Genetic analysis for brix weight per stool and its component traits in sugarcane （Saccharum officinarum）

Brix weight per stool (BW) of sugarcane is a complex trait, which is the final product of a combination of many components. Diallel cross experiments were conducted during a period of two years for BW and its five component traits, including stalk diameter (SD), stalk length (SL), stalk number (SN), stalk weight (SW), and brix scale (BS) of sugarcane. Phenotypic data of all the six traits were analyzed by mixed linear model and their phenotype variances were portioned into additive (A),dominance (D), additive×environment interaction (AE) and dominance×environment interaction (DE) effects, and the correlations of A, D, AE and DE effects between BW and its components were estimated. Conditional analysis was employed to investigate the contribution of the components traits to the variances of A, D, AE and DE effects of BW. It was observed that the heritabilities of BW were significantly attributed to A, D and DE by 23.9%, 30.9% and 28.5%, respectively. The variance of A effect for BW was significantly affected by SL, SN and BS by 25.3%, 93.7% and 17.4%, respectively. The variances of D and DE effects for BW were also significantly influenced by all the five components by 5.1%～85.5%. These determinants might be helpful in sugarcane breeding and provide valuable information for multiple-trait improvement of BW.     

几种食用真菌对甘蔗渣利用的研究

采用液体摇床发酵和固体平板培养技术,以甘蔗渣为唯一碳源,研究灵芝、大球盖菇、金针菇、柱状田头菇四种食用真菌对甘蔗渣的利用情况.测定在四种不同甘蔗渣含量的培养基中各食用真菌所产羧甲基纤维素酶活力和菌丝干重,同时测定了四种茵在平板上的菌丝生长速度.结果表明,灵芝在35g/L液体培养基中所产羧甲基纤维素酶活力最高达831U,所生长茵丝最重达1.162g.固体培养时,金针菇在30g/L生长速度最快达15mm/d.     

利用生物质甘蔗制Z造生物基聚乙烯醇高分子材料的优势探讨

概述了高分子材料聚乙烯醇的发展现状,对以甘蔗为原料开发"生物质乙烯制生物基高分子材料-聚乙烯醇"产品的发展,市场、技术、经济等方面的优势进行了深入分析,阐明了不断发展生物质乙烯法制生物基高分子材料聚乙烯醇等生物质化工产业群是广西生物质甘蔗深化利用的有效途径。     

Influence of vermicomposting on solid wastes decomposition kinetics in soils

The effect of vermicomposting on kinetic behavior of the products is not well recognized. An incubation study was conducted to investigate C mineralization kinetics of cow manure, sugarcane filter cake and their vermicomposts. Two different soils were treated with the four solid wastes at a rate of 0.5 g solid waste C per kg soil with three replications. Soils were incubated for 56 d. The CO2-C respired was monitored periodically and a first-order kinetic model was used to calculate the kinetic pa-rameters of C mineralization. Results indicated that the percentage of C mineralized during the incubation period ranged from 31.9% to 41.8% and 55.9% to 73.4% in the calcareous and acidic soils, respectively. The potentially mineralizable C (C0) of the treated soils was lower in the solid waste composts compared to their starting materials. Overall, it can be concluded that de-composable fraction of solid wastes has decreased due to vermicomposting.     

浅谈乡镇面对食糖市场价格低迷的对策--云南昌宁县更戛乡甘蔗产业发展现状个案分析

对云南省昌宁县一个乡的甘蔗及甘蔗农特税被取消后的复杂形势进行分析，进而提出促进农民增收和广大农村的全面建设小康社会步伐的相应对策。     

甘蔗梢(叶)收集处理现状及对策

目前甘蔗梢(叶)严重过剩,利用率低,大部分蔗梢(叶)都被焚烧,不但造成环境污染,而且浪费了饲料资源。影响其综合利用发展的关键和难点在于对甘蔗梢叶的收集处理。文章简要阐述当前我国甘蔗梢叶的收集现状、存在的问题及对策,以期尽早实现甘蔗梢叶的规范化收集和处理。     

国外甘蔗联合收割机在广西应用的经济效益分析

分析目前广西引进国外Case7000型、Case4000型甘蔗联合收割机的作业成本,分别论述其利润与作业量、成本函数的关系,对比分析了甘蔗联合收割机收割与人工收割的作业应用效果。     

甘蔗渣纤维素的再生和衍生化研究进展

文章主要从非均相和均相条件所制备的蔗渣纤维素材料进行归纳,较系统的介绍了甘蔗渣纤维素的再生和衍生化研究进展,并提出了发展的方向。     

中国甘蔗产业碳汇时空差异研究

以中国甘蔗四大优势产区为研究对象,应用2004-2013年《中国农产品成本收益资料汇编》中研究区域的各类农资数据,结合国家统计局网站2003-2012年的播种面积数据对研究区域的碳汇能力与碳汇总量进行估算,结论如下:甘蔗产业碳汇总量及碳汇能力均呈波动上升趋势,反映21世纪后甘蔗单产提升、种植面积增加等趋势;甘蔗产业碳排放呈上升趋势,其中化肥碳排放占总量最大,而燃料排放极低,表明产业投入呈加大趋势,但机械化水平还极低。