تأثير موعد الشتل و الكثافة النباتية في النمو الخضري لصنفين من الشليك (Fragaria × ananassa Duch.)‎

الملخص EN

This experiment was conducted at the Agricultural Research Center of Ainkawa / Erbil / Iraq, during the growing season 2005-2006.

The aim of this experiment was to investigate the effect of planting dates and plant density on vegetative growth of two varieties of strawberry Fragaria × ananassa Duch.

Three planting dates 20 thsep., 10 thoct.

and 30 thoct.

in 2005 and three plant densities (46000, 23000 and 15332 plants/Hec) with two varieties of strawberry “ Kaiser’s Smaling and Hapil” had been investigated.

The annual hill system was used with fixed spacing (1m) between rows.

The experimental design was splitsplit plot within RCBD, with 4 replicates and the experimental unit area was 7.2m2.

All results were tested using Duncan’s multiple range test at probability of 5%.

Results obtained could be summarized as following: 1.

The average of leaf area, dry mater of foliage, number of runners per plant significantly increased in Hapil variety, while the content of total chlorophyll only increased significantly in Kaiser’s Smaling variety.

2.

The low plant density (by increasing the distance between plants) caused a significant increasing for all vegetative growth characteristics in both varieties.

3.

The early planting dates on 20 thsep.

caused a significant increase in all vegetative growth characteristics in both varieties.