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Table 17. (Continued). Area R&D Gaps S&T Interventions Production Planting density There is lack of technology on Influence of dwarfing rootstock, management of high density growth regulators, and pruning planted trees. on high density planted mango trees must be determined. (ten years) Training and Technology on how to properly Studies on training and pruning pruning train young trees and prune of young and mature mango mature trees is lacking. trees are needed. (ten years) Nutrition Critical nutrient levels on Carabao Critical nutrient levels on Carabao mango leaves are not yet mango leaves need to be established. established. (3–5 years) Nutrient management in relation Study on the influence of nutrition to tree phenology is not yet on fruit growth and development established. is needed. (3–5 years) Deficiency symptoms (leaves) and Studies on mineral nutrition are physiological disorders (fruits) needed. are not yet studied. Nutrition and fruit development relationship is not known. Water relations Optimum water requirement Influence of irrigation on fruit based on tree phenology is growth and development should not known. be determined. (3–5 years) Water relations and fruit development are not known. Flower induction There is erratic/nonuniform Biochemical and physiological flushing. bases of flowering need to be Vegetative growth regulation established. (3–5 years) is not known. Vegetative growth by physical and Simple indices to determine chemical treatments need to be readiness to flower need to regulated. (3–5 years) be established. Flower induction studies in young, pruned trees under high-density planting are needed. (3–5 years) Crop protection Site- and situation-specific pest Development of site- and situationmanagement is not yet established. specific pest management Bioecology and epidemiology of is needed. (3–5 years) mango pest and diseases in Studies on bio-ecology and different agro-ecosystems are epidemiology of mango pests in not fully known. different agro-ecosystems are needed. (3–5 years) Banana and Mango ......................................................................................................................................... 35
Table 17. (Continued). Area R&D Gaps S&T Interventions Postharvest System There is short shelf life. Alternative disinfestation technique Fruits are susceptibile to is needed. (3–5 years) physiological disorders. Control of postharvest diseases Improvement of inter-island is needed. (3–5 years) handling system needs to Inter-island handling system needs be studied. improvement. (3–5 years) Processing There is lack of standard for Improvement of quality of mango and Utilization consistent quality of products is needed. (3–5 years) processed products. New product lines should be There is limited product lines. developed. (3–5 years) Commercialization of existing Quality standards should be technologies (D) needs to be established. studied. Socioeconomics There is high production cost. Different technologies needs to be and Marketing Marketing system is multi-layered. econmically assessed. (3–5 years) Market information is unreliable. Timely market information and intelligence for fresh and processed mango are needed. (3–5 years) Marketing strategies for selected mango varieties and their products need to be be developed. (3–5 years) 36 ............................................................................................................. R&D Status and Directions
Page 2 and 3: OFFICE OF THE EXECUTIVE DIRECTOR De
Page 4 and 5: First Edition 2003 ISBN 971-20-0514
Page 6 and 7: Acknowledgment ○ ○ ○ ○ ○
Page 8 and 9: Dr. Leon C. Namuco Associate Profes
Page 10 and 11: Technology Forecasts ..............
Page 12 and 13: List of Acronyms and Abbreviations
Page 14 and 15: Introduction ○ ○ ○ ○ ○
Page 16 and 17: Commodity Industry Situation ○
Page 18 and 19: Table 3. (Continued). 1993 and 1997
Page 20 and 21: Latundan 20% Bungulan 6% Others 8%
Page 22 and 23: Table 5. Top ten banana-producing c
Page 24 and 25: Table 9. Top ten mango-producing co
Page 26 and 27: growers, sprayers, traders, coopera
Page 28 and 29: Major Completed and Ongoing Project
Page 30 and 31: - Fertilizer application in mango t
Page 32 and 33: • Site-specific integrated pest m
Page 34 and 35: Table 12. (Continued). Area Technol
Page 36 and 37: Table 13. (Continued). Area Technol
Page 38 and 39: Challenges and Issues ○ ○ ○
Page 40 and 41: Table 14. (Continued). Variety Stre
Page 42 and 43: Table 16. (Continued). Area R&D Gap
Page 46 and 47: Technology Forecasts ○ ○ ○
Page 52 and 53: Development of Postharvest System,
Page 54 and 55: References ○ ○ ○ ○ ○ ○
Page 56 and 57: Area Technology/Information Generat

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