Page 23 - 04 Cotton SA October 2014

Nuus – News

Katoen Saadbehandeling

aadbehandeling word al dekades gebruik oorplant dienooreenkomstig verlaag.
om saad te beskerm teen graaninsekte,
Sasook om saailinge ekstra beskerming te Aalwurm is ‘n uitdaging wat al hoe meer sy
gee teen veral peste en saailingsiektes. tol eis nadat Aldicarb van die mark onttrek is.
Verskillende spesies val katoen aan, waaronder aalwurm teenwoordig is, sal addisionele
Katoen plantsaad is geen uitsondering nie en ‘n knopwortel- en letselaalwurm die vernaamste beheer egter toegepas moet word. Hierdie
verskeidenheid saadbehandelingsprodukte is is. Hierdie mikroskopiese organismes val die pakket sal ‘n sistemiese insekdoder insluit
op die mark beskikbaar. Die grootste voordeel wortels van die katoenplant aan en beskadig wat sekere suigende insekte beheer, asook
van saadbehandeling is dat die meeste die wortelselle in so mate dat water- en twee swamdoders wat saailingsiektes beheer.
produkte sistemies opgeneem word deur die voedingstofopname belemmer word met Bestellings moet vooraf geplaas word om
saailing en onmiddelik vir die plant beskikbaar gevolglike oesverliese. Monsanto bied in beskikbaarheid te verseker.
is tydens ontkieming. Hierdie is veral voordelig die komende seisoen ‘n nuwe opsionele
by katoen aangesien die katoensaailing saadbehandeling aan wat geregistreer is In hierdie moeilike ekonomiese tye maak dit
geweldig kwesbaar is tydens die eerste 4 tot om aalwurm op katoen in ‘n vroeë stadium verseker sin om jou oes so vroeg moontlik
6 weke van ontkieming en vestiging. ‘n Goeie te help beheer. Die eerste strookproewe teen soveel moontlike skade te beskerm. Oor-
kombinasie van saadbehandelingsprodukte wat in die Noord Kaap aangeplant plant is duurplant!
sal die katoensaailing se kanse tot goeie was toon ‘n ekonomies regverdigbare Fanie Friis, Monsanto
vestiging aansienlik verbeter en die risiko vir opbrengsverhoging. Indien ‘n baie hoë druk
The importance of planting as early as possible

planting can proceed when soil temperatures Let us take an example of a fi eld with
are ideal for germination. (18 degrees Celsius a yield potential of a 1,000 kg seed
for approximately 10 days). This can occur cotton per ha. The planting date is 5
between 15 October and 15 November. December, the seedling emerges on 12
However, in the case of dry land production, December, 27 days after 15 November.
this maybe further delayed until suffi cient Theoretically the yield will be down by 27%.
moisture has accumulated in the seed bed. i.e. 270 kg seed cotton per ha. Now you
This can be delayed to as late as the end of must decide, is it worth it or not? A further
November. consideration is an onset of an early winter,
then that yield can come down to 600 kg per
The question is, what eff ect will the planting
date have on yield? There is a lot of data ha.
proving that the ideal planting time is 15th The photo shows Mr Frans Malela holding
October to 15th November, but what if this is a plant which was planted on the 5th of
delayed by late rain? December, when an early cold spell prevented
heoretically, the right time to plant is Many years ago, a wise cotton expert from 40% of the bolls from opening. The yield on
10 days after the Spring equinox (21 Egypt, Mr Nick Vergos, taught me a “rule this farmer’s fi eld was 750 kg per ha, while the
TSeptember). However, this must be of thumb”, which has proved to be rather yield on a neighbouring fi eld, planted at the
adjusted to height above sea level and latitude. accurate: For every day the cotton seedling right time, was 1,400 kg per ha.
Recommendation for South Africa, is that emerges after 15th November, you lose one Percy Macaskill, Cotton SA
percent of the yield potential.

THE COTTON MARKS WHERE TO OBTAIN LABELS BEARING THE COTTON MARK
The following local label manufacturers are the only licensed vendors
he Cotton Mark is a registered trademark launched by authorised to manufacture labels bearing the cotton marks:
South Afri can cotton producers as a quality mark for Julius Solomon Cape Town 021 511 3135
T cotton merchan dise. Since 1985, the use of the Cotton International Trimmings Cape Town, Johannesburg
Mark was granted to most of the important players in the
cotton pipeline and the mark has become a true standard Durban 021 590 1100
against which all cotton produce is measured. PMC Sewing Systems Pinetown Johannesburg 031 700 4275

Cotton contacts • Katoenkontakte

SAKPO 012-804 1462 Corporation 086 069 3888 SACGA 012-804 1462 Cotton/Katoen SA 012-804 1462/67
NAMC 012-341 1115 Cargill Cotton 011-799 2000 SACTMA 011-615 4007 Vaalharts Pluismeule 053-474 0115
Lever Ponds Pty Ltd 011-802 5770 Kleinboer Opleiding (Katoen SA) SATIEC 021-577 4200 Noord-Kaap Pluismeule 082 948 2569
Monsanto 011-790 8200 012-804 1462 TEXFED 011-615 4007 Loskop Pluismeule 013-261 1498
Industrial Development ARC-IIC 014-536 3150 Weipe Pluismeule 015-533 3021 GWK Pluismeule 053 581 0037

Katoen SA Cotton 23 September 2014