菜用加工兼用栗永荆3号选育     

阮逸  李德静  叶茂宗 《浙江林业科技》2001,21(5):27-29

一般认为我国南方栗仅宜于菜用，加工极易开瓣和糊化，经过几年的筛选和加工试剂，永荆3号品种可生产B－E级标准的糖水栗子罐头。  相似文献   

氮磷钾混合肥对锥栗坚果产量和质量的影响   总被引：4，自引：0，他引：4  

徐凤兰  王上伟  胡哲森  陆生泉 《落叶果树》2002,34(3):1-4

以 5年生锥栗为试树 ,进行土壤穴施氮磷钾混合肥试验 ,研究不同氮磷钾肥配比对锥栗坚果产量和质量的影响。结果表明 ,不同组合处理之间 ,除叶片的蛋白质含量和单株果枝数有显著差异外 ,叶绿素含量、单枝结棚数、单株结棚数、栗棚重、坚果重、出实率、单株棚产量和坚果产量的差异均不大。以穴施 0 .2 0kg尿素、0 .1 0kg钙镁磷和 0 .1 5kg氯化钾的混合肥较经济而有效  相似文献   

钻蛀板栗枝干害虫的发生情况分析     

俞云祥  黄素红  丁冬荪 《江西植保》2003,26(2):59-61

本文对钻蛀板栗枝干害虫的发生分布、致树木死亡的发生量和不同树龄期的发生差异等情况进行了分析。从中找到了一些规律，可供有关方面应用。  相似文献   

板栗低产林嫁接换冠成效的初步研究     

李小莲 《绿色科技》2014,(9):89-91

对嫁接换冠技术在寿宁县清源乡龟洋茶场板栗果园上的应用效果进行了调查，结果表明：对投产的低产劣种板栗进行嫁接换冠，改劣换优，可保持板栗品种的优良特性，使低产劣种板栗树嫁接换冠后的第3年，95％的板栗均可挂果投产，总产量增长幅度达8．265倍；挂果株数提高了3．8倍，良种挂果株数提高了4．75倍，平均单价提高了3．7元/kg ，总产值提高了13．83倍，经济效益十分显著。  相似文献   

锥栗良种圆蒂仔特征特性     

吴火金 《福建农业科技》2015,(5)

圆蒂仔是科技人员从众多锥栗农家品种中选育出的锥栗良种,在建瓯市各个乡镇均有栽培,深受广大榛农喜爱。总结圆蒂仔的特征特性。  相似文献   

响应曲面法优化气体射流冲击锥栗脱壳工艺   总被引：4，自引：2，他引：4  

林海  高振江 《农业机械学报》2006,37(4):71-75,67

为了优化锥栗气体射流冲击脱壳工艺,采用响应曲面法分析了冲击温度（163～197C）、加热时间（109～311 s）及气流速度（6.68～9.73 m/s）对于脱壳锥栗品质（失水率、脱壳率、色泽L＊值）的影响,并建立了相应的预测模型.方差分析的结果表明：冲击温度、加热时间及气流速度对于失水率、脱壳率和色泽L＊值这三项指标都有着极为显著的影响.优化所得的较优工艺参数为：冲击温度1 79℃,加热时间278 s,气流速度7.83 m/s.对应的失水率、脱壳率及色泽L＊值的预测值分别为：4.14%、86.95%和58.65.经试验证明：应用响应曲面法所得到的脱壳工艺参数是可行的.  相似文献   

Determination of vc and mating types of Cryphonectria parasitica isolates by multiplex PCR and their genetic diversity in 13 chestnut-growing provinces of Turkey     

Deniz Çakar  Göksel Özer  Seçil Akıllı Şimşek  Salih Maden 《Forest Pathology》2023,53(3):e12813

Vegetative compatibility (vc) and mating types and genetic diversity of Cryphonectria parasitica isolates were determined using 183 isolates obtained from 215 infected chestnut trees growing in 13 provinces of Turkey. Based on the cultural aspects, 143 of these isolates were evaluated as virulent whereas the remaining 40 isolates were hypovirulent. When vc types of 183 isolates were classically differentiated, 135 of them matched to EU-1 (82.3%), 29 of them to EU-12 (17.6%) vc type, whereas 19 of them did not match to the two. When molecular vic markers were used, all the isolates were assigned to two EU vc types; 149 to EU-1 (81.4%) and 34 (18.5%) to EU-12. Of the majority of the isolates, 134 (73.2%) had mating-type MAT-1, while 44 (24%) isolates had MAT-2 and 5 (2.8%) isolates had both mating types. The population analysis based on two DNA marker systems, Inter-Primer Binding Site and Start Codon Targeted Polymorphism, showed no intraspecific genetic variation among the C. parasitica isolates. The prevalence of two dominant vc types revealed by this study shows that biological control with hypovirulent EU-1 and EU-12 isolates will be significant for the country. The results might be helpful to chestnut breeders carrying out resistance breeding studies to manage this disease based on hypovirulence attributed to Cryphonectria hypovirus 1.  相似文献   

花桥板栗2号与邵阳它栗的比较研究     

田应秋 《中国果业信息》2014,43(5)

摘 要：本文以湖南省的花桥板栗2号和邵阳它栗为研究对象,从品种原产地的自然条件、品种特征特性等方面进行对比研究,认为花桥板栗2号和邵阳它栗具有一定的相似性但特性且各有优劣,宜扬长避短,实现板栗产业化生产。  相似文献   

栗属分子生物学研究进展     

韩继成  张新忠  刘庆香  王广鹏  孔德军 《分子植物育种》2006,4(1):117-124

壳斗科(Fagaceae)栗属(Castanea)植物的7个种分布广泛,不仅可用于木材生产,而且在坚果生产上也占有独特地位。基于形态学、同工酶、子叶储藏蛋白和RAPD数据,通过对分布于亚洲、欧洲和北美的栗属植物的遗传多样性研究表明中国板栗(Castaneamollissima)是世界栗属植物的原始种,长江流域是中国板栗的遗传多样性中心,土耳其是欧洲板栗的起源中心之一。在分子标记辅助育种方面,已发表了基于形态学、同工酶、RAPD和ISSR数据的两张栗属植物的遗传连锁图谱,其中一个是用欧洲板栗种内杂交后代F1全部单株构建的,另一张是用美洲板栗与中国板栗种间杂交后代F2单株构建的,并已经定位了3个假定的栗疫病抗性位点;并且证明在多年生木本果树上同工酶基因可通过连锁关系分析与形态基因整合为1个单一基因图而无需另外的杂交。从栗属植物中已分离纯化了包括可抑制HIV-1反转录酶活性的Mollisin在内的几丁质酶等抗真菌蛋白、胱氨酸蛋白酶抑制剂、热击蛋白、红血球凝集素、脱水素、花粉过敏原等功能蛋白质,并已经克隆了包括伤害应答基因在内的部分功能蛋白质相关基因。因此,作为具有独特性质的栗属植物,有必要开展更多的研究,就此本文对栗属植物遗传多样性、分子标记辅助育种和功能蛋白纯化和有关基因克隆等几方面的研究进展进行了总结,希望能位同行提供参考。  相似文献   

Identification and pathogenicity of Cryphonectriaceae species associated with chestnut canker in China     

N. Jiang  X. L. Fan  C. M. Tian 《Plant pathology》2019,68(6):1132-1145

Cryphonectriaceae species cause serious canker diseases on chestnut, oak and eucalypt trees. Recently, canker symptoms with typical orange fruiting bodies were observed on Chinese chestnut and oak trees in Hebei, Hubei, Shaanxi and Shandong Provinces in China. In the present study, isolates of these fungi were identified based on phylogenetic and morphological evidence, and their pathogenicities were tested on detached chestnut (Castanea mollissima) branches. DNA sequence comparisons of the internal transcribed spacer (ITS) regions and two regions of β-tubulin (TUB1/TUB2) indicate that these isolates represent five species in the Cryphonectriaceae, viz. Cryphonectria japonica, Cryphonectria parasitica, Aurantiosacculus castaneae sp. nov., Cryphonectria neoparasitica sp. nov. and Endothia chinensis sp. nov. The sexual morph of Aurantiosacculus is discovered for the first time and can be distinguished from the other genera in Cryphonectriaceae by dark brown ascospores and tubiform appendages at both ends. Cryphonectria neoparasitica sp. nov. is different from the other Cryphonectria species by its aseptate ascospores. Endothia chinensis sp. nov. is the sole species in Endothia infecting the host genus Castanea. Additionally, it is much smaller than E. gyrosa and narrower than E. singularis in ascospores. The inoculation results showed that these five Cryphonectriaceae fungi isolated from chestnut or oak are all pathogenic to tested chestnut branches. Cryphonectria parasitica appears to be the most aggressive fungus, followed by C. neoparasitica sp. nov., C. japonica, E. chinensis sp. nov. and A. castaneae sp. nov.  相似文献