{"title":"Near-isogenic lines for resistance to brown planthopper with the genetic background of Indica Group elite rice (<i>Oryza sativa</i> L.) variety 'IR64'.","authors":"Md Mostofa Kamal, Cuong Dinh Nguyen, Sachiyo Sanada-Morimura, Shao-Hui Zheng, Daisuke Fujita","doi":"10.1270/jsbbs.22093","DOIUrl":"10.1270/jsbbs.22093","url":null,"abstract":"<p><p>The brown planthopper (BPH), <i>Nilaparvata lugens</i> Stål, is an insect pest that severely damages rice (<i>Oryza sativa</i> L.) in Asia, causing huge yield loss. Use of resistant variety is a cost-effective and eco-friendly strategy for maintaining BPH populations below the economic injury level. However, current BPH populations have been changed to virulence against resistant varieties. In this study, to estimate effective combinations among eight BPH resistance genes (<i>BPH32</i>, <i>BPH17-ptb</i>, <i>BPH20</i>, <i>BPH17</i>, <i>BPH3</i>, <i>BPH25</i>, <i>BPH26</i> and <i>qBPH6</i>), eight near-isogenic lines with the genetic background of an Indica Group rice variety 'IR64' (IR64-NIL) were developed using marker-assisted selection. The genome recoveries of these NILs ranged from 89.3% to 98.8% and agronomic traits of them were similar to those of 'IR64'. In modified seed box screening test, resistance level of IR64-NILs was higher than that of 'IR64'. In antibiosis test, high adult mortalities of BPH (from 56.0% to 97.0%) were observed among NILs, in comparison with that of 'IR64'. Among IR64-NILs, the line carrying <i>BPH17</i> showed the highest resistance level at all tests. Thus, these IR64-NILs with multiple BPH resistance genes could be valuable breeding lines for enhancing resistance levels by gene pyramiding and multiline variety.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"278-289"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570883/pdf/73_278.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Allyl isothiocyanate and 6-(methylsulfinyl) hexyl isothiocyanate contents vary among wild and cultivated wasabi (<i>Eutrema japonium</i>).","authors":"Kyoko Yamane, Tomoe Yamada-Kato, Natsuko Haga, Kaori Ishida, Seiji Murayama, Keiko Kobayashi, Isao Okunishi","doi":"10.1270/jsbbs.22080","DOIUrl":"10.1270/jsbbs.22080","url":null,"abstract":"<p><p>Wasabi (Japanese horseradish, <i>Eutrema japonicum</i>) is the only cultivated species in the genus <i>Eutrema</i> with functional components that provide a strong pungent flavor. To evaluate genetic resources for wasabi breeding, we surveyed variations in the two most abundant isothiocyanate (ITC) components in wasabi, allyl isothiocyanate (AITC) and 6-methylsulfinyl (hexyl) isothiocyanate (6-MSITC, hexaraphane). We also examined the phylogenetic relationships among 36 accessions of wild and cultivated wasabi in Japan using chloroplast DNA analysis. Our results showed that (i) the 6-MSITC content in currently cultivated wasabi accessions was significantly higher than in escaped cultivars, whereas the AITC content was not significantly different. (ii) Additionally, the 6-MSITC content in cultivated wasabi was significantly lower in the spring than during other seasons. This result suggested that the 6-MSITC content responds to environmental conditions. (iii) The phylogenetic position and the 6-MSITC content of accessions from Rebun, Hokkaido Prefecture had different profiles compared with those from southern Honshu, Japan, indicating heterogeneity of the Rebun populations from other Japanese wasabi accessions. (iv) The total content of AITC and 6-MSITC in cultivated wasabi was significantly higher than that of wild wasabi. In conclusion, old cultivars or landraces of wasabi, \"zairai\", are the most suitable candidates for immediate use as genetic resources.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"237-245"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570882/pdf/73_237.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Elucidation of genetic variation and population structure of melon genetic resources in the NARO Genebank, and construction of the World Melon Core Collection.","authors":"Gentaro Shigita, Tran Phuong Dung, Mst Naznin Pervin, Thanh-Thuy Duong, Odirich Nnennaya Imoh, Yuki Monden, Hidetaka Nishida, Katsunori Tanaka, Mitsuhiro Sugiyama, Yoichi Kawazu, Norihiko Tomooka, Kenji Kato","doi":"10.1270/jsbbs.22071","DOIUrl":"10.1270/jsbbs.22071","url":null,"abstract":"<p><p>Numerous genetic resources of major crops have been introduced from around the world and deposited in Japanese National Agriculture and Food Research Organization (NARO) Genebank. Understanding their genetic variation and selecting a representative subset (\"core collection\") are essential for optimal management and efficient use of genetic resources. In this study, we conducted genotyping-by-sequencing (GBS) to characterize the genetic relationships and population structure in 755 accessions of melon genetic resources. The GBS identified 39,324 single-nucleotide polymorphisms (SNPs) that are distributed throughout the melon genome with high density (one SNP/10.6 kb). The phylogenetic relationships and population structure inferred using this SNP dataset are highly associated with the cytoplasm type and geographical origin. Our results strongly support the recent hypothesis that cultivated melon was established in Africa and India through multiple independent domestication events. Finally, we constructed a World Melon Core Collection that covers at least 82% of the genetic diversity and has a wide range of geographical origins and fruit morphology. The genome-wide SNP dataset, phylogenetic relationships, population structure, and the core collection provided in this study should largely contribute to genetic research, breeding, and genetic resource preservation in melon.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"269-277"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570884/pdf/73_269.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Breeding SciencePub Date : 2023-06-01Epub Date: 2023-06-27DOI: 10.1270/jsbbs.23002
Yu Wei Sun, Xin Yu Wang, Lu Liu, Qi Zhang, Yong Jing Xi, Pi Wu Wang
{"title":"Cloning and functional study of <i>GmRPI2</i>, which is the critical gene of photosynthesis in soybean.","authors":"Yu Wei Sun, Xin Yu Wang, Lu Liu, Qi Zhang, Yong Jing Xi, Pi Wu Wang","doi":"10.1270/jsbbs.23002","DOIUrl":"10.1270/jsbbs.23002","url":null,"abstract":"<p><p>Light provides energy for photosynthesis and is also an important environmental signal that regulates plant growth and development. Ribose-5-phosphate isomerase plays a crucial role in photosynthesis. However, ribose-5-phosphate isomerase has yet to be studied in soybean photosynthesis. To understand the biological function of <i>GmRPI2</i>, in this study, <i>GmRPI2</i> was cloned, plant overexpression vectors and gene editing vectors were successfully constructed, and transformed into recipient soybean JN74 using the Agrobacterium-mediated method. Using qRT-PCR, we analyzed that <i>GmRPI2</i> gene expression was highest in leaves, second highest in roots, and lowest in stems. Promoter analysis revealed the presence of multiple cis-acting elements related to light response in the promoter region of <i>GmRPI2</i>. Compared with the control soybean plants, the net photosynthetic rate and transpiration rate of the overexpression lines were higher than those of the control and gene editing lines, while the intercellular CO<sub>2</sub> concentration was significantly lower than that of the control and gene editing lines; the total chlorophyll, chlorophyll a, chlorophyll b contents and soluble sugar contents of the overexpression plants were significantly higher than those of the recipient and editing plants, indicating that the <i>GmRPI2</i> gene can increase The <i>GmRPI2</i> gene can increase the photosynthetic capacity of soybean plants, providing a theoretical basis and genetic resources for improving soybean yield by regulating photosynthetic efficiency.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"290-299"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570876/pdf/73_290.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Development of 'Poroshiri', a chip processing potato variety with golden cyst nematode and common scab resistance.","authors":"Mutsuo Tsuyama, Shogo Ogawa, Keiichi Ogawa, Toshiya Igarashi, Emiko Koizumi","doi":"10.1270/jsbbs.22084","DOIUrl":"10.1270/jsbbs.22084","url":null,"abstract":"<p><p>Golden cyst nematodes have threatened the cultivation of 'Toyoshiro', a major potato variety used for chip processing in Japan. Common scab is a soilborne disease that occurs in potato fields worldwide. To solve these problems, we crossed two US varieties and selected a clone that showed a slightly higher marketable yield and a significantly higher yield rate, compared with 'Toyoshiro', and had good chip processing quality, extreme resistance to cyst nematodes, and moderately high resistance to common scab. This clone was named 'Poroshiri'; it is the first variety released from the Calbee Potato breeding program.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"343-348"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570885/pdf/73_343.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Chromatographic printed array strip (C-PAS) method for cultivar-specific identification of sweetpotato cultivars 'Beniharuka' and 'Fukumurasaki'.","authors":"Yuki Monden, Maho Kakigi, Emdadul Haque, Tomoyuki Takeuchi, Kazuto Takasaki, Masaru Tanaka","doi":"10.1270/jsbbs.22101","DOIUrl":"10.1270/jsbbs.22101","url":null,"abstract":"<p><p>Sweetpotato (<i>Ipomoea batatas</i>) cultivars grown in Japan are highly valued for their excellent sweetness, high quality, and good texture. The export volume of sweetpotato from Japan has been rising rapidly, with a 10-fold increase on a weight basis over the last 10 years. However, since sweetpotato is propagated vegetatively from storage roots, it is easy to cultivate and propagate this crop, prompting concerns that Japanese sweetpotato cultivars/lines are being exported overseas, cultivated without permission, or reimported. Therefore, a rapid and accurate cultivar identification methodology is needed. In this study, we comprehensively analyzed the insertion sites of <i>Cl8</i> retrotransposon to develop a cultivar identification technique for the Japanese cultivars 'Beniharuka' and 'Fukumurasaki'. These two cultivars were successfully distinguished from other cultivars using a minimum of two marker sets. Using the chromatographic printed array strip (C-PAS) method for DNA signal detection, 'Beniharuka' and 'Fukumurasaki' can be precisely identified using a single strip of chromatographic paper based on multiplex DNA signals derived from the amplicons of the <i>Cl8</i> insertion sites. Since this method can detect DNA signals in only ~15 minutes, we expect that our method will facilitate rapid, reliable, and convenient cultivar discrimination for on-site inspection of sweetpotato.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"313-321"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570877/pdf/73_313.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mutant <i>Tof11</i> alleles are highly accumulated in early planting-adaptable Japanese summer type soybeans.","authors":"Kunihiko Komatsu, Takashi Sayama, Ken-Ichiro Yamashita, Yoshitake Takada","doi":"10.1270/jsbbs.22098","DOIUrl":"10.1270/jsbbs.22098","url":null,"abstract":"<p><p>To avoid crop failure because of climate change, soybean (<i>Glycine max</i> (L.) Merrill) cultivars adaptable to early planting are required in western Japan. Because current Japanese cultivars may not be adaptable, genetic resources with high early-planting adaptability, and their genetic information must be developed. In the present study, summer type (ST) soybeans developed for early planting were used as plant materials. We examined their phenological characteristics and short reproductive period as an indicator of early planting adaptability and performed genetic studies. Biparental quantitative trait loci (QTL) analysis of a representative ST cultivar revealed a principal QTL for the reproductive period duration on chromosome 11. The results of resequencing analysis suggested that circadian clock-related <i>Tof11</i> (soybean orthologue of <i>PRR3</i>) is a candidate QTL. Additionally, all 25 early planting-adaptable germplasms evaluated in this study possessed mutant alleles in <i>Tof11</i>, whereas 15 conventional cultivars only had wild-type alleles. These results suggest that mutant alleles in <i>Tof11</i> are important genetic factors in the high adaptability to early planting of these soybeans, and thus, these alleles were acquired and accumulated in the ST soybean population.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"322-331"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570879/pdf/73_322.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Breeding SciencePub Date : 2023-06-01Epub Date: 2023-07-07DOI: 10.1270/jsbbs.22094
Anna Ivanova-Pozdejeva, Liina Jakobson, Kai Ilves, Agnes Kivistik, Liina Kann, Jekaterina Aida, Liisa Kübarsepp, Terje Tähtjärv, Kristiina Laanemets
{"title":"Studies of potato resistance to <i>Globodera rostochiensis</i> revealed novel alleles for 57R marker.","authors":"Anna Ivanova-Pozdejeva, Liina Jakobson, Kai Ilves, Agnes Kivistik, Liina Kann, Jekaterina Aida, Liisa Kübarsepp, Terje Tähtjärv, Kristiina Laanemets","doi":"10.1270/jsbbs.22094","DOIUrl":"10.1270/jsbbs.22094","url":null,"abstract":"<p><p><i>Globodera rostochiensis</i> resistance has been an important trait in potato (<i>Solanum tuberosum</i>) breeding for decades. Our aim was to complement phenotypic testing with genetic marker analysis. We analysed the results of <i>G. rostochiensis</i> resistance greenhouse testing in 4601 tubers of 2918 breeding clones from 11 years. Applicability of <i>H1</i> gene markers TG689 and 57R was compared. We implemented the latter with the positive predictive value of 99.1% and negative predictive value of 60.0% into the breeding scheme. The 57R marker alleles of 22 Estonian cultivars and 470 breeding clones were determined. Two unique 57R alleles, 57R-887 and 57R-1155, were found in Estonian cultivar 'Anti'. The 887 bp allele has two deletions (14 bp and 490 bp) accompanied by several other indels and SNPs within the 57R marker region. The 1155 bp allele has three deletions (7 bp, 20 bp and 210 bp) accompanied by several other indels and SNPs within the same region. Partial resistance to <i>G. rostochiensis</i> in 'Anti' suggests that the newly described alleles could affect the <i>H1</i>-mediated resistance directly or indirectly.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"300-312"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570887/pdf/73_300.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Development of 12 sets of chromosome segment substitution lines that enhance allele mining in Asian cultivated rice.","authors":"Kazufumi Nagata, Yasunori Nonoue, Kazuki Matsubara, Ritsuko Mizobuchi, Nozomi Ono, Taeko Shibaya, Kaworu Ebana, Eri Ogiso-Tanaka, Takanari Tanabata, Kazuhiko Sugimoto, Fumio Taguchi-Shiobara, Jun-Ichi Yonemaru, Yusaku Uga, Atsunori Fukuda, Tadamasa Ueda, Shin-Ichi Yamamoto, Utako Yamanouchi, Toshiyuki Takai, Takashi Ikka, Katsuhiko Kondo, Tomoki Hoshino, Eiji Yamamoto, Shunsuke Adachi, Jian Sun, Noriyuki Kuya, Yuka Kitomi, Ken Iijima, Hideki Nagasaki, Ayahiko Shomura, Tatsumi Mizubayashi, Noriyuki Kitazawa, Kiyosumi Hori, Tsuyu Ando, Toshio Yamamoto, Shuichi Fukuoka, Masahiro Yano","doi":"10.1270/jsbbs.23006","DOIUrl":"10.1270/jsbbs.23006","url":null,"abstract":"<p><p>Many agronomic traits that are important in rice breeding are controlled by multiple genes. The extensive time and effort devoted so far to identifying and selecting such genes are still not enough to target multiple agronomic traits in practical breeding in Japan because of a lack of suitable plant materials in which to efficiently detect and validate beneficial alleles from diverse genetic resources. To facilitate the comprehensive analysis of genetic variation in agronomic traits among Asian cultivated rice, we developed 12 sets of chromosome segment substitution lines (CSSLs) with the <i>japonica</i> background, 11 of them in the same genetic background, using donors representing the genetic diversity of Asian cultivated rice. Using these materials, we overviewed the chromosomal locations of 1079 putative QTLs for seven agronomic traits and their allelic distribution in Asian cultivated rice through multiple linear regression analysis. The CSSLs will allow the effects of putative QTLs in the highly homogeneous <i>japonica</i> background to be validated.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"332-342"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570878/pdf/73_332.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Genome-wide association study of ear tip barrenness in waxy maize.","authors":"Xudong Song, Guangfei Zhou, Zhenliang Zhang, Huiming Zhang, Lin Xue, Hui Wang, Mingliang Shi, Huhua Lu, Yuxiang Mao, Guoqing Chen, Xiaolan Huang, Hongjian Zheng, Derong Hao","doi":"10.1270/jsbbs.22056","DOIUrl":"10.1270/jsbbs.22056","url":null,"abstract":"<p><p>Ear tip-barrenness (ETB), which results from aborted kernels or infertile florets at the ear tip, is an undesirable factor affecting the yield and quality of waxy maize. To uncover the genetic basis of ETB, a genome-wide association study (GWAS) was conducted using the genotype with 27,354 SNPs and phenotype with three environments. Five SNPs that distributed on chromosomes 1, 3 and 6, were identified to be significantly associated with ETB based on the threshold of false discovery rate (FDR) at 0.05. Among these significant loci, three SNPs were clustered together and colocalized with genomic regions previously reported. The average length of ETB decreased almost linearly from the inbred lines containing no favorable alleles across the three loci (1.75 cm) to those with one (1.18 cm), two (0.94 cm) and three (0.65 cm) favorable alleles. Moreover, three important genes, <i>Zm00001d030028</i>, <i>Zm00001d041510</i> and <i>Zm00001d038676</i> were predicted for three significant QTLs, respectively. These results promote the understanding genetic basis for ETB and will be useful for breeding waxy maize varieties with high-quality and high-yield.</p>","PeriodicalId":9258,"journal":{"name":"Breeding Science","volume":"73 3","pages":"261-268"},"PeriodicalIF":2.4,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10570881/pdf/73_261.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41232442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}