Sedative
发表于 2025-3-23 10:25:33
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长矛
发表于 2025-3-23 17:07:28
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aggravate
发表于 2025-3-23 18:40:57
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宽度
发表于 2025-3-24 02:09:30
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不断的变动
发表于 2025-3-24 05:26:25
Ultrastructural Studies on Callus Development and Somatic Embryogenesis in Zea mays Lplies the de novo development of meristems on the immature embryo from which new expiants originate. In the case of indirect regeneration, the development of new plantlets from the expiant is interrupted by an intervening callus phase. A second distinction in the regeneration process is made between
洁净
发表于 2025-3-24 06:59:29
Maize × , Hybridization and the Potential for Apomixis Transfer for Maize Improvement al. 1976,1981, 1983a; Brink and de Wet 1983; Doebley 1984), which occupy many ecologically distinct niches and habitats (Table 1). Most species are described as diploid or tetraploid, though a few have ecotypes at both ploidy levels. Meso-America is considered to be the center of diversity of the g
Bouquet
发表于 2025-3-24 10:56:08
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Additive
发表于 2025-3-24 15:40:38
Wheat × Maize Crosses for the Production of Wheat Haploidss been particularly successful in cereal species, where its applications can be considered under two broad headings. Firstly, karyotypically stable crosses, which give rise to hybrid plants, can be used to enlarge crop gene pools by introducing germ-plasm from related wild or cultivated species (de
ECG769
发表于 2025-3-24 21:28:30
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袖章
发表于 2025-3-24 23:24:29
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