Diallel analysis of sugar composition of 10 vegetable soybean lines

Few studies have evaluated vegetable soybean for sugar content at the green pod stage. Information on combining ability and type of gene action that governs inheritance of seed traits can help breeders to select suitable parents and devise an appropriate breeding strategy. Ten vegetable soybean accessions were crossed in a complete diallel mating design. Parent lines and F₂ and F₃ progenies were evaluated for two nutritional components. In this study, both general and specific combining ability and reciprocal effects were significant for sucrose and total sugar. Cultivars 'Kanrich', 'Pella', 'Verde' and V81-1603 had good general combining ability for high sucrose. In general, high sucrose content was observed in progeny of the early maturity group genotypes 'Kanrich', 'Pella' and 'Verde'. The best combiners for high total sugar content were 'Verde', V81-1603 and PI 399055. These genotypes could serve as genetic sources in a vegetable soybean breeding programme.     

乌兰浩特糖厂引种鉴定试验简报

经过１９９６￣１９９８年引种对比试验示范,证明甜研３０３品种适应当地的土壤、气候等环境条件,比原主栽品种协作二号表现突出,平均根产量为４０．０７ｔ／ｈｍ＾２,较对照增产９．９％,平均含糖为１７．８度,比对照提高０．８９度,平均产糖量为７．１７ｔ／ｈｍ＾２,比对照增产１５．８％。甜研３０３丰产性能好、适应性强、尤其在１９９８年洪涝灾害严重年份,仍表现稳产、抗病、耐涝,已被确定为本地区的主栽品种。     

温度对堇叶碎米荠生理特性的影响

研究了10、15、20、25、30、35℃6个温度下堇叶碎米荠生理参数变化。结果表明:POD活性和MDA含量的变化大致呈V型,20℃时最低;可溶性蛋白含量变化呈M型,20℃时含量最高;可溶性糖含量变化呈W型。表明堇叶碎米荠最适生长温度为20℃。     

造纸法再造烟叶工业可用性研究

[目的]研究造纸法再造烟叶对卷烟产品的各种意义和实用价值。[方法]首先对国内外再造烟叶的理化指标进行对比分析,再对国内造纸法再造烟叶的可用性进行工业验证。[结果]造纸法再造烟叶具有良好的耐加工性,可以调节卷烟叶组配方和卷烟烟气中的化学成分,改善卷烟的燃烧性和填充力,降低卷烟单箱耗丝量,既具有降焦减害和降耗增效作用,同时又可以提高卷烟的内在质量(抽吸品质)。[结论]造纸法再造烟叶的广泛应用,将对卷烟工业的发展起到推动作用。     

Leaf mineral element concentrations and growth of sweet sorghum subjected to acid soil stress

Abstract

The nutritional profile of sweet sorghum [Sorghum bicolor (L.) Moench] cultivars grown under acid soil field stress conditions is a critical consideration when developing plants which are adapted to these infertile soils. Uptake and accumulation of macro‐ and micronutrients vary among genotypes and ultimately Influence plant growth and development. This study compared fourteen sweet sorghum germplasm lines and varieties for their Individual patterns of leaf nutrient concentrations and productivity when grown under acid soil field conditions (pH 4.45 to pH 4.85) at three locations over a two‐year period. Significant year x location interactions were found for Fe, K, and Ca concentrations at both Blairsville and Calhoun and for Mn and P levels at Blairsville and Calhoun, respectively. Data from Calhoun on plant height, dry weight, visual stress ratings, and rainfall indicate a possible association between drought tolerance and acid soil tolerance in sorghum. No significant differences in A1 concentrations were found among these sweet sorghum lines and varieties, which indicate that their acid soil tolerance mechanisms are probably not related to A1. MN 1054 accumulated the highest levels of Mn in the three acid soils. The highest concentrations of Mg and P were found in Brandes. MN 960 had the highest visual stress ratings (highest susceptibility) while Brandes, Ramada, Roma, and Wray were the most tolerant. All fourteen cultivars apparently have some tolerance to acid soil stress conditions.     

热休克蛋白增加运动发酵单胞菌乙醇产量的研究

目的：对含有Hsp基因的代谢工程运动发酵单胞菌进行热适应处理,用于提高其乙醇产量和对高糖的耐受性。方法：用含有Hsp基因的多顺反子质粒转化运动发酵单胞菌,经过多天37℃热适应后,在玉米水解液中测定该多顺反子对运动发酵单胞菌发酵产生的影响。结果：在37℃发酵条件下,在糖浓度为28%的玉米水解液中,与对照组相比,经过热适应的含Hsp基因的代谢工程菌的乙醇产量显著提高。结论：Hsp基因能够显著提高运动发酵单胞菌的乙醇产量。     

甜菜核心种质构建研究

为了很好的解决由于甜菜种质资源数量增多、遗传变异类型丰富而造成的在研究、鉴定、保存及利用过程中工作难度增加这一问题,本研究依据其他作物种质资源核心种质的构建方法,总结了甜菜核心种质构建中数据的收集整理及补充的方法、甜菜核心种质构建的取样策略、甜菜核心种质有效性评价及甜菜核心种质构建步骤。提出了甜菜在核心种质构建中遇到的问题,指出甜菜核心种质构建的复杂性同时提出完善甜菜种质资源数据的必要性。     

模糊数学法在甘蔗制糖行业清洁生产评价中的应用

将模糊数学法的基本理论和方法运用到甘蔗制糖行业清洁生产评价当中,结果表明：运用模糊综合评判法对清洁生产水平进行评价是一种比较科学的方法,能够将评价中各种影响因素共存的复杂性简要化,一定程度上削减主观偏好对评价结果的影响,有效克服单指标方法的片面性.该评价方法可操作性较强,准确性较高,对甘蔗制糖行业清洁生产评价有一定的指导和参考作用.     

不同供磷水平对韭菜可溶性蛋白与可溶性糖含量的影响

通过水培法,研究了不同供磷水平对4个韭菜品种可溶性蛋白、可溶性糖含量的影响。结果表明,P0时4个韭菜品种可溶性蛋白和可溶性糖含量均最低,随磷浓度的升高,各供试品种可溶性蛋白和可溶性糖含量呈先升高后降低的趋势。在各处理中,791雪韭可溶性蛋白和可溶性糖含量始终高于其它品种。     

不同熟期玉米套作夏玉米可溶性糖含量与产量形成

试验以早、中、晚熟代表品种鲁原单14(LD14)、掖单22(YD22)和掖单13(YD13)为对象,两两相互套作,研究春夏玉米套种体系中夏玉米可溶性糖含量与产量形成的关系.研究结果表明,不同时期各器官的可溶性糖含量与经济产量之间有明显的相关关系.其中,全株可溶性糖含量在大口期、吐丝期与产量成显著负相关,乳熟期、成熟期则与产量成显著正相关:叶片中的可溶性糖含量,吐丝期与产量成正相关,乳熟期和成熟期成负相关;叶鞘与茎中的可溶性糖含量与产量的相关关系相同,均表现为:乳热期与产量成负相关,吐丝期与成熟期成正相关;