Abstract
The experiment was conducted at the Agronomy Field laboratory, Department of Agronomy, Bangladesh Agricultural University, Mymensingh to evaluate the effect of variety and boron on the growth and yield of French bean (Phaseolus vulgaris L.) during November 2017 to March 2018. The experiment was comprised two factors involving three varieties viz. BARI Jharseem-1, BARI Jharseem-2, BARI Jharseem-3, and four Boron doses viz. 0 (No boron), 0.5, 1.0 and 1.5 kg B ha-1. Borax was used as a source of boron. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. The result exhibited that yield and its contributing characters were significantly influenced the variety and boron applications. The experimental findings revealed that the highest number of pods plant-1 (4.73), effective pods plant-1 (4.01), seeds pod-1 (3.98), 1000-seeds weight (416.53g), seed yield (1.53 t ha-1), stover yield (2.69 t ha-1), biological yield (4.22 t ha-1), and harvest index (36.03%) were highest for the variety BARI Jharseem-3. At the same time, highest number of pods plant-1 (5.02), number of effective pods plant-1 (4.03), number of seeds pod-1 (4.04), 1000-seed weight (412.74 g), seed yield (1.54 t ha-1), stover yield (3.05 t ha-1), biological yield (4.59 t ha-1), and harvest index (36.98 %) were recorded under boron level at 1.5 kg ha-1. Again incase of interaction of variety and boron, highest number of pods plant-1 (4.95), number of effective pods plant-1 (3.98), number of seeds pod-1 (3.69), 1000-seeds weight (413.15g), seed yield (1.76 t ha-1), stover yield (3.11 t ha-1), biological yield (4.87 t ha-1) and harvest index (37.19%) were recorded in BARI Jharseem-3 under boron level 1.5 kg ha-1. Plant dry matter found positively correlated (r2=0.8126) with seed yield. So, it may be concluded from this experiment that cultivation of var. BARI Jharseem-3 along with 1.5 kg B ha-1 could be applied to obtain higher yield of French bean.
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