Document Type : Original Article
Authors
1
Agric. Res. Cent., Giza, Egypt
2
. Hort. Dept., Fac. Agric., Zagazig Univ., Egypt
3
Plant Prot.Dept., Fac. Agric., Zagazig Univ., Egypt
Abstract
A filed experiment was carried out at a private farm located at Qaha District,Qalubayia governorate, Egypt, during the two successive summer seasons of 2018 and 2019 to evaluate growth and productivity of seven new dry bean genotypes (DB-2-435, DB-5-485, DB-5-486, DB-5-487, DB-5-489, DB-7-4 and DB-7-31) in additional to three commercial cultivars (Giza 3, Giza 6 and Nebraska) under different plant densities, i.e., 5 cm one row, 10 cm one row, 5 cm 2 rows and 10 cm 2 rows/ridge. These treatments were arranged in a split plot in a randomized complete block design with three replications.Plant densities were randomly distributed in the main plot and genotypes were randomly arranged in the sub plot.As average two seasons, sowing seeds of genotypes DB-5-485, DB-5-487, DB-5-489 at 10 cmon one side increased number of branches/plant, leaf area/plant, dry weight/plant and total chlorophyll in leaf tissues, followed by the interaction between sowing at 10 cm on one side and Nebraska cultivar regarding total chlorophyll in both seasons. In general,the interaction between sowing at 10 cm on one side and Nebraska cultivar or genotype DB-5-485increased number of seeds/pod, yield/plant in both seasons. Respecting total yield, the interaction betweensowing at 5 or 10 cm on two sides and Nebraska cultivar orthe genotype DB-5-485 gave the highest values of total yield /fed., however, the interaction between sowing at 5 cm on one row and DB-5-486 genotype gave the lowest total yield/fed. (0.781 ton/fed.) as average of two seasons
GROWTHAND PRODUCTIVITY OF SOME NEWDRY BEAN GENOTYPES UNDER DIFFERENT PLANTDENSITY CONDITIONS
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