plant structure terms for Banana [feedback needed]

Pankaj Jaiswal pj37 at cornell.edu
Thu Feb 15 12:01:55 EST 2007


Hi Everyone,

I just received a request from "Rouard, Mathieu (Bioversity-France)" 
<M.ROUARD at CGIAR.ORG> on various plant structure (PSO) terms that they 
use for evaluating standard phenotypes of a Banana plant. These are 
based on the document listed at 
(http://bananas.bioversityinternational.org/files/files/pdf/publications/descriptors_en.pdf). 
Attached is the edited part that is required for determining PSO terms. 
Please take a look and let me know what is the best way to proceed on 
getting these terms in the PO (plant structure) either as stand alone 
terms or as synonyms.

Here is a list I was able to compile based on the attached document. 
Also listed are the terms that are already present in PSO section of 
Plant Ontology.

1  Pseudostem
2  sucker = PO:0004544 : root borne shoot
3  leaf III--> a very specific instance
4  cigar leaf
	--> a very specific instance similar to the 'flag leaf' we have
	   in PSO for cereals.
5  Bunch
6  male bud
7  rachis = PO:0020122 : inflorescence axis
8  peduncle =  PO:0009053 : peduncle
	However I am not sure if this is a correct term based on our
	definition of peduncle "The stalk of an inflorescence; that part
	of the inflorescence below the first flower or inflorescence
	branch and above the last foliage leaf/pair of foliage leaves.
	
	Based on what appears for Banana (in attached document) to me
	looks like the most appropriate terms is
	PO:0020122 : inflorescence axis
	Definition: The central supporting structure around which
		    flowers are borne.

9  petiole canal
10 petiole margin
11 wing (petiole wing)
12 Blotch--not necessarily a PO term. Its just colored spots
13 leaf blade = PO:0020039 : leaf lamina
14 midrib = synonym of PO:0020139 : midvein
15 leaf sheath = PO:0020104 : leaf sheath
16 petiole = PO:0020038 : petiole
17 bract (first external bract that still clings to the male bud)
18 bract base
19 bract apex
20 bract scar
21 male flower =  generic flower PO:0009046 : flower
22 compound tepal
23 lobes of compound tepal
24 free tepal
25 free tepal apex
26 stigma = PO:0009073 : stigma
27 style = PO:0009074 : style
28 anther = PO:0009066 : anther
29 filament = PO:0009067 : filament
30 ovary = PO:0009072 : ovary






-- 
Pankaj Jaiswal
G-15, Bradfield Hall
Dept. of Plant Breeding and Genetics
Cornell University
Ithaca, NY-14853, USA

Ph. +1-607-255-3103 / 4199
fax: +1-607-255-6683
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