扩大侧面问题是与边的最小的可能的数字发现合适的间隔 supergraph。这个问题在 1950 年代源自稀少的对称的矩阵 A 的存储和消除技术。它在数字代数学,美国芯片组供应商图案和分子的生物学有重要应用。树 T 是一张连接的非循环的图。树...扩大侧面问题是与边的最小的可能的数字发现合适的间隔 supergraph。这个问题在 1950 年代源自稀少的对称的矩阵 A 的存储和消除技术。它在数字代数学,美国芯片组供应商图案和分子的生物学有重要应用。树 T 是一张连接的非循环的图。树 T 的补充被称为一棵合作树,由(T) 表示了。在这份报纸, cotree (T) 的准确扩大侧面价值被给。展开更多
Vegetative propagation by stem cutting is an important technique applied for agricultural production where rooting success is one of the major aspects. A study to assess the effects of mode of application of rooting h...Vegetative propagation by stem cutting is an important technique applied for agricultural production where rooting success is one of the major aspects. A study to assess the effects of mode of application of rooting hormones (IBA) on adventitious root formation of V. paradoxa stem cuttings was conducted. Accordingly, four application methods were investigated in a 4 × 3 factorial experiment using a Completely Randomized Design (CRD). The application methods were: 24-hour extended soak, foliar spraying, basal quick dip and delayed IBA application method. Thus, the parameters used to determine rooting success were mean root length and root number. The effect of these application methods on occurrence of bud break was also considered. On the whole, root length was observed to be a function of IBA concentration, whereby root length increased significantly (P ≤ 0.05) with an increment in IBA concentration. Stem cuttings subjected to 24-h extended soak at 100 ppm rooted best (59.5% ± 8.33%), where as foliar sprayed stem cuttings exhibited the worst rooting success (11.9 ± 3.06 - 23.8% ± 4.16%). Bud break appeared to decrease with increasing IBA concentration and delaying IBA application enhanced rooting percentage of the quick dip method by 7.1%, 9.5% and 11.9% at 2500 ppm, 3500 ppm and 4500 ppm, respectively. The extended soak method of IBA application at 80 ppm shows potential for large scale production of V. paradoxa through stem cuttings.展开更多
基金Supported by the Natural Science Foundation of Henan Province(082300460190) Supported by Program for Science and Technology Innovation Talents in Universities of Henan Province (2010HASTIT043)
文摘扩大侧面问题是与边的最小的可能的数字发现合适的间隔 supergraph。这个问题在 1950 年代源自稀少的对称的矩阵 A 的存储和消除技术。它在数字代数学,美国芯片组供应商图案和分子的生物学有重要应用。树 T 是一张连接的非循环的图。树 T 的补充被称为一棵合作树,由(T) 表示了。在这份报纸, cotree (T) 的准确扩大侧面价值被给。
文摘Vegetative propagation by stem cutting is an important technique applied for agricultural production where rooting success is one of the major aspects. A study to assess the effects of mode of application of rooting hormones (IBA) on adventitious root formation of V. paradoxa stem cuttings was conducted. Accordingly, four application methods were investigated in a 4 × 3 factorial experiment using a Completely Randomized Design (CRD). The application methods were: 24-hour extended soak, foliar spraying, basal quick dip and delayed IBA application method. Thus, the parameters used to determine rooting success were mean root length and root number. The effect of these application methods on occurrence of bud break was also considered. On the whole, root length was observed to be a function of IBA concentration, whereby root length increased significantly (P ≤ 0.05) with an increment in IBA concentration. Stem cuttings subjected to 24-h extended soak at 100 ppm rooted best (59.5% ± 8.33%), where as foliar sprayed stem cuttings exhibited the worst rooting success (11.9 ± 3.06 - 23.8% ± 4.16%). Bud break appeared to decrease with increasing IBA concentration and delaying IBA application enhanced rooting percentage of the quick dip method by 7.1%, 9.5% and 11.9% at 2500 ppm, 3500 ppm and 4500 ppm, respectively. The extended soak method of IBA application at 80 ppm shows potential for large scale production of V. paradoxa through stem cuttings.