Effect of sowing time on coriander performance in a semiarid mediterranean environment.

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In semiarid environments, time of sowing is one of the most important factors influencing seed yields. For coriander (Coriandrum sativum L.), the most commonly recommended cropping technique is spring sowing (March–April), since the optimum soil temperature for seed germination ranges between 20 and 23 °C, and the crop shows a remarkable sensitivity to frost and cold. In many semiarid areas of southern Italy, however, the occurrence of prolonged dry periods in summer and spring does not allow for the scheduling of summer crops without irrigation. However, the generally mild winter temperatures and the typical rainfall distribution, which is mostly concentrated over the winter months, could allow sowing time to be moved to the winter season to take advantage of the winter rainfalls. To evaluate the effect of moving the sowing time of coriander on seed yield and plant performance in semiarid Mediterranean environments, a field trial was performed in 1998–99, 1999–2000 and 2000–01 in Sparacia (Cammarata, AG, Sicily). Coriander seeds were sown in rows 50 cm apart every month for five months from December to April. The fruits were harvested from mid-June to mid-July. The time from sowing to harvest was greatly dependent on the sowing date; the duration was 193–195 days for the December sowings, and 91–100 days for the April sowings. In all three years, the most productive sowing time was December and sowing after this date resulted in lower yields.
Lingua originaleEnglish
pagine (da-a)437-447
Numero di pagine11
RivistaCrop Science
Stato di pubblicazionePublished - 2006

All Science Journal Classification (ASJC) codes

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