auxin🪀🍷🌺 Flashcards
observed the process phototropism by
c darwin and f darwin
1st observed in
canary grass responded to unilateral illumination
tip of coleoptile was the site of
transmittable influence ie auxin causing bending of all coleoptile
isolated by
fw went from tips o cpoleoptile of oat seed________________ 1st isolated from human urine
biosynthesis of auixn
tryptophan amino acid + zn2+ ion
at both root apex and shoot; transport of auxin is polar
natural auxin
iba- from plants
most widely occuring in palnts
iaa
syntheticc auxin
naa
2-4d
syntheticc auxin used in
agri and horticulture
decapicitation results in
widely applied in
growth of lateral buds
tea plantations, hedge making
mainly helps the cell in
cell division and elongaltion;
also controls in xylem differentiation
root initiation
promoted by iba and naaa
prevent premature abscission of _____ leaves
promotes abscission of ______ leaves
plant organs
older leaves and fruits
flower initiation
promotes flowering in pineapple and litchi
parthenocarpy
seed less fruits– by spray iaa in tomato