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Effect of banana spray oil on banana yield in the absence of Sigatoka (Mycosphaerella sp.)
Year:
1993
Source of publication :
Scientia Horticulturae
Authors :
Shabi, Ezra
;
.
Volume :
56
Co-Authors:
Israeli, Y., Jordan Valley Banana Research Station, Zemach, 15132, Israel
Shabi, E., Department of Plant Pathology, ARO-Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Slabaugh, W.R., ISK Biotech Corporation, 11098 W. Highmont Drive, Boise, ID 83709, United States
Facilitators :
From page:
107
To page:
117
(
Total pages:
11
)
Abstract:
A possible phytotoxic effect of banana spray oil (BSO) was studied on banana cultivar 'Grand Nain' (Musa spp., AAA subgroup) in Israel where no yellow or black Sigatoka was present. Texaco Spraytex® CT774, at rates of 2.6, 5.2 and 7.8 l ha-1, was applied using simulated aerial application during two consecutive production cycles. Twelve and ten spray cycles were applied during the first and second production cycles, respectively. BSO treatments were compared with the chlorothalonil treatment (BRAVO® 720 2 l ha-1), and an untreated control. No visual phytotoxicity or very subtle symptoms resulted from BSO application even at the highest rate. However, the highest rate of BSO reduced growth rate, delayed flowering by 4 days, and reduced bunch weight by 5.6% (P < 0.05) during the first production cycle when compared with the untreated control. A decrease of 8.4% in bunch weight (P < 0.05) was observed in the second production cycle when the highest BSO rate was compared with the untreated control. Bunch weight losses were directly related to BSO application rates. The number of green leaves at harvest and number of hands per bunch were also significantly reduced during the second production cycle. Chlorothalonil application did not significantly affect any of the parameters measured in this test when compared with the untreated control. This study indicates BSO usage causes a reduction in banana yield. © 1993.
Note:
Related Files :
Banana leaf spot
Banana spray oil
Banana yield
Mycosphaerella
Phytotoxicity
Sigatoka
Show More
Related Content
More details
DOI :
10.1016/0304-4238(93)90012-F
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
29403
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:46
Scientific Publication
Effect of banana spray oil on banana yield in the absence of Sigatoka (Mycosphaerella sp.)
56
Israeli, Y., Jordan Valley Banana Research Station, Zemach, 15132, Israel
Shabi, E., Department of Plant Pathology, ARO-Volcani Center, P.O. Box 6, Bet Dagan, 50250, Israel
Slabaugh, W.R., ISK Biotech Corporation, 11098 W. Highmont Drive, Boise, ID 83709, United States
Effect of banana spray oil on banana yield in the absence of Sigatoka (Mycosphaerella sp.)
A possible phytotoxic effect of banana spray oil (BSO) was studied on banana cultivar 'Grand Nain' (Musa spp., AAA subgroup) in Israel where no yellow or black Sigatoka was present. Texaco Spraytex® CT774, at rates of 2.6, 5.2 and 7.8 l ha-1, was applied using simulated aerial application during two consecutive production cycles. Twelve and ten spray cycles were applied during the first and second production cycles, respectively. BSO treatments were compared with the chlorothalonil treatment (BRAVO® 720 2 l ha-1), and an untreated control. No visual phytotoxicity or very subtle symptoms resulted from BSO application even at the highest rate. However, the highest rate of BSO reduced growth rate, delayed flowering by 4 days, and reduced bunch weight by 5.6% (P < 0.05) during the first production cycle when compared with the untreated control. A decrease of 8.4% in bunch weight (P < 0.05) was observed in the second production cycle when the highest BSO rate was compared with the untreated control. Bunch weight losses were directly related to BSO application rates. The number of green leaves at harvest and number of hands per bunch were also significantly reduced during the second production cycle. Chlorothalonil application did not significantly affect any of the parameters measured in this test when compared with the untreated control. This study indicates BSO usage causes a reduction in banana yield. © 1993.
Scientific Publication
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