18 April 2006, Volume 1 Issue 4

    

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研究论文
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  The Growth and Yield Formation in Zhujie and Kejiajie (Brassica juncea var.foliosa Bailey)

  Guan Peicong;Luo Guanying;Liu Houcheng

  . 2006, 1(4): 5-7.

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  The growth, yield formation, accumulation efficiency and adaptability to season were evaluated in little leaf mustard (Brassica juncea var.foliosa Bailey)(cv. Zhujie and Kejiajie).The character of yield formation,relationship between the amount of sowed seed and yield,quality of little leaf mustard were discussed.Results showed that the growth,yield formation,accumulation efficiency and adaptability to season of two varieties were almost the same.When the amount of sowed seed was 2.25 g·m~ -2 ,yield and qua...
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  Effect of Microbial Organic Fertilizer on Growth,Yield and Quality of Tomato

  Xu Ligong;Xu Kun;Liu Huicheng

  . 2006, 1(4): 5-7.

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  The effect of microbial organic fertilizer on tomato (cv.144)growth,output and quality was studied.The result showed,the mixture of microbial organic fertilizer and chemical fertilizer increased the growth,yield,fruit’s nutrition quality and flavor of tomato significantly,especially in increasing the content of lycopene,reducing the content of nitrate in the fruit.The yield of treatment with microbial organic fertilizer and the mixture of microbial organic fertilizer and chemical fertilizer were 82.0 and 89...
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  Study on the Carbohydrate Metabolism in Lotus Root during Storage in Field through the Winter

  Li Liangjun;Zhang Xiaodong;Xie Ke;et al.

  . 2006, 1(4): 11-13.

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  Changes of starch (including amylose and amylopectin),glucose,fructose and sucrose content in lotus root were studied during storage in field through the winter.The results showed that the main storage nutrition of lotus root was starch.In matured rhizome of Wuzhi No.2 starch content was 12.8 %,which was the highest among the four varieties,while Elian No.1 s starch content of 11.2 % was the lowest. Before November 30th,carbohydrate content in rhizome almost remained the same;from November 30th to January 3...
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  The Relationship between Radish Cytoplasmic Male Sterility and Hormones

  Ren Xibo;Dai Xiyao;Wei Yutang;et al.

  . 2006, 1(4): 14-16.

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  The ratios changes between hormones were investigated in young roots,leaves and buds of Jinhuatai cytoplasmic male sterile (CMS) radish 75A and its maintainer 75B during different development stages with enzyme-linked immunosorbent assay (ELISA).The results showed that the ratio of IAA/ABA,IAA/ZR and IAA/GA was remarkably lower in cytoplasmic male sterile line than that in corresponding maintainer,while the ratio of GA/ZR and GA/ABA was on the contrary except specific periods.The endogenous hormonal ratio w...
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  Evaluation of Different Sex Pheromone Lures and Light Traps for Traping and Monitoring the Adults of Spodoptera exigua and S.litura

  Li Huiming;Guo Yuren;Wu Xiangwen;et al.

  . 2006, 1(4): 17-19.

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  The sex pheromone technology was introduced to increase our alert system of monitoring and predicting the infestation of vegetable pests in the field.Six commercially available pheromone lures and three light traps were evaluated for monitoring the beet armyworm Spodoptera exigua and S.litura.The results showed that the most effective lure was Ningbo Newcon,which had the longest longevity,caught the most males and had the most accurate seasonal population peak in both of the species.It possesses higher reli...
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  Field Trial of Several New Types of Insecticide in Controlling Plutella xylostella and Pieris rapae

  Wang Guangfu;Pan Xuechun

  . 2006, 1(4): 20-21.

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  Preliminary Control Efficacy of Formalin-EM Bacterial Liquid on Plastic Greenhouse Pepper Disease

  Song Zhanfeng;Teng Youde

  . 2006, 1(4): 21-22.

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  Evaluation and Analysis on Quality of Different Radish Cultivars

  . 2006, 1(4): 22-23.

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品种选育
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  A New Potato Variety for Fresh Market—‘Tianshu No.9’

  Zhao Genhu;He Erliang;Guo Tianshun;et al.

  . 2006, 1(4): 24-25.

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  The potato variety of Tianshu No.9 was developed for fresh market by crossing female parent 91-26-116 with male parent 85-6-14.It is a late maturity variety with round tuber shape,light yellow tuber skin color,white flesh and shallow eyes.The variety produces 2.1 tuberes per hill with 172 g of tuber size.Its marketable tuber weight percentage reaches 87.6 %.It is approved to be grown in Tianshui,Linxia,Weiyuan in Gansu province.
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  A New Melon F_1 Hybrid —‘Zetian No.1’

  Li Deze;Nie Liqin

  . 2006, 1(4): 26-27.

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  Zetian No.1 is a new melon F_1 hybrid developed by crossing inbred line Tz_ 98-2-2 as female parent with inbred line Tz_ 98-3-5-1 as male parent. It has early maturity, 10-12 days earlier than Qitian No.1.The fruit is round with light yellow skin,tastes sweet and crisp.Average fruit weight is 0.4 kg.It yields about 22.5-30.0 t·hm~ -2 .It has resistance to downy mildew and powdery mildew and is suitable for cultivation in both open field and protected field. It has been extended for 2 000 hm~2.