269 Evaluation of Low-chilling Requirements of Apricot Selections in Northwestern Mexico

in HortScience

Apricot production in México is limited; actually, the area devoted to this crop is ≈880 ha, of which 230 ha are established in Sonora State. The main cultivar used is `Canino'. The fruit yield ranges from 15-20 t·ha-1. The present study tested 20 low-chilling (300 to 400 chill hours) requirments of apricot selections; `Nemaguard' was the rootstock used. On the 4rth production year from the 20 apricot selection tested, 7-23, 1-81, and 15-1 yielded 31.8, 20.2. and 15.5 Ton.Ha-1, respectively; all of these selections showed higher yields than the Canino cultivar (14.6 t·ha-1). The fruit of these apricot selectiosn ripened by mid-May, exhibiting all the tested selection a similar fruit quality (size, flavor, color, and °Brix). We have not recorded any important insect pests or diseases during this trial.

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