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Gingers seldom flowers and have seeds, so it is difficult to cultivate new variety through crossbreeding.

蔗糖比葡萄糖更利于根状的诱导,活性炭对根状诱导没有明显作用。

The distribution of the qualitative characters The performance of the 39 chief qualitative characters were observed and recorded,according to the test method of morphological characters in the .The results of distribution proportion of each character in cultivars group showed that the distribution of 32 characters(number of ray flower rings,floret curliness,shape of leaf base,size of stipule and so on) were very asymmetrical with near or above 70%cultivars concentrated upon one or two performance, however,the distribution of the other 7 characters(floret type,surface color of outer floret,back color of outer floret,color of disc floret,claw in base of sinus between lateral lobes,stem erectness and stem color) in the cultivars group were relatively symmetrical.

质量性状分布参照《菊花DUS测试指南》的形态性状测试方法,观察记录大菊39个主要质量性状的表现,计算各性状的表现式样在品种群内的分布比例,结果显示舌状花的重瓣性、花瓣曲反状况、叶片基部性状、托叶大小等32个性状的表现式样在品种群内分布极不均匀,接近或超过70%的品种集中在性状的1种或2种表现式样中;而花瓣形状、外花瓣表面色、外花瓣背面色、花中心部颜色、叶裂刻基部有无突起、的曲直性和色等7个性状的表现式样在品种群内的分布则相对均匀。4。

The results are as follows: the dwarf mutant A846 pertain to half-dwarf type, which height is about 38.64 cm on average, preponderating over the half-height of the wild-type, the elongation stage of the mutant represent dwarf character, internode elongation patterns of caulis are similarly the sh-type dwarf mutant, in which the first internode shows specific reduction, the elongation of these cells in the elongation zone immediately above the IM was dissimilar to the wild-type, longitudinal length of parenchyma cells were curtate, also the first internode exhibit markedly, which average is under the corresponding internode of the wild-type, the differentiation of the IM of each internodes of stem was similar to wild-type, as well as the number of internodes and the length of sheath of flag leaf.

结果表明:突变体A846平均株高38.64cm,大于野生型株高的一半,为半矮秆类型;其矮生性在拔节期显著表现;主秆各节间收缩比例不一,穗下第一节间显著缩短,与sh-型突变体类似;秆各节间居间分生组织细胞分化正常,由居间分生组织分化的细胞延伸受到不同程度的阻碍;各节间基本组织细胞纵向长度相应缩短,穗下第一节间缩短比例最大,其平均值小于野生型的一半;主节间数目与旗叶的叶鞘长类似于野生型。

This paper studies the anatomy of stem and leaf stalk of Cycas debaoensis.

对德保苏铁、叶柄的解剖构造进行观察,结果表明:(1)德保苏铁的由周皮、皮层、维管束、髓四部分构成。

To compare allelopathy of different parts of plant Datura Stramonium, the effective components from D.

为了比较曼陀罗不同部位化感作用的差异,用蒸馏水分别浸提曼陀罗根、、叶的有效成分,以蒸馏水为对照,研究曼陀罗根、、叶浸提液对芝麻和粟种子萌发和幼苗生长的影响。

The pathogenic mechanism of toxin from Phoma herbarum to dayflower was studied through measuring cell membrane permeability, MDA content and activities of CAT, POD and APX. The result indicated that toxin increased permeability of cell membrane.

以草点霉毒素对鸭跖草叶片组织细胞膜透性、丙二醛含量、过氧化氢酶、过氧化物酶以及抗坏血酸过氧化物酶活性的影响,研究草点霉毒素对鸭跖草的致病机理。

Rhizomes absent. Stems decumbent, ascending, or erect.

根状无。外倾,上升,或直立。

Basal leaves decussate, middle stem leaves opposite, distal stem leaves alternate; inflorescence paniculiform with cymose branches

交互对生的基生叶,中间生叶对生,互生的上部生叶;花序圆锥花序状的具聚伞状的分枝 1b var。

The accumulation of dry matter of tomato was mainly in the period of rich fruits, and the average dry weights of roots, leaves, stems were 2.11%, 23.6%, 28.4%, 45.98% of total dray matter, respectively.

番茄植株中N、P、K养分含量特点是,和果实中K的含量超过了N、P含量,也超过了根和叶中K含量;而叶中N含量高於根、和果实。

The accumulation of dry matter of tomato was mainly in the period of rich fruits,and the average dry weights of roots,leaves,stems were 2.11%,23.6%,28.4%,45.98%of total dray matter,respectively.

番茄植株中N、P、K养分含量特点是,和果实中K的含量超过了N、P含量,也超过了根和叶中K含量;而叶中N含量高于根、和果实。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。