Adventitious root development of grapevine rootstock 140Ru as influenced by different root promoting applications
2020
Kok, D.
Hardwood cuttings of grapevine rootstocks have occasionally difficulties in terms of their rooting performances in grape growing. Hence, this study was carried out to test the effects of different root promoting chemicals alone or in combination with each other on shoot and root characteristics of hardwood cuttings in grapevine rootstock 140Ruggeri (140Ru) with rooting problem. For this purpose, different root promoting chemicals were used as alone or in combination with each other such as Control, 1% hydrogen peroxide (H(2)O(2)), 4 mM putrescine (PUT), 4% sucrose (SUC), 1% H(2)O(2) + 4 mM PUT, 1% H(2)O(2) + 4% SUC, 4 mM PUT + 4% SUC and 1% H(2)O(2) + 4% SUC + 4 mM PUT in the research. Among these applications, combined applications of different root promoting applications were found to be more potent than alone applications. The results of current study pointed out that applications of 1% H(2)O(2) + 4% SUC and 1% H(2)O(2) + 4 mM PUT enhanced the adventitious root formation and other root characteristics in hardwood cuttings of difficult-to-root grapevine rootstock 140Ru. Therefore, combined applications of H(2)O(2), SUC and PUT may be applied as root promoting chemicals for improving adventitious root formation in hardwood cuttings of difficult-to-root grapevine rootstocks.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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