A New Towel Gourd F_1 hybrid——‘Taisi NO.3'

＇Taisi N0.3＇ is an early mid-maturing towel gourd F1 hybrid developed by crossing Ps17-6-5-2-10-8 as female parent and Ps39-3-8-4-6-5 as male parent. The period from sowing to first harvest is about 75 days in spring cropping. It grows exuberantly in early stage and better in middle and later stages; leaves are green and palmately divided; the maximum leaf＇s length and width are about 25.5 and 33.7 cm. It bears fruit at the main and lateral branch. The first female flower sets on the 7^th-8^th node, and the fruit-setting rate is 72.8%. The fruit-setting rate is high. Its fruit is long round stick shape, 47.4 cm in length, and 3.75 cm in width, with smooth and green skin covered by dark green stripes, dense flesh. The fruit tastes good, with high Vc content. It is resistant to downy mildew, moderately resistant to CMV, and highly resistant to blight. The average fruit weight is about 282.3 g with the general yield of 82 500 kg/hm2.

Preliminary Report on the Breeding of F_1 Hybrid Between Broccolini with High Sulforaphane

Through the use of broccolini innovation resources, a group of unique ex- cellent broccolini and male sterile lines, as well as inbred lines were bred. In the research, 4 hybrid strains were bred by the use of male sterile lines which had vigorous growth, high resistance, good quality, good commodity and high yield, in- cluding Beauty No.l, Beauty No.2, Beauty No.3, Beauty No.4. The results showed that Beauty No.2 behaved the best comprehensive characters of high yield, high commercial value and good taste. The yield of Beauty No.2 was 28 185 kg/hm2 and 25% higher than the control Qianxiu, the sulforaphane content was as high as 48 mg/kg and 77.8%, 272.1% higher than the control of Qianxiu and Manuolv broc- coli, respectively. The comprehensive character of Beauty No.1 ranked the second, the yield was the highest （29 265 kg/hm2） and 30% than the control Qianxiu.

Electrophoretic Analysis of Isozymes and Proteins in F_1 Hybrids of Ctenopharyngodon idellus ♀ × Elopichthys bambusa ♂

[ Objective] This study aimed to investigate the biochemical and genetic characteristics of F1 hybrids of Ctenopharyngodon idellus ♀× Elopichthys bambusa ♂ - [ Method ] By using vertical polyacrylamide gel electrophoresis technology, three isozymes （LDH, EST, MDH） in nine tissues （heart, brain, eyes, liver, kidney, spleen, fin, muscle, plasma） of F1 hybrids of C. ideUus and parents were compared. [Result] Three isozymes in F1 hybrids of ♀× E. bambusa ♀ were analyzed; differences in isozyme and proteins between F1 hybrids idellus ♀× E. bambusa ♀ exhibited varying degrees of tissue-specificity; isozymes and proteins in F, hybrids were signiticandy different from the parents. [ Conclusion] These nine differences could be used as indicators to identify F1 hybrids and parents.

Analysis of Protein and Isoenzyme of LiLum davidii var.unicolor,Lilium Asiatic Hybrids and Their Hybrid F_1

[Objective]The paper was to provide theoretical basis for selection of parental combination and early identification of hybrids.[Method]The soluble protein and peroxidase of LiLum davidii var.unicolor,Lilium Asiatic hybrids and their filial generations were analyzed using polyacrylamide gel electrophoresis technique.[Result]The protein spectrum of filial generation with L.davidii var.unicolor as parent not only appeared the homologous band as parent with darker coloring,but also had new bands compared with parent.Peroxidase zymogram of hybrid F1 mainly displayed incomplete complementary and hybrid type of parent.[Conclusion]Protein spectrum and peroxidase zymogram could be used as the biochemical markers for the identification of hybrids of lily,which could also detect the target traits of plant.

Anther Culture about Hybrid F_1 by Solanum torvum SW.(♂) × Solanum melongena L.(♀)

Objective] This study was conducted to investigate the effects of different hormone combinations and concentrations on cal us induction and pIant regeneration of F1 hybrid of Solanum torvum SW. ＆#215; Solanum melongena L. [Method] Media suppIemented with different combinations and concentrations of hormones were pre-pared for anther cal us induction, proIiferation, differentiation and regeneration. [Re-sult] MS＋1.0 m/L 2, 4-D＋0.5 mg/L 6-BA was the optimum medium for anther cal us induction. MS＋1.0 mg/L KT＋0.1 mg/L NAA was the optimum medium for cal us proIiferation. MS＋2.0 mg/L 6-BA＋0.3 mg/L NAA was the optimum medium for in-duction of adventitious buds. MS＋0.3 mg/L IAA was the optimum medium for root-ing of adventitious buds. The highest rooting rate was onIy 37.5 because induction of rooting was a difficuIt work. [Conclusion] The resuIts wiI provide references for outcross fertiIity and genetic improvement of eggpIant.

Genotypic Resistance of F_1 Cotton Hybrids by Inoculation with Different Virulent Isolates of the Fungus Verticillium Dahliae Klebahn

The plant pathogen Verticillium dahliae causes severe cotton losses in Uzbekistan. To create cotton varieties that are resistant to the more virulent races of V.dahliae we wanted to determine

Asymmetric orbital hybridization in Zn-doped antiperovskite Cu_(1-x)Zn_(x)NMn_(3)enables highly efficient electrocatalytic hydrogen production

Rational design of efficient and robust earth-abundant alkaline hydrogen evolution reaction(HER)catalysts is a key factor for developing energy conversion technologies.Currently,antiperovskite nitride CuNMn_(3)has garnered significant interest due to its remarkable properties such as negative/zero thermal expansion and magnetocaloric effects.However,when utilized as hydrogen evolution catalysts,it encounters large challenge resulting from excessively strong/weak interactions with adsorbed H on Mn/Cu active sites,which leads to low HER activity.In this study,we introduce an asymmetric orbital hybridization strategy in Zn-doped Cu_(1-x)Zn_(x)NMn_(3)by leveraging the localization of Zn electronic states to reconfigure the electronic structures of Cu and Mn,thereby reducing the energy barrier for water dissociation and optimizing Cu and Mn active sites for hydrogen adsorption and H_(2)production.Electrochemical evaluations reveal that Cu_(0.85)Zn_(0.15)NMn_(3)with x=0.15 demonstrates exceptional electrocatalytic activity in alkaline electrolytes.A low overpotential of 52 mV at 10 mA cm^(-2)and outstanding stability over a 150-h test period are achieved,surpassing commercial Pt/C.This research offers a novel strategy for enhancing HER performance by modulating asymmetric hybridization of electron orbitals between multiple metal atoms within a material structure.

Evaluation of hybrid closed-loop insulin delivery system in type 1 diabetes in real-world clinical practice:One-year observational study

BACKGROUND In 2016,the Food and Drug Administration approved the first hybrid closed-loop(HCL)insulin delivery system for adults with type 1 diabetes(T1D).There is limited information on the impact of using HCL systems on patient-reported outcomes(PROs)in patients with T1D in real-world clinical practice.In this independent study,we evaluated glycemic parameters and PROs over one year of continuous use of Medtronic’s 670G HCL in real-world clinical practice.AIM To assess the effects of hybrid closed loop system on glycemic control and quality of life in adults with T1D.METHODS We evaluated 71 patients with T1D(mean age:45.5±12.1 years;59%females;body weight:83.8±18.7 kg,body mass index:28.7±5.6 kg/m2,A1C:7.6%±0.8%)who were treated with HCL at Joslin Clinic from 2017 to 2019.We measured A1C and percent of glucose time-in-range(%TIR)at baseline and 12 months.We measured percent time in auto mode(%TiAM)for the last two weeks preceding the final visit and assessed PROs through several validated quality-of-life surveys related to general health and diabetes management.RESULTS At 12 mo,A1C decreased by 0.3%±0.1%(P=0.001)and%TIR increased by 8.1%±2.5%(P=0.002).The average%TiAM was only 64.3%±32.8%and was not associated with A1C,%TIR or PROs.PROs,provided at baseline and at the end of the study,showed that the physical functioning submodule of 36Item Short-Form Health Survey increased significantly by 22.9%(P<0.001).Hypoglycemia fear survey/worry scale decreased significantly by 24.9%(P<0.000);Problem Areas In Diabetes reduced significantly by-17.2%(P=0.002).The emotional burden submodules of dietary diversity score reduced significantly by-44.7%(P=0.001).Furthermore,analysis of Clarke questionnaire showed no increase in awareness of hypoglycemic episodes.WHO-5 showed no improvements in subject’s wellbeing among participants after starting the 670G HCL system.Finally,analysis of Pittsburgh Sleep Quality Index showed no difference in sleep quality,sleep latency,or duration of sleep from baseline to 12 mo.CONCLUSION The use of HCL in real-world clinical practice for one year was associated with significant improvements in A1C,%TIR,physical functioning,hypoglycemia fear,emotional distress,and emotional burden related to diabetes management.However,these changes were not associated with time in auto mode.

Enhancing Human Action Recognition with Adaptive Hybrid Deep Attentive Networks and Archerfish Optimization

In recent years,wearable devices-based Human Activity Recognition(HAR)models have received significant attention.Previously developed HAR models use hand-crafted features to recognize human activities,leading to the extraction of basic features.The images captured by wearable sensors contain advanced features,allowing them to be analyzed by deep learning algorithms to enhance the detection and recognition of human actions.Poor lighting and limited sensor capabilities can impact data quality,making the recognition of human actions a challenging task.The unimodal-based HAR approaches are not suitable in a real-time environment.Therefore,an updated HAR model is developed using multiple types of data and an advanced deep-learning approach.Firstly,the required signals and sensor data are accumulated from the standard databases.From these signals,the wave features are retrieved.Then the extracted wave features and sensor data are given as the input to recognize the human activity.An Adaptive Hybrid Deep Attentive Network(AHDAN)is developed by incorporating a“1D Convolutional Neural Network(1DCNN)”with a“Gated Recurrent Unit(GRU)”for the human activity recognition process.Additionally,the Enhanced Archerfish Hunting Optimizer(EAHO)is suggested to fine-tune the network parameters for enhancing the recognition process.An experimental evaluation is performed on various deep learning networks and heuristic algorithms to confirm the effectiveness of the proposed HAR model.The EAHO-based HAR model outperforms traditional deep learning networks with an accuracy of 95.36,95.25 for recall,95.48 for specificity,and 95.47 for precision,respectively.The result proved that the developed model is effective in recognizing human action by taking less time.Additionally,it reduces the computation complexity and overfitting issue through using an optimization approach.

湿地松×加勒比松F_1杂种的扦插苗与实生苗早期生长比较

利用湿地松与加勒比松的7个杂交组合的扦插苗和实生苗营建对比试验林,扦插苗和实生苗的造林成活率分别为97 19%和97 55%;造林后第4年,杂种松无性群体和实生群体相对于湿地松种子园种的树高、胸径、材积现实增益分别达29%与26%、34%与34%、133%与135%;杂种的无性群体在种植后的1～3a内生长比实生群体慢,但年生长量逐年增大,到第4年时可超过实生群体。初步的试验结果表明,优良杂种的扦插苗可在我国南方地区推广应用。

籼粳亚种F_1的分类及其与杂种优势关系的研究

采用程氏指数分类法对籼粳交亲本及其F_1分类结果,28个亲本基本可分籼粳两大类,广亲和品种多属偏籼偏粳型,与爪哇型品种接近。以籼稻为母本的籼粳交F_1籼型较多,约占73.1％,以粳稻为母本的籼粳交F_1粳型较多,约占72.4％,92个籼粳交组合F_1偏籼、偏粳型比例为73.9％,这说明F_1分类既受细胞质影响,也受双亲遗传背景影响。双亲程氏指数差值与F_1结实率呈极显著的负相关,而与F_1的生物产量呈极显著正相关,双亲程氏指数差值大小适合(6～13)时,生物产量与结实率均较高,其经济优势较强。

披碱草和野大麦及其杂种F_1与BC_1过氧化物酶同工酶分析

采用聚丙烯酰胺垂直平板电泳技术对披碱草和野大麦及其杂种 F1和 BC1过氧化物酶(POD)同工酶做了比较分析。结果表明 ,亲本披碱草和野大麦的 POD同工酶谱可明显地分成A、B两区 ,有 4条相同位点的基带 ,从酶蛋白分子水平验证出两亲本有较近的亲缘关系 ;杂种 F1的 POD酶谱主要表现为双亲酶带的互补类型 ,正交 (野大麦×披碱草 ) F1和反交 (披碱草×野大麦 ) F1的酶谱基本相同 ,在个别位点存在酶带活性强弱的差别 ;野大麦×披碱草×野大麦 (BC1)和披碱草×野大麦×野大麦 (BC1)的酶谱基本相同 ,但也存在一定的差别 ,BC1的酶谱明显偏向轮回亲本野大麦 ,特别是野大麦×披碱草×野大麦 ,说明通过回交使野大麦的某些性状在 BC1代中进一步加强 ;POD同工酶具有多态性 ,可作为遗传标记用于杂种的鉴定和回交后代目标性状植株的检测。

披碱草和野大麦及其杂种F_1与BC_1酯酶同工酶分析

采用聚丙烯酰胺垂直平板电泳技术对披碱草和野大麦及其杂种 F1与回交 1代酯酶同工酶进行比较分析。结果表明 ,亲本披碱草和野大麦有位点相同的 9条基带 ,从酶蛋白分子水平验证 ,两亲本有较近的亲缘关系。杂种 F1的酯酶同工酶谱主要表现为双亲酶带的互补类型 ,亲本的个别酶带在杂种 F1有丢失现象 ,正反交杂种 F1均产生一条杂种带。杂种 F1酶谱有偏向母本遗传的倾向。正反交的回交 1低酯酶同工酶谱基本相同 ,但也存在一定的差异 ,回交 1代的酯酶同工酶谱明显地偏向轮回亲本野大麦。酯酶同工酶具有多态性 。

四倍体沙01梨F_1代染色体数目鉴定

本文对四倍体沙 0 1梨 F1 代单株进行了染色体数目鉴定 ,共 8个组合 1 0 7株 ,发现4 9株三倍体 2 n=3 x=51 ,其中 1株为大水核×沙 0 1 F1 代 ,2 6株为沙 0 1×大南果梨 F1 代 ,3株为大南果梨×沙 0 1 F1 代 ,1 1株为沙 0 1×秦酥 F1 代 ,2株为安梨×沙 0 1 F1 代 ,6株为沙 0 1×金花 4号 F1 代 ,三倍体出现率为 4 5.8 ;1株为四倍体 2 n=4 x=68 ,系安梨×沙 0 1 F1 代 ,占观察总数的 0 .9 ;1 0株为非整倍体 ,均为三倍体作母本的 F1 代 ,占观察总数的 9.3 .结果表明 ,沙 0 1梨作母本 ,二倍体大南果梨作父本 ,是获得三倍体单株的理想组合 ,沙 0

披碱草与野大麦的属间杂交及F_1代细胞学分析

本研究用披碱草与野大麦进行远缘杂交，正反交均获得杂交种子及F1代植株。杂种F1在芒长和林高方面介于双亲之间，而穗形外观类似于野大麦。杂种F1花粉母细胞减数分裂中期I染色体配对构型频率为：7．94Ⅰ、10．95Ⅱ、1．52Ⅲ、0．15Ⅳ。后期Ⅰ、Ⅱ普遍含有落后染色体、染色体桥、染色体不均等不同步分离现象。四分体普遍含有数目不等的微核。杂种F1代不育。从杂种表现方面分析，F1代分蘖增多，生长期延长，叶量丰富，具有明显的育种潜力。

Hybrid综合学习模式研究

不同的教育理论产生不同的教育模式,网络教育理论的融合推动了Hybrid综合教学模式的产生。成功的教学模式往往具有共性,有着坚实远程教学理论支撑的3+1核心模块可以构成综合学习模式的基本框架。而教师在模式实施过程中的全程引导和管理也是综合模式能否有效运行的重要环节。

冬、春小麦杂种F_1及春小麦品系间杂种F_1代主要农艺性状的研究

本文应用相关和通经系数分析方法,对两种杂交组合方式的小麦F1代农艺性状进行研究。结果表明,春小麦品种间 杂交组合F1代的穗粒数多于春、冬小麦杂种F1代的穗粒数;两种杂交方式的F1代单穗粒数与单穗粒重的关系极为密切, 对其单穗粒重的贡献最大。为春小麦优质高产育种提供科学途径。

披碱草和野大麦杂种F_1及BC_1代育性研究

本文对披碱草(ElymusdahuricusTurcz.)和野大麦(HordeumbrevisubulatumLink)杂种F1及BC1代的花粉可育率和结实率进行了测定。结果表明,亲本披碱草和野大麦的花粉可育率较高,分别为87.1%和89.2%,开放授粉的自然结实率分别为39.4%和34.8%。正、反交杂种F1代高度不育,花粉可育率分别为2.2%和1.1%,在开放授粉情况下均不结实。BC1代的花粉可育率和结实性有不同程度的恢复和提高,各株系间的花粉可育率和结实率有较大的变异,有的株系花粉可育率和结实率仍很低,花粉可育率只有0.3%,开放授粉不结实;有的株系花粉可育率和结实率较F1代有大幅度的提高,花粉可育率可达74.9%,自然结实率可达14.6%。回交是克服杂种F1不育的有效途径。

三色堇F_1代杂交制种中过氧化物同工酶研究

通过对三色堇与角堇黄色、紫色两色系杂交组合父、母本及F1代过氧化物同工酶酶谱分析 ,初步探明了父本角堇、母本三色堇及F1代过氧化物同工酶特征和相互差异 ,并对其遗传特点进行讨论。

不同营养水平对杜—哈白F_1猪肌组织影响的研究

用光镜观察和测量了杜—哈F_1猪90公斤时肌组织的形态学特征:a.背最长肌(M.longissimus dorsi)和股二头肌(M.biceps femoris)基本上均属于中间型(氧化糖酵解型)纤维构成的肌肉,该纤维肌浆均匀,肌原纤维孔氏区(Cohnheim)明显。红肌纤维位于1级肌束中部,常以2,3条肌纤维集聚,形态多为圆形,其周围的肌肉膜清楚,常与周围中间型肌纤维分离,其肌浆充盈,故不易见孔氏区象。白肌纤维极少,肌浆贫乏,肌原纤维呈密集点状(横断面);b.F_1代猪肌小束(1级肌束)以35～50条肌纤维组成,小束间结缔组织膜H.E染色不清,仅以裂隙示之,但PAS染色,Osimic acid处理的肌组织Ⅰ级肌束膜清楚。以数条到十数条肌小束构成Ⅱ级肌束;c.F_1代猪肌纤维直径45～65微米,雌性的大于阉雄的;肌小束膜及肌束膜厚,阉雄的大于雌性的。d.股二头肌肌内膜比背最长肌肌内膜发达,说明背最长肌柔嫩、细腻,肉的品质高于股二头肌。e.根据观察和生物统计二因素方差分析表明,第1组早期18％,后期14％的蛋白及5％的鱼粉混合料对肌纤维粗度、密度有显著影响,但在肌纤维类型的比率上无明显差别。根据肉质标准,该组饲料配方效果,尚需商计。其它7组饲料配方,无规律性变异。