"contributed largely to" is correct and usable in written English.
You can use it when you are referring to something that has played a major role in something else. For example, "Her dedication and hard work contributed largely to the success of the project."
Therefore, segmental and large-scale tandem duplication events contributed largely to the expansion of this superfamily.
Together, these genes represent 60% of all AtPP2Cs, indicating that large-scale segmental duplication events have contributed largely to the current complexity of the PP2C gene family in Arabidopsis.
It contributed largely to the free, asymmetric naturalism and symbolistic overtones of Art Nouveau.
The development of the collage by Picasso and Braque contributed largely to the transition from Analytical to Synthetic Cubism.
The careful training of the legions contributed largely to Roman domination of the Mediterranean world for almost a thousand years.
Soil moisture contributed largely to CO2 flux in the initial 27 days, and soil temperature became the most important factor affecting CO2 flux in the last 20 days.
The combination of Hunter and Diakite contributed largely to the Cavaliers' 18-4 advantage in points in the paint in the second half.
His work reflected the prevailing interest in Japanese art and with its frequently asymmetrical form contributed largely to the Art Nouveau of the end of the century.
Different from chloride ions only balanced the electric charge in 1, nitrate anions in 2 not only balanced the electric charge but also contributed largely to stability through OH⋯O hydrogen bonds.
Leaving London for his lands on the Welsh border, he met Prince Edward (afterward King Edward I) at Ludlow, just after his escape from captivity, and contributed largely to Edward's victory at Evesham in August 1265.
