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18 July 2005, Volume 1 Issue 7
    

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    研究论文
  • Effects of Different Composts on the Main Soil and Environmental Factors of Greenhouse and Development of Tomato
    Wu Chuncheng;Li Tianlai;Ma Ningning
    . 2005, 1(7): 4-6.
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    The main factors of soil and environment of solar greenhouse and development of tomato were investigated with straw, mushroom residue and fresh chicken manure. The results showed that a higher CO_2 concentration of the greenhouse air was maintained during the stage of tomato growth. The number of microorganism and the content of nutrient in soil was improved obviously. The growth and yield of tomato increased while the quality of fruit was improved no-significantly.
  • The Growth and Leaf Head Formation in Brassica juncea var. capitata Bailey
    Guan Peicong;Liu Houcheng;Luo Guanying
    . 2005, 1(7): 7-9.
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    There were four stages (germination, seedling, leaf growth and leaf head formation) during head mustard growth from sowing to harvest. The fresh and dry weight of top plant, root, outer leaf and leaf head increased gradually, following a single-peak curve. The fresh weights of leaf head was 48.2 % of total plant fresh weight. The 1st-5th expanded leaves played important role in seedling and leaves growth, and 5th-9th expanded leaves played important role in leaf head formation. There were twelve inner leave...
  • Influence of Graft to the Content and Distribution of Nutrient in Eggplant Fruit
    Yang Yu;Zhou Baoli;Wang Wei;et al.
    . 2005, 1(7): 10-11.
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    he content and distribution of protein, VC, dissoluble-sugar in eggplant fruit were studied with Tuolubamu as stocks and Xi’anluqie as cion. The results showed that the content of protein, VC and water in the fruits with grafting were more than that of control, except dissoluble-sugar. The distribution of main nutrients in the part of fruit didn’t change. Nutrients content of the endocarp were higher than that of the epicarp, which was different from the variation between top to pedicel of the fruit. The c...
  • Studies on Tissue Culture and Artificial Seeds of Brassica oleracea L. var. gemmifera Zenk.
    Shen Ying;Xu Cheng;Zhang Ming
    . 2005, 1(7): 12-14.
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    The paper described the plantlet regeneration of Brassica oleracea from its hypocotyl and production of artificial seed with young shoots. The results showed that the hypocotyl segment from 8-day-old seedlings was the best for inducing adventitious buds and the averaged propagate coefficient of buds was 11.3. 6-BA and ZT significantly promoted to (inducing) adventitious buds, and the propagate coefficient was 11.2 under the 2 mg·L~(-1) of 6-BA. The adventitious buds were encapsulated with a sodium alginate ...
  • Evaluation of the Baiting Methods for Detecting Phytophthora capsici from Soil
    Li Haiyan;Zhen Yan;Liu Tiruo
    . 2005, 1(7): 15-18.
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    By comparing the three methods of soil dilution , stem burying and leaf baiting, the veracity and maneuverability of detecting Phytophthora capsici in soil were studied. The results showed that using the leaf disk as bait could not only isolate P. capsici from soil quickly, but also estimate the amount of live pathogenic fungi. And the disease index on the capsicum seedlings of the same year could also be predicted. Among the eleven plant leaves, Chenopodium glaucum was the best according to the baiting abi...
  • Effect of Dicyandiamide on Nitrate Accumulation of Vegetables Grown in Bagasse Substrates
    Huang Xingfa;Gu Minghua;Shi Baofeng;et al.
    . 2005, 1(7): 19-21.
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    The effect of dicyandiamide (DCD) on nitrate accumulation in flowering Chinese cabbage, spinach, lettuce, Chinese cabbage were investigated. The vegetables were cultured in bagasse substrates and DCD was applied to the substrates 20 days before harvest. The result indicated that nitrate content was reduced by (24.9 %), 27.1 %, 39.1 %, and 41.6 % in the four vegetables respectively, while the yield and quality were not affected significantly.
  • Study on Transferring Gennic Male Sterile Line to Ovate Ecotype of Chinese Cabbage
    Yue Yanling;Feng Hui
    . 2005, 1(7): 22-22.
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  • Quality Change of Chieh-que Stored at Room Temperature
    Li Yan;Li Wenjia;Li Lizhi;Fang Fengxue
    . 2005, 1(7): 23-24.
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  • Resistance Monitoring of Diamondback Moth to Insecticides in Yanqing County Suburb of Beijing
    Wu Qingjun;Xu Baoyun;Zhu Guoren;Zhang Youjun
    . 2005, 1(7): 25-26.
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  • Controlling Tests of Pesticides to Bemisia tabaci B-biotype
    Lin Lingwei;Wang Yongcai;Ge Changyi;Guan Meiping
    . 2005, 1(7): 27-28.
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  • Studies on Co-existence of Turtle and Water Bamboo to Control Apple Snail
    Weng Liqing;Fu Changhuan;Zheng Chunlong;Liu Baofa
    . 2005, 1(7): 28-29.
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    • 品种选育
  • A New Spring Chinese Cabbage F_1 Hybrid —‘Qinmeng Chunwang No.13’
    Yang Xijian;Wang Desen;Sun Daohua;et al.
    . 2005, 1(7): 30-31.
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    Qinmeng Chunwang No.13 is a new spring Chinese cabbage F_1 hybrid developed by crossing self-incompatible lines of 87-6-9 and 93-7-5,which are selected by Rikaze and Qinbai No. 2. It needs 60 days from sowing to harvest. It shows late bolting and high resistance to downy mildew, TuMV and soft rot. The head is overlapping and average weight of single head is 1.5 kg. It has good quality and yields 54 t·hm~(-2).
  • A New Chinese Cabbage F_1 Hybrid —‘Habai No. 3’
    Men Wanjie;Chen Qingqi;Li Xianming;et al.
    . 2005, 1(7): 32-32.
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    Habai No.3 is a new Chinese cabbage F_1 hybrid developed by crossing two self-incompatible lines F300 and H_1. It can be harvested in 75-80 days after sowing. It is resistant to TuMV and downy mildew. Its yield is 79.5-90.0 t·hm~(-2). It is suitable to be cultivated in Heilongjiang province.
  • A New Salt-tolerant Asparagus F_1 Hybrid —‘Yansun No.1’
    Zhang Libin;Wang Zhihua;Xu Hualing
    . 2005, 1(7): 33-35.
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    Yansun No.1 is development by crossing female parent 96-4-6 with male parent 96-2-4, which are selected and acclimated from asparagus resources introduced from the USA. It has high salt-tolerance, giving a yield of fresh sprouts over 6.0 t·hm~(-2) in its 3rd year and over 7.5 t·hm~(-2) in its 4th year, in a field with soil salt content of (0.2 %)-0.8 %. It grows vigorously with a well-developed root system. The young sprouts are straight with even thickness and compact-round tips. It is also resistant to st...
  • A New Purple Hot Pepper F_1 Hybrid — ‘Ziyun’
    Zhang Qi’an;Fang Ling;Dong Yanxiang;et al.
    . 2005, 1(7): 36-37.
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    Ziyun is early-matured pungent hot pepper F_1 hybrid. The female parent LA-15 is an inbred line, and the male parent 9728 is a good inbred line selected from a variety of purple sweet pepper. It is resistant to anthracnose and tolerant to blight, virus and bacterial spot. It can be harvested for purple fruits in 30 days and red fruits in 60 days after transplanted. It yields 37.5-45.0 t·hm~(-2). The fruit is lantern shaped with purple skin and deep red skin when matured and is suitable for fresh market.
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