SEEDING RATES AND NUMBER OF HOEINGS IN RELATION TO YIELD AND QUALITY OF SUGARCANE VARIETY G 85-37

This study was conducted at EL-Mattana Agricultural Research Station, Qena governorate to study the effect of seeding rates and number of hoeings on yield and quality attributes of plant cane (2000/2001) and its tow ratoon crops (2001/2002 &2002/2003).N Nine treatments, the combination between three seeding rates (25200, 37800 and 50400 buds/fed) and three hoeing treatments (one, two and/or three times) for sugar cane variety G. 85-37 were used . A split plot design ,Le, replications was used. seeding rates allocated in the main plot, meanwhile the hoeing treatments were randomly assigned in the sub plots. The results indicated the following:‌ The seeding rate of 50400 buds/fed. gave higher number of millable cane, millable cane length, cane and sugar yields compared with other seeding rates. Practicing hoeing three times significantly affected the number of millable cane /m2, millable cane height, millable cane diameter as well as cane and sugar yields. The percentages of sugar recovery was insignificant. The interaction between seeding rates and hoeing treatments insignificantly affected brix and sucrose, as well as sugar recovery %, while number of millable cane/m2, millable cane height , millable cane diameter as well as cane and sugar yields were significantly affected. Practice hoeing three times produced the highest yields of cane and sugar/fad.