“…Among the three different nitrogen levels, maximum plant height (cm) of 38.1, 105.5, 150.9, 169.0 at 30, 60, 90 and 120 DAS, respectively was recorded in N 3 -100 kg N ha The results are in accordance with (Soler et al, 2007); (Pettigrew and Adamezyk, 2008); (Gwathmey and Clement, 2010) Timely planting of crops is essential for root penetration, proliferation and vegetative growth for optimum harvesting of available soil nutrients and solar radiation. Early planted crops may experience some challenges of seedling establishment due to low temperatures and high insect pest incidence.…”
“…Among the three different nitrogen levels, maximum plant height (cm) of 38.1, 105.5, 150.9, 169.0 at 30, 60, 90 and 120 DAS, respectively was recorded in N 3 -100 kg N ha The results are in accordance with (Soler et al, 2007); (Pettigrew and Adamezyk, 2008); (Gwathmey and Clement, 2010) Timely planting of crops is essential for root penetration, proliferation and vegetative growth for optimum harvesting of available soil nutrients and solar radiation. Early planted crops may experience some challenges of seedling establishment due to low temperatures and high insect pest incidence.…”
“…A partir dos 60 DAE, a área foliar foi reduzida linearmente com o aumento da população de plantas (Figura 1c). A maior população de plantas reduziu em 83,26% a área foliar por planta na cultura do algodão colorido BRS Safira, o que indica que as altas populações de plantas reduzem o potencial de assimilação de carbono pelas plantas individualmente, conforme discutido por Gwathmey & Clement (2010).…”
“…Finally, decreases in quantity and quality of the lint due to weathering are reduced in the oldest, first-opened cotton bolls. Valuable contributions on different aspects of using mepiquat chloride in cotton have been presented by Cathey and Meredith (1988), Kerby et al (1986Kerby et al ( , 1996, Cook and Kennedy (2000) and Gwathmey and Clement (2010).…”
Gibberellins and inhibitors of their biosynthesis are widely used in modern agriculture, horticulture and viticulture. Their global market is in the range of US$ 500 million. The gibberellins GA 3 , GA 4 and GA 7 are primarily used to increase fruit yield and/or quality in fruit trees and table and wine grapes. Distinct steps of the gibberellin biosynthetic pathway can be inhibited by growth retardants: chlormequat and mepiquat chloride, ancymidol, flurprimidol, paclobutrazol, uniconazole, and the fungicides tebuconazole and metconazole and daminozide, trinexapac-ethyl and prohexadione-calcium are currently used in crop production. Growth retardants reduce shoot elongation, thereby lowering the risk of lodging in cereals, rice and oilseed rape, and making ornamentals more compact. A better canopy structure with improved formation of reproductive structures is induced in cotton and peanuts. In fruit and nut trees, less pruning is required and increases in crop yield and quality are obtained.
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