The Response of Fruit Nutritional Quality and Yield of Bitter Melon to Soil Moisture and Fruiting Stage(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: The Response of Fruit Nutritional Quality and Yield of Bitter Melon to Soil Moisture and Fruiting Stage

Author(s):: LI Wen-ping¹; LIANG Yin-li¹; 2; BAO Tian-li¹; 1.Northwest A&F University，Yangling，Shaanxi 712100；
2.Institute of Soil and Water Conservation，Chinese Academy of Sciences and Ministry of Water Resource，Yangling，Shaanxi 712100

Keywords:: bitter melon; soil water content(SWC); fruit stage; nutritional quality; fruit yield

Abstract:: Taking bitter melon(Momordica charantia L.var ‘Lanshan Dabai’) as material，three soil water content treatments(SWC) were designed as 50%～60%,70%～80%,90%～100% of relative to the percentage of field water capacity，the SWC during different fruiting(early fruit stage，full fruit stage，late fruit stage) stages and yield of bitter melon under rain shelter were studied.The results showed that，70%～80% SWC was benefit for vitamin C content，soluble sugar content and soluble protein content，while the 50%～60% SWC was benefit for soluble solid content;Three SWC treatments had the same trends of nutritional quality changes:vitamin C content，soluble protein content reached maximum content at full fruit stage，soluble sugar content reached maximum content at late fruit stage，while soluble solid content reached maximum content at both full and late fruit stage under 50%～60% SWC and 70%～80% SWC;In terms of fruit yield，50%～60% SWC and 70%～80% SWC treatments were not significant difference，but both of them were significantly higher than 90%～100% SWC.The nutritional quality of full fruit stage was always better than other stage，and 70%～80% SWC was benefit for the quality and yield of bitter melon.

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Last Update: 2014-08-11