EFFECT OF SALICYLIC ACID ON RHYZOGENESIS OF APPLE ROOTSTOCK MICROPLANTS IN IN VITRO CONDITIONS
Abstract
The inhibiting influence of salicylic acid on percentage of rooted microplants of rootstock 54-118 was revealed (negative effect increase with increase of salicylic acid concentration). When using salicylic acid in concentration 2.0 and 3.0 mg/l, percentage of rooted microplants was 9.71 ± 2.29 and 4.17 ± 2.08 % respectively. Negative effect of high dose of salicylic acid on root number, root growth and root system development coefficient for 54-118 was found out after first 3 week of cultivation.
There was no similar inhibiting influence on percentage of rooted microplants of 106-13. Percentage of rooted microplants varied from 78.21 ± 3.81 (without salicylic acid) to 90.47 ± 4.76 % (1.5 mg/l of salicylic acid). In all studied concentrations salicylic acid didn’t influence on number of roots, on root system development coefficient of 106-13 microplants. In high concentration (3.0 mg/l) salicylic acid inhibited root growth of 106-13 microplants.
About the Authors
V. A. ShaporevaBelarus
Student
18, Sovetskaya Str., 220050
A. A. Zmushko
Belarus
Ph. D. (Agricult.), Researcher
2, Kovalyov St., 223013
E. V. Kolbanova
Belarus
Ph. D. (Biol.), Head of the Laboratory
2, Kovalyov St., 223013
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