Tolerance of 'Tifton 85', 'Jiggs', and 'Coastal' bermudagrass (Cynodon dactylon) to postemergence herbicides /

'Tifton 85'variety in the field. Applications of picloram +

Bibliographic Details
Main Author: Brooks, John Robert, 1971-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:'Tifton 85'variety in the field. Applications of picloram +
0.004 and 0.008 kg ha-1', triasulfuron at 0.01 5 and 0.03 kg
1995 greenhouse study, deleterious effects were observed
1996 greenhouse studies. Comparable results were observed
2,4-D and dicamba both increased forage production when
2,4-D, metsulfuron, triasulfuron, picloram, dicamba and
all application timings in the field and greenhouse.
applied to the 'Tifton' variety caused significant injury at
at 0.35 and 0.71 kg ha-', dicamba + 2,4-D at 0.54 and 1.08
bermudagrass varieties to applications of postemergence
compared to an untreated check. In the fall greenhouse
D, and dicamba in the field. Similar results were noted
evaluated on greenhouse grown plants by comparing dry matter
exhibited injury to the 'Jiggs' variety. Glyphosate, when
Field studies conducted in the summer of 1995 and greenhouse
forage production. In the 1996 greenhouse study, picloram +
forage weights. In the 'Coastal' variety moderate injury was
from 2,4-D, metsulfuron, triasulfuron, and dicamba
from applications of picloram + 2,4-D, dicamba + 2,4-D,
from glyphosate application in the 'Jiggs' variety. In the
glyphosate applied at 0.56 kg ha-1'. Crop phytotoxicity in
glyphosate all decreased forage production compared to the
greenhouse study, only picloram and metsulfuron treatments
greenhouse study. Metsulfuron exhibited deleterious effects
ha-, picloram at 0. 14 kg ha-', dicamba at 0.56 kg ha-', and
herbicides. Treatments evaluated included picloram + 2,4-D
in the 1996 greenhouse studies. Positive effects were
injury to 'Tifton' while the dicamba application increased
kg ha-', 2,4-D at 0.53 and 1.06 kg ha-', metsulfuron at
length/density, and forage production. Phytotoxicity was
metsulfuron, picloram, dicamba, and glyphosate. In the 1996
observed following the application of picloram + 2,4-D, 2,4-
observed from applications of glyphosate in the fall
studies in the fall of 1995 and the spring of 1996 evaluated
study, picloram + 2,4-D, picloram, and glyphosate, caused
the field was measured by recording visual injury, plant
the response of 'Coastal', 'Jiggs', and 'Tifton 85'
treatments in the 1995 greenhouse study, and by 2,4-D in
Triasulfuron at 0.03 kg ha-' also exhibited injury to the
untreated areas.
Item Description:"Major subject: Agronomy".
In title, numerals are used.
Vita.
Physical Description:xi, 47 leaves ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.