18 August 2008, Volume 1 Issue 8

    

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专论与综述
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  Look on‘Milk Melon’with Calmness

  Wang Ming;Zhang Xian;Xu Yong

  . 2008, 1(8): 1-3.

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  Present Status and Countermeasures for Vegetable Industny in Chongqing City

  Zhang Hongsong;Zhou Hong;Tian Shibing

  . 2008, 1(8): 4-6.

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试验研究
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  Effects of Molybdenum on Leaf Color，Nutritional Quality and Nitrate Contents of Chinese Cabbage

  Nie Zhaojun;Hu Chengxiao;Sun Xuecheng;et al.

  . 2008, 1(8): 7-10.

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  A pot trial was conducted to investigate effects of molybdenum（Mo）on leaf color，nutritional quality and nitrate contents in Chinese cabbage.The results showed that Mo application could promote the growth of Chinese cabbage，increase its yield，raise the contents of chlorophyll，and could change the leaf color to dark green.Mo application remarkably increased the contents of Mo，ascorbate，soluble sugar and soluble protein in Chinese cabbage.Mo application also raised the contents of both essential and non-essential amino acids needed by human body in Chinese cabbage，thus improved its nutritional quality.Mo application could significantlly reduce the nitrate contents in Chinese cabbage，and also，it would improve the edible safety of Chinese cabbage in certain level.In this trial，Mo level of 0.300 mg·kg^-1 had the best effect.
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  Effects of Chill Resistance Agent on Cold Resistance of Cucumber Seedlings under Low Temperature Stress

  Cui Yan;Wang Liping;Huo Chunling;et al.

  . 2008, 1(8): 15-18.

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  The reaction of cucumber seedlings to low temperature stress was studied when it was treated by 2.0×10-3 g•mL-1 chill resistance agent under the temperature day/night（6±0.2）℃.The results showed that chill resistance agent could delay the decrease of chlorophyll content，and also maintain activities of anti-oxidative enzymes，such as SOD and CAT，in higher level，under the stress.The agent could weaken the accumulation of MDA，maintain the integrity of cell membrane.At the same time，the osmotic substance（soluble sugar and praline）contents in cucumber seedlings leaves were significant higher than the control group and the chilling tolerance of cucumber seedlings was increased.
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  Cluster Analysis of Resistance to Bradysia odoriphage for Chinese Chive Varieties

  Pan Min;Yang Jianping;Lu Mei;et al.

  . 2008, 1(8): 21-23.

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  Three indexes as field population density，number of injured/all and injury index of leaf，were used to evaluate resistance of Bradysia odoriphage of Chinese chive.Systematic clustering analysis was carried on of the resistance to Bradysia odoriphage for 20 Chinese chive varieties.The result showed that there were differences among resistances to Bradysia odoriphage of different varieties.Varieties of‘Yujiu No.1’and‘9-2’had the strongest resistance，while‘Xuejiuwang’，‘Zhuganqingjiucai’，‘91-2’and‘Kuanjiuwang’had the highest susceptibility to Bradysia odoriphage with poor insect resistance，and resistance of the rest varieties were between the two above.Correlation analysis on the three resistances indicated that there were significant correlations within different indexes.
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  New Fresh Keeping Storage Method for Luoping Small Yellow Ginger

  Shen Enqing;Du Huixiang;Zhang Wankun;et al.

  . 2008, 1(8): 24-26.

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  Efficiency comparing of ginger storage methods was carried on between micro energy-saving refrigerator and self-designed cold box.Results showed that the ginger damaging rate of cold box storage method（1.73 %）is 0.08 percentage points lower than that of micro type refrigerator（1.81 %）.The cost is 34.57 Yuan per 1 000 kg fresh ginger by cold box storage method，and which is 166.78 Yuan per 1 000 kg fresh ginger by micro type refrigerator.The former can save 132.23 Yuan than the latter.Which means that cold box storage method is a practical method with high efficiency and low cost.
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  Effect of Plant Leaf Surface Fertilizer “399” on Photosynthetic Characteristics and Yield of Chinese Cabbage

  Zhao Daqin;He Chaoxing;Tao Lian;et al.

  . 2008, 1(8): 27-28.

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  Effect of Four Kinds of Vegetables Extracts on Eating Habit and Development of Plutella xylostella

  Xu Shicai

  . 2008, 1(8): 29-30.

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品种选育
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  A New Sauce Used Capsicum F₁ Hybrid —‘Rela No.2’

  Cao Zhenmu;Liu Weixia;Dang Xuanmin;et al.

  . 2008, 1(8): 31-32.

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  The female parent 05YB17 is a good inbred line selected from CCJ01-5，an introduced germplasm from abroad，after multi-generations of intercrossing and backcrossing.The male parent is a good inbred line selected from CCJ98-4，an introduced variety from abroad，after multi-generations of intercrossed and backcrossing with local variety of Capsicum chinense Jacquin in Hainan.This hybrid takes about 80 days from sowing to blossoming and about 142 days from sowing to harvesting.It has strong growth vigor.The plant height is 55-60 cm，the highest can be 130 cm.The max plant diameter is 90 cm.The follower numbers range from 3 to 10 more inserted in each node of the branch.Immature fruit shows green or green-white and the mature fruit is yellow or dark yellow.The fruit is about 5.6 cm in length，3.9 cm in width.The single fruit weight is 14.6 g.Normally there are 1-3 fruits in each node of the branch，and sometimes 4-6 fruits in each node.Generally it can yield 130 fruits in a single plant and its yield is about 45 t·hm^-2.It is resistant to CMV.The total content of capsaicinoids in fresh fruit is 11.30 mg·g^-1，and the pungent degree of fresh fruit is 174 212 SHU.
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  A New Tomato F₁ Hybrid —‘Dongnong 712’

  Xu Xiangyang;Kang Ligong;Wang Aoxue;et al.

  . 2008, 1(8): 34-35.

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  ‘Dongnong 712’is a new midlater maturing tomato F₁ hybrid，developed by crossing 01HN37 as male parent with 01HN43 as female parent.It takes 117 days from sowing to harvesting.It has high resistance to ToMV，leaf mold，Fusarium wilt and Verticillium wilt.The fruit is global.Its average fruit weight is 240-300 g.The average firmness of fruit is 0.49 kg·cm^-2.It has good commodity character for storage and transportation.The average yield is 97.5-127.5 t·hm^-2.It is suitable for uncovered field cultivation and protected cultivation.
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  A New Greenhouse Cucumber F₁ Hybrid —‘Jinyou No.38’

  Li Shuju;Huo Zhenrong;Wang Huizhe;et al.

  . 2008, 1(8): 36-38.

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  ‘Jinyou No.38’is a new cucumber F₁ hybrid of excellent inbred lines released by crossing B180-2 as female parent and XL6-3 as male parent.The fruit is crisp and sweet with white spine and straight bar.The first female flower appears in the 5th-7th node.The female node rate is about 40 %.The fruit is 32-35 cm in length with about 180 g of average single fruit weight.Its total yield is 150.0 t·hm^-2 in solar greenhouse cultivation in winter.It is high resistant to target leaf spot and anthracnose，resistant to Fusarium wilt，and middle resistant to downy mildew and powdery mildew.It is suitable for cultivation in solar greenhouse over winter and in solar greenhouse in winter and spring in north China，northeast and northwest China.
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  A New Tumorous Stem Mustard F₁ Hybrid —‘Fuza No.2’

  Fan Yonghong;Zhou Guangfan;Lin Heqing;et al.

  . 2008, 1(8): 38-40.

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  ‘Fuza No.2’is a new tumorous stem mustard F₁ hybrid developed by crossing a CMS line 96154-5A as female parent and a self line 920145 as male parent.It has distinctive yield heterosis，good quality and processing characteristics，with tumorous stem of round shape and compact plant type.It can be sown in the last 10 days of August（15 days earlier than normal）and be harvested in the first or middle 10 days of Jan（45 days earlier than normal）.It is suitable for cultivation in Sichuan basin.Its yield is generally 37.5-45.0 t·hm^-2 and could even higher than 52.5 t·hm^-2.
专论与综述
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  Progress in Studies on Garlic Sexual Reproduction

  Liu Bingjiang;Zhang Haiyan;Kong Suping;et al.

  . 2008, 1(8): 41-44.

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