20 November 1998, Volume 1 Issue 6

    

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研究论文
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  Assisted Transgression of Dominant Male Sterile Gene (Ms) in Cabbage by Using Molecular Marker EPT11 900

  Wang Xiaowu;Fang Zhiyuan;Sun Peitian;et al.

  . 1998, 1(6): 1-0.

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  Polymorphism was analyzed in 33 inbred lines of cabbage by using an extended random primer amplified DNA (ERPAD) marker EPT11 900 linked to a dominant male sterile gene in cabbage. The results indicated that EPT11 900 mainly distributed among inbred lines with early maturity and rarely existed in inbred lines with chicken-hearted head or late flat head. It was feasible to employ EPT11 900 in marker assisted transgression of Ms gene to most lines with late maturity or with chicken-hearted head...
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  Study on the Relationship between the Aplication Rate of N. P. K and the Accumulation of Nitrate and Yield of Celery

  Liu Mingyue;Qin Yuzhi;Cai Yanping;et al.

  . 1998, 1(6): 2-0.

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  By means of quadratic rotational combination design a three-faltor (N. P. K) experiment of hydroponic. Culture was conducted. The regression equation of the relationship amount N. P. K and the effects on the concentration of nitrate and yield of celerey was established. The results indicated that:Nitrate accumulation had a positive correlation with supply of nitrogen and a negative correlation with P. K. The order that N. P. K influenced on the yield of celery N>P>K. The interaction amount N. ...
试验研究
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  Evaluation and Screening of Resistance to Bacterial Wilt in Tomato

  Zheng Jinrong;Zhang Yanrong;Li Zhenxing

  . 1998, 1(6): 3-0.

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  Thirty-six toamto varieties from AVRDC were evaluated for the resistance to bacterial wilt and the agronomic characters. The results showed that five tomato varieties R 304 10 N UG (5054),Cravel (5052),CLN1463 160 40 60 (5056),CLN1464 111 30 45 (5057),and Redlander (5059) had high resistance to bacterial wilt ,higher yield,good qualities,and are promising breeding materials.
专题综述
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  Relationship of Tomato Shoot Wilt with Variety,Sowing Date and Culture Method

  Wei Dongmei;Tang Jiankui;Chen Huimin;et al.

  . 1998, 1(6): 4-0.

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  The relationship of tomato shoot wilt,a main physiological disorder occurred in summer and autumn,with variety,sowing date and culture method were investigated. Varieties including Maofen 802,Luofan No.2 and L 402 ect. did not show significant difference. But tomato shoot wilt had a close correlation with sowing date,the longer the seedlings were kept under high temperature,the more quickly and serious the disease occurred. Both mulch and intercrop with corn decreased the disease index significantly.
研究论文
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  Studies on the Growth and Development and Yield Formation of Dwarf Asparagus Bean Vigna ungui culata W. ssp. sesquipedalis (L.) Verd

  Guan Peicong;Liu Houcheng;Chen Yudi

  . 1998, 1(6): 5-0.

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  Growth trend,leaf area formation,podding characteristics and pod yield formation of dwarf asparagus bean sowed in spring and autumn in Guangzhou were studied. The results showed that the growth trends of plant and its organs (root,stem,leaf and pod) appeared in S curve when sowed in spring. The growth trends of dwarf asparagus bean sowed in autumn were similar to that sowed in spring. The gowth,leaf area and pods per plant were more than that sowed in spring,but there was no significant difference in yields...
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  The Effects of Zinc Sulphate on Nutritious Value of Celery

  Zhang Zeyan;Sun Kegang;Lu Aiying

  . 1998, 1(6): 6-0.

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  s The effects of Zinc sulphate on growth and nutrients of celery were studied. The results showed that the Base fertilizer of Zinc sulphate was better than topdressing or spraying and shadow application was better than the deep. The Zn contents of different parts of celery increased with Zinc fertilizer application. The amount of absorption was root>leaf>leafstalk. The Zinc concentration was leaf>root>leafstalk. Mn,Fe contents of celery were also affected by Zinc fertilizer application. The con...
试验研究
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  Study on the Transplanting Techniques of Tissue Cultured Plantlets of Pumpkin

  Bai Xinfu;Zhao Jianping;Bi Kehua;et al.

  . 1998, 1(6): 7-0.

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  Transplanting season,media and time of tissue cultured plantlets of pumpkin were studied. The best time of transplanting was when the plantlet roots were 0～1cm in length. Better medium was 1/3 sands + 1/3 humus soil + 1/3 grits (3 layers). The suitable season of transplanting was spring (from Mar. 10 to Apr. 20). On above conditions,the survival rate of transplants was 90%～100%.
品种选育
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  New Watermelon F 1 Hybrid ‘Hainong No.6’

  Wang Shuqin;Zheng He;Xu Mei

  . 1998, 1(6): 8-0.

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  Hainong No.6’ is a F 1 hybrid watermelon. It is highly resistant to Fasarium wilt and anthracnose. The fruit is ellipse covered with dark green stripe and red flesh. It produces uniform and beautiful fruit. The centural soluable solid content was 11%～12%,marginal was 9%～10%,the maxmium can reach 13% ,fruit skin was about 1cm thick. The average weight per fruit was about 10kg,and its marketable percentage was high. The yield was 60～75t·hm -2 . It has been extended in Beijing,Hebei,Shandong,Shanxi,Hun...
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  Early Maturing and High Yielding Slight hot pepper ‘Xiangyan No.12’

  Zou Xuexiao;Zhou Qunchu;Dai Xiongze et al.

  . 1998, 1(6): 10-0.

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  Xiangyan No.12’is an early maturing slight hot pepper F 1 hybrid developed by excellent inbred 9009 crossing with inbred 9002. It has early maturity,high yield,good diseases resistance and marketable character,and is significantly better than ‘Xiangyan No.1’. It can be harvested for the first time in 42 days after transplanting. The variety has been extended in Hunan,Hainan and Yangzi River areas.
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  Breeding of ‘Mengjiao No.3’ Pepper

  Liang Zhihuan;Zhang Qing;Gao Chunmei;et al.

  . 1998, 1(6): 11-0.

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  Mengjiao No.3’is a F 1 hybrid that crosses inbred line 8603 7 and 8606 1,which were selected from a local variety and a variety from USA. The variety has early maturity and grows vigrously. First harvest occurs 35 days after transplanting. Fruits are slight pungent and dark green. It has middle resistance to TMV. The average yield ranges from 37500 55500kg·hm -2 . It is suitable to grow under plastic arched protection and plastic mulching culture.
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  Breeding of ‘Meiqie No.1’ Eggplant

  Huang Xiangui;Wen Qingfang;Zheng Guozhang;et al.

  . 1998, 1(6): 12-0.

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  Meiqie’ No.1 is a newly released F 1 hybrid that was developed from the cross of 21-3,an inbred line selected from a Taiwan long purple cultivar,with 21-4,an inbred line from a local red cultivar in Fujian. It has desirable traits including early maturity,fine fruit characters and high yield. The average yield is about 30.0 45.0t·hm -2 . It has been popularized and planted nearly 3200 hm 2 in Fujian,Zhejiang,Jiangxi,Guangdong provinces.