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The fruit, however, does not consistently show desirable market quality in regards of fruit characteristics in response to improper irrigation during fruit growth in Myanmar. As a bridge to that problem, the study was conducted to investigate effects of gibberellic acid (GA3) application and scheduled irrigation on fruit characteristics of netted muskmelon, cultivar \u2018Dandy-449\u2019. Investigations were done in two experiments under plastic house condition. Fruit characteristics observed were fruit diameter, fruit weight, flesh thickness, cuticular membrane (CM) thickness, crack number (net) on fruit skin, Brix (total soluble solid), and seed weight.\r Experiment 1 was focused on fruit characteristics in response to GA3 concentrations (0, 10, 20, 30 and 40 ppm) and spray methods (foliar and fruit sprays) at 7 days after full bloom (DAFB), which was early fruit growth stage. Fruit diameter, fruit weight and flesh thickness of \u2018Dandy 449\u2019 showed remarkably increase by GA3 40 ppm. GA3 10 ppm application was as good as 40 ppm for those three characteristics of fruits. Crack number (netting) per unit area in fruit skin resulted in no effect by GA3 application and scheduled irrigation. Nevertheless, GA3 10 ppm sprayed to fruit tremendously increased CM thickness. That concentration of GA3 also promoted Brix of the fruit. Based on the results, 10 ppm of GA3 was considered an appropriate concentration for \u2018Dandy 449\u2019.\r Experiment 2 was proceeded focusing on fruit characteristics affected by GA3 application (+ or -) and scheduled irrigation (optimum irrigation, OI or deficit irrigation, DI) at stage 1 and 3 of fruit growth. GA3 application increased fruit diameter and fruit weight irrespective of scheduled irrigation. However, flesh thickness of the fruit did not show any effect of prescribed treatments at both of fruit growth stages. GA3 application and scheduled irrigation increased CM thickness at stage 1, respectively, while the interactive effect of those treatments revealed by\r x\r increased CM thickness at stage 3. GA3 application with respect to optimum irrigation accelerated increment of crack number (netting) per unit area in the fruit skin at stage 1, whereas only optimum irrigation promoted netting at stage 3. Again, optimum irrigation raised seed weight at stage 1, while GA3 application increased seed weight at stage 3. Non- GA3 application interactive with deficit irrigation promoted Brix of the fruit at stage 3. The results highlighted that most of fruit characteristics of netted muskmelon, \u2018Dandy 449\u2019, can be promoted by GA3 application to fruit. Optimum irrigation could promote crack (net formation) on the fruit skin. Deficit irrigation at stage 3 of fruit growth enabled to increase Brix of the fruit."}]}, "item_1583103108160": {"attribute_name": "Keywords", "attribute_name_i18n": "Keywords"}, "item_1583103120197": {"attribute_name": "Files", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_access", "date": [{"dateType": "Available", "dateValue": "2020-05-05"}], "displaytype": "preview", "filename": "ZYM_HSC 48 MS Thesis 2015.pdf", "filesize": [{"value": "1869 Kb"}], "format": "application/pdf", "licensetype": "license_free", "mimetype": "application/pdf"}]}, "item_1583103131163": {"attribute_name": "Journal articles", "attribute_value_mlt": [{}]}, "item_1583103147082": {"attribute_name": "Conference papaers", "attribute_value_mlt": [{}]}, "item_1583103211336": {"attribute_name": "Books/reports/chapters", "attribute_value_mlt": [{}]}, "item_1583103233624": {"attribute_name": "Thesis/dissertations", "attribute_value_mlt": [{"subitem_supervisor(s)": []}]}, "item_1583105942107": {"attribute_name": "Authors", "attribute_value_mlt": [{"subitem_authors": [{"subitem_authors_fullname": "Zun Yee Mon"}]}]}, "item_1583108359239": {"attribute_name": "Upload Type", "attribute_name_i18n": "Upload Type", "attribute_value": "Publication"}, "item_1583108428133": {"attribute_name": "Publication type", "attribute_name_i18n": "Publication type", "attribute_value": "Thesis"}, "item_1583159729339": {"attribute_name": "Publication date", "attribute_name_i18n": "Publication date", "attribute_value": "2015-01"}, "item_title": "Study on Fruit Characteristics of Netted Muskmelon (Cucumis melo L., \u2018Dandy-449\u2019) as Affected by Gibberellic Acid (GA3) Application and Scheduled Irrigation", "item_type_id": "21", "owner": "1", "path": ["1582963567848/1582969222431"], "permalink_uri": "http://hdl.handle.net/20.500.12678/0000000060", "publish_date": "2020-03-05", "publish_status": "0", "recid": "60", "relation": {}, "relation_version_is_last": true, "title": ["Study on Fruit Characteristics of Netted Muskmelon (Cucumis melo L., \u2018Dandy-449\u2019) as Affected by Gibberellic Acid (GA3) Application and Scheduled Irrigation"], "weko_creator_id": "1", "weko_shared_id": -1}
  1. Yezin Agricultural University
  2. Department of Horticulture

Study on Fruit Characteristics of Netted Muskmelon (Cucumis melo L., ‘Dandy-449’) as Affected by Gibberellic Acid (GA3) Application and Scheduled Irrigation

Permalink : http://hdl.handle.net/20.500.12678/0000000060
9c0cb43b-6cf1-40b9-af1c-2812e649a578
927dbdf8-0355-4887-b695-873731a9a51d
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ZYM_HSC ZYM_HSC 48 MS Thesis 2015.pdf (1.9 MB)
sha256: 8967ae1080faed800fe58ef14f91d6e74f670f57d4aca844f53f285b7e976886
Publication type Thesis
Upload Type Publication
Title
Study on Fruit Characteristics of Netted Muskmelon (Cucumis melo L., ‘Dandy-449’) as Affected by Gibberellic Acid (GA3) Application and Scheduled Irrigation
en
Publication date 2015-01
Authors
Zun Yee Mon
Description
Netted muskmelon (Cucumis melo L.) is a high demanding fruit for fresh consumption and juice. The producing areas of this fruit occupy Sagaing, Mandalay and Yangon Regions as majority in Myanmar. The fruit, however, does not consistently show desirable market quality in regards of fruit characteristics in response to improper irrigation during fruit growth in Myanmar. As a bridge to that problem, the study was conducted to investigate effects of gibberellic acid (GA3) application and scheduled irrigation on fruit characteristics of netted muskmelon, cultivar ‘Dandy-449’. Investigations were done in two experiments under plastic house condition. Fruit characteristics observed were fruit diameter, fruit weight, flesh thickness, cuticular membrane (CM) thickness, crack number (net) on fruit skin, Brix (total soluble solid), and seed weight. Experiment 1 was focused on fruit characteristics in response to GA3 concentrations (0, 10, 20, 30 and 40 ppm) and spray methods (foliar and fruit sprays) at 7 days after full bloom (DAFB), which was early fruit growth stage. Fruit diameter, fruit weight and flesh thickness of ‘Dandy 449’ showed remarkably increase by GA3 40 ppm. GA3 10 ppm application was as good as 40 ppm for those three characteristics of fruits. Crack number (netting) per unit area in fruit skin resulted in no effect by GA3 application and scheduled irrigation. Nevertheless, GA3 10 ppm sprayed to fruit tremendously increased CM thickness. That concentration of GA3 also promoted Brix of the fruit. Based on the results, 10 ppm of GA3 was considered an appropriate concentration for ‘Dandy 449’. Experiment 2 was proceeded focusing on fruit characteristics affected by GA3 application (+ or -) and scheduled irrigation (optimum irrigation, OI or deficit irrigation, DI) at stage 1 and 3 of fruit growth. GA3 application increased fruit diameter and fruit weight irrespective of scheduled irrigation. However, flesh thickness of the fruit did not show any effect of prescribed treatments at both of fruit growth stages. GA3 application and scheduled irrigation increased CM thickness at stage 1, respectively, while the interactive effect of those treatments revealed by x increased CM thickness at stage 3. GA3 application with respect to optimum irrigation accelerated increment of crack number (netting) per unit area in the fruit skin at stage 1, whereas only optimum irrigation promoted netting at stage 3. Again, optimum irrigation raised seed weight at stage 1, while GA3 application increased seed weight at stage 3. Non- GA3 application interactive with deficit irrigation promoted Brix of the fruit at stage 3. The results highlighted that most of fruit characteristics of netted muskmelon, ‘Dandy 449’, can be promoted by GA3 application to fruit. Optimum irrigation could promote crack (net formation) on the fruit skin. Deficit irrigation at stage 3 of fruit growth enabled to increase Brix of the fruit.
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ZYM_HSC 48 MS Thesis 2015.pdf

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