LIMIT
发表于 2025-3-23 13:09:47
Intergeneric Hybridization, Genome Relationships, and Plant Improvement,taploid hybrid (. = 5. = 35) between . and .. The F.hybrid was vigorous but sterile and showed characteristic features of both parents. Its inflorescence was intermediate between the two parents. Although this hybrid was completely sterile and could not be backcrossed onto either parent, it may be p
HAIL
发表于 2025-3-23 16:54:46
Biotechnology in , Improvement,been instrumental in producing superior genotypes. Some improved cultivars have already been released for general cultivation (see Chaps. 8, 11 and 12). Rapid progress has also been made in developing novel gene transfer systems based on recombinant DNA techniques for some crop species. These exciti
主动脉
发表于 2025-3-23 19:43:06
Conclusions and Perspectives,nists. Some of these grasses have gained importance as agricultural crops and play an important role in the economy of several countries in most continents, particularly Europe and North America. In general, there is close proximity among the species of ., among the species of ., and between the spe
mechanical
发表于 2025-3-24 01:59:00
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Obstreperous
发表于 2025-3-24 02:38:38
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Calibrate
发表于 2025-3-24 09:18:29
Antarctic Ocean and Resources Variabilityly prepared Carnoy’s fluid (6:3:1, 95% ethanol: chloroform: glacial acetic acid) containing about 1.5 ml of saturated aqueous solution of ferric chloride per 100 ml of the fixative. The inflorescences may be stored in the fixative at 1 °C until analyzed. Anthers at appropriate stages are squashed in
取回
发表于 2025-3-24 11:20:54
Alina A. Fedotova,Sergey V. Kashin Consequently, this grass has developed several ecotypes. Although most ecotypes (including those widely geographically isolated) are morphologically similar, have the same chromosome number (2. = 42), and are easily crossable, some of them are nevertheless reproductively isolated, as evidenced by t
摇摆
发表于 2025-3-24 17:32:21
Alina A. Fedotova,Sergey V. Kashinariability which, in turn, forms the basis of natural and human selection. Pairing between chromosomes of two taxa can also help determine phylogenetic relationships. Therefore, any factor(s) that control chromosome pairing have phylogenetic, evolutionary and breeding implications (Jauhar 1975f, 198
入会
发表于 2025-3-24 20:06:13
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果核
发表于 2025-3-25 02:29:39
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