Which of the following Weedicide is used in maize crop?
Which of the following Weedicide is used in maize crop?
The most popular/well-known herbicides which have been found to be effective when applied as a post-emergence for effectively control of weeds in CA-based maize system are Atrazine, Tembotrione (Laudis), Halosulfuron methyl (Sempra), Tembotrione (Laudis) + Atrazine, Halosulfuron methyl (Sempra) + Atrazine [58].
What chemical is used to control weeds maize?
Lumax. The established benchmark for maize weed control for several years. Lumax herbicide is very strong on a wide spectrum of weeds, but can struggle on large Amaranthus and Gallant Soldier. The strongest option on grass weeds, which must still be small but it controls Brome, Ryegrass, Napier Grass as well as Setaria …
Which herbicide is used for pre emergence in maize?
Atrazine
Apply Atrazine @ 0.25 kg/ha as pre-emergence on 3-5 DAS followed by 2,4-D @ 1 kg/ha on 20-25 DAS, using Backpack/Knapsack/Rocker sprayer fitted with a flat fan nozzle using 500 litres of water/ha.
How do I use Atrazine 50 WP?
It can be used both as pre-emergence and post-emergence herbicide up to 2-3 leaf stage of weeds. prevents the germination of both narrow and broad leaf weeds and also kills the germinated weeds. Time of application: Maize :Immediately after Sowing (pre-emergence). Sugarcane: Pre-emergence on weed free soil.
What is contact herbicide?
Contact herbicides kill the part of the plant in contact with the chemical but the roots may survive and the plant may regrow. Broad spectrum (non-selective) herbicides will kill most plants they encounter.
How do you spray herbicide in maize?
Plant 1 or 2 rows of beans between 2 maize rows. The aim is that after 7 weeks, the beans will cover the soil surface and smother the weeds. Apply herbicide after planting when soil is moist or if water is expected ithin 7 days, BUT before crops and weeds emerge. Use your normal walking speed when spraying.
How do you use atrazine in maize?
Maize pre-emergent herbicide combinations: Metolachlor 1.5 Litres/ha + Atrazine 3 -5 Litres/ha. Mix these two herbicides in 200 litres of water and apply immediately after planting or within three days after planting when the soil is relatively moist.
How to control weeds in maize crops?
They are always hardy and difficult to control; most times, farmers often use pre-emergence herbicide after planting to keep the weeds at bay for about 3months. Then, the maize can outwit the weeds. When weeds invade a maize farm, the maize crops become less vigorous and several disturbing signs are seen on the crops.
What is weed management in maize plantation?
Weed Management in Maize Plantation. A weed is any plant growing in a wrong place, usually considered undesirable. Weeds compete with the crop of interest for growth factors including nutrients, moisture and space, and may completely suppress the crop if uncontrolled. Besides, they harbour pests and diseases which can significantly reduce yields.
When does maximum weed competition occur in maize?
Maximum weed competition in maize occurs during the period of 2 to 6 weeks after sowing. This suggests the importance of maintaining the field weed free during this critical period of weed competition.
What are the pre-emergence herbicides used on maize farm?
Pre-emergence herbicides used on maize farm are: These herbicides must be applied immediately after planting. They help prevent the weed seeds from germinating, thus, eliminating the cost of weeding and keeping the farm free from weed for a reasonable period before harvesting.
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