The Affection Business News
Below is the articulation to the affection business account from Dr. Don Shurley for July 6, 2017. He discusses the USDA acreage address and its aftereffect on the affection market.
Cotton Layby Options…
This time of year growers generally ask about layby options for cotton. Factors such as affection admeasurement and weed breed can access these decisions. Below is advice on layby or directed applications in affection from Stanley Culpepper. If you accept questions amuse feel chargeless to acquaintance the Colquitt County Extension office.
DIRECTED APPLICATIONS – ROUNDUP AND/OR LIBERTY SYSTEMS
Liberty should not be activated as a layby analysis as a agency of complete aggressive management, behindhand of affection technology. It is analytical that it is preserved for contemporary applications; added options abide and are added effective. Thus, the altercation beneath will focus on Roundup or MSMA layby applications. If affection is not advanced to Roundup, administer alone MSMA mixes.
Palmer amaranth is the ascendant breed present beyond the accompaniment and an appliance of diuron (Direx, other) MSMA or Suprend MSMA is appropriate as these are the best able options; alone Gramoxone diuron (under hoods, no crop contact) is added effective.
Diuron MSMA has abounding strengths with alone two edger ascendancy weaknesses. First, it lacks ascendancy of beyond (>3”) morningglory. Back both Palmer amaranth and morningglory charge to be controlled again one should accommodate 1) Aim, 2) Envoke, or 3) ET with diuron MSMA; accomplish assertive affection is ample abundant for the called product. Second, Diuron MSMA lacks grass control. If Palmer amaranth is not ambiguous but grasses beyond than 0.5” are an issue, Roundup mixtures will be added effective.
Potential ally with Roundup to post-direct accommodate Aim, Caparol, diuron, Dual Magnum (generics), Envoke, ET, Fierce, Staple, Pyrimax, Suprend, Valor (generics), Warrant, and Zidua. Each of these mixtures will be discussed below.
Aim and ET alloyed with Roundup will advance ascendancy of beyond morningglory. Additionally, Aim will accommodate accomplished ascendancy of emerged close spiderwort that is 4” or less. Affection should be at atomic 20” tall, and the aerosol charge be directed absolutely to the coarse allocation of the stem. Aerosol acquaintance with blooming axis tissue will account injury. Neither artefact provides balance control.
Caparol or Diuron alloyed with Roundup will advance ascendancy of morningglory and pigweed. Caparol at 2 pints or diuron (Direx 4 L, other) at 1.5 pints will accommodate some balance ascendancy of small-seeded broadleaf weeds, such as pigweed, if activated. Diuron is usually added able on Palmer amaranth than Caparol. Affection should be at atomic 12” alpine afore administering Caparol or diuron at these rates. Occasionally, bond Caparol or diuron will abate grass ascendancy by Roundup. This is best acceptable to action beneath dry growing altitude with ample grasses. Do not abate the Roundup amount back applying these mixtures.
Dual Magnum, Warrant, or Zidua alloyed with Roundup will not advance ascendancy of emerged weeds but, if activated, will accommodate balance ascendancy of anniversary grasses, (Texas millet is alone suppressed), pigweeds, and some added broadleaf species. Dual Magnum and Warrant will accommodate doveweed and close spiderwort control; abstracts is not accessible with Zidua. Warrant can be directed anytime up to aboriginal bloom; Zidua can be directed from 5-leaf accompaniment to aboriginal bloom, and Dual Magnum can be directed to affection from 3” alpine until 80 canicule above-mentioned to harvest.
Envoke alloyed with Roundup will advance ascendancy of nutsedge, hemp sesbania, and beyond Ipomoea morningglory (not smallflower morningglory). Affection should be at atomic 6” tall. Preliminary analysis indicates Envoke has added balance action on broadleaf weeds than originally anticipation but balance action is not able in authoritative Palmer amaranth. Palmer amaranth aggressive to Envoke and added ALS inhibitors is present in abounding Georgia fields.
Fierce is a admixture of the alive capacity in Valor and Zidua and can be acclimated in the aforementioned address as Valor discussed aloof below. Back alloyed with Roundup, it is a actual able herbicide accouterment ascendancy of emerged weeds and balance ascendancy already activated. Notable escapes from the balance basic of the affairs accommodate Texas panicum and nutsedge. Compared to Valor, greater grass ascendancy and best balance ascendancy can be empiric with Fierce.
Staple LX or Pyrimax alloyed with Roundup will advance ascendancy of hemp sesbania, morningglory (except alpine morningglory), overextension dayflower, close spiderwort, and glyphosate-resistant Palmer amaranth that is non-ALS resistant. Accomplished balance ascendancy of affected weeds will additionally be empiric already Staple is activated.
Suprend is a admixture of the alive capacity in Caparol and Envoke. Suprend alloyed with Roundup will advance ascendancy of beyond morningglory, nutsedge, and pigweeds. It provides accomplished balance ascendancy of affected weeds. Affection should be at atomic 8” alpine back directing.
Valor SX alloyed with Roundup will advance ascendancy of doveweed, beyond morningglory, Florida pusley, close spiderwort and glyphosate-resistant Palmer amaranth. Outflank, Panther, and Rowell accept the aforementioned alive additive as Valor, as able-bodied as several added generics. Affection should be at atomic 18” alpine with a absolutely “woody” axis afore this aggregate is absolutely directed to the basal 1- to 2-inches of the affection stem. Add nonionic surfactant at 1 qt per 100 gal aerosol band-aid if Roundup cast requires adjuvant. DO NOT use crop oil concentrate, methylated berry oil, organo-silicone adjuvants, or any accessory artefact absolute these. Valor, already activated, will accommodate accomplished balance ascendancy of pigweed breed including Palmer amaranth, Florida pusley, and abounding added broadleaf weeds. Valor has a actual favorable rotational package, see label.
Peanut crop abrasion and catchbasin mixtures: I accept accustomed a few comments from growers about peanut crop acknowledgment and tankmixes on peanut. Beneath are comments from Dr. Eric Prostko, UGA Peanut Edger Scientist, on this subject.
There are too abounding variables to accede including the cardinal of articles in the aerosol tank, GPA, air temperature, humidity, blade wetness, all-embracing peanut bulb health, and time of day. I anticipate allotment of the botheration aftermost anniversary was our college than accustomed temperatures. A few tips for growers because spraying abstinent tank-mixes:
a) Limit the cardinal of articles that are put in a aerosol tank. Bite the ammo and accomplish abstracted applications back practical.
b) Aerosol aboriginal in the morning back air temperatures are lower and the peanut plants accept not been baking in the sun all day.
c) Increase baptize volumes from 10 GPA to 15 GPA (less concentrated aerosol droplets).
The afterward is a acceptable advertisement to accumulate accessible at this time: Tank-Mixing Chemicals Activated to Peanut Crops: Are the Chemicals Compatible?. This advertisement can be accessed from the web at the afterward location:
Irrigation Abortion in Corn
Last anniversary I accustomed a few questions about blah irrigation termination. We accept accustomed a few showers this weekend and Monday and this ability accept answered those questions. For top yields, abide to adulterate as bare until the kernels are physiologically mature. This is back a atramentous band has formed at the abject of the kernel. Back a blah ear has about 85 percent of the kernels assuming atramentous band accumulation again it is advised physiologically mature. Physiologically complete agency that the ear has accomplished its best dry weight. The atramentous band keeps baptize or dry amount from appointment into the kernel. This usually happens about 60 canicule afterwards silking.
Producers can additionally attending for the milk band to actuate how continued you accept until atramentous layer. The milk band separates the solid from the aqueous allocation of the kernel. It takes about 11 canicule for the milk band to move from aboriginal cavity date to bisected milk line. Again it will booty about 6 canicule for the milk band to get from bisected milk band to 3/4 milk line. Back the atom has accomplished 3/4 milk band it will booty addition 7 canicule to ability atramentous layer.
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