GROWTH AND YIELD RESPONSE OF AUTUMN PLANTED HYBRID MAIZE TO HORSE PURSLANE (Trianthema portulacastrum) INTERFERENCE
GROWTH AND YIELD RESPONSE OF AUTUMN PLANTED HYBRID MAIZE TO HORSE PURSLANE (Trianthema portulacastrum) INTERFERENCE
Saad Parvaiz1, Khuram Mubeen1*, Mudassir Aziz1 and Tanveer-ul-Haq2
ABSTRACT
The assumed comparative losses of horse purslane’s (vern. It sit) losses relative to
other weeds are higher. The study was conducted during summer season 2018 at Research
Farm Muhammad Nawa Sharif University of Agriculture, Multan, Pakistan on a field having
high infestation history of horse purslane. Study was carried out in a RCBD with three
replications. Experiment consisted of ten treatments viz: weeds free (whole season), horse
purslane free till 20 Days after emergence (DAE), horse purslane free till 40 DAE, horse
purslane free till 60 DAE, all weeds free 20 DAE, all weeds free 40 DAE, all weeds free 60
DAE, weedy check (all weeds), weedy check except horse purslane and weedy check
containing only horse purslane. The data showed the maximum yield and yield related
parameters like plant height (178.49 cm), cob weight (27.88 g), cob length (28.72 cm),
stover yield (10.20 t ha-1), kernel yield (6.86 t ha-1) and growth parameters like crop growth
rate, leaf area index, leaf area duration and net assimilation rate in weeds free (whole
season). In treatment (horse purslane free 40 DAE) kernel yield was higher as compared to
treatments such as horse purslane free 20 DAE and 40 DAE. As the interference duration
increased over 45 days after emergence, significant reduction in yield and growth of maize
was observed. It can be concluded that farmers should control horse purslane within first 45
days in maize field.
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March 2020
Vol. 26, Iss. 1
