Comparison of Tamspan 90 peanut component lines for aflatoxin production /

(weight), and NOR was more difficult to extract from peanut

Bibliographic Details
Main Author: Lopez, Yolanda, 1955-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(weight), and NOR was more difficult to extract from peanut
and field performance are correlated.
and pod inoculations with A. flavus and A. parasiticus
by HPLC (r = 0.83 and 0.95, respectively). Neither aflatoxin
coloration was consistently apparent in shells of immature
correlated with quantity of aflatoxin and NOR as determined
cotyledons and testae. External fungal growth and coloration
differences (P < 0.05) among lines when using immature and
Differentiating breeding lines to eliminate highly
dried seed. Although relative NOR production, determined
for differential Aspet*llu,s flavus Links and A. parasiticus
intercotyledonary cavity and the interfacial surface of
laboratory conditions. Required environmental conditions of
most susceptible followed by Starr, 55-437, and J-11,
mutants that produce norsolorinic acid (NOR), an orange-red
nor NOR were efficiently extracted from large samples
of pods did not consistently reflect seed infection. Orange
Orange coloration in seed challenged by NOR A. flavus and A.
orange coloration, classified by color class, were highly
orange coloration. Visual assessments of individual seed for
parasiticus mutants was initially most prominent in the
pigmented precursor of aflatoxin, showed significant
pods. Mature pods varied from none to extensive, splotchy
relative amount of aflatoxin contamination can be made
relative ranking of the four checks showed Pronto to be the
respectively, for production of NOR and aflatoxin. Comparing
seed than aflatoxin. Visual classification of seed for
six lines were found constantly having low NOR production.
Spear growth and aflatoxin production under field and
successfully using A. parasiticus NOR mutants.
sufficient aflatoxin for analytical studies in any of the
susceptible genotypes appears possible if laboratory assay
temperature and moisture were not met for the production of
The 38 lines that comprise 'Tamspan 90' peanut were studied
the pod inoculations test, did not differ at P < 0.05, a
the reactions of the lines in three tests for NOR production,
three field experiments. Laboratory assays involving seed
three-fold difference was observed among the 38 lines. The
visually on the basis of orange-red pigment in the seed from
Item Description:"Major subject: Plant Breeding ".
Vita.
Physical Description:xii, 72 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.