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9个甜高粱品种比较试验初报 总被引：1，自引：0，他引：1
对引进的9个甜高粱品种(系)进行品比试验,以期筛选出适合本地区的高生物产量和茎秆含糖量的品种。结果表明:海牛(PPS型)、大卡(PPS+BMR)、大力士、辽甜3号、猛犸1180产量、质量性状较好,茎叶产量7504.64~9400.92 kg/667m~2,茎秆含糖量11.26%~14.74%,可作为民勤县适栽的饲用型甜高粱品种推广种植。 相似文献
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河西地区甜高粱品种比较试验 总被引：1，自引：0，他引：1
《中国糖料》2016,(3)
将15个甜高粱引进品种在武威地区种植,进行品种比较试验。通过观测各品种的物候期,测定其农艺性状及其鲜草产量和茎秆糖锤度,以期获得适宜在武威地区推广种植的饲用型和醇用型甜高粱品种,为武威地区甜高粱产业的发展提供科学依据和技术指导。结果表明:海牛、BJ0603、大力士、tgl 1401产量、质量性状较好,可以作为种植饲用甜高粱的首选品种在该地区推广种植;黄河甜农艺性状好,含糖较高,可以作为醇用型品种推广种植。 相似文献
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能饲1号是河北省农林科学院谷子研究所以Sug中秆甜高粱品种为亲本经过系统选育而成的能源、饲草兼用型高粱品种.①该品种生物产量高,增产作用显著,比对照辽饲杂1号分别增产16.7%;②茎秆含糖量高:液汁含量63-67%,液汁糖锤度在15-17.4之间.③抗病、抗虫、抗逆性强:能饲1号均未发现丝黑穗病、叶斑病;中抗蚜虫;倒伏较轻.④早熟,适宜夏播种植:能饲1号生育期95～100d,是首个适合在冀中南夏播的甜高梁品种.⑤能饲兼用用途广:该品种的生物产量和主要营养物质的含量明显高于目前夏播的玉米等高产作物,具有做为饲草作物种植和能源作物开发利用价值. 相似文献
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12个甜高粱品种在重庆地区的生产力和总糖含量表现 总被引：2，自引：0，他引：2
通过对12个供试甜高粱品种（组合）茎秆的鲜产量、总糖含量、总糖产量和籽粒产量的比较,结果为：茎秆鲜产量以A4为最高,达到41 385.0 kg/hm2,茎秆总糖含量以A9为最高,达到11.26%,茎秆总糖产量以A9为最高,达到4 285.4 kg/hm2,籽粒产量以A12为最高,达到2 723.4 kg/hm2。综合评价初步认为,在12个供试品种（组合）中,以A9组合和A3品种比较适合在重庆做生物质能源原料。 相似文献
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不同品种及播期对丘区套作大豆产量的影响 总被引：8，自引：2，他引：8
在"麦/玉/豆"模式下,研究了不同品种与播期对丘区套作大豆产量的影响.结果表明,品种间产量差异极显著,以晚熟品种(贡选1号)的产量最高,达1375.11 kg/hm2,中熟品种(乐豆1号)次之,早熟品种(浙春3号)最低.与早中熟品种比较,晚熟品种表现为营养生长期较长,与玉米的生殖共生期为零,植株较高,茎粗增加0.13～0.16 cm,分枝多0.38～0.89个,主茎节数多4.47～7.12个,单株有效荚数、每荚粒数极显著高于早中熟品种,适合套作.播期间产量也有差异,以播期6月7日的产量最高.品种不同,表现略有差异.中晚熟品种的适宜播期为6月7日,表现为单株荚数、荚粒数较高;早熟品种以6月14日的产量较高,表现为单株荚数、荚粒数和百粒重较高. 相似文献
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Shamitha Rao Morey Yoichi Hashida Ryu Ohsugi Junko Yamagishi 《Plant Production Science》2013,16(4):328-338
ABSTRACTThe sugar-accumulating potential of global and local sweet and grain sorghum varieties were tested under the local conditions. The basis for this study was the dependency of sugar accumulation on temperature and photoperiod. Thus, the efficacy of cultivars as a bioenergy source would need to be determined based on their performance under the local environmental conditions. A strong correlation of sucrose content with brix was observed, enabling large-scale screening of varieties for high sucrose content. The morphological characteristics inherent in sweet sorghum, such as tall stems, greater number of leaves and a longer vegetative period, were found to correlate with the total stem sugar content. Assessment of sugars along the stem revealed maximum sugar accumulation in the upper intermediate to upper internodes in most of the varieties tested. The maximum theoretical ethanol yield (MTEY), a function of brix and juice yield, was determined as a better indicator of testing the performance of a variety as a potential source of bioethanol, mainly due to a negative correlation of stem juiciness and sucrose content in the varieties tested. Further, the relative expression of vacuolar invertase genes, SbINV1 and SbINV2, was studied, and a strong negative correlation of SbINV2 to stem sucrose content was observed. This reveals a possibility of involvement of vacuolar invertase gene, SbINV2, in sugar accumulation in sweet sorghum stems, and as a key candidate for molecular breeding studies for higher stem sugar content. 相似文献
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Valerie H. Teetor Denise V. Duclos Elisabeth T. WittenbergKelly M. Young Jeerawan ChawhuaymakMark R. Riley Dennis T. Ray 《Industrial Crops and Products》2011,34(2):1293-1300
Sweet sorghum (Sorghum bicolor (L.) Moench) is an annual crop currently being investigated for biofuel production in the arid southwest United States (U.S.). Sweet sorghum is an ideal candidate because it can be grown under reduced inputs (water, fertilizer) and responds more efficiently to stresses than traditional crops. Many varieties have been bred for high sugar, syrup, and forage production, but much biodiversity still remains to be utilized.Studies performed in 2006 and 2007 found that high biomass and percent juice extracted were the best predictors of potential ethanol yield per area. This investigation was undertaken to determine what effects planting dates have on overall sugar and predicted ethanol yields.Four varieties (Dale, M81E, Theis, and Topper) were planted in April, May, June, and July of 2008. They were harvested at physiological maturity, with dates ranging from August 26 to December 2. Biomass, juice weight, and Brix of the juice were recorded in the field. Samples were analyzed in the laboratory by High Performance Liquid Chromatography (HPLC) for fructose, glucose, and sucrose.Theoretical ethanol yields were calculated based on biomass, juice weight, and percent sugar. These were compared to actual yields obtained from laboratory-scale fermentations of the harvested juice, which ranged from 7.4% to 11.2% (58.1-88.6 g L−1). Since our predictive model uses the maximum conversion rate of sugar to ethanol and this was not reached in the lab, the predicted yields were always higher than the actual yields. However, the model can be a useful tool for estimating ethanol yield per area.Total sugars and predicted ethanol production were influenced by planting date, but the degree of the effects depended on the cultivar planted. Overall a May planting date at this location is preferable due to consistently higher values for the yield components analyzed, and Theis is not recommended due to its high susceptibility to heat. Sweet sorghum juice has been successfully fermented into ethanol, which indicates this crop may be able to play a transitory role in the emerging biofuel market. 相似文献
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为了探究不同播种期对吉林小粒大豆生育进程、产量及品质的影响,以3种不同生育期的小粒大豆品种为试验材料,设置5个播种期处理,研究不同播种期对小粒大豆生育进程、产量及品质的变化规律。结果表明:随着播种期的推迟,小粒大豆生育进程延后,生育期表现缩短趋势,且各处理间差异达到极显著水平(P<0.01);小粒大豆单株荚数、单株粒数、百粒重及产量均呈现先增加后降低的变化趋势,不同播期的单株荚数和单株粒数差异均达到显著水平(P<0.05),A1~A3播期间百粒重差异不显著,各品种产量均在A2(5月4日)播种期最高,东农690为2 448.6 kg·hm^-2,吉林小粒豆6号为2 606.9 kg·hm^-2,九芽豆1号为3 101.2 kg·hm^-2,播期间产量差异极显著(P<0.01);回归分析结果表明,播期与产量间具有很大的相关性。早播或迟播病粒率增加,完全粒率降低,蛋白质含量和蛋脂总含量降低,推迟播期籽粒粗脂肪含量持续下降;小粒大豆播期与蛋白质含量呈显著或极显著负相关关系,与脂肪含量、总蛋脂含量呈极显著负相关关系。吉林地区小粒大豆适宜播期是5月4日左右,此期间播种有利于获得高产优质的小粒大豆。 相似文献
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江苏射阳地区红皮小麦品种不同播期筛选试验 总被引：1，自引：0，他引：1
在江苏射阳县新洋农场进行16个红皮小麦品种不同播期的筛选试验,对参试品种早晚2个播期下的生育期、农艺性状、抗性及产量进行汇总分析。结果表明:早播组全生育期变幅在221~225 d,晚播组全生育期变幅在213~217 d,扬麦23全生育期均最短,华麦6号全生育期最长。早播组产量变幅为591.67~739.67 kg/667 m2,华麦6号最高,扬麦15最低;晚播组产量变幅为637.00~707.67 kg/667 m2,扬麦23最高,扬麦27最低。未防治条件下,锈病早播组发病明显重于晚播组,早播情况下华麦7号、扬江麦580-1、宁麦13(CK)锈病发生极重,华麦6号锈病早、晚播发生均轻,锈病抗性突出。总之,早播组平均产量水平低于晚播组,产量变幅明显高于晚播组,品种间产量差异较大。扬麦23、华麦1430表现最为突出,在早播组、晚播组产量均居于最前列,赤霉病、锈病均发生较轻。 相似文献
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播期和种植密度对旱地玉米生长发育及产量的影响 总被引：2，自引：0，他引：2
采用裂区试验设计,研究不同播期和5.25万、6.00万、6.75万和7.50万株/hm2不同种植密度对玉米品种先玉335和强盛388生长发育及产量的影响。结果表明,随种植密度增加,植株株高和穗位高升高,茎粗和单株干物质重降低,播期推迟使这种升高和降低效应进一步加强。玉米产量在密度间的变化根据玉米品种不同而异,整体均表现为晚播处理产量较低,中播处理较高。随着播期提前,玉米生育期也相应延长,生育期延长的影响主要表现在播种至拔节期。先玉335在早播和中播条件下适宜密度为6.75万株/hm2,晚播条件下适宜低密度种植;强盛388在3个播期下均适宜低密度种植。本地区旱地玉米最佳播期在4月27日左右,适宜播种密度为6.75万株/hm2左右,玉米茎秆性状及产量指标较优。 相似文献