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GROWTH REGULATOR EFFECT ON PIGEONPEA (CAJANUS CAJAN) DEVELOPMENT

Lurline Marsh, Dyremple B. Marsh, Brian Cooper

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Abstract

The influence of benzyladenine (BA) and ethrel on vegetative and reproductive characteristics of 2 pigeonpea genotypes was evaluated in field and greenhouse study. Plants sprayed with benzyladenine or ethrel at 400 or 800 ppm levels at both the vegetative and flowering stages tended to be smaller, had more floral abscissions and produced more pods than those sprayed only at the flowering stage. Increased chemical concentration decreased plant size. Plants treated with BA produced several curved distorted leaflets. None of the applications in the field study significantly improved pod set over the 23% recorded for the controls.

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The influence of benzyladenine (BA) and ethrel on vegetative and reproductive characteristics of 2 pigeonpea genotypes was evaluated in field and greenhouse study. Plants sprayed with benzyladenine or ethrel at 400 or 800 ppm levels at both the vegetative and flowering stages tended to be smaller, had more floral abscissions and produced more pods than those sprayed only at the flowering stage. Increased chemical concentration decreased plant size. Plants treated with BA produced several curved distorted leaflets. None of the applications in the field study significantly improved pod set over the 23% recorded for the controls.

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Available abstract

The influence of benzyladenine (BA) and ethrel on vegetative and reproductive characteristics of 2 pigeonpea genotypes was evaluated in field and greenhouse study. Plants sprayed with benzyladenine or ethrel at 400 or 800 ppm levels at both the vegetative and flowering stages tended to be smaller, had more floral abscissions and produced more pods than those sprayed only at the flowering stage. Increased chemical concentration decreased plant size. Plants treated with BA produced several curved distorted leaflets. None of the applications in the field study significantly improved pod set over the 23% recorded for the controls.

Key concepts: Cajanus, Point of delivery, Biology, Greenhouse, Vegetative reproduction, Horticulture, Plant growth, Agronomy

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