Effect of flush existence, NAA and GA application on cocoa pod development
This experiment was carried out to study the photosynthate allocation between flush and young pods, and the effect of (naphthalene acetic acid) and (gibberellic acid) application to sink strength. Two cocoa clones KW 163 and KW 165 located in Kaliwining Experimental Station of Indonesian Coffea and...
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| Format: | Article |
| Language: | English |
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Indonesian Coffee and Cocoa Research Institute
2011-05-01
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| Series: | Coffee and Cocoa Research Journal |
| Online Access: | http://www.ccrjournal.com/index.php/ccrj/article/view/142 |
| _version_ | 1818758529554579456 |
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| author | Y.T.M. Astuti Adi Prawoto Kumala Dewi |
| author_facet | Y.T.M. Astuti Adi Prawoto Kumala Dewi |
| author_sort | Y.T.M. Astuti |
| collection | DOAJ |
| description | This experiment was carried out to study the photosynthate allocation between flush and young pods, and the effect of (naphthalene acetic acid) and (gibberellic acid) application to sink strength. Two cocoa clones KW 163 and KW 165
located in Kaliwining Experimental Station of Indonesian Coffea and Cocoa Research Institut were used on this experiment. Each clone was treated with flushes and without flush. Beside that, the young pods sprayed with NAA 250 mg L-1, GA 250 mg L-1, NAA 250 mg L-1 dan GA 250 mg L-1 and control (K = without NAA and GA). There were 2 x 4 treatment combinations for each clone, and replicated three trees for each combination. The parameter were cherelle wilt percentage, sucrose content, fresh and dry weight, long and diameter of healthy and wilting pods.The result showed that sink strength of young pods was lower than that of flushes, which caused application photosynthate translocation to the young pods was lower. NAA and GA application to the pods could improve sucrose allocation, increased pod weight and cherelle wilt was suppressed. The lack of photosynthate on young pod cause metabolism change, so pod became cherelle wilt. But, there was still not known the optimum concentration and method of application of those growth regulators to obtained minimum cherelle wilt.
Key words: Cocoa, flush, pod, naphthylacatic acid, gibberellic acid, cherelle wilt. |
| first_indexed | 2024-12-18T06:28:17Z |
| format | Article |
| id | doaj.art-e9e8a58c003440adb6abb698a4f37d49 |
| institution | Directory Open Access Journal |
| issn | 0215-0212 2406-9574 |
| language | English |
| last_indexed | 2024-12-18T06:28:17Z |
| publishDate | 2011-05-01 |
| publisher | Indonesian Coffee and Cocoa Research Institute |
| record_format | Article |
| series | Coffee and Cocoa Research Journal |
| spelling | doaj.art-e9e8a58c003440adb6abb698a4f37d492022-12-21T21:17:59ZengIndonesian Coffee and Cocoa Research InstituteCoffee and Cocoa Research Journal0215-02122406-95742011-05-0127110.22302/iccri.jur.pelitaperkebunan.v27i1.142131Effect of flush existence, NAA and GA application on cocoa pod developmentY.T.M. Astuti0Adi Prawoto1Kumala Dewi2Fakultas Pertanian, Institut Pertanian STIPER, Yogyakarta.Indonesian Coffee and Cocoa Research InstituteFakultas Biologi, Universitas Gadjah Mada, Yogyakarta.This experiment was carried out to study the photosynthate allocation between flush and young pods, and the effect of (naphthalene acetic acid) and (gibberellic acid) application to sink strength. Two cocoa clones KW 163 and KW 165 located in Kaliwining Experimental Station of Indonesian Coffea and Cocoa Research Institut were used on this experiment. Each clone was treated with flushes and without flush. Beside that, the young pods sprayed with NAA 250 mg L-1, GA 250 mg L-1, NAA 250 mg L-1 dan GA 250 mg L-1 and control (K = without NAA and GA). There were 2 x 4 treatment combinations for each clone, and replicated three trees for each combination. The parameter were cherelle wilt percentage, sucrose content, fresh and dry weight, long and diameter of healthy and wilting pods.The result showed that sink strength of young pods was lower than that of flushes, which caused application photosynthate translocation to the young pods was lower. NAA and GA application to the pods could improve sucrose allocation, increased pod weight and cherelle wilt was suppressed. The lack of photosynthate on young pod cause metabolism change, so pod became cherelle wilt. But, there was still not known the optimum concentration and method of application of those growth regulators to obtained minimum cherelle wilt. Key words: Cocoa, flush, pod, naphthylacatic acid, gibberellic acid, cherelle wilt.http://www.ccrjournal.com/index.php/ccrj/article/view/142 |
| spellingShingle | Y.T.M. Astuti Adi Prawoto Kumala Dewi Effect of flush existence, NAA and GA application on cocoa pod development Coffee and Cocoa Research Journal |
| title | Effect of flush existence, NAA and GA application on cocoa pod development |
| title_full | Effect of flush existence, NAA and GA application on cocoa pod development |
| title_fullStr | Effect of flush existence, NAA and GA application on cocoa pod development |
| title_full_unstemmed | Effect of flush existence, NAA and GA application on cocoa pod development |
| title_short | Effect of flush existence, NAA and GA application on cocoa pod development |
| title_sort | effect of flush existence naa and ga application on cocoa pod development |
| url | http://www.ccrjournal.com/index.php/ccrj/article/view/142 |
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