REFERENCES
- Valenzuela , J. L. , Sanchez , A. and Romero , L. 1994 . Influence of Nitrogen, Phosphorus, and Potassium Fertilizations on Foliar Pigments in Muskmelon Leaves . Commun. Soil Sci. Plant Anal. , 25 : 1595 – 1604 .
- Welkie , G. W. 1996 . Iron-deficiency Stress Responses of a Chlorosis-susceptible and a Chlorosis-resistant Cultivar of Muskmelon as Related to Root Riboflavin Excretion . J. Plant Nutr. , 19 : 1157 – 1169 .
- Arnon , D. I. 1949 . Copper Enzymes in Isolated Chloroplasts: Polyphenol Oxidase in Beta vulgaris . Plant Physiol. , 24 : 1 – 15 .
- Blackmer , T. M. and Sheepers , J. S. 1994 . Use of a Chlorophyll Meter to Monitor Nitrogen Status and Schedule Fertigation for Corn . J. Prod. Agric. , 8 : 56 – 60 .
- Yadava , U. L. 1986 . A Rapid Nondestructive Method to Determine Chlorophyll in Intact Leaves . HortScience , 21 : 1449 – 1450 .
- Marquard , R. D. and Tipton , J. L. 1987 . Relationship Between Extractable Chlorophyll and an In Situ Method to Estimate Leaf Greenness . HortScience , 22 : 1327
- Monje , O. A. and Bugbee , B. 1992 . Inherent Limitations of Nondestructive Chlorophyll Meters: A Comparison of Two Types of Meters . HortScience , 27 : 69 – 71 .
- Inskeep , W. P. and Bloom , P. B. 1985 . Extinction Coefficients of Chlorophyll a and b in N,N-dimethyl-formamide and 80% Acetone . Plant Physiol. , 77 : 483 – 485 .
- Himelrick , D. G. , Wood , C. W. and Dozier , W. A. Jr. 1992 . Relationship Between SPAD-502 Meter Values and Extractable Chlorophyll in Strawberry . Adv. Strawberry Res. , 11 : 59 – 61 .
- Sorrentino , G. , Cerio , L. and Alvino , A. 1997 . Effect of Shading and Air Temperature on Leaf Photosynthesis, Fluorescence, and Growth of Lily Plants . Sci. Hort. , 69 : 259 – 273 .
- Demmig-Adams , B. and Adams , W. W. 1996 . III. Chlorophyll and Carotenoid Composition in Leaves of Euonymus kiautschovicus Acclimated to Different Degrees of Light Stress in the Field . Aust. J. Plant Physiol. , 23 : 649 – 659 .
- Sicher , R. C. 1998 . Yellowing and Photosynthetic Decline of Barley Primary Leaves in Response to Elevated Carbon Dioxide Enrichment . New Phytol. , 139 : 395 – 436 .