20 January 2004, Volume 1 Issue 1

    

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研究论文
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  Study on the Chilling Tolerance of Rootstocks and Grafting Seedlings of Eggplant

  Nie Lanchun;Chen Guilin;Gao Hongbo

  . 2004, 1(1): 4-6.

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  The chilling tolerance of five wild eggplant and six cultivars were tested, three wild eggplants with much higher chilling tolerance were selected and used as rootstocks of eggplant. The results indicated that the grafted seedlings had much higher chilling tolerance than the non-grafted one. Protective enzymes activities such as SOD,POD and CAT in grafted seedlings increased rapidly than those in non-grafted one under low temperature stress.
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  The Growth Dynamic and Curd Constitution of Cauliflower

  Guan Peicong;Liu Houcheng;Chen Riyuan.et al.

  . 2004, 1(1): 6-9.

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  The fresh and dry weight of plant, root, stem, leaf and curd, leaf area, net assimilating rate ( NAR) during cauliflower growth and development increased gradually, the increase extent and NAR were highest at curd formation stage. The 5 leaves developed at seedling stage played main role in seedling development, 7th to 22nd leaves developed at leaves development stage played important role in leaf fascicle and curd development. Dry matter allocated to curd were less than 30 % . Whether big curd or small one...
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  The Application of Cytoplasmic Male Sterility on Leaf Mustard

  Nikornpun;M;N.Senapa;

  . 2004, 1(1): 10-11.

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  Cytoplasmic male sterility line of leaf mustard ( Brassica juncea L. ) , which received from Wisconsin University, U. S. A. , was crossed with eight good varieties of leaf mustard which were selected by Chiang Mai University. Then F1 crosses were backcrossed with the male parents for four generations ( BC4 ). These BC4 lines were crossed with good variety of leaf mustard 40R2-3-4. The eight F1 were tested in comparison with commercial varieties in winter 1998. Most F| hybridized combinations did not form he...
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  Changes of Acetaldehyde.Propionaldehyde and Trans-caryophyllene Contents on Cucumber Fruit during Fruits Development and Storage

  Liu Chunxiang;He Qiwei;Yu Zhandong

  . 2004, 1(1): 12-14.

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  The changes of acetaldehyde and propionaldehyde in cucumber fruits were analysised by solid-phase mircroextraction (SPME)gas choromatography during fruit development and storage at 20 ℃ . The results showed that trans-caryophyllene disappeared after fresh cucumber were stored 3 days, the contents of trans-caryophyllene had no regular changes during fruit development, the content of acetaldehyde and propionaldehyde decreased gradually with fruit development and storage at 20℃ ,the content changes of propiona...
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  The Control Effectiveness of Kebao against the Thrips on Chieh-qua and the Safety Evaluation to Natural Enemies

  Huang Bingqiu;Huang Huazhi;Feng Xia;et al.

  . 2004, 1(1): 15-18.

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  Kebao is a newly developed insecticide mixture composed of imidacloprid and abamectin. Results of field trials showed that both microemulsion and emulsifiable concentration formulations of Kebao had pronounced effectiveness against the yellow thorax thrips Thrips hawaiiensis(over 96 % ) and T, flavus( above 90 % ) at concentrations of 800- and 1 000-fold dilutions, respectively. Bioassays to two natural enemies revealed that it had high safety to Lycosa pseudoannulata and the adult of Harmonia axyridis at r...
品种选育
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  A New Cabbage F1 Hybrid - Xiyuan No. 8

  Li Chengqiong;Song Ming;Lei Jianjun;et al.

  . 2004, 1(1): 18-19.

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  Xiyuan No. 8 is a new cabbage F1 hybrid developed by crossing self-incompatible line 9617 with self-incompatible line 9670. The two parent lines were all selected from the progenies of abroad cabbage varieties. The plant is early mature and is tolerant to heat. It is vigorous under 32 CC temperature and is resistant to virus and black rot, and is tolerant to club root. The average yield is 45 t· hm-2. It is suitable to be cultivated in the south of China.
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  A New Cabbage F1 Hybrid - Qingan 70

  Xu Zhongmin;Zhang Enhui;Cheng Yong an;et al.

  . 2004, 1(1): 20-21.

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  Qingan 70 is a new cabbage F1 hybrid developed by crossing self-incompatibility (SI) line HS2103-6-9 with SI line FT6328-1-5. Both lines are with high resistance to diseases, good qualities and high combining ability. It takes 70 days from transplanting to harvesting . It is resistant to virus, and is suitable to be cnltivated in summer and autumn. Its compactness is 0.57 g·cm-3, leaf is crisp and sweet. Average head weight is about 1. 85 kg, the marketable yield is about 64. 32 t · hm-2,15. 1 % higher than...
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  A New Cabbage F1 Hybrid- Chunfen 007

  Ding Wanxia;Li Jianbin;Xu Helin

  . 2004, 1(1): 21-22.

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  Chunfen 007 is a new cabbage F1 hybrid developed by crossing two self-incompatible line 9407 and 9405 from abroad materials. It is a very early maturity cabbage for spring harvesting, with resistance to low temperature and immature bolting. Average head weight is 1. 2 kg. It yields 45 t · hm-2.
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  A New Muskmelon F1 Hybrid - Xiulu

  Chen Youyuan.Chen Feixiang

  . 2004, 1(1): 23-24.

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  Xiulu is a new muskmelon F1 hybrid. Its paternal plants were inbred line 96-997 and 96-996, which is selected from the progenies of two Japanese muskmelon F1 hybrids. Its fruit is round with white smooth rind and its flesh is light green, 3. 5cm in thickness. The average fruit weight is about 1. 5 kg and soluble solid content is about 15 %. The yield of Xiulu is about 28. 35 t · hm-2 , which is higher than the control variety. Xiulu is tolerant to lower temperature and humid climate and weak light. It is su...
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  A New Super Sweet Corn F1 Hybrid - Zhengtian 613

  Zheng Jinrong;Lu Wenjia;Li Yujun;et al.

  . 2004, 1(1): 25-26.

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  Zheng Tian 613 is a new super sweet corn F1 hybrid bred by crossing YKZ 096 with Z013. The female parent, YKZ096, is a inbred line developed from the collected materials of high-quality sweet corns, and the male parent, Z013, which is resistant to disease and lodging, was selected from the generation of the hybrid from a common corn and a inbred line of super sweet corn. It has middle-early maturity, good plant shape, high quality, good marketability, resistance to northern leaf blight of corn and southern ...
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  A New Flowering Chinese Cabbage - Lubao 60 tian

  Zhang Hua;Zheng Yansong;Huang Hongdi;et al.

  . 2004, 1(1): 27-28.

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  Lubao 60 tian is a new mid-maturity variety of flowering Chinese cabbage. It grows vigorously, the flower stalk is 22 -26 cm high,1. 5 - 1.8 cm in diameter and 35 - 40 g in average weight with dark green and high quality. It can be harvested in 35 -40 days after sowing. The total yield is 12-18 t· hm-2. It is suitable for cultivation in South China.
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  A New Hot Pepper F1 Hybrid - Yujiao 968

  Zhan Yusi.Chen Xiao;Chang Gaozheng;et al.

  . 2004, 1(1): 29-30.

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  Yujiao 968 (X-L-11-1×Y-3-8-4) is a hot pepper F, hybrid with late-maturity, vigorous growth, and virus diseases resistance. The fruit is deep green,horn shaped, 45 -70 g in weight, 16-22 cm in length, 3. 0 -3. 3 cm in width. The flesh thickness is 0.3 cm. The average yield is 60.0 t · hm -2. It is suitable for cultivation in the area of Yellow River in autumn.
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  A New Kidney Bean - Longyoudou No. 1

  Zhan Yun;Lu Guiju

  . 2004, 1(1): 30-31.

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  Longyoudou No. 1 is bred by system selection from Heihua Youdou which was introduced from suburb of Harbin in 1990. It can be harvested in 60 -65 days after sowing. Its tender pod is green with lustre. The pod is flat, endures ageing, and is 12 - 15 cm in length, 20 cm width, 1.0 cm thick. The pod wall has no fibre with good taste. Vitamin C and protein content is much higher than the control variety. It is high resistant to virus and anthracnose. The yield is 25.83 t · hm-2 in the open field and 33.57 t · ...