pre-emergent

pre-emergent

(ˌpriːɪˈmɜːdʒənt)
adj
not yet having emerged
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References in periodicals archive ?
The incorporation of pre-emergent herbicides is higher in tine seeders and they are better at controlling grass weeds.
Specifically, I gained additional knowledge on potential situations and conditions resulting in poor herbicide performance as well as the factors affecting pre-emergent herbicide efficacy.
Aerate before applying any spring pre-emergent herbicides, which form a barrier at the soil surface to prevent weeds from germinating.
The pre-emergent chemical herbicide Gallery has been the most effective tool so far, ecologists said, but the product is expensive and often requires follow-up with a broad-spectrum herbicide such as Telar or spot treatment with glyphosate such as the brand Roundup.
Butachlor Market: General Outline Butachlor also known as 'Machete' is an organic herbicide that belongs to the acetanilide group of chemicals, and is utilized as a pre-emergent selective herbicide employed against grasses.
* April / May -- Broadleaf Weed Control / Pre-Emergent Crabgrass.
The Lodi Winegrape Commission's grower outreach and education program encouraged growers to use less of the higher risk pre-emergent herbicides such as Simazine, Diuron, Solicam and Surflan in favor of contact herbicides, particularly formulations of glyhphosate (e.g., RoundUp), which were much lower risk.
The final observations like germination percentage, Pre-emergent and post emergent seedling death and percent disease incidence was calculated using the formula
We located most nests at a very early pre-emergent phase (number of nest cells when a colony was registered for the first time averaged 6 [+ or -] 6 (range: 1-24); however, we located some colonies late in the pre-emergent phase.
Fie was a key contributor in making Authority[R] herbicide a leading brand in the soybean pre-emergent market and also helped elevate Authority as a "Top of Mind" brand in preemergents.
First of all the process of pests destroying is simplified due to the elimination of Herbicides in the pre-emergent period and in the vegetation period.