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2022 Vol.1 Issue.4,Published 2022-04-01
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Hot!
2022 Vol. 1 (4): 1-3 [Abstract] ( 143 ) [HTML 1KB] [ PDF 847KB] ( 415 )
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2022 Vol. 1 (4): 4-8 [Abstract] ( 182 ) [HTML 1KB] [ PDF 868KB] ( 715 )
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2022 Vol. 1 (4): 9-12 [Abstract] ( 104 ) [HTML 1KB] [ PDF 1045KB] ( 287 )
13 Studies on Heredity Laws of Flower Color and Analysis of Main Nutritional Components of Flowering Chinese Cabbage
LYU Sirui，ZHANG Deshuang，LI Peirong，XIN Xiaoyun，ZHANG Fenglan，YU Shuancang，YU Yangjun，ZHANG Yaowei，ZHAO Xiuyun，WANG Weihong，SU Tongbing，LU Guixiang
Taking milky white flowers‘Guanghaichaoji 80 tian’and orange flowers‘14A-P2-21’as materials，this experiment constructed P1，P2，F1，F2，BC1 and BC1′6 generation groups；studied the dominant relationship and heredity laws of milky white flowers and orange flowers of flowering Chinese cabbage〔Brassica campestris L. ssp. chinensis（L.）var. utilis Tsen et Lee〕；measured and analyzed the components and contents of carotenoid，flavone in petals of 3 kinds flowers namely yellow，milky white and orange．The results showed that yellow flower was manifested as dominant to milk white flower and orange flower．There was no obvious recessive relationship between milky white flowers and orange flowers．There were 2 pairs of recessive，independent non-allelic genes controlling the heredity of flower color．The pollen viability and pollen germination rate of orange flowers was significantly lower than that of yellow and milky white flowers．The plants of orange flower were weak with late flowering phase under the same cultivation environment．There were 4 kinds colors in flower from F2 population：yellow，milky white，orange and light orange．The separation ratio of orange flower was lower than theoretical value．It is speculated that the reason might be gametophyte activity of orange flower was weaker than that of yellow flowers and milky white flowers．Its competitiveness was lower under the same conditions．The survival rate of orange flower plants was also lower，leading to the decrease in plant number of orange flowers．The contents of total carotenoid and total flavone in petals of orange flower were significantly higher than those in milky white and yellow flowers．Flowering Chinese cabbage with orange flower might be a new direction for breeding flowering Chinese cabbage variety．
2022 Vol. 1 (4): 13-20 [Abstract] ( 117 ) [HTML 1KB] [ PDF 5478KB] ( 290 )
21 Studies on Infectious Process of Plasmodiophora brassicae in Broccoli，Tomato and Pepper
XIE Qi，LIU Yumei，HAN Fengqing，ZHUANG Mu，LI Zhansheng Hot!
In order to clarify the change features of root cells in cruciferous and solanaceous vegetables infected by Plasmodiophora brassicae，this experiment selected 2 broccoli varieties‘Zhongqing No.10’，‘Zhongqing No.16’（susceptible group），tomato variety‘Zhongza 302’ and pepper variety‘Zhongjiao 115’（control group）；and conducted a comparative test．Cytological observation after root staining of these 2 groups was carried out to reveal the root characteristics and changes of broccoli，tomato and pepper during the infection process by Plasmodiophora brassicae．Results of molecular-assisted identification showed that the tested strain was physiological race No.4．The infection pathway of Plasmodiophora brassicae in broccoli，tomato and pepper seedlings cultivated by hydroponics was basically the same within 14 days after inoculation of Plasmodiophora brassicae．Plasmodiophora brassicae firstly entered into the root-hair zone of these 3 vegetable crops，then continued to invade the root cortical cells and to form conidium or sporangium．In terms of the infection rate of Plasmodiophora brassicae，broccoli was significantly different from tomato and pepper．Plasmodiophora brassicae could quickly infect broccoli 7 and 14 days after inoculation，and a large number of conidia and sporangia were formed in the cortical cells 14 days after inoculation．The infection rate of Plasmodiophora brassicae in tomato was obviously lower than that in broccoli，and the infection quantity of Plasmodiophora brassicae was significantly reduced．The conidia could be formed only in root-hair zone and infect cortical cells，but sporangia could not be formed．The infection rate of Plasmodiophora brassicae in pepper in root-hair zone was the slowest，and its infection efficiency was the lowest．Only a small amount of conidia was formed in root-hair zone，and a very few conidia could enter into the cortical cells，but no sporangia was formed．This study revealed the change features of dominant pathogen of clubroot（physiological race No.4） infecting broccoli，tomato，and pepper in hydroponic environment；thus providing a bas is for scientifical explanation of clubroot resistance mechanism in solanaceous vegetables，and also opening up a new pathway for creation of germplasm resistant to clubroot in cruciferous crops．
2022 Vol. 1 (4): 21-28 [Abstract] ( 194 ) [HTML 1KB] [ PDF 1819KB] ( 414 )
29 Molecular Identification of Co-infection of Tomato Spotted Wilt Virus and Southern Tomato Virus in Yinchuan Region of Ningxia
KANG Huajun，LI Jianshe，GAO Yanming，SHI Juan，SHI Yanxia，XIE Xuewen，LI Lei，FAN Tengfei，LI Baoju，CHAI Ali
During disease investigation in Yinchuan region of Ningxia in 2021，we found suspected virus disease symptoms of brown and irregular spot on tomato plant stems and unmatured fruits．By Trizol method，we extracted the total RNA of infected tomato plant samples，and conducted RT-PCR detection using specific primers of common virus frequently infecting tomato．The results showed that the specific primers of tomato spotted wilt virus（TSWV）and southern tomato virus（STV）had amplified 777 bp and 681 bp target outcomes，respectively．Outcome sequencing，BLAST comparison conducting and Phylogenetic analysis showed that TSWV isolate from Yinchuan Region of Ningxia was on the same branch with TSWV isolate from Spanish pepper．Two of them had the closest relation．STV isolate had the closest evolutionary relation with STV isolates on tomatoes from France，Pakistan and Colombia，but had farther relation with STV isolates from the other regions．These results indicated that tomatoes in Yinchuan Region of Ningxia were co-infected by TSWV and STV．
2022 Vol. 1 (4): 29-34 [Abstract] ( 130 ) [HTML 1KB] [ PDF 1694KB] ( 352 )
35 Evaluation on Heavy Metal Elements in Different Populations of Wild Milula spicata in Tibet
GUAN Zhihua，CAO Kefan，LI Ning，PENG Shiwei，WANG Zhonghong
In order to definit whether the heavy metal contents in overground edible part of Milula spicata under different ecological environment in Tibet is exceeded standard，this experiment took 32 dry samples from 32 populations as test material；and detected the contents of Pb，Cr，Cd，As and Hg．The results
showed that the contents of Pb，Cr，As and Hg in SG4 population were significantly higher than those in the other populations，the contents of 5 heavy metals in the other 31 populations were generally lower．The 32 populations could be divided into 5 groups with different heavy metal contents by systematic clustering：high，higher，medium，lower，low．Caculating in terms of fresh samples，among 32 populations，only Cr and As had 25.00% and 3.13% over standard rates，respectively．Among SG4 population，the times of ultra standard of Cr and As were 3.84 and 0.70，respectively．The times of ultra standard of Cr in SG1，ZB2，NML1，SZZ1，RB1，DL2 and SR1 populations were 0.01-1.22．Grading in terms of comprehensive pollution index，SG4 population was classified as heavy pollution；SG1，ZB2，RB1 and SR1 as mild pollution；NML1，SZZ1 and DL2 as alert class；the other populations as safe class．Caculating in terms of dry samples，Cd did not exceed the standard，while the over standard rates of Pb，Cr，As and Hg were 59.38%，84.38%，34.38% and 84.38%，respectively．In each population，times of ultra standard of Pb，Cr，As and Hg were 0.02-4.39，0.05-31.26，0.03-10.36 and 0.04-1.48，respectively．In SG4 population，times of ultra standard of Pb，Cr and As were the highest，reaching 4.39，31.26 and 10.36，respectively．Grading in terms of comprehensive pollution index，except ZN1 and NML2 were alert class，the other populations were all mild to heavy pollution class．In general，the heavy metal elements in SG4 population exceeded the standard seriously and were inedible．The heavy metal elements in the other populations had little effect on fresh-eating．Because the local people mainly eat dried food，taking a small amount of dry one each time is advisable．
2022 Vol. 1 (4): 35-44 [Abstract] ( 128 ) [HTML 1KB] [ PDF 2010KB] ( 271 )
45 Identification of Different Brassica oleracea Vegetables Resistance to Clubroot and Molecular Marker-assisted Selection
JIANG Shunshun，LIU Caiming，ZHAO Yu，HU Wenhui，WU Jiabing，LI Qinfei，REN Xuesong，SONG Hongyuan，SI Jun
Clubroot is one of the main diseases of cruciferous vegetables seriously threating its production．Breeding resistant variety is one of the effective methods to control clubroot．This experiment adopted root irrigation and artificial inoculation methods at seedling stage on physiological race of No.4 clubroot；conducted clubroot resistance identification on 29 Brassica oleracea vegetable accessions；and using molecular marker assisted identification using SCAR marker（OA）and SSR marker（B0902）linked to disease resistance gene CRb and CRbKato on materials expressing immune，high resistant，disease resistant and disease tolerant by artificial inoculation identification．The results indicated that among 8 disease-resistant accessions screened by artificial inoculation identification，‘Cr7’showed immunity，‘Lvkang No.9’and‘Qinglianganlan’showed high resistance，‘S148’‘Cr5’and‘Cr6’showed disease resistance，‘S146’and‘S296’showed disease tolerance．Results of molecular marker identification showed that 4 accessions contained CRb gene，8 accessions contained CRbKato gene，verifying the authenticity of these 8 disease-resistant accessions．Moreover，‘Cr5’‘Lvkang No.9’‘Qinglianganlan’‘S296’accessions contained 2 resistant loci．Therefore，these 4 accessions could be directly applied to breeding of clubroot resistant cabbage．
2022 Vol. 1 (4): 45-50 [Abstract] ( 146 ) [HTML 1KB] [ PDF 1076KB] ( 468 )
51 Screening of Salt Tolerant Common Bean Varieties and Studies on Their Salt Tolerance Physiology in Seedling Stage
LI Mengdi，FENG Guojun，YANG Xiaoxu，LIU Chang，YAN Zhishan，LIU Dajun
NaCl was used to simulate salt stress by hydroponic method of nutrient solution，4 common bean varieties were used to determine the most suitable NaCl concentration for variety screening．This experiment treated 40 common bean varieties with salt stress．Taking relative values of growth amount，rootshoot ratio，plant height，leaf area and net photosynthesis rate as basis for salt tolerance evaluation，adopting weighted membership function and cluster analysis，this experiment conducted comprehensive evaluation on salt tolerance of different bean varieties，and classified their salt tolerance grades．Then，the physiological indexes of these salt tolerant varieties were determined．The results showed that 150 mmol·L-1 NaCl was the most suitable salt concentration for variety screening．The sensitivity of salt stress index at seedling stage was：relative growth amount ＞ relative net photosynthesis rate ＞ relative root-shoot ratio ＞ relative leaf area ＞relative plant height．The relative growth amount，relative root-shoot ratio，relative leaf area and relative net photosynthesis rate were most closely related to the salt tolerance of bean varieties．The 40 common bean varieties were divided into 5 categories according to their tolerant degree to salt stress：high salt tolerant，salt tolerant，rather salt tolerant，salt sensitive，salt extreme sensitive．Five high salt tolerant cultivars P16152，P19023，P18009，P18012 and P18051 were screened out．The results of determing physiological indexes of 5 high salt tolerant cultivars and 5 salt extreme sensitive cultivars indicated that except POD activity，the number of varieties with significant differences among extreme sensitive varieties in SOD activity，ros generation rate and MDA content under salt stress were more than varieties among high salt tolerant varieties．SOD activity，ROS generation rate and MDA content were more suitable than POD activity for evaluating salt tolerance of common beans．
2022 Vol. 1 (4): 51-61 [Abstract] ( 135 ) [HTML 1KB] [ PDF 1479KB] ( 302 )
62 Sensory Index Evaluation on Fruit Quality of Different Strawberry Varieties
XIANG Dandan，WANG Yunbing，CHEN Mengwei，ZHANG Chenglei，XU Yingzi，XIANG Mengdan，ZHOU Bin，HUANG Tingnan
In order to explore the sensory evaluation method on strawberry fruit quality，this study organized 3 assessment teams with various combination formed by 10 professionals and 7 nonprofessionals；adopted 3 sensory evaluation methods to conduct sensory quality analysis on 4 strawberry varieties （‘Hongjia’‘Yuexiu’‘Yuexin’‘First lover’） with different maturities （70% ripe，90% ripe）．The results showed that the results of 3 evaluation methods were basically the same．‘Yuexin’ had excellent quality．Its 70% ripe fruits had showed better quality，but the quality of 90% ripe fruits were the best．The quality of‘ Hongjia’ was greatly affected by ripeness．Its 90% ripe fruits were significantly superior to that of 70% ripe fruits．‘Yuexiu’ had better quality than that of‘ Hongjia’．Its 90% ripe fruits were better than that of 70% ripe fruits．‘First lover’ was controversial and performed not very ideal in various evaluation methods．In addition，in strawberry sensory evaluation，after training and according to evaluation method，the non-professional evaluators could make basically the same sensory evaluation results as the professional evaluators．
2022 Vol. 1 (4): 62-66 [Abstract] ( 256 ) [HTML 1KB] [ PDF 1237KB] ( 405 )
67 Effects of Nitrogen and Sulfur Combined Application on Allicin Content and Quality of Garlic Seedling
ZHANG Yumeng，CHENG Zhihui，WANG Xi’ao，LI Xiaxia，ZHANG Siyu，GAO Jingcao
In order to clarify the effect of nitrogen and sulfur interaction on allicin and quality of garlic seedling，a main garlic cultivar ‘G025’ of Shaanxi was used as test material，and a 2 factors 3 level random block test was designed．This experiment sprayed the leaf surface with different nitrogen and sulfur concentrations during the 4-5 leaf stages，and harvested and analyzed the quality of garlic seedlings after 10 days and 20 days，respectively．The results showed that nitrogen and sulfur factors and their interaction had significant effects on the growth of garlic seedlings，and contents of allicin，alliin，sulfur etc. nutritional qualities．20 days after treatment the allicin and alliin contents of garlic seedlings were higher than that of 10 days after treatment．20 days after treatment，the combination of low nitrogen（450 mg · L-1）and medium sulfur（300 mg · L-1）could significantly increase the contents of allicin in leaves and pseudostems．The combinations of high nitrogen（850 mg · L-1）and low sulfur（100 mg · L-1），or low nitrogen（450 mg · L-1）and low sulfur（100 mg · L-1）could significantly improve the content of alliin．
2022 Vol. 1 (4): 67-71 [Abstract] ( 124 ) [HTML 1KB] [ PDF 873KB] ( 263 )
72 Effects of Polyaspartic Acid and Biological Compound Fertilizers on Tomato Quality，Yield and Nitrogen Utilization Efficiency in Solar Greenhouse
DING Junyang，GUO Yanchun，TIAN Subo，WANG Guanjie，LIN Junfeng，WANG Lei，GUO Jiajin，LI Yingjie，XIN Xiaofei，WANG Wei
In order to reduce the usage amount of chemical fertilizers and improve nitrogen use efficiency，this paper studied the effects of fertilizer synergist polyaspartic acid and ETS biological compound fertilizer on facility tomato quality，yield and nitrogen use efficiency under the condition of reduced application of chemical fertilizers．This experiment set early spring-cultivation，autumn and winter cultivation，and 5 treatments，including no fertilizer applied（CK0）；conventional chemical fertilizer（CK）；chemical fertilizer +polyaspartic acid（T1），N was 80% of the CK；ETS biological compound fertilizer（T2）；ETS bioorganic fertilizer + polyaspartic acid（T3），N was 80% of the T2．The results showed that the application of polyaspartic acid and ETS biological compound fertilizer could significantly increase tomato yield，improve nutritional quality，increase dry mass quantity of each plant part，and enhance tomato ability to absorb nitrogen．The early spring-cultivation，autumn and winter cultivation showed similar change trends．Compared with the CK，in early spring-cultivation of T3 the average yield increased by 16.47%，sugar-acid ratio increased by 38.12%，nitrogen fertilizer absorbtion and utilization rate increased by 13.77 percentage point．Compared with the CK，in T2 tomato yield increased by 18.83%，nitrogen fertilizer absorbtion and utilization rate increased by 8.11 percentage point．In conclusion，using ETS bio-compound fertilizer to replace chemical fertilizer, and combined applying polyaspartic acid under the premise of reducing nitrogen application by 20% can effectively increase tomato yield，improve tomato quality，and enhance nitrogen agronomy efficiency．
2022 Vol. 1 (4): 72-76 [Abstract] ( 119 ) [HTML 1KB] [ PDF 1003KB] ( 272 )
77 Effect of Perilla（Perilla frutescens）Intercropping Density on Controlling Pepper Blight（Phytophthora capsica）and Plant Growth
CHEN Yingtong，ZHANG Jing，LI Kun，WU Fengzhi，HU Zhaoping，MAO Tongyan，YU Xihong，JIANG Xinmei
Taking pepper monoculture as the contrast（CK），this experiment planted perilla between pepper ridge double lines with different densities（plant spacing 20，40，60 cm）；studied the effects of different perilla intercropping densities on pepper blight occurrence and plant growth，so as to explore a safe and effective blight control measure．The results showed that rational perilla intercropping with pepper could effectively control pepper blight．And the disease index and incidence rate were significantly reduced．Along with the decrease of perilla intercropping density（i.e. intercropping plant space was increased），the population crown environment and soil environment of each treatment were improved．The activities of 3 enzymes SOD，POD，PPO and chlorophyll content were all increased．While，the pepper blight disease index and incidence rate were all reduced. The growth vigor of pepper plant was strengthened，yield and quality were improved．Among them，the intercropping treatment with 60 cm spacing of perilla（Z3）had the best effect．The control efficiency of pepper blight reached 78.23%．Pepper yield increased by 53.8%．Also the contents of soluble protein，soluble sugar and VC in fruit were significantly increased．
2022 Vol. 1 (4): 77-83 [Abstract] ( 125 ) [HTML 1KB] [ PDF 1287KB] ( 270 )
84 Control Effect of Fosthiazate Microcapsule Suspension on Meloidogyne incognita
ZHAO Gongwen，TANG Jianfeng，DI Chunxiang，LI Changpeng，SU Jingchi，YANG Zhihang
This experiment measured the toxicity of fosthiazate aginst Meloidogyne incognita at greenhouses in Jiyang District of Jinan City and Daiyue District of Taian City of Shandong Province using indoor insect-dipping method，and discovered that the toxicity of fosthiazate aginst Meloidogyne incognita was between 4.18-5.86 mg · L-1．In the fields，single plant root irrigation method was employed to compare the control effects of 30% fosthiazate microcapsule suspension concentrate and 5% fosthiazate microemulsion on root knot nematodes．It was found that both formulations achieved over 80% control effects 30 days after application．As for control effects 60 days and 90 days after application，the 30% fosthiazate microcapsule suspension was significant or extreme significant suerior to that of 5% fosthiazate microemulsion，indicating that 30% fosthiazate microcapsule suspension could effectively prolong its efficacy duration，thus reducing the application times and dosage，and ensuring the safety of agricultural products．
2022 Vol. 1 (4): 84-87 [Abstract] ( 142 ) [HTML 1KB] [ PDF 1320KB] ( 378 )
88 Production Status of Fruit Vegetables in Solar Greenhouse of Northeast Region and Simplification Pathway
YU Chaoge，HE Yao，YUE Hongyan，ZHAO Hongzhi，ZHAO Lianjun，LI Zhengguo，WEI Xiangdong，ZHANG Lili，LI Benshuai，SUN Zhouping
In order to understand the status of fruit vegetables production status in solar greenhouses of Northeast region，and provide basis for simplified production pathway，this study investigated the supporting facilities，using labor，production efficiency and cost composition of 8 cities mainly dedicatied to facility vegetable production in solar greenhouses of Northeast Region．Results showed that common simple equipments were widely used in these solar greenhouses at Northeast Region．But the equipments with environmental control function were lacking high accuracy and high intelligence．Production management needed a large amount of labor，which costing very highly and accounting for 44.5% of the total cost．The paper also provided in solar greenhouse the east-west ridge cultivation pattern；research/development and integration of key auxiliary equipments and technology；integration of agronomy and agricultural machinery；and simplified production pathway of standardized production，etc.．
2022 Vol. 1 (4): 88-92 [Abstract] ( 150 ) [HTML 1KB] [ PDF 1211KB] ( 547 )
93 A New Pepper F1 Hybrid —‘Longjiao 16’
ZHANG Hui，HE Wei，WANG Ying，DONG Yanlong，SONG Chengze，PEI Lijuan，HUANG Yue
‘Longjiao 16’is a new three-line hybrid pepper developed by crossing male sterility line‘A09-87’as female parent，‘B5-87’as maintainer line，and selfing line‘C09-13’as male parent．It is of mid-early maturity，and takes about 105 days from seedling germination to first harvest．The plant has strong growth vigor，and is 70-90 cm in height．Its continuous fruit setting ability is strong．The fruit can expand rapidly and is of cow horn shape．The fruit is 26-32 cm in length，and about 6 cm in shoulder width．The single fruit weight is about 120 g．The ripe fruit is light green in color and old ripe fruit is red in color．The VC content is 1 468.10 mg · kg-1．It is tolerant to low temperature，resistant to anthrax，scab，powdery mildew and virus disease，moderate resistant to Phytophthora．It can yield about 61.5 t · hm-2．It is suitable for planting in open fields of Heilongjiang region．
2022 Vol. 1 (4): 93-96 [Abstract] ( 145 ) [HTML 1KB] [ PDF 1772KB] ( 237 )
96 A New Tomato F1 Hybrid for Greenhouse —‘Yuanfen 213’
WANG Yongzhen，ZHANG Jianguo，LIU Caihong，LI Sibei，LYU Tiantian
‘Yuanfen 213’is a new early maturing tomato F1 hybrid developed by crossing selfing line‘W33-3’as female parent and selfing line‘Z34-6’as male parent．It is of indeterminate growth type．Its plant has medium growing vigor．The leaves are dark green in color．The leaf volume is medium．The first inflorescence sets on the 6-7th segments，taking the single inflorescence as the principal．Its internode length is medium．The fruit is of round shape with small navel．The fruit is 6.5-8.3 cm in diameter and 7.5-9.5 cm in transverse diameter．The matured fruit is pink in color．Its young fruit has no green shoulder．The average single fruit weight is 202 g．Its fruit hardness is medium．The soluble solids content is 5.0%，organic acid content is 0.46%．The fruit has good flavor and superior quality．It is highly resistant to TMV，resistant to CMV and leaf mold．It can yield about 111 t · hm-2 in protected fields cultivation．It is suitable to be cultivated in greenhouses in Beijing，Shanghai，Chongqing，Heilongjiang，Jilin，Shanxi，Henan，Hebei and Jiangxi in spring．
2022 Vol. 1 (4): 96-99 [Abstract] ( 111 ) [HTML 1KB] [ PDF 1736KB] ( 266 )
100 A New Chinese Cabbage F1 Hybrid —‘Xinkexiaobao 26’
WANG Xiaoling，XIAO Yan，LIU Xuesheng，YUAN Jingyun，YUAN Ranghua，CHANG Huaicheng，ZHANG Qianqian
‘Xinkexiaobao 26’is a new mid-late maturing Chinese cabbage F1 hybrid bred by crossing self-incompatible line‘Shan 5201’as female parent and self-incompatible line‘J47858’as male parent．Its growth period is about 72 days．The plant is 30-35 cm in height and 60-75 cm in width．Its leaf balls are of stump and overlapping type．The outer leaves are dark green in color，the head center leaves are light yellow in color．The spherical index is 0.89-1.26．The net vegetable rate is over 70%．The soft leaf rate is about 52%．The net weight of a single ball is about 3 kg．The total soluble sugar content is 2.47%，and crude fiber content is 0.62%．In fields，its resistance to virus disease，downy mildew and soft rot is equivalent to that of the contrast variety‘Qinbai No.2’．Its net vegetable yield is about 105 t · hm-2．It is suitable for autumn cultivation in Henan，Hebei，Shanxi，Shandong，Shaanxi areas，where people like Chinese cabbage of stump and overlapping type．
2022 Vol. 1 (4): 100-102 [Abstract] ( 146 ) [HTML 1KB] [ PDF 1769KB] ( 288 )
102 A New Thin-Skinned Melon Variety —‘Fengcui No.1’
MA Erlei，ZANG Quanyu，DING Weihong，WANG Yuhong，HUANG Yunping，HAO Fangmin
‘Fengcui No.1’is a new thin-skinned melon variety obtained through purification and improvement of the local variety‘Heipishaogua’in Ningbo，Zhejiang Province．It is of medium maturity．Its whole development period is about 97 days and total fruit growth period is about 34 days in spring cultivation．Its whole development period is about 75 days and total fruit growth period is about 31 days in autumn cultivation．The plant has strong growth potential and strong fruiting setting ability．In spring cultivation，its fruits are mainly planted with grandson vine，and in autumn cultivation both son vine and grandson vine can bear melon．The fruit is of sharp cylindrical shape．Its pericarp is dark green in color，covered with shallow green furrows．Its pulp is green in color，flesh is orange in color．The fruit tastes crisp and sweet．The central sugar content is 12.52%．The single fruit weight is about 1.1 kg．It is moderate resistant to powdery mildew and downy mildew．The fruit is not easy to crack，and is tolerant to storage and transportation．This variety can yield about 34.5 t · hm-2．It is suitable for protected field cultivation in spring and autumn in the middle and lower reaches of the Yangtze River．
2022 Vol. 1 (4): 102-104 [Abstract] ( 120 ) [HTML 1KB] [ PDF 1729KB] ( 355 )
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2022 Vol. 1 (4): 105-109 [Abstract] ( 189 ) [HTML 1KB] [ PDF 1470KB] ( 553 )
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2022 Vol. 1 (4): 110-114 [Abstract] ( 120 ) [HTML 1KB] [ PDF 915KB] ( 271 )
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2022 Vol. 1 (4): 115-120 [Abstract] ( 137 ) [HTML 1KB] [ PDF 4199KB] ( 399 )
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2022 Vol. 1 (4): 121-126 [Abstract] ( 88 ) [HTML 1KB] [ PDF 7020KB] ( 454 )
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2022 Vol. 1 (4): 127-130 [Abstract] ( 155 ) [HTML 1KB] [ PDF 5126KB] ( 410 )
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