leaf formation

Listing 1 - 10 from 242 for leaf formation

... to form. Under normal conditions, it takes about six to eight weeks after needle or leaf formation before the growth increment is fully formed. This tree was wounded around the third week ... protection wood is called false heartwood, because the death of branches triggers the process. Heartwood formation in oaks is a genetically controlled aging process. The false heartwood, like heartwood, resists ...
home.ccil.org

Garlic, Commercial Vegetable Production Guides, North Willamette Research and Extension Center
... storage leaf formation after a period of cold treatment. Also, the longer the cold treatment, the shorter the critical photoperiod required for storage leaf induction (and subsequent bulb formation). A ... a clove. Temperatures during growth determine the rate of leaf growth, clove, and flower stalk development. Clove formation in non-bolting types differs slightly in that lateral-bud primordia ...
oregonstate.edu

OSU PCMB - Dr. Val Raghavan's Profile
... Laboratory: 614.292.0238 Fax: 614.292.5379 e-Mail: Focus: Embryogenesis and seed formation in flowering plants including somatic embryogenesis and pollen embryogenesis. Research Interests: Dr Raghavan’ ... reviewed publications from 2000 to date are listed below. V. Raghavan. 2005. Control of leaf formation and somatic embryogenesis in cultured zygotic embryos of Arabidopsis thaliana by 2,4- ...
www.biosci.ohio-state.edu

Institute of Plant Sciences - Development - Leaf development
... leaf formation was completely inhibited but stem growth and meristem maintenance proceeded normally. The resulting structure is called an “NPA-pin” (Reinhardt et al., 2000). IAA application to NPA-pin restores leaf formation. When the auxin IAA is applied to the flank of the NPA pin, leaf formation is restored at the position of application. ...
www.botany.unibe.ch

Clematis on the Web
... , a 'habitat' shot showing the whole plant, and a photo each for bud, seedhead and leaf formation. In the first instance, please e-mail us using this link.
www.clematis.hull.ac.uk

Clematis on the Web
... , a 'habitat' shot showing the whole plant, and a photo each for bud, seedhead and leaf formation. In the first instance, please e-mail us using this link.
www.clematis.hull.ac.uk More from this site

Tomato Leaf Roll
... will be abnormally elongated. Leaf veins will appear lighter in colour and more parallel then unaffected leaves. Fruit may become abnormally pointed or catfaced with limited seed formation. Ripe fruit may be firmer and harder to remove from the plant. Tomato Yellow Leaf Curl Virus: The tomato yellow leaf curl virus (also referred to as tomato leaf curl), is ...
gardenline.usask.ca

Botany online: Growth - Differentiation - Pattern Formation - Long Distance Transport
... - Differentiation - Pattern Formation - Long Distance Transport Growth, Differentiation, Pattern Formation and Translocation Polarity and Gradients Pattern Formation Growth and Differentiation Translocation of Ions, Assimilates, and Effectors Literature ... shoots or leaves, the regular distribution of guard cells or hairs at the leaf surface and the time of flower formation. © Peter v. Sengbusch ...
www.biologie.uni-hamburg.de

Sigillaria leaf scars
... Sigillaria leaf scars Syringodendron The circular structures on this sigillaria specimen are traces of vascular bundles (veins) ... layer of coal covers much of the outside of this specimen. Rock Type: Sandy shale Formation: Kanawha Interval: Coalburg seam Age: Middle Pennsylvanian Period, approx. 307 million years. Location: Nicholas County ...
www.clearlight.com

Sigillaria leaf scars
... Sigillaria leaf scars Syringodendron (Specimen I.D. WV-98a) Rock Type: Sandy shale Formation: Kanawha Interval: Coalburg seam Age: Middle Pennsylvanian Period, approx. 307 million years. The double scar ...
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