Growth and productivity of some new dry bean genotypes under different plant density conditions [electronic resource]

Includes bibliographic reference

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 cm on 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-5-485
increased number of seeds/pod, yield/plant in both seasons. Respecting total yield, the interaction between sowing at 5 or 10 cm on two sides
and Nebraska cultivar or the 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.
Key words: Density, genotypes, growth, dry weight, phaseolus vulgaris, yield.

Summary in Arabic