Seed formation involves not only the embryo and endosperm development, but also the formation of a series of either ephemeral or non-ephemeral structures. In this article, we study several of those structures in
2. Innovation, competition, and maize The present analysis relies partly on an industrial organization perspective on seed system development—a perspective that is slowly gaining currency in the study of agricultural development (Reardon and Timmer, 2012)—to illustrate the importance of measuring relat...
Plant‐inspired soft bistable structures based on hygroscopic electrospun nanofibers. Adv. Mater. Interfaces 7, 1901310 (2020). Article CAS Google Scholar Krüger, F. et al. Development of a material design space for 4D-printed bio-inspired hygroscopically actuated bilayer structures with unequal ...
Mature dry peas are rich in iron in the form of ferritin, but little is known about the content, form or bioavailability of iron in immature stages of seed development. Using specific antibodies and in-gel iron staining, we show that ferritin loaded with iron accumulated gradually during seed...
MADS-box genes constitute a large family of transcription factors functioning as key regulators of many processes during plant vegetative and reproductive development. Type II MADS-box genes have been intensively investigated and are mostly involved in vegetative and flowering development. A growing number...
Pollen and seed were innovative structures that allowed seed plants to break their dependence on water for reproduction and development of the embryo, and to conquer dry land. The pollen grains are the male gametophytes, which contain the sperm (gametes) of the plant. The small haploid (1n) ...
how can i build structures in minecraft? building structures in minecraft can be a really fun experience. to get started, gather the right tools and materials to create the foundation of your structure. you can then use blocks such as stone, wood, glass, or brick to construct walls, ...
At 24 HAI, the structures surrounding the embryo were penetrated by the radical, and both radical and bud emerged at 36 HAI. The plumule become slightly green and radicals elongated at 48 HAI. Figure 1 Five phases of grain germination used for transcriptome analysis. A, Grain appearance and...
树木发育周期 development cycle of tree 树木在整个生命过程中,由卵细胞受精后形成合子,经过种子时期、幼年时期、青年时期、成年时期、老年时期,直到植株死亡为止的发育过程。 树木年发育周期 yearly developmental cycle of tree 在一年之中,随着季节的变化,树木经发芽.放叶、开花.结实、芽分化和形成顶芽等年复一年的...
capsules, and samaras are absent from trait data bases like TRY28, nor is there a transparent means for comparing reproductive costs across diverse structures and provisioning. For these reasons, species differences in auxiliary structures like fruits and cones are compared here on a qualitative basis...