丛生

The effects of different hormone on axinary buds induction, tufty bud differentiation, and rooting were studied by means of orthogonal design and common buckwheat stem segment explants with a knot.

以普通荞麦植株带节茎段为外植体，用正交设计法研究不同激素处理对荞麦腋芽、丛生芽和根的诱导及分化过程的影响，建立了荞麦离体培养快速繁殖技术。

The MS0 medium containing 6-BA 4.0 mg/L+TDZ 0.06 mg/L is better for inducing tufty buds with the differentiation rate of 166.7%.

诱导荞麦茎段丛生芽发育的最佳培养基为：MS0+6-BA4.0mg/L+TDZ0.06mg/L，丛芽分化率为166.7%。

The half-seed method system of Agrobacterium-mediated soybean transformation was researched applying healthy explants rates, resistant tufty shoots and elongated shoots as targets. Explants of soybean grow well in environments with abundant light and oxygen in cocultivation.

以农杆菌介导的半种法大豆遗传转化系统为基础，对目的基因进行转化；以健康外植体获得率、抗性丛生芽获得率和抗性芽伸长比率为指标，对转化系统条件进行优化。

The main results were showed as follows:Through screen and identification of morphology in M_2 and M_3, respectively, the mutants with mutative traits of plant were found. In which, 11 mutations were leaf variations, including light-green leaf, deep-green leaf, durative yellowish leaf, temporary yellowish leaf, inlaid yellowish leaf, wrinkly leaf, smooth-edged curly leaf, splitting-shaped curly leaf, peduncular-shaped leaf, round leaf and larger leaf, 12 were mutations on plant type, including excessive branches, lacking branches, highness, dwarf-like, erect posture, reclinate posture, strong stalk, slender stalk, tufty branches, wrinkled plant, purple stalk and hair-covered plant, 14 were flower variations, including dense flowers, light-yellow petals, white petals, white-mosaic petals, wrinkled petales, back-rolled petals, narrow petals, larger petals, smaller petals, apetalous flowers, variable-numbered petals, fertile pistil protraction, sterile pistil protraction and multi-anther, and 5 were physiologic mutants, including genic male sterile, cytoplasmic male sterile, bud-dead, and early and later bloom.

主要结果如下：通过田间M_2筛选和M_3重复鉴定，在田间农艺性状方面共获得浅绿叶色、深绿叶色、转绿黄化叶、持续黄化叶、边缘黄化叶、皱缩叶、光叶型卷叶、裂叶型卷叶、薹叶形叶、宽圆叶和大叶等11种不同的叶部性状突变体；同时还筛选到多分枝、少分枝、高杆、矮杆、株型紧凑、株型松散、粗茎、细茎、丛生分枝、整株皱缩、紫茎、整株被毛等12种植株性状突变体，密花、浅色花瓣、白色花瓣、白斑花瓣、皱瓣、卷瓣、窄瓣、大瓣、小瓣、无瓣、花瓣数目不定、可育型柱头外露、不育型柱头外露和多雄蕊等14种花器性状突变体，以及细胞核雄性不育、细胞质雄性不育、死蕾、早花和迟花等5种生理性状突变体。

Stems usually cespitose, spreading, unbranched, with 1 or 2 lines of hairs.

茎通常丛生，平展，，具1或2线的毛。

Before we could build we had to clear the thick undergrowth.

在盖房子之前，我们得清除丛生的荆棘杂草。

Poor state granary supervision and harsh weather conditions led to undernourishment and a susceptibility to pestilence among rural populations.

官仓管理不善，天灾四起，导致农村人口普遍营养不良，疫疠丛生。

Many scholars have tried to explain the validity of the term understratum since it was put forward in the early 1990s;nevertheless, it remains confusing ,vague and ambiguous.

从20世纪90年代初"底层"概念的提出到现在，很多学者对其术语的有效性进行了诸多阐释和批评，然而却始终显得模糊、含混、暧昧，甚至歧义丛生。

Incorrect posture is not only unsightly, but is the cause of all kinds of disorders.

不正确的姿势，不但难看，而且会导致百病丛生。

Green and verdant, with fields and forests.

这片土地本是绿意丛生，生机盎然的，遍布着森林和田野。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。