20 November 1996, Volume 1 Issue 6

    

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品种选育
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  New Eggplant F_1 Hybrid‘ Jiqie No. 2

  Pan Xiuqing;Wang Hongchang;Liu Junshan;et al.

  . 1996, 1(6): 1-0.

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  Jiqie No. 2 is a new hybrid of eggplant selected by crossing E-901 with E-902. The F1 hybrid has good quality, early maturity and high productivity. It produces round and black purple fruits and grows vigorously. Average weight per fruit was 592.9g. The yield per 667m￣2 was 4200～5000kg. It is suitable for open field in spring and protected field and can be grown in many places prefering round fruits type.
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  Breeding of New Early Bitter Gourd F_1 Hybrid Xiang Kugua No. 1

  Xue Dayu;Huang Yanwu

  . 1996, 1(6): 2-0.

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  Xiang Kugua No. 1 is a F1 of crossing 8901-1-4 and 003-2-3. This F1 hybrid has early maturity, high productivity and good quality. Under protection or in the open field in spring, it can be harvested 45 days after transplanting. In summer and fall, it can be harvested 42days after transplanting. The yield was 45t / ha in the open field in spring and 97.5t / ha from spring to fall. Its early yield, total yield and quality were higher than those of Zhuzhou changbai bitter gourd. The new F1 hybird has been ext...
新优品种
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  A New Elongate Chilli Cultivar for Drying─Xinjiao No. 4

  Li Shuxian;Wu Jianping;Song Wensheng;et al.

  . 1996, 1(6): 3-0.

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  Xinjiao No. 4 was a variety selected from the progeny of the cross of inbred line Chaotian 73-8 and Qicunhong . Its fruits are elongate (14～16cm in length and 1.2cm in width), wrinkled, very pungent, easy to dry. Average weight per fruit is 3～5g. Dry matter of red matured fruits was 30%～40%. It showed some resistance to viral diseases and Phytophthora Blight, both better than the control cultivar─Shixian No. 2.
研究论文
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  Effects of Shading-net Covering on Yield and Quality of Summer Pak-choi

  Gao Lihong;Ling Lijuan;Liu Jinglin;et al.

  . 1996, 1(6): 5-0.

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  Effects of different types of shading-nets under different culture systems on yield and quality of pak-choi were investigated in summers of 1992 and 1993. Results indicated that: in clear and hot summer of 1992, all covering treatments increased yield significantly, but in cool and raining summer of 1993, only grey-net covering, with 42%～45% shading on greenhouse,improved yield slightly. In two types of summer wheather, the seedling emergence rate was raised remarkably under shading net covering. Compared w...
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  Response of Plant Grwoth and Fruit Set in Watermelon Pruning

  Jiang Youtiao;Zhang Mingfang;Xiao Jiliang;et al.

  . 1996, 1(6): 6-0.

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  The results showed that watermelon pruning might play an important role in control of plant growth, promoting fruit set and increasing single fruit weight whereas, decrease of femal flowers and fruit number was also observed by improper pruning. It was proposed that debranching forms and plant density should be different with purpose of cultivation. First, planting density should be increased and vine number be diminished to enhance fruit set, increase early yield in forcing culture. Second, in open field c...
专题综述
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  对早熟大白菜几个主要性状的综合评价

  Xu Shiqin;Yan Rulai

  . 1996, 1(6): 7-0.

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  early-ripening heading Chinese Cabbage cultivars were evaluated for 4 main characters, early mature, heat-resistance, high yield, nutrient quality. The cultivars performed well in Wuhan were selected.
研究论文
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  The Evaluation and Utilization of Resistant Materials in Broccoli

  Liu Yumei;Sun Peitian;Fang Zhiyuan;et al.

  . 1996, 1(6): 8-0.

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  More than 80 accessions of broccoli were screened for the multiple resistance by seedling inoculation and field test. Two matrials were selected, one material resistant to both TuMV and black rot and the other resistant to TuMV and enduring black rot. By crossing these two materials with other inbred lines two promising combinations with resistance to both TuMV and black rot were obtained.
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  Studies on Leaf Blight of Watermelon Survival and Infectivity of the Dormant Pathogen in the Crop Residues

  Chen Xi;Lou Binggan;Zheng Xiaojun;et al.

  . 1996, 1(6): 9-0.

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  The pathogen of watermelon leaf blight (Alternaria cucumerina Ell. et Ev.)overwintering in the crop residues laying on ground or among weeds near watermelon field or on the kraft box in the room would have capacity causing the disease in the coming year. The residues with the pathogen that were put into water and soil in rice field as deep as 5～10cm would lose their infection ability in 3 months, and those into dried soil 5～10cm deep gradually in 3～6 months,but those laying on ground or among weeds near wat...