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发表于 2025-3-23 09:56:38
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发表于 2025-3-23 17:45:24
The potentials of using dihaploid/diploid genotypes in breeding potato by somatic hybridizationhansson, 1993; Veilleux, 1996) or by parthenogenesis by crossings with certain genotypes of . (Ivanovskaja, 1939; Peloquin and Hougas, 1958; Hermsen and Verdenius, 1973). There are several advantages in breeding at the diploid level (see also Ross, 1986): a) basic genetic analysis is simplified beca
生存环境
发表于 2025-3-23 20:37:04
Cryopreservation of , cultures of graminaceous species capacity of embryogenic cell lines has been found to decrease gradually during maintenance (Lührs and Lörz, 1988; Jähne .., 1991; Datta .., 1992). Therefore, it has been necessary to re-establish cell lines routinely. This is expensive and time consuming and incurs the risk of irretrievable loss th
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发表于 2025-3-24 00:56:28
Book 1996t one of the greatest plant breeding success stories of this century, i. e. , the development of hybrid maize by crosses of inbred lines. One of the main applications of anther culture has been to produce diploid homozygous pure lines in a single generation, thus saving many generations of backcross
知识分子
发表于 2025-3-24 04:24:40
M. R. Davey,N. W. Blackhall,K. C. Lowe,J. B. Power and other communication variables related to the issue of communication in a foreign language. The work also raises teachers‘ awareness of individual learnerdifferences in the context of communication in the foreign-language classroom..978-3-319-86600-0978-3-319-59333-3Series ISSN 2193-7648 Series E-ISSN 2193-7656
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闹剧
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mediocrity
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prodrome
发表于 2025-3-24 20:14:20
Andrew McCubbin,Teh-Hui Kaonvestigation of the relationship between language and action..This book is written for readers from different academic backgrounds; from graduate students to established academics in disciplines ranging from ne978-981-10-1355-3978-981-4585-84-2
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发表于 2025-3-25 01:51:51
E. A. Carbonell,M. J. Asínsnvestigation of the relationship between language and action..This book is written for readers from different academic backgrounds; from graduate students to established academics in disciplines ranging from ne978-981-10-1355-3978-981-4585-84-2