Production and rooting of cordia - Cordia trichotoma (Vell.) Arrab. ex Steud. mini-cuttings collected from ministumps of asexual and seminal origin
2015
Paula Kielse | Dilson Antônio Bisognin | Kelen Lencina Haygert | Uilian Stefanello Mello | Nathalia Pimentel | Marcelo Artur Raube
This study aimed to evaluate the production of cordia (Cordia trichotoma) ministumps of seminal and asexual origin, as well as the effect of the naphthaleneacetic acid (NAA) on the rooting of mini-cutitings. Seedlings and plantlets from rooted cuttings were pruned to form a clonal mini-hedge. The ministumps were fertirrigated with three concentrations of nutrient solution and they were evaluated for survival and production of mini-cuttings. The mini-cuttings were or not treated with 1000mg L-1 of NAA and planted in substrate for rooting. The mini-cuttings were evaluated for the percentages of survival and rooting, and number and total length of roots after 30 days of cultivation. There was no difference in survival and number of mini-cuttings obtained from seminal or asexual ministumps. Mini-cuttings from ministumps of asexual origin showed higher rooting capability. The use of 1000mg L-1 NAA did not increase the rooting percentage of cordia mini-cuttings.
显示更多 [+] 显示较少 [-]