Abstract

Citrus Vein Phloem Degeneration (CVPD) disease is a major obstacle in the effort to develop and increase the production of citrus fruits in Bali. The study on the polymorphism of CVPDr DNA fragment shows that the CVPDr DNA fragment is resistant factor againt CVPD disease. This study try to elaborate the difference in resistance led to differences in plant nutrients deficiencies in the citrus plant with CVPD disease. . Besides, there are also difference in the quality of fruit due to CVPD disease attacks such as water content, vitamin C content and antioxidants in citrus fruits, color, flavor, taste and texture and fruit into small, hard and sour taste.

Highlights

  • Citrus plants (Citrus spp.) is one of the most important horticultural crops in the community economy

  • Citrus Vein Phloem Degeneration (CVPD) disease is a major obstacle in the effort to develop and increase the production of citrus fruits in Bali

  • Leaf tissue analysis as a diagnostic aurantifolia var seedless. This tool has been widely performed on annual CVPDr DNA fragment is found in the crops to determine nutrient requirements citrus plants that are susceptible to CVPD prior to nutrient disturbance (Obreza et al, disease, this is due to the presence of 2008)

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Summary

INTRODUCTION

Citrus plants (Citrus spp.) is one of the most important horticultural crops in the community economy. CVPDr DNA FRAGMENT AFFECT DIFFERENCES IN RESISTANT TO CITRUS VEIN PHLOEM DEGENERATION (CVPD) DISEASE, NUTRIENT DEFICIENCIES AND QUALITY OF FRUITS. Leaf tissue analysis as a diagnostic aurantifolia var seedless This tool has been widely performed on annual CVPDr DNA fragment is found in the crops to determine nutrient requirements citrus plants that are susceptible to CVPD prior to nutrient disturbance (Obreza et al, disease, this is due to the presence of 2008). Stebbins and Wilder (2003) reported polymorphism in CVPDr DNA fragments that leaf nutrient concentration can be used (Yuniti, 2017) This polymorphism as a guide to determine the nutrient status of difference causes the difference of citrus plants whose patterns are directly related to plant resistance to the pathogen of CVPD disease. Determining moisture content by using oven method (AOAC, 1995), vitamin C analysis

MATERIALS AND METHODS
RESULTS AND DISCUSSIONS
32. Florida
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