EFFECTS OF GA3 AND GA4+7 ON RUSSETING CONTROL OF SOME COMMERCIAL APPLE CULTIVARS UNDER INTENSIVE PLANTING SYSTEM IN KARAJ, IRAN

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TALAEI A.; HAMZEHEI Z.; ASKARI M.A.

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Journal: IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY Year:2011 | Volume:11 | Issue:4 Page(s): 347-360

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Title

EFFECTS OF GA3 AND GA4+7 ON RUSSETING CONTROL OF SOME COMMERCIAL APPLE CULTIVARS UNDER INTENSIVE PLANTING SYSTEM IN KARAJ, IRAN

Author(s)

TALAEI A. | HAMZEHEI Z. | ASKARI M.A. | Issue Writer Certificate

Keywords

GA3 AND GA4+7Q2

MALUS DOMESTICSAQ3

PHYSIOLOGICAL DISORDERQ3

RUSSETINGQ3

Abstract

Russeting is one of the most important physiological skin disorders of apple, particularly when the humidity and rainfall are high. It can account for significant loss in crop value in marketing. Apple RUSSETING is also considered as an epidermis disorder that appears as suberin layer on different parts of the fruit surface. The main cause of RUSSETING is mostly genetical trait. In order to avoid this problem, it is essential to select the most resistant cultivars. In this research, It was tried to find out how RUSSETING could be controlled by GA3 and GA4+7 application during flower petal fall with two concentrations in three times on four commercial apple cultivars (‘Delbarstival’, ‘Starking’, ‘Primrose’ and ‘Fuji’) on M9 rootstock under intensive planting system (Y- shaped trellis) that were grown in Karaj. Randomized complete block design with four replications was used for statistical analysis. The treated fruits were classified according to their RUSSETING degree. Results showed that GA4+7 has a significant reduction in RUSSETING of treated fruits comparing to GA3 and control trees and there was no significant difference between GA3 and control treatments. It was also found that ‘Fuji’ is the most sensitive one to RUSSETING and after that cvs. ‘Starking’, ‘Primrose’ and ‘Delbarstival’, respectively.

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APA: Copy

TALAEI, A., HAMZEHEI, Z., & ASKARI, M.A.. (2011). EFFECTS OF GA₃ AND GA₄₊₇ ON RUSSETING CONTROL OF SOME COMMERCIAL APPLE CULTIVARS UNDER INTENSIVE PLANTING SYSTEM IN KARAJ, IRAN. IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, 11(4), 347-360. SID. https://sid.ir/paper/80698/en

Vancouver: Copy

TALAEI A., HAMZEHEI Z., ASKARI M.A.. EFFECTS OF GA₃ AND GA₄₊₇ ON RUSSETING CONTROL OF SOME COMMERCIAL APPLE CULTIVARS UNDER INTENSIVE PLANTING SYSTEM IN KARAJ, IRAN. IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY[Internet]. 2011;11(4):347-360. Available from: https://sid.ir/paper/80698/en

IEEE: Copy

A. TALAEI, Z. HAMZEHEI, and M.A. ASKARI, “EFFECTS OF GA₃ AND GA₄₊₇ ON RUSSETING CONTROL OF SOME COMMERCIAL APPLE CULTIVARS UNDER INTENSIVE PLANTING SYSTEM IN KARAJ, IRAN,” IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, vol. 11, no. 4, pp. 347–360, 2011, [Online]. Available: https://sid.ir/paper/80698/en

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