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2011 Vol.1 Issue.10,Published 2011-05-15
1 Research Progresses of Asparagus in Cultivation Technology and Post- harvest Processing Technology in China
TAN Liang-ping1, 2, HE Chao-xing1*, DAI Xiong-ze2, SUN Chao1, MA Qing-hui3, LI Zhen-quan4
The trend of asparagus（Asparagus officinalis L.）planting all over the world is that developed countries reduce the areas, but the developing countries expand the areas gradually. Planting asparagus developed rapidly in China. China is the biggest country of asparagus production and export in the world. Recent research progress on its cultivation technology, post-harvest physiology, preservation, nutritional and medical function are reviewed. The existing problems in asparagus production are analyzed, and the future development prospect for asparagus industry is expected in this paper.
2011 Vol. 1 (10): 1-9 [Abstract] ( 1213 ) [HTML 1KB] [ PDF 397KB] ( 813 )
10 Research Progress on Nondestructive Testing Method for Melon Internal Quality
CHEN Xiao-yang
The internal quality of melon（Cucumis melo L.）determines its marketability, so nondestructive testing method for its internal quality is of great importance in production and circulation. Three nondestructive testing methods including acoustics technology, electrical and magnetic technology, and near infrared spectroscopy to assess melon quality are reviewed. Their principles, advanteges, shortcomins and research progress made on them are also expounded in this paper. Future research orientations are pointed out before ending.
2011 Vol. 1 (10): 10-15 [Abstract] ( 1041 ) [HTML 1KB] [ PDF 223KB] ( 562 )
16 Suppression Mechanism of Meloidogyn incognita Infection on Cucumber by Soil Amendments
WANG Ze1, LIU Qi-zhi1*, ZHOU Hai-ying2, LIANG Li-ping2
The observation and comparing of soil amendment（SA, the main ingredients come from insect body and its metabolic production, developed by authors’laboratory）effect on histopathology features in cucumber（Cucumis sativus L.）‘Qianqiu No.1’radicle tissue infected by root-knot nematodes（RKN, Meloidogyn incognita）with methods of acid fuchsin staining and paraffin section were carried out in this study. The results demonstrated that after 7 days of RKN inoculation and SA treatment, the cucumber growth indicators，giant cell（GC）quantity and morphology had no significant differences with or without SA. However，after 15 days, the total area of cucumber leaves, over-ground part of plant fresh weight and root length in SA treatment were increased about 1/3; the number of root-knot per 10 cm root length was reduced down 1/2. GC became wizened and vacuolated with SA treatment and became hypertrophic without SA treatment. It showed that SA does not prevent RKN finding and infecting root system, but effect on wizened and vacuolated GC formation, which cause RKN food shortage in the GC, by which, the crop capacity against RKN was enhanced.
2011 Vol. 1 (10): 16-22 [Abstract] ( 1106 ) [HTML 1KB] [ PDF 3012KB] ( 619 )
23 Primary Studies about Root Exudates from Different Wheat Cultivars on Cucumber Allelopathy
MA Ya-fei, YANG Ping, WU Feng-zhi*
Taking 40 wheat cultivars in Heilongjiang Province as donor and‘Jinyou No.1’cucumber（Cucumis sativus L?）as accepter, allelopathy of root exudates from different wheat cultivars on cucumber seedlings were investigated in petri dish experiment. Results showed that different wheat cultivars had different allelopathy on cucumber germination rate, radicle length, radicle and shoot fresh weight. Judging from synthesize effect（SE）value,‘Longfu 04-0348’had the most significant stimulatory effect, and‘Longfu 17’had the most significant inhibitory effect, their SE values were -15.37 % and 7.76 %, respectively.
2011 Vol. 1 (10): 23-27 [Abstract] ( 1077 ) [HTML 1KB] [ PDF 191KB] ( 444 )
28 Changing Characteristics of Major Ecological Factor in Semi- underground Solar-greenhouse at Shouguang, Shandong Province
YU Jun-hui1, DONG Xu-bing1, WEI Jia-peng2, AI Xi-zhen1*
Major ecological factors in semi-underground and ground solar-greenhouse at Shouguang region were investigated from Sep 2009 to May 2010. The results showed that the air temperature（Ta）in day and night changes from 14.8 ℃ to 40.6 ℃, and soil temperature（Ts）was 19.0-25.0 ℃. Ta and Ts were the lowest in Jan and the highest in May. The relative humidity（RH）changed from 42.6 % to 97.7 %. Again it was the higher in Jan and Mar, the lowest in May. Ta changed with the similar rule to Ts in day and night. Ta came to the lowest at 5：30-7：30, and to the highest at 12：00-13：30. The lowest and highest value of Ts appeared at 8：30-10：30 and 17：30-20：00, respectively. RH in day and night changed contrary to Ta, its lowest value appeared at 12：00-15：00, and the highest appeared at 7：00- 9：00. The photon flux density（PFD）changed from 211.0 μmolm-2?s-1 to 1 304.7 μmolm-2?s-1. The CO2 concentration was 207-1 219 μl?L-1. The PFD increased in the morning, and decreased in the afternoon, but the CO2 concentration was changed oppositely in clear day. Their peaks or valleys appeared at 11：00-14：00. Compared with the ground solar-greenhouse, the semi-underground one showed higher Ta, Ts and RH and almost the same PFD and CO2. During the day, time with higher than 35 ℃Ta and higher than 90 % RH was longer and time with Ta lower than 20 ℃ and RH lower than 70 % was shorter.
2011 Vol. 1 (10): 28-34 [Abstract] ( 1116 ) [HTML 1KB] [ PDF 346KB] ( 643 )
35 Seasonal Variation of Glucosinolate in Brassca campestris L. ssp. chinensis（L.）Makino var. communis Tsen et Lee Leaves
WANG Hui1, LIAO Yong-cui1, 2, XU Dong-hui1, SUN Ri-fei1, WU Jian1, WANG Xiao-wu1*
The glucosinolate profile and accumulation of 64 Brassca campestris L. ssp. chinensis（L.）Makino var. communis Tsen et Lee DH lines grown in different seasons were analyzed with high performance liquid chromatography（HPLC）. Eight main glucosinolates（3 aliphatics, 4 indoles and 1 aromatic）were detected in all accessions. The aliphatic glucosinolates were the most dominant glucosinolates in pack choi with the highest ratio of above 80 %, and gluconapin（NAP）is about 50 %, in addition, 1 accession with low glucosinolate was detected. Coefficient variability index in each aliphatic glucosinolate was more than 100 %. Correlations analysis between individual glucosinolates showed that the correlation of aliphatic, aromatic and total glucosinolate was all significant or very significant respectively between the 2 seasons. Variance analysis on glucosinolate accumulation showed that there were very significant differences among genotypes in aliphatic, aromatic and total glucosinolate among genotypes in the 2 seasons. Combined variance analysis indicated that there were no significant differences among genotypes in indole glucosinolates, and season×variety interaction was identified in many glucosinolate.
2011 Vol. 1 (10): 35-40 [Abstract] ( 1000 ) [HTML 1KB] [ PDF 250KB] ( 523 )
41 Effect of Vernalization on Nucleic Acid Content of Brassica oleracea L. var. italica Plenck
JIANG Xin-mei, WU Mei-xuan, YU Xi-hong*, LIU Sheng-cai, XU Wei
The change of nucleic acid content in broccoli Brassica oleracea L. var. italica Plenck during vernalization under temperatures in daytime/at night=（17.3±1）℃/（9.3±1）℃ was studied using cultivar‘Qingfengqinghuacai103’with 5 true leaves as experiment material. The results showed that after vernalization, the contents of DNA、RNA and nucleic acid, the ratio of RNA/DNA were higher than the control（CK）, which had not be vernalized, and these contents increased with the process of vernalization. Among them, the contents of RNA and total nucleic acid, and the ratio of RNA/DNA were rapidly increased before the vernalization, while the DNA content was swiftly increased at the end of vernalization.

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2011 Vol. 1 (10): 41-44 [Abstract] ( 884 ) [HTML 1KB] [ PDF 837KB] ( 883 )
45 SSR Inheritance Analysis and Screening for Linked Marker of Powdery Mildew Resistance in Cucumber（Cucumis sativus L.）
NIE Jing-tao1, PAN Jun- song2, HE Huan-le2, SI Long-ting1*, CAI Run2*
In order to accelerate molecular marker assisted breeding process of powdery mildew resistance in cucumber（Cucumis sativus L.）, in this paper, high susceptible cucumber inbred line M12, abd high resistant inbred line M3 to powdery mildew were taken as parent and their hybrid, F2 populations and BC1 populations were used as experimental materials. We identified the seedlings inoculated with powdery mildew fungus and probed into the genetic regulation of powdery mildew resistance in cucumber. Combing with BSA method and SSR technology, SSR markers linked to the major resistant gene of powdery mildew in cucumber was obtained. The results showed that the resistance to powdery mildew was mainly controlled by a single recessive gene. By analyzing F2 single plant with SSR technique, a marker SSR15592 linked to the resistant gene was identified. The genetic distance between this marker and resistant gene was 7.62 cM.
2011 Vol. 1 (10): 45-49 [Abstract] ( 1562 ) [HTML 1KB] [ PDF 774KB] ( 592 )
50 Combining Ability and Heritability Analysis of Bolting Characters in Cabbage（Brassica oleracea var. capitata L.）
LI Na, LI Cheng-qiong*, REN Xue-song, SONG Hong-yuan, SI Jun
Combining ability and heritability of bolting characters of 4 cabbage（Brassica oleracea var. capitata L.）inbred lines were analyzed according to GriffingⅠmethod. The results showed that the general combining ability and special combining ability of inbred lines LN-0901 and LN-0913 were better, which are fit for heterosis-cross-breeding. The broad sense heritability and narrow sense heritability of bolting characters were 96.42 % and 67.68 %, respectively，and mainly affected by additive genes. The selection of bolting characters in cabbage is effective in early generations.
2011 Vol. 1 (10): 50-53 [Abstract] ( 1051 ) [HTML 1KB] [ PDF 195KB] ( 652 )
54 Cabbage Offspring Variation of Space Flight Mutation and Analysis of Genetic Diversity by RAPD
TAN Xue, GUO Shuang, LIN Jin-ying, ZHANG Hua, ZHEN Yan-song, XIE Wei-ping
Seeds of cabbage（Brassica campestris L. var. utilis Tsen et Lee）variety‘Youlv 50 tian’was carried by satellite for space flight treatment. Following the traditional breeding selection, we got 3 new cabbage germplasms. By field observation, the 3 germplasms had apparent variation compared with the original species in agronomic traits, including flowering stage, plant type, leaf shape, flower bulb size, etc. No.2 had the biggest variation, and No.3 had the smallest variation. By RAPD analysis, these germplasms got 31 polymorphic bands altogether. The polymorphism of No.2 was the highest, No.1 was the next and that of No.3 was the smallest. The result was consistent with the field observations.
2011 Vol. 1 (10): 54-57 [Abstract] ( 1002 ) [HTML 1KB] [ PDF 434KB] ( 382 )
58 Studied on Shallow Liquid Tissue Culture System in Amorphophallus konjac K. Koch
HU Nan, LIU Hai-li, WANG Qi-jun, NIU Yi, ZHANG Sheng-lin*
Amorphophallus konjac K. Koch tissue culture was studied in liquid and solid MS medium supplemented with different hormone proportion. The result showed that shallow liquid medium was prior to solid medium in browning control, callus growth speed, number of differentiation buds, robustness of roots and low cost. MS+6-BA 0.5 mg?L-1+NAA 0.5 mg?L-1+Sucrose 3.0 %+0.1 % PVP（pH 5.8）could be used for primary culture. Alternative culture in MS+6-BA 2.0 mg?L-1+NAA 0.5 mg?L-1+Sucrose 3.0 %+0.1 % PVP（pH 5.8）and MS+6-BA 1.0 mg?L-1+NAA 0.5 mg?L-1+Sucrose 3.0 %+0.1 % PVP（pH 5.8）could produce tissue culture plantlets in batch and continuously. Rooting medium could be 1/2MS+IAA 0.5 mg?L-1+Sucrose 1.5 %+0.1 % PVP（pH 5.8）. 3 types of calli were found after subculture for 3 times. Remarkable difference existed in the A, B and C types in appearance, organization structure and capacities of re-differentiation. Calli of A and B-type were chosen for bud differentiation, both in test and application, which could produce a stable and efficient differentiation system.

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2011 Vol. 1 (10): 58-63 [Abstract] ( 1263 ) [HTML 1KB] [ PDF 1906KB] ( 507 )
64 Effects of Potash Fertilizer on Yields, Contents of Heavy Metal and Nitrate in Chinese Cabbage and Lettuce
WANG Xiao-jing1, WANG Zheng-yin1*, ZHAO Huan1, LIU Fang1, CHEN Yan-xia1, XIANG Hua-hui2, LI Rong2
Field experiments were carried out to study the effects of two kinds potash fertilizer with different dosages on yield, contents of heavy metal and nitrate in Chinese cabbage（Brassica campestris L. spp. pekinensis）and lettuce（Lactuca sativa L.）under acidic soil cultivation. Results indicated that two kinds potash fertilizers could significantly increase the yields of Chinese cabbage and lettuce, which reach 9.0 %-20.0 % and 8.7 %-52.0 %. And the maximum yield was at the high potassium level（450 kg?hm-2）for Chinese cabbage and lettuce. Combination of medium potassium sulfate and peat（K2S+M）could markedly increase yields of two vegetables as compared with potassium sulfate which reach 14.6 % and 12.1 %. Potash fertilizers could significantly decrease nitrate content of Chinese cabbage as well improve the content of lettuce. Potash fertilizers could greatly decrease arsenic and lead content of Chinese cabbage as well chromium and lead of lettuce. The effects of potash fertilizers on other heavy metals in two vegetables were discrepancy. Combination of potassium sulfate and peat could significantly decrease the heavy metals content（except mercury in Chinese cabbage and cadmium in lettuce）in two vegetables and improve their food safety.
2011 Vol. 1 (10): 64-68 [Abstract] ( 1658 ) [HTML 1KB] [ PDF 192KB] ( 619 )
69 Effect of Silicon on Accumulation and Chemical Forms of Cadmium，and Physiological Characterization in Different Varieties of Capsicum annuum L.
LIU Ji-zhen1, XU Wei-hong2*, WANG Hui-xian2, ZHANG Hai-bo2, CHEN Gui-qing2, ZHANG Xiao-jing2, ZHANG Jin-zhong2, ZHOU Xin-bin2, LI Zhen-lun2, XIONG Zhi-ting3
Pot experiments were carried out to investigate the influence of organo and inorgano silicon on the plant growth，activities of antioxidant enzymes，accumulation and chemical forms of cadmium（Cd）in different varieties of Capsicum annuum L. when exposed to Cd（10 mg?kg-1）. The results showed that the fruit dry weights of‘Shinongchaotianjiao’increased by 28.1 % and 11.4 % in the presence of organo and inorgano silicon, when exposed to Cd. While the fruit dry weight of‘Yanjiao425’decreased by 32.3 % and 55.1 % compared to the control. Activities of catalase（CAT）and peroxidase（POD）were increased by silicon（Si）. The fruit cadmium chemical forms in 2 varieties of Capsicum annuum L. were in order of FNaCl>FHAC>FE>FHCl>FW>Fr. The total extractable Cd, ethanol- extractable Cd, NaCl-extractable Cd in fruit of‘Shinongchaotianjiao’obviously decreased by Si compared to the control, while the total extractable Cd, NaCl-extractable Cd and acetic acid-extractable Cd in fruit of‘Yanjiao425’increased. The cadmium accumulations of Capsicum annuum L. were in order of stew＞roots or leaf＞fruit. The fruit Cd accumulations in 2 varieties of Capsicum annuum L. obviously decreased by 19.1 % and 23.3 %, 13.4 % and 26.1 % in the presence of organo and inorgano silicon, when exposed to Cd. The cadmium accumulations in Capsicum annuum L. fruit were in order of‘Yanjiao425’＞‘Shinongchaotianjiao’.
2011 Vol. 1 (10): 69-75 [Abstract] ( 1180 ) [HTML 1KB] [ PDF 277KB] ( 440 )
76 Effects of Form and Ratio of Nitrogen Element on Yield and Nutritional Ingredients of Silene conoidea L.（Noodles Greens）
MA Guang-shu, LIU Tao, LIAN Hua*, LIU Fang, WU Xia
In the experiment, Silene conoidea L.（Noodles greens）was used as experimental material, the way of substrate culture was adopted to study the effects of different forms and ratios of nitrogen element supply levels on the yield and nutritional ingredients of noodles greens. The results showed that the single plant output was higher, the nitrate content was safer, nitrate reductase activity was stronger, and contents of all nutritional ingredients were higher, when the concentration of nitrogen element was 3.2 mmol?L-1, and NO3-－N to NH4+－N ratio were 75∶25 and 50∶50. Thus, they are the most suitable ratios.
2011 Vol. 1 (10): 76-79 [Abstract] ( 1274 ) [HTML 1KB] [ PDF 220KB] ( 541 )
80 Measuration of Super-cooling Point for〔Bactrocera（Zeugodacus）cucurbitae（Coquillett）〕
LIU Kui, FU Yue-guan, HE Sheng-yang, QUI Hai-yan
Thermistor method were conducted to examine the super-cooling point and freezing point for adult, larva and pupa of Bactrocera（Zeugodacus）cucurbitae（Coquillett）. Results showed that the super-cooling point of 5 day-old pupa and freezing point of 3 day-old pupa were the lowest, which was（-16.72±0.23）℃ and（-13.14±0.55）℃, respectively. The super-cooling point and freezing point of the 5th instar larvae were the highest, which was（-14.32±0.45）℃ and（-5.52±0.47）℃, respectively. The sequence of super-cooling point from low to high is 5 day-old pupa＜3 day-old pupa＜5 day-old male adult＜1 day-old male adult＜1 day-old pupa＜5 day-old female adult＜the 1st instar larvae＜1 day-old female adult＜the 5th instar larvae.
2011 Vol. 1 (10): 80-82 [Abstract] ( 932 ) [HTML 1KB] [ PDF 586KB] ( 492 )
83 A New Mini-Chinese Cabbage F1 Hybrid —‘Qinmeng No.1’
WANG De-sen, GONG Ming-bo*, LI Yu-gang, SUN Shou-jin, ZHANG Peng, ZHANG En-lei
Qinmeng No.1’is a new F1 hybrid of mini-Chinese cabbage registrated by Shandong Variety Identification Committee. It is bred by crossing 2 self incompatible lines YS-5-3-10-9-11 and AYM-4-8-1-2-3. It can be harvested about 58 days after sowing. It has short cylinder, semi-folded and tight leaf head, dark green outer leaf and yellow inner leaf. It is about 20.2 cm in height and 16.1 in diameter, 0.25 kg per head in weight with about 68 % net yield ratio. Its net yield is about 75.0-90.0 kg?hm-2. It is high resistant to virus and soft rot, resistant to downy mildew. It is strong winter type and suitable to be cultivated in spring or autumn in Shandong, Northeast of China, Yunnan and Guizhou region.
2011 Vol. 1 (10): 83-85 [Abstract] ( 987 ) [HTML 1KB] [ PDF 175KB] ( 509 )
86 A New Flowering Chinese Cabbage —‘Youlv 501 caixin’
HUANG Hong-di1, ZHANG Hua1, ZHENG Yan-song1, LIU Zi-zhu1, GUO Pei-guo2, LI Xiang-yang1
‘Youlv 501 caixin’is a new conventional Chinese cabbage variety developed by systematic breeding. It is of early maturity. It takes 32-35 days from sowing to harvest, and grows vigorously. The plant height is 24.4 cm. It can develops up to 21.3 cm. Its base-leaves are round with green and shiny color. Its leaf is 18.3 cm in length, 10.2 cm in width, and 5.2 cm in petiole length, 1.6 cm in petiole width. Its sprout leaves are of short-oval shape. The flower stalk is sturdy. Its major sprout is 18.4 cm in height, 1.7-2.0 cm in diameter, and about 40.3 g in weighs. It has tidy bolting, less fiber, sweet crisp quality, and no slag. It yields about 15.0 t?hm-2. It is suitable to grow in plain areas from late April to early November.
2011 Vol. 1 (10): 86-88 [Abstract] ( 1339 ) [HTML 1KB] [ PDF 157KB] ( 492 )
89 A New Eggplant F1 Hybrid Resistant to Bacterial Wilt Disease —‘Zirong No.6’
LI Lian-fang1, LIN Jian-rong1*, CAO Cui-wen1, XIA Xiu-xian1, HE Zi-fu2
‘Zirong No.6’is a new eggplant F1 hybrid variety bred by crossing 9424 as female parent and M3-1 as male parent. It is of middle maturing and has good fruit setting ability. Its fruit has smooth skin and long stick-shape. It is deep purple in color. The fruit is 30 cm in length and 5.5 cm in width. The single fruit is 350 g in weight. The flesh is white and the commodity rate is high. Its yield is about 34.5 t?hm-2. It is resistant to bacterial wilt disease, strong tolerant to high and low temperature, to water logging and drought. It is suitable to be cultivated in north China and central China.
2011 Vol. 1 (10): 89-91 [Abstract] ( 1161 ) [HTML 1KB] [ PDF 153KB] ( 498 )
92 A New Hot Pepper F1 Hybrid —‘Longjiao No.5’
WANG Lan-lan, CHEN Ling-zhi, CHENG Hong, WEI Bing-qiang, ZHANG Ru
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2011 Vol. 1 (10): 92-93 [Abstract] ( 1152 ) [HTML 1KB] [ PDF 118KB] ( 496 )
94 A New Hot Pepper F1 Hybrid —‘Jinongjiaowang No.1’
REN Guo-san1, WANG Hong-dui1, WANG Lei1, YE Ai-min2, CHENG Jia-xiang1, ZHAO Chuan-lin1, GAO Fa-zhen1, LI Xin-Juan3
‘Jinongjiaowang No.1’is a new pepper F1 hybrid developed by crossing self-line C37-11-5 selected from‘Zhenqing 108’as female parent and self-line L6-14-9 selected from‘Meinong 201’as male parent. It is of early maturity. The fruit is of goat-horn shape with smooth surface. The fruit is green and yellow in color. It is 25-28 cm in length, and its shoulder diameter is 3.0-3.5 cm. The flesh thickness is 0.35 cm. The fruit weight is 70-80 g. It tastes crisp and tender, with moderate-hot flavor and polished peel. It has strong growth vigor and good fruit setting ability. Its yield is 75.0 t?hm-2. It is suitable to be cultivated of spring and autumn of green house in North of the Yangtze River Basin.
2011 Vol. 1 (10): 94-96 [Abstract] ( 915 ) [HTML 1KB] [ PDF 118KB] ( 386 )
97 A New Cucumber F1 Hybrid —‘Lvyuan No.4’
SONG Tie-feng1, 2, FENG Hui1, LIU Yong-li2, ZHAO Ju-yong2
Lvyuan No.4’is a new F1 hybrid cucumber variety bred by crossing 281 gynoecious inbred line as female parent and L3 inbred line as male parent. The 281 gynoecious inbred line was selected from B21 introduced from Korea by 5 generations’selection. The L3 was selected from‘Zhongnong No.8’inbred line.‘Lvyuan No.4’grows vigorously. Its node is in middle length. The leaves are dark green in color. Its fruit is about 30 cm in length and good for supermarket sale. The fruit stem is short and thorns are evident on surface. It is resistant to cucumber mosaic virus and bacterial augular leaf spot disease, mid-resistant to downy mildew. It matures early and can yield about 82.5 t?hm-2. It is suitable for open field cultivation in spring and autumn, and under big plastic shed in autumn in the North of Yangtze River.

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2011 Vol. 1 (10): 97-99 [Abstract] ( 1071 ) [HTML 1KB] [ PDF 138KB] ( 600 )
100 A New Processing Variety of Jerusalem Artichoke —‘Qingyu No.3’
LI Yi1, 2, SUN Xue-mei3, ZHONG Qi-wen1, 2, LI Li1, 2*
Jerusalem artichoke‘Qingyu No.3’as a superior new processing variety, was developed by systematic selection. The tubers are big with white skin and tiny amount hair roots. The average tuber weight is 50 g. Its tubes are distributed in a cluster, and are easy to be grub. The tubers are of superior quality. The content of raw protein was 1.79 %, crude fiber was 1.52 %, crude fat was 0.11 %, sugar was 18.28 %, water was 77.80 %. It has high yield and its output can reached 41.4 t?hm-2 and 34.6 t?hm-2 in irrigated areas and low level dry areas.
2011 Vol. 1 (10): 100-102 [Abstract] ( 1347 ) [HTML 1KB] [ PDF 154KB] ( 476 )
103 A New Daikon Variety —‘Xueyu No.1’
MA Dong-mei
Xueyu No.1’was a new daikon F1 hybrid obtained by crossing radish EMS male sterile line 803A as female parent with 05-6-8-12 as male parent. Its growing period can last 75 days. The leaf is 39.9 cm in length and 15.08 cm in width. Its trunk appears white-green, both leaf and stipe are green in color. The shape of leaf resembles an egg. The leaf appears crinkled with short and numerous thorns and short and soft hairs. The daikon appears cylindrical. The daikon has yellowish green surface and the pulp is white. The fleshy-root is 48.25 cm long and 10.19 cm wide. The surface appears smooth. The average single plant weighs 2.54 kg and daikon weighs 2.14 kg. The plant grows evenly. It is high resistant to soft rot disease, CMV and cauliflower mosaic virus and resistant to downy mildew and turnip mosaic virus. It can yield about 90 t?hm-2. It is suitable to be cultivated in Northeast, North China and Northwest.

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2011 Vol. 1 (10): 103-105 [Abstract] ( 1056 ) [HTML 1KB] [ PDF 221KB] ( 455 )
106

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2011 Vol. 1 (10): 106-106 [Abstract] ( 721 ) [HTML 1KB] [ PDF 434KB] ( 417 )
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