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1.
以枳、酸柚、构头橙、卡里佐枳橙、三湖红橘、新干化红、崇义野橘等7种不同柑橘砧木幼苗为试材，采用盆栽试验，探讨pH 2.0胁迫下不同柑橘砧木幼苗含水量、MDA含量、Pro含量、可溶性蛋白含量、SOD、POD、CAT酶活性等主要生理指标的变化，应用隶属函数法对供试材料的耐酸性进行综合评价。通过综合隶属函数值评定的耐酸性强弱顺序为：枳>三湖红橘>卡里佐枳橙>新干化红>酸柚>崇义野橘>构头橙。这一结果与7种柑橘砧木幼苗的酸害形态表现一致。隶属函数法能较全面地评价柑橘砧木的耐酸性，可为柑橘砧木种质改良及选择适宜的耐酸性红壤的优良砧-穗组合提供理论依据。 相似文献
2.
选择土柠檬、枳、三湖红橘、红皮酸橘、软枝香橙、卡里佐枳橙、金柑作为砧木嫁接金柑及金柑实生树为研究对象,通过比较砧穗组合亲和性、植株生长量、产量和果实品质差异,综合评价各砧穗组合在桂林表现。结果表明,6年生金柑,植株干周红皮酸橘砧23.7cm和软枝香橙砧22.5cm,极显著大于其他砧木和实生树;植株高度三湖红橘和红皮酸橘砧分别为247cm 和239cm,极显著高于其他砧木和实生树;植株冠幅红皮酸橘、枳、三湖红橘和软枝香橙砧达200cm以上,极显著大于其他2个砧木和实生树;试挂果期的3年生树产量三湖红橘砧较高,其次是软枝香橙砧,其他中等或低;进入正适挂果期的4～6年生树3年平均株产量,软枝香橙和红皮酸橘砧达16.10kg以上,其次是枳和三湖红橘砧13.40kg,均极显著高于其他2个砧木和实生树;枳砧果实品质较好,土柠檬砧较差,其他中等。综合性状表现良好的是软枝香橙和红皮酸橘砧,其次是三湖红橘和枳砧,土柠檬砧、本砧和实生树表现较差,卡里佐枳橙砧表现不亲和、植株枯死。金柑适宜砧木是软枝香橙和红皮酸橘,其次是三湖红橘和枳,卡里佐枳橙、土柠檬、本砧不宜作金柑砧木,金柑也不宜实生繁殖。
关键词：金柑;砧木;产量;品质 相似文献
3.
本研究对武汉地区嫁接于枳、枳橙、枳柚、资阳香橙和红橘的‘华农本地早’橘（BDZ）和‘国庆1号’温州蜜柑（G1）的树冠体积、砧穗亲和性等营养生长参数,以及TSS、TA及TSS/TA等果实品质指标进行了测定和评价。5种砧木对G1和BDZ营养生长及果实品质的影响差异显著。营养生长方面,比较G1和BDZ的树冠大小发现枳柚、红橘>枳橙、香橙>枳;嫁接于枳柚的BDZ的树冠体积2018年达24.5 m3,树势较强;而枳仅为枳柚的1/3,矮化效果明显,树势较弱。BDZ与枳柚的亲和性较差,G1与红橘的亲和性较差,BDZ和G1与枳橙、枳、香橙的亲和性均较好。果实品质方面,嫁接于枳及枳橙的G1和BDZ果实TSS相比嫁接于枳柚、红橘和香橙的较高,2018年BDZ果实TSS分别为枳13.0%、枳橙12.2%、枳柚11.6%、红橘10.8%和香橙10.3%。果实TA在枳柚砧上较高,红橘砧上较低,另3种砧木居中;2016年嫁接于枳柚的BDZ果实TA高达1.1%,红橘上仅为0.7%。嫁接于枳、枳橙、红橘的果实TSS/TA相比香橙、枳柚高,2018年BDZ果实TSS/TA分别为枳14.9、枳橙14.9、红橘14.1、香橙13.6和枳柚10.9。综合评价表明,枳、枳橙和香橙砧木可以使接穗品种果实品质优良、树体矮化或树势中庸,且与接穗嫁接亲和性较好,是武汉地区宽皮橘的适宜砧木。 相似文献
4.
以7个柑桔砧木盆栽实生苗为试材，对其根颈粗度、主根长度、侧根长度和植株高度进行调查研究。结果表明：不同品种的柑桔砧木，其根颈粗度、主根长度、侧根长度和植株高度差异较大，根颈粗度依次为：资阳香橙>卡里佐枳橙>宜昌橙>枸头橙>枳>红桔>印度酸桔；主根长度依次为：资阳香橙>卡里佐枳橙>枸头橙>宜昌橙>红桔>印度酸桔>枳；侧根长度依次为：资阳香橙>红桔>宜昌橙>卡里佐枳橙>枸头橙>枳>印度酸桔，植株平均高度依次为：资阳香橙>卡里佐枳橙>枳>宜昌橙>枸头橙>红桔>印度酸桔。相比较而言，资阳香橙和卡里佐枳橙生长势较好，而枳和印度酸桔生长势较弱。 相似文献
5.
以3种中国常用柑橘砧木枳、红橘和香橙为材料,采用体视显微镜和扫描电镜等方法对其根系生长和根毛形态进行观察,探讨根系形态差异与砧木树体不同表现特征间的关系。结果表明：3种砧木苗期地上、地下部生长发育差异显著,根系生物量和根冠比均表现为红橘>香橙>枳。各种砧木根系形态特征差异较大,其中枳实生苗表现为侧根较发达;红橘和香橙主根生长较好,侧根数和侧根长度低于枳。 3种柑橘砧木根毛均不分叉,分布不均匀,且侧根根毛密度显著高于主根根毛密度。柑橘各砧木品种的根毛形态和根毛分布差异较大,其中红橘和香橙主、侧根根毛密度大于枳,枳根毛分布表现为从根基部到根尖根毛密度依次递减,但红橘根毛分布与之相反;而香橙根毛密度为中段﹥下段﹥上段。3种柑橘砧木中红橘根系生物量和根冠比最大,表明其苗期根系生长的速度较快。 相似文献
6.
以5个金柑属品种、枳壳、软枝酸橘及广西土柠檬实生苗为材料，进行复水成活率、旱害指数、叶片相对含水量、超氧化物歧化酶（SOD）、过氧化物酶（POD）、过氧化氢酶（CAT）、丙二醛（MDA）、脯氨酸等生理指标及隶属函数的综合分析，为柑橘抗性砧木品种选育提供参考。结果表明：胁迫20d复水后的成活率融安滑皮金柑和长寿金柑最高，为100%，软枝酸橘最低，为88.9%；随着干旱胁迫加剧，各品种的旱害指数呈上升趋势，长寿金柑的旱害指数最低，为0.25，软枝酸橘的旱害指数最高，为0.61；从叶片相对含水量的结果来看，长寿金柑的变化幅度最小，软枝酸橘的变化幅度最大，在第18d时分别为61.19%和37.85%；3种保护酶之间相互协同作用减轻植株受害程度，其活性变化幅度与丙二醛和脯氨酸的含量变化相似。利用隶属函数法综合分析，得出各品种的抗旱性强弱依次为长寿金柑>枳壳>融安滑皮金柑>融安金柑>山金柑>广西土柠檬>金枣>软枝酸橘。 相似文献
7.
以8种不同类型的柑橘砧木实生苗为试验材料,在处理条件较为一致的无土栽培系统中进行不同pH值(3.5和9.0,以6.0为对照)处理,测定胁迫下植株的形态表现、生长量指标以及与逆境相关的生理生化指标,利用主成分分析法和隶属函数法对柑橘砧木的耐酸/碱性进行综合性评价。结果显示,与对照相比,酸碱胁迫下供试砧木的各项指标均发生了变化,且变化幅度因砧木不同而不同。利用隶属函数法计算供试材料的耐性综合能力值,其值越大耐性越强,反之越弱。枳(Z-022)是耐酸性较强的砧木,资阳香橙是耐碱性较强的砧木,而KPJ-015和卡里佐枳橙分别是对酸胁迫和碱胁迫较为敏感的柑橘砧木。 相似文献
8.
9.
本研究对47份柑橘种质幼果总黄酮、总酚和总抗氧化能力进行测定,并用HPLC法对其中15份种质的11种功能性成分进行检测。结果表明,不同类型种质间的功能成分含量、种类差异显著,其中汉森1号、2号酸橙及丹江口红橘总黄酮、总酚含量和总抗氧化能力均显著高于其他种质。汉森2号的柚皮苷、汉森1号的新橙皮苷、香橙2号的芸香柚皮苷、汉森2号的芦丁、普通枳的欧前胡素、圆叶莽山野橘的异欧前胡素、辛弗林和橙皮苷含量、枸橼C-05的柠檬苦素含量最高。通过聚类分析15个份种质可分为6类。相关性分析的结果表明总酚与总黄酮,新橙皮苷与总抗氧能力、总酚、芸香柚皮苷呈显著正相关;柠檬苦素与橙皮苷呈显著负相关,与欧前胡素呈显著正相关。 相似文献
10.
卡里佐枳橙是重要的柑橘砧木,在世界范围内广泛应用。20世纪90年代作为一种新砧木被引进我国并在部分地区用于柑橘生产。为了全面了解卡里佐枳橙在我国的生产表现,本研究采用田间观察和问询相结合的方法在全国6个柑橘主产省16个区（县）30多个果园开展了嫁接亲和性、早结丰产性、抗逆性等方面的调查。在重庆和广西两个不同的生态类型共三个试验点、分别对嫁接在卡里佐枳橙和枳砧上的梁平柚和纽荷尔脐橙等两个不同接穗品种开展了连续三年在树体、产量、结果效率和果实品质等园艺学性状方面的系统比较。结果显示,总体上讲卡里佐枳橙的嫁接亲和性较好,但与红江橙和无籽柠檬嫁接后表现出明显的不亲和;早结丰产性好,树势旺,结果效率不如枳砧高;果实品质优良,与枳砧相比无显著性差异。在抗逆性方面,卡里佐枳橙对裂皮病、天牛比较敏感,对碱性土壤比较敏感,容易导致叶片缺铁黄化。本研究将对我国柑橘砧木的选择以及以卡里佐枳橙砧果园的田间管理提供参考和指导。 相似文献
11.
为了建立枇杷叶中齐墩果酸和熊果酸含量的高效液相色谱(HPLC)测定方法,选用色谱柱Agilent Ecilpse plus C18柱(250 mm×4.6 mm,5μm),流动相:乙腈-0.1%氨水(70∶30)磷酸调p H=8.0,流速为0.8 m L/min,检测波长210 nm,柱温25℃。齐墩果酸和熊果酸能达到基线分离,分离度R2.5,齐墩果酸在0.20~7.94μg、熊果酸在0.21~8.49μg范围内呈良好的线性关系。试验证明该方法操作简单,灵敏度高,重现性好,可用于枇杷叶药材的质量控制。 相似文献
12.
为了建立一种同时测定金叶清瘟散中绿原酸和咖啡酸的高效液相色谱法,选用Agilent C18色谱柱（250 mm×4.6 mm,5μm）,乙腈∶0.4%磷酸溶液（12∶88）等度洗脱,进样量10μL,流速1 mL/min,波长为328 nm进行检测。结果显示,被测物质能与样品中杂质有效分离,绿原酸和咖啡酸分别在5.0~500μg/mL和2.5~250μg/mL的范围内呈良好线性关系,两种药物的添加回收率均高于95%,RSD小于2%。该方法简便、快速、准确,适用于金叶清瘟散中绿原酸和咖啡酸的同时检测。 相似文献
13.
Efficacy of oral famotidine and 2 omeprazole formulations for the control of intragastric pH in dogs
Tolbert K Bissett S King A Davidson G Papich M Peters E Degernes L 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2011,25(1):47-54
Background: Little is known about the efficacy of commonly used acid suppressants on intragastric pH in dogs. Objective: To compare the effect of oral famotidine, 2 formulations of omeprazole, and placebo on intragastric pH in dogs with a catheter‐free, continuous pH monitoring system. Animals: Six healthy adult mixed‐breed colony dogs. Methods: Utilizing a randomized, 4‐way cross over, open‐label study, dogs were administered famotidine PO (1.0–1.3 mg/kg q12h), omeprazole tablet (1.5–2.6 mg/kg q24h), omeprazole reformulated paste (RP) (Gastrogard, 1.5–2.6 mg/kg q24h), and placebo for 7 days followed by a 10‐day washout period. Radiotelemetric pH capsules were placed with gastroscopy assistance to continuously record intragastric pH for 4 days (days 4–7 of dosing). The percentage of time that intragastric pH was ≥3 and ≥4 was compared among treatment groups using repeated measures of analysis of variance. Tukey's Studentized range test was used to determine which groups were different with α= 0.05. Results: Mean ± SD percent time intragastric pH was ≥3 and ≥4 was 22 ± 8% and 14 ± 6% for famotidine, 63 ± 14% and 52 ± 17% for omeprazole tablet, 54 ± 17% and 44 ± 18% for omeprazole RP, and 6 ± 6% and 5 ± 5% for placebo. Both omeprazole formulations significantly increased intragastric pH compared with famotidine and placebo, but omeprazole tablet and RP was not significantly different from each other. Conclusion: Oral omeprazole tablet and RP provide superior gastric acid suppression to famotidine, and should therefore be considered more effective for the treatment of acid related disorders in dogs. 相似文献
14.
将20头安装瘤胃瘘管的荷斯坦产奶牛随机分为对照组和试验Ⅰ～Ⅲ组,每组5头,对照组饲喂TMR,试验Ⅰ～Ⅲ组饲喂TMR分别加150．0g／（头·d）复合脂肪酸、乳酸和复合脂肪酸＋乳酸（1：1）,探讨复合脂肪酸和乳酸对奶牛瘤胃CH4释放量、VFA和NH3-N浓度及产奶性能的影响。结果显示,TMR加150．0g／（头·d）复合脂肪酸＋2L酸（1：1）,使奶牛瘤胃NH3-N和CH4释放量分别减少11．92％（P〈0．05）和21.35％（P〈0．01）,FCM、乳脂率和乳糖含量分别提高3．28％、5．12％和3．62％,瘤胃VFA明显增加,能够有效抑制奶牛对空气的CH4污染．显著提高奶牛的生态效益和经济效益。 相似文献
15.
目的建立用RP-HPLC测定鱼用补血颗粒中阿魏酸含量的方法。方法固定相Media C18柱(4.6×250mm);流动相0.2%甲醇乙腈-0.1%磷酸0.1%三乙胺水溶液(2080);检测波长324nm;流速1ml/min;进样体积20μl。结果阿魏酸在0.50～24.80μg/ml范围内线性良好(r=0.9999),平均加样回收率99.0%,RSD为1.30%。结论本法测定鱼用补血颗粒中阿魏酸含量具有简便、准确、重复性好的特点,可作为该产品质量控制的方法。 相似文献
16.
P.H. Kook J. Kempf M. Ruetten C.E. Reusch 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2014,28(6):1716-1723
Background
Although gastroesophageal reflux (GER) often is assumed to be causative for upper gastrointestinal and respiratory signs in dogs, no attempts have been made to verify this assumption.Objectives
To monitor esophageal pH with the Bravo pH system in healthy dogs and client‐owned dogs displaying signs commonly attributed to GER.Animals
Seven healthy and 22 client‐owned dogs.Methods
After routine esophagogastroduodenoscopy, radiotelemetric pH capsules were placed in distal esophagus for continuous pH recording. Reflux was defined as single pH measurement <4. At discharge, owners were instructed to press individually predefined clinical sign‐buttons on the receiver whenever indicated. Results between groups were compared using Mann–Whitney U‐test.Results
The median (range) number of refluxes in client‐owned and healthy dogs, respectively, was 17 (1–205) and 10 (1–65), the number of refluxes >5 minutes in duration was 1 (0–14), and 1 (0–4), duration of longest reflux (min) was 10 (0–65) and 8 (0–27), and fractional time pH <4 (%) was 0.76% (0.01–6.28), and 0.3% (0–3.1). No differences were found between groups. The median of 7 (1–35) clinical sign‐button pushes were recorded in 21 dogs. Median of 12.5% (2.8% [1/35]–50% [2/4]) reflux‐positive clinical sign‐button pushes was found in 10 dogs with reflux‐positive pushes. Five (22.7%) dogs had increased esophageal acid exposure, and mild esophagitis was noted in 1 dog.Conclusion and Clinical Importance
Despite evidence of increased GER in some dogs, the clinical sign‐reflux association remained poor. Future investigation should focus on dogs with esophagitis. 相似文献17.
18.
酸化处理防止玉米青贮饲料二次发酵效果试验 总被引：3，自引：0，他引：3
通过对不同玉米青贮饲料(扶风、岐山、五泉、夹道)样进行酸化处理,研究了酸化处理在防止青贮饲料二次发酵过程中的效果.结果表明,青贮后的玉米pH值与营养成分呈负相关,而酸香味、绿色程度与营养成分呈正相关.二次发酵后,各青贮饲料pH值升高,营养成分(CP、CF、NFE)下降.酸化处理可以显著延长青贮饲料二次发酵所需时间,差异显著(P＜0.05),酸化剂最佳添加量为每250 g青贮饲料中3 mL. 相似文献
19.
Davis MS Willard MD Nelson SL McCullough SM Mandsager RE Roberts J Payton ME 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2003,17(2):163-166
Exercise-induced gastritis and gastric ulcers are common in humans and horses, and recently have been described in racing sled dogs. The cause of exercise-induced gastric disease is not completely understood in any species, but pharmacologic suppression of acid secretion is an effective treatment in humans and horses. Thus, we tested the hypothesis that omeprazole, a proton-pump inhibitor shown to reduce gastric acid secretion in dogs, would reduce the severity of exercise-induced gastric disease. Three teams of 16 dogs each competing in the 2002 Iditarod Sled Dog Race were recruited for participation. Within each team, dogs were randomly assigned to either treatment (20 mg omeprazole PO q24h) or placebo. Treatments were administered until either completion of the race or withdrawal of an individual dog from competition. Gastric endoscopy was performed in all dogs 24 hours after completion or withdrawal, and the gastric mucosa was scored by using a subjective severity score (0 = normal, 3 = numerous bleeding ulcers). Treatment with omeprazole significantly reduced mean gastricseverity score compared to placebo (omeprazole: 0.65 +/- 0.17, placebo: 1.09 +/- 0.18; P = .028), but also was associated with increased frequency of diarrhea during the race (omeprazole 54%, placebo 21%; P = .017). Examination of our data suggests that omeprazole may be an effective treatment for exercise-induced gastric disease in racing sled dogs. However, further investigation regarding the cause and clinical relevance of diarrhea associated with omeprazole treatment must be conducted before omeprazole can be recommended for routine prophylactic treatment in these athletes. 相似文献
20.
牧地施石灰对白三叶草养分的影响研究 总被引：1，自引：0，他引：1
对贵州南部低ｐＨ牧地施用石灰，试验结果表明：山地黄壤酸性土壤植物营养水平都很低，同时微量养分缺乏，主要是由于土壤铝、铁离子高的影响，施石灰可增加ｐＨ值，降低土壤交换铝和植物中铁、锰含量、能使白三叶含钾水平提高。 相似文献