18 December 2007, Volume 1 Issue 12

    

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研究论文
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  Effect of Fertilization on Cucumber Rhizospheric Microbial Communities in Greenhouse

  Wen Jingzhi;Li Gang;Zhang Qifeng;et al.

  . 2007, 1(12): 11-14.

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  Different fertilization modes were taken for the study of impacts on cucumber rhizospheric microbial communities.After the treatment of soil samples,effects on fungi,bacteria and actinomyces were determined by dilute cultural method,nitrosbacteria and nitrifying bacteria,denitrifying bacteria were determined by most probable number(MPN)method,DNA sequence diversity of bacteria were determined by PCR-DGGE molecular marker technology.The results showed that rhizospheric fungi and actinomyces were mostly impro...
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  Invertigation on Variation Regulation and Correlation of Pumpkin(Cucurbita moschata)Quality Traits

  Zhe Panpan;Xiang Changping

  . 2007, 1(12): 15-18.

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  The average coefficient of variation of quality traits in pumpkin with 70 germplasms was 31.70 %.They ranged from 1.52 % in water content of green fruit to 60.07 % in VC content of green fruit.In both green and ripe fruits,the correlation coefficients among VC,soluble solids,soluble protein,and soluble sugar content were at the significant or very significant level,while the correlation coefficients between the water content and the others were at the negative level.In general,soluble solids,soluble protein...
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  Flow Cytometric Analysis of Ploidy Level of Regenerated Plants Obtained by Anther Culture in Radish(Raphanus sativus L.)and Field Obtained

  Xiong Qiufang;Zhang Xueqing;Rong Kaifeng

  . 2007, 1(12): 19-21.

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  Flow cytometic(FCM)analysis of ploidy level was made with twenty radish regenerated plants obtained by anther culture.Numbers of haploid,diploid,tetra-ploid and chimera were learned from the DNA content of the regenerated plants tested.In the analysis,haploids,diploids,tetra-ploids and chimeras covered 20 %,30 %,25 % and 25 % respectively.The ploidy levels of regenerated plants were identical to that of the plants grown in the field.
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  Comparison on Two Methods for Evaluating Chinese Csbbage Resistance to Diamondback Moth in vitro and under Net Conditions

  Wang Xin;Li Xixiang;Xu Baoyun;Zhang Youjun

  . 2007, 1(12): 22-24.

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  Eight Chinese cabbage inbred lines were selected to evaluate their resistance to diamondback moth(DBM)by using two methods:in vitro and under net conditions.The results showed that the resistance to DBM differed very significantly among the 8 lines,and there were no obvious difference between the two methods.Line 599-3-7 exhibited the highest resistance,519-3-3 showed middle resistance,114-4-4 and 116-4-4 were the most susceptible lines.The correlation coefficient of the two methods was 0.96.Combinating the...
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  Investigation of Pb Content Exceeded in Chinese Mallow

  Liu Kang;Zhu Jianzhong;Li Shiqing;Chen Guangliang;Rao Fang;Zheng Xiangjing;Liu Yong

  . 2007, 1(12): 25-27.

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  The Pb content of Chinese mallow have the problem of non-standardization to GB 2762—2005 in the test.The report introduced the phenomenon of Pb content exceeded in Chinese mallow in terms of the distance between the sampling sites and the road,pretreatment methods and other kinds of vegetable.The result indicated that Pb content exceeded in Chinese mallow was caused by the unique surface structure of the plant,it could be solved by washing before consumption.
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  Effects of Apical Buds and Lateral Buds of Tomato on Grafting Seedlings

  Ding Guanghong;Chen Hui;Liang Chaohui;Xie Yanqing;Wang Yu

  . 2007, 1(12): 28-28.

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品种选育
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  A New Cabbage F1 Hybrid—‘Qiugan No.1’

  Jian Yuancai;Ding Yunhua;Qu Guangqi

  . 2007, 1(12): 29-31.

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  Qiugan No.1 is a new cabbage F1 hybrid developed by crossing CMS line CMS021 with inbred line 97025-B3.It is mid-maturity,about 74 days from planting to harvest.The head is green,tolerant to head dehiscence,14.6 cm in height,23.6 cm in diameter.Newel is 6.2 cm in height.Average head weight is about 2.2 kg.It has resistance to TuMV,tolerance to black rot.It yields 69 t·hm-2,suitable for cultivation in autumn.
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  A New Bitter Gourd F1 Hydrid—‘Luling’

  Luo Shigen;Ding Xiaoqing;Yang Fanggen

  . 2007, 1(12): 31-32.

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  Luling is a new bitter gourd F1 hybrid developed by crossing self-lines 97-2 and 96-3.It is mid-maturity.The growth period is 50 days.The plant grows vigorously.It has high rate of fruit-setting.The fruit is cyeindrical,green in colour with straight wart,25-35 cm in length,8-9 cm in diameter,1.1-1.3 cm in flesh thickness.Average fruit weight is 450-500 g.It yields 37.5 t·hm-2.It has stronger resistance to virus,downy mildew and Fusarium wilt than Shadikugua.It is suitable for cultivation in South China in s...
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  A New Cucumber F1 Hybrid—‘Jingyou No.35’

  Zhang Wenzhu;Li Jiawang;Wang Jiang

  . 2007, 1(12): 33-35.

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  Jinyou No.35 is a new cucumber F1 hybrid developed by crossing inbred lines X8-20-2 and G35-1-5.It has early maturity,resistance to Fusarium wilt,middle resistance to downy mildew and powdery mildew.It is tolerant to cold and weak light.Average fruit is 32-34 cm in length and about 200 g in weight.Its yield is above 150 t·hm-2.It is suitable for cultivation in solar-greenhouse in winter and early spring.
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  A New Hot Pepper F1 Hydrid—‘Qizajianjiao No.1’

  Wo Jinrong;Xu Limin;Liu Jixiu;Wang Wenhua;Tan Yi

  . 2007, 1(12): 35-36.

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  Qizajianjiao No.1 is developed by crossing two inbred lines 98-4-48 and 98-5-33.The plant grows vigorously with 70 cm in height and 55 cm in crown.The fruit is ox-horn shaped,25-28 cm in length,4.4 cm in diameter and 0.26 cm in flesh thickness.The contents of VC and soluble solids are 1.15 g·kg-1 and 4.97 % respectively.It yields 60 t·hm-2.It is suitable for cultivation in Heilongjiang province.
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  A New Eggplant F1 Hybrid—‘Baiyu’

  Li Zhiliang;LI Zhenxing;Sun Baojuan

  . 2007, 1(12): 37-38.

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  Baiyu is a new eggplant F1 hybrid developed by crossing two inbred lines Longqie-YC-212 and 5811.It takes 105 days in spring and 86 days in autumn from sowing to the first harvest.It grows vigorously.The fruit is clavate shape,white skin,26 cm in length and 4.2 cm in diameter.The average fruit weight is 192 g.The flesh is white,tender and has good quality.It has middle resistance to bacterial wilt.It yields 37.5 t·hm-2 per cropping.It is suitable for cultivation in open field in spring and autumn.
专题综述
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  Parastical Wasps of Leaf Miners on Vegetable Crops and Their Protection and Potential Application

  Bai Yichuan;Gu Xishu;Li Baiming;Hu Xuefeng;Hao Yongjuan

  . 2007, 1(12): 39-41.

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