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20 November 2002, Volume 1 Issue 6
    

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    试验研究
  • Effect of Deficit Irrigation on Yield and Quality of Cherry Tomato
    Liu Mingchi;Chen Diankui
    . 2002, 1(6): 4-6.
    Abstract ( ) Download PDF ( )   Knowledge map   Save
    The effects of deficit irrigation on yield,fruit quality of cherry tomato were carried out by controlling irrigation intervals. Results showed that fruit weight and yield gradually decreased with the increasing of irrigation intervals but the effect of deficit irrigation on fruit number was little. The deficit irrigation increased soluble solid content,titratable acidity,soluble solid acid ratio and the content of VC. The deficit irrigation also increased water productivity.
  • Comparison of the Effects of Two Complex Fertilizers on Leafy Vegetables
    Zhang Hongyan;Li Junliang;Zhang Xiaosheng;et al.
    . 2002, 1(6): 6-8.
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    The effects of 21 8 11S complex fertilizer (CF) on yield,qualities and benefit of two leafy vegetables (celery and Chinese cabbage) were studied in Laiyang and Shouguang in Shandong province. The results were compared with 15 15 15S fertilizer. It was concluded that the CF of 21 8 11S was better than 15 15 15S,which was commonly used in China today, on yield, qualities and benefit of two selected vegetables. The application rate of 21 8 11S CF on Chinese cabbage and celery for maximum yield...
  • Cloning of a cDNA Fragment of Acid Invertase Gene from Tomato Fruit
    Yu Xiyan;Zhao Shuangyi;He Qiwei;et al.
    . 2002, 1(6): 9-11.
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    PCR primers were designed based on the consensus domain of some acid invertase genes in GenBank. A cDNA fragment was amplified from the total RNA isolated from toamto fruit via RT PCR and cloned into pMD18 T vector. The determined sequence showed that the amino acid sequence is 99% homologous to that of the corresponding region of acid invertase gene (Access No. M81081) in GenBank. This confirmed that we cloned a cDNA fragment from tomato fruit successfully and its access number is confirmed as AF490530 i...
  • Study on the Heredity of Fruit Colour of Momordica charantia
    Hu Kailin;Fu Qunmei;Wang Guoping;et al.
    . 2002, 1(6): 11-12.
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    The heredity of fruit colour of bitter gourd was studied by using four inbred line and its F 1,F 2,BC 1,BC 2 of two cross of ZH961123×G968031 and S961598×G961211,G968031 and S961598 were two green fruit inbred line,ZH961123 and G961211 inbred lines were white. The result showed that the fruit colour of bitter goured was controlled by one pair of nuclcar gene,green was dominant to white.
  • Diversity of Petiole and Bud Color and Observation of Taro (Colocasia esculenta Schott.) Shape of Taro Germplasm Resources with Numerous Corm
    Huang Xinfang;Ke Weidong;Ye Yuanying;et al.
    . 2002, 1(6): 13-15.
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    This article introduced the biological diversity of petiole and bud color of taro germplasm resources with numerous corms and summarized a corresponding relationship between the petiole color and the bud color and the general law of the taro shape. Bud color is white when the petiole is green or purple.Bud color is light red when the petiole is purple green.The shape of the first grade corm of the purple petiole with little hair is elliptical,better than that of the green and that of the purple green g...
  • The Effect of Nitrogen Forms on Chinese Cabbage Yield and Nitrate Accumulation
    Li Jianshe;Gao Yanming;Sun Quan
    . 2002, 1(6): 15-17.
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    Field experiment was conducted for studying the effect of nitrogen forms on the yield of Chinese cabbage and the accumulation of nitrate. The results showed that urea application could obtain higher yield than ammonia bicarbonate application, and compared with common urea, big granulated urea was more effective, obtaining higher yield and net yield. The amount of nitrate in inner leaves increased with the increasing rate of nitrogen fertilizer application, yet the content of nitrate kept at a certain amount...
  • Effects of Mixed Culture Media on the Growth and Yield of Lettuce
    Fan Shuangxi;Ito Tadashi
    . 2002, 1(6): 18-20.
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    The mixed midia of peat and bark were applied to cultivate lettuce. Results indicated that increase of bark proportion could promote lettuce growth and development. The optimal ratio between bark and peat was 7∶3,in which the maximum of leaf fresh/dry weight per area,chlorophyll content,root number and weight,yield, and edible part ratio were obtained. Growth and development was retarded either when bark proportion was higher or lower than 70%. The higher of bark proportion,the less of water consumed by...
  • The Analysis of Ecological Climate Adaptability of Day lily in East of Gansu Province
    Pu Jinyong;Yao Xiaoying;Wang Weitai;et al.
    . 2002, 1(6): 20-22.
    Abstract ( ) Download PDF ( )   Knowledge map   Save
    Based on the results of experiment of cultivating day lily during 1986-1989 at Xifeng Agrometerological Experimant Station,by analysing the climatic adaptive capacity of day lily,by discussing the reationship between the condition of water supply and the duration of harvesting flower buds and analysing the effect of climatic factors on the daily yields of day lily. The principal ecological climate index is set up. The east of Gansu is divided into a few suitable cultivating regions of day lily a...
    • 品种选育
  • A New Cucumber F_1 Hybrid-‘Zhongnong No.9
    Gu Xingfang;Fang Xiujuan;Zhang Tianming
    . 2002, 1(6): 23-25.
    Abstract ( ) Download PDF ( )   Knowledge map   Save
    Zhongnong No.9 is a new cucumber F 1 hybrid with a few spines, short fruits and high yield. Its plant grows vigorously, and it yields 112.5～225 tons per hm 2. It is tolerant to chilling, low light and downy mildew. It is resistant to scab, fusarium wilt and bacterial angular leaf spot. It is suitable for greenhouse cultivation in winter, plastic shed in spring and fall. It can get the best effect by grafting in greenhouse in winter. Average fruit is about 15～20cm length and 100g weight.
  • A New Cucumber F_1 Hybrid-‘99-15
    Liu Guijun;Zhang Shengping;Wang Jindong;et al.
    . 2002, 1(6): 25-26.
    Abstract ( ) Download PDF ( )   Knowledge map   Save
    cucumber is a new F 1 hybrid developed by crossing line 88 26 with 88 05. Its plant grows vigorously with high resistance to downy mildew and powdery mildew and with tolernace to Fusarium wilt and virus. It yields 75t·hm 2 in spring. Average fruit is about 35cm in length. Fruits are dark green,sweet and crispy with high marketable percentage. It is suitable for spring open cultivation in north China.
  • A New Bitter Gourd F_1 Hybrid-‘Darou No.3
    Fang Fengxue;Huang Rukui;Zhang Man;et al.
    . 2002, 1(6): 27-28.
    Abstract ( ) Download PDF ( )   Knowledge map   Save
    Darou No.3 is a new bitter gourd F 1 hybrid with large straight cylindrical fruit and glossy light green skin. The average fruit weight is about 650g with 27cm in length and 9cm in diameter. Fruit has a light bitter taste,good flavor,and a long shelf life. It is early - middle ripenning variety with average yield of 45t·hm -2 .
  • A New Eggplant F_1 Hybrid-‘Mengqie No.4
    Pan Chunxiang;Lu Lifeng;Pang Zhuo;et al.
    . 2002, 1(6): 29-30.
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    Mengqie No.4 is a new eggplant F 1 hybrid developed by cross 86D01 1 1 1 (♀) with 79B01 2 2 2 (♂). The first blossom happens in 7-8th knot of plant. The fruit is nearly globosity,deep pruple in color,shiny,and tight flesh,and suitable for storage. Average fruit weight is about 400-500g. The production is 67.5t·hm -2 . It is strong against the disease of yellow and shrink leaf. It is suitable for planting in open field.
  • A New Hot Pepper F_1 Hybrid ‘Xiangla-No.4
    Zhou Qunchu;Zou Xuexiao;Dai Xiongze;et al.
    . 2002, 1(6): 30-31.
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    Xiangla No.4 is middle pungent F 1 hybrid. The female parent 9704A is a male sterility line bred from a sterile plant found in Niujiaojiao No.21, and the male parent 9701 is a good inbred line selected from a local variety in Sichuan. It is suitable for chilli loved production areas with good disease resistance and tolerance to hot weather,but not tolerant to drought and can be harvested for redfruits in 65 days after transplanting. It s yield is 30～45t·hm -2 . The fruit is ox horn shaped with green ...
  • A New Eggplant Hybrid F_1-‘Yinqie No.1
    Mao Weihai;Bao Chonglai;Sun Lixia;et al.
    . 2002, 1(6): 32-33.
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    Yinqie No.1 is a new F 1 hybrid of eggplant. It grows vigorously. The fruit is long type with purple skin and tender flesh. Average fruit weight is 60-70g. The yield is 45-60t·hm -2 . It is suitable for open field cultivation and protected cultivation.
  • A New Spinach F_1 Hybrid - ‘Qiulu
    Li Min;Liu Ren;Gai Yuju
    . 2002, 1(6): 34-35.
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    Qiulu is a new spinach F 1 hybrid developed by crossing 84142 with 911. It has big round leaf, short petiole and good quality, and,is late bolting as well. The yield is 30-45t·hm -2 , 23.4%-80.3% higher than that of control Quanneng . It is suitable for cultivation in spring, autumn and over winter in Shandong provice.
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