THE COMBINING ABILITY OF TOMATO VARIATY AND INHERRITANCE OF GUANTITATIVE CHARACTERS

Abstract

The important stage of breeding program for F1 hybrids with high yield capacity is to estimate the combining ability of parental lines for productivity characteristics. The information on combining ability may predict the productivity traits to exhibit and helps produce heterotic hybrids and use the initial breeding accessions in tomato. The combining ability of breeding accessions for yield traits was studied with the use of topcross crossing. According to the study of high yielding varieties, the varieties all increase the maturity of hybridisation. However, Jelty gigant varieties have the advantage of general and special combinations (gi = 15.6, σsi2 = 6.4), the minimum seedling duration, and the early varieties of varieties can be used for breeding varietiesThe combinations of our studies include the maturation of flowering and fruitful maturity of h2=0.69-0.67, fruit quantity per plant h2=0.60-0.66) by selection and those are inheritable characters with medium value. Early or total yield h2=0.45-0.58 leaf quantity until first inflorescences h2=0.27 had low heritage coefficient, respectively.

Keywords

• early harvest
• fruits
• determinate
• indeterminate
• hybrid
• heterosis