率在0.5–28.7%之间。缘食状出现频率最高(28.7%),虫瘿和泡状出现频率最低(0.5%)。(2)叶片虫食状分布格局可分为3种类型,即一种虫食状占绝对优势的单优格局,如马银花(Rhododendronovatum)和檵木(Loropetalumchinense);两种虫食状(缘食状和顶食状)共占优势的双优格局,仅有木荷(Schimasu-perba);3种及3种以上虫食状占优势的多优格局(其余8种植物)。(3)叶片虫食状多样性指数变化在1.57–2.23之间,最高为苦槠(Castanopsissclerophylla),最低为马银花;乔木的多样性指数(2.040)高于灌木(1.882),优势种多样性指数高于伴生种,但差异均不显著;多样性指数反映了虫食状类型和出现频率的综合差异。(4)16种虫食状类型中有8对显著正相关,4对显著负相关,可能反映出不同类型昆虫取食植物的趋同和差异。

 
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