Luo Lijun , Zhang Duanpin , Xie Yuefeng ,
1988(2).
Abstract:Four Yunnan rice cultivars were crossed with two common cultivars and thegenetic variation in these crosses were observed. The F_2 progenies exhibited wide ranges ofsegregation in heading date, fertile spikes per plant, number of grains on main spike,perc
Zhzng Lin , Zhang Duanpin , Xie Yuefeng ,
1988(2).
Abstract:The inheritance of resistance to bacterial blight was studied in theprogenies of crosses between subspecies of rice. The results established that theresistance at the adult stage, was governed by singel dominant or recessive genes, amode that is very simi
1988(2).
Abstract:在五种不同恒温条件下,观察了黄岗仓花蝽各世代的存活率及成虫的繁殖力。结果表明,该虫的世代存活率及成虫的繁殖力均以28℃下的为最高,36℃下的为最低。进而根据不同温度条件下的实验数据,组建了该虫实验种群生命表,并用数学模型描述了温度与种群增长的关系,可用以预测该虫在不同温度下的种群增长趋势。
Shi Xiaoyan , Cao Yahzen , Hu Zhengjia ,
1988(2).
Abstract:11 isolates of fast-growing soybean rhizobia have been isolated fromtwo different soils in Hubei province. All of the 11 isolates showed significantsymbiotic effectiveness with the soybean cultivar Ai Jiao Zao in a pot experiments.Six representative isola
1988(2).
Abstract:The present experiment was carried out in order to find out theeffects of some growth retardants, inclucing B_9 (N. N-dimethylamino succinamic acid)and PIX (N. N-dimethylpiperidimium chloride), on the resistance of tomatoes(Lycoqerstcon esculentum Mill).
1988(2).
Abstract:This paper discusses the evolution of the population improvement offorest trees. It briefly introduces methods of pohulation improvement, examines somemisconceptions currently widespread in China, and makes suggestions on renewing theoutline and contents
1988(2).
Abstract:Six water buffalo were used in the present study. The numbers of motilinimmunoreactive cells which were found only in duodenum were least among the fourtypes of endocrine cells in the GEP system. Cholecystokinin immnnoreactive cellsoccurred in the whole s
Su Xoing ,
1988(2).
Abstract:用于分离和鉴定多杀巴氏杆菌的选择指示培养基的主要成份为胰蛋白膘(1%),胰蛋白胨(0.5%),蔗糖(1%),2.5%石蕊水溶液(0.25%)和1%中性红(0.5%)等。接种于该培养基后,于37℃培养24-48小时,多杀巴氏杆菌呈微红至玫瑰红色的露水珠样菌落,菌落边缘显示红色或兰绿荧光。而非多杀巴氏杆菌在37℃培养18-24小时的菌落显深紫红色(发酵蔗糖的细菌)或淡兰绿色或无色(不发酵蔗糖的细菌),在透射光线下观察,其边缘均不显荧光。当分离多杀巴氏杆菌时,如果在该琼脂平板培养基上出现3-5个典型菌落时,则对多杀巴氏杆菌的鉴别率通常可以达到100%。
1988(2).
Abstract:将含有枯氏住肉孢子虫缓殖子的心肌碎末混悬液,叠加在含有四种不同梯度密度的珀珂(Percll)溶液之上(从底部至上层舶州密度分别为1.10,1.07,1.037和1.02g/ml)的离心管中,然后放在与转轴成45°的离心机内,离心力为1024g(3200转/分),于15℃离心20分钟。然后,从离心管底部获得非常纯净的住肉孢子虫缓殖子。
1988(2).
Abstract:By using the peroxidase-antiperoxidase(PAP)staining technique, 10 kindsof antisera raised against mammalian hormones are identified with regard to occurrenceand distribution of endocrine cells in the gut of three grass carps(Ctenopharyngodonidellus). Cell
1988(2).
Abstract:The Characters of reproduction of the Hemibarbus maculutus (Bleeker)in lake Nanhu, Wuchang, was studied. 738 specimens were collected from November1984 to june 1986. The chief results are summarized as follows:1. The coeffcient ofmaturity of the V ovary v
Li Qiwen ,
1988(2).
Abstract:Offered in this paper is the Statistic-Optimum Seeking Method-animproved curve-fitting method of Logistic Curve, a pattern found in the increase ofinsect-population. According to this method, the work load of calculation has beenreduced and better precisi
1988(2).
Abstract:The purpose of this on-line system is to communicate between NEC PC-8801 8 bit microcomputer and FACOM M-340S medium-size computer by Fujitsucompany, to share the rich software and hardware resources, and to realize remoteterminal communication and office
1988(2).
Abstract:This paper, based on the practice and theory of breeding, attemptsto introduce a new breeding method named "Blood Relation Breeding" (BRB). Themethod includes four phases which are the establishment of the basic populationof the BRB, the successive blood
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