18 February 2006, Volume 1 Issue 2

    

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研究论文
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  The Screening of Cucumber Rootstocks Resistant to Southern Root-knot Nematode

  Gu Xingfang;Zhang Shengping;Zhang Siyuan;et al.

  . 2006, 1(2): 4-8.

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  One hundred and eight kinds of rootstocks used for cucumber grafting were collected from home and abroad and their resistance to southern root-knot nematode (Meloidogyne incognita) were identified.The objective was to screen rootstock varieties that were tolerant or resistant to nematode and explore the possibility of using resistant wild materials as rootstock and compare the differences between self-rooted cucumber plants and bur cucumber (Sicyos angulatus L.),black seed pumpkin and white seed pumpkin gra...
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  Heterosis and Parent-offspring Correlation on Yield and Fruit Characters of Chieh-qua

  He Xiaoming;Peng Qingwu;Xie Dasen;et al.

  . 2006, 1(2): 8-10.

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  The heterosis,parent-offspring correlation between 21 hybrids and their parent lines of chieh-qua (Benincasa hispida Cogn.var.chieh-qua How.) were investigated.The results showed that heterosis of fruit weight and yield was highest,followed by fruit soluble solid content,fruit index,fruit diameter and fruit length,the heterosis of fruit thickness was lowest.Yield of F_1 had significant positive correlationship with that of male parent and mid-parent; fruit length of F_1 had very significant positive correla...
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  Effects of Low Light on Growth and Yield of Tomato

  Zhu Yanshu;Feng Hui;Gao Shaosen

  . 2006, 1(2): 11-13.

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  The growth and yield during different developing periods of 4 stable inheriting tomato strains were investigated under low light environment (50 % light intensity of control).The result showed that under low light environment plant height/stem diameter increased,while dry weight,specific leaf weight,leaf number,fruit rate,average fruit weight and average plant yield decreased.The changing tendencies of plant height/stem diameter,total dry weight and leaf dry weight,specific leaf weight in different developi...
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  Effect of Two Antagonists on Controlling Tomato Postharvest Diseases

  Zhou Fangzhen;Deng Boxun;Zhang Chanjuan

  . 2006, 1(2): 14-16.

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  The antagonist L-1-6,a yeast screened from the surface epiphytes of capsicum fruit was effective in controlling early blight caused by Alternaria solani.While antagonist H-2,another yeast screened from the surface epiphytes of plum fruit was effective in controlling root rot caused by Rhizopus nigricans.Haifen 901,a common tomato cultivar,fruits harvested at the green mature stage were dipped in antagonistic suspension at the concentration of 1.0×10~6 cfu· mL~ -1 for 2 min,then stored for 20 days at room te...
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  Antifeedant and Oviposition Deterrent Effect of Extracts from Xanthium sibiricum and Other Medicinal Plants against Plutella xylostella L.(Lepidoptera:Plutellidae)

  Zhou Qiong;Liu Bingrong;Shu Yinghua;et al.

  . 2006, 1(2): 17-20.

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  Effect of the antifeedant and oviposition deterrent of alcohol extracts from Xanthium sibiricum and other medicinal plants against diamondback moth (DBM,Plutella xylostella) were investigated by using leaf-disc method in laboratory.The extracts from X.sibiricum (fruit),Tripterygium wilfordii (root) and Phytolacca acinosa (root) showed significant antifeedant effect on the 4th instar larvae of DBM,with the choice-antifeedant rate of 86.16 %,49.06 % and 43.82 % ,respectively.Meanwhile,X.sibiricum (fruit) extr...
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  Effects of Root Temperature on Protective Enzymes Activities and Membrance-lipid Peroxidation of Cucumber Seedlings

  Ren Zhiyu;Wang Xiufeng

  . 2006, 1(2): 20-21.

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  The Effect of Rootstocks on the Growth and Development,Yield and Quality of agrafted Watermelon

  Han Zhiping;Guo Shirong;Zhu Guorong;Ouyang Yiyong

  . 2006, 1(2): 22-23.

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  Difference on Capsaicin,Ascorbic Acid and Soluble Sugar Content of Pepper Fruits from Different Node of Plant

  Wang Jingling;Lv Changshan;Hu Zhenbang;Yu Guangjian

  . 2006, 1(2): 24-25.

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品种选育
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  A New Sweet Pepper F_1 Hybrid—‘Jingtian No.3’

  Geng Sansheng;Chen Bin;Zhang Xiaofen;et al.

  . 2006, 1(2): 26-27.

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  Jingtian No.3 is a new F_1 hybrid developed by crossing inbred lines 9806-1 and 9816. It has mid-early maturity and healthy growth. The fruit is lantern-like with green and polished peel, and is 10 cm in length,9 cm in width, and 0.56 cm in flesh thickness.The fruit weights 160-260 g, with good quality .It has high resistance to TMV,resistance to CMV,and tolerance to Phytophthora blight;its resistance to bacterial wilt is stronger than Jinfuxiyuanjiao.It yields about 52.5 t·hm~ -2 .It is suitable for cultiv...
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  >A New Mini-cucumber F_1 Hybrid —‘Jingyanmini No.2’

  Zhang Feng;Wang Yongjian;Zhang Lirong;et al.

  . 2006, 1(2): 28-29.

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  Jingyanmini No.2 is a newly bred mini-cucumber. The female line M118 was selected from the progeny of 95-60 and 95-63, and male line M117 was selected from 95-68. It is tolerant to both low temperature with weak light and high temperature with long photoperiod. It can be cultivated year round, especially for long term cultivation, the harvest period can last 7 months. In winter greenhouse, it produces low percentage of deformed and abortion fruit. It is female line and grows vigorourly. It is high resistant...
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  A New Mini Watermelon F_1 Hybrid — ‘Shaoziheiganlan’

  Sun Zhenjiu;Jio Dingliang;Duan Aimin.Zhang Yanning;Hao Jianquan;Zhang Wenming

  . 2006, 1(2): 30-31.

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  Shaoziheiganlan is bred by crossing BL-1 line derived from Tianwan Black Beauty as female parent, with few-seed line Xs-2 derived from Japanese mini-fruit type watermelon as male parent. It is extremely early maturity hybrid and characterized by black rind, olivary fruit with about 50 seeds. Sugar content in the centre is over 12.5 %. Average fruit weight is about 1.9 kg, yield is about 37.5 t·hm~ -2 . The fruit has firm flesh and pericarp, and is suitable for shipping. It is medium resistant to Fusarium wi...
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  A New Bitter Gourd F_1 Hybrid —‘Chuanku No.6’

  Yang Yuehua;Zeng Zhengming;Hu Yongsheng;et al.

  . 2006, 1(2): 32-33.

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  Chuanku No.6 is a new bitter gourd F_1 hybrid developed by crossing high female line Q01 with inbred line 03038. It takes 80-85 days from sowing to harvest. The fruit has a good flavor and light bitter taste. The average fruit weight is 0.4-0.6 kg. Average yield is 60 t·hm~ -2 .Its resistance to powdery mildew and Fusarium wilt is stronger than Sichuanchangbaikugua. It has been extented to Sichuan, Chongqing, Hunan, Hubei, Guizhou and Jiangsu for 600 hm~2.