Volume 7, Issue 26 (vol. 7, no. 26 2018)                   j.plant proc. func. 2018, 7(26): 263-275 | Back to browse issues page

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bahremand N. Effect of plant growth regulators on damage of selective herbicides in garlic plant (Allium sativum). . j.plant proc. func.. 2018; 7 (26) :263-275
URL: http://jispp.iut.ac.ir/article-1-710-en.html
1- University of jiroft , nadiabahremand@ujiroft.ac.ir
Abstract:   (1343 Views)

Abstract

Unsuitable concentrations of herbicides, lack of weed control and the severe damage to the plant will cause . Plant growth regulators can play a role in reducing damage . For this purpose, in shahid  Bahonar University research greenhouse two experiment was carried out in 1391. The first experiment in a completely randomized design includes selective herbicides in five level, haloxyfop (0, 3, 4, 5 and 10 per thousand), oxyfluorfen (0, 3, 4, 5 and 10 per thousand) and sethoxydim (0, 6, 8, 10 and 15 per thousand) with three replications . The second  experiment was  factorial in a completely randomized design with growth regulators and herbicides . Regulators include salicylic acid ( 0, 0.25 and 5.0 mM) ,  methyl jasmonate (0, 5 and 10 µM) and brassinosteroid  (0, 1 and 2 µM) as seed soaking and spray of  Herbicides with low concentrations (3 and 4 haloxyfop and oxyfluorfen  6 and 8 sethoxidim) and high concentration (5 haloxyfop and oxyfluorfen  and10 sethoxydim) were selected . The results showed that in the first experiment haloxyfop and oxyfluorfen to concentration of 4 and sethoxydim to 8 on growth, biomass, photosynthetic pigments, ion leakage , oxidative enzymes  had no harmful effect . In the second experiment it was revealed high concentrations of herbicides significantly reduced the growth characteristics. The combination of regulators and herbicides significantly reduced the negative effects of herbicide.according to results , Salicylic acid 0.25 mM, methyl jasmonate1 µM and  brassinosteroid5 µM were more effective.

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Type of Study: Research | Subject: Plant Growth Regulators
Received: 2016/10/9 | Accepted: 2017/01/25 | Published: 2018/11/20

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