[ (4,6 -dimetoxi-2-pirimidina) amina] carbonil] amina] sulfonil] -N,N-dimetil-3-piridinacarboxiamida} em relação a plantas não tratadas. Verificou-se que o herbicida afetou significativamente alguns dos aspectos biológicos estudados (altura de plantas e de espigas, número de fo lh as , co mpri ment o e la rg ur a de fo lh as e estande final) e não afetou os relacionados com a posição relativa das espigas, o diâmetro do colmo, a s p o r c e n t a g e n s d e a c a m a m e n t o e d e qu ebr am en to . A pr od ut iv id ad e es ti ma da do s híbr idos trat ados não foi afet ada pela apli caçã o do pr od ut o, co m ex ce çã o da es ti ma da pa ra o híbrido HT 2X.Palavras chave: Zea mays, herbicida pós-emergente, sulfoniluréias. , re la te d wi th th e co rr es po nd in g ch ec k. Th e he rb ic id e si gn if ic an tl y af fe ct ed so me of th e biological studied aspects (plant and ear height, leaves number, leaves length and width, and the final stand). Ear relative position, stalk diameter, stalk lodging and breaking percentages of plants treat ed with nicosulfuron was not diffe rent from that of the untreat ed control . The estimat ed yield of the corn hybrids treated weren't affected by the product, with the exception of HT 2X estimated production.
ABSTRACT
Corn hybrids response to nicosulfuron. I -Biological and production aspects
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