FLOWERING AND FRUITSET IN TATASAI PEPPER (Capsicum annuum I.) AS INFLUENCED BY NITROGEN NUTRITION AND PLANT POPULATION

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FLOWERING AND FRUITSET IN TATASAI PEPPER (Capsicum annuum I.) AS INFLUENCED BY NITROGEN NUTRITION AND PLANT POPULATION

Abstract:

Two trials were carried out (1907 dry and wet seasons) to study the influence of nitrogen and plant population on flowering, fruitset and subsequent yield of pepper (Capsicum nnnuum L.) using the variety L-5962-2. The treatments were four levels of nitrogen (0,75,150 and 300 kg/ha) and four spacings of 15, 30, 45 and 60cm between plants within a row giving plants populations of 112500, 55200, 37500 and 20000 plants respectively. Spacing between all the rows was 60cm. Results showed that during the dry season increasing nitrogen increased total number of leaves, number of leaves at first flowering, total percentage of fruits and percent fruitset, while number of flower buds aborted before anthesis decreased. During the same season, increasing plant population increased plant height and number of days to first flowering while percentage of flower buds aborted before anthesis decreased. The wet season trial showed an increase in number of branches at maturity, number of leaves at first flowering, number of days to first flowering, and fruit per plant yield with increasing nitrogen and plant population. Number of flower buds aborted before anthesis, however decreased with the increase in plant population and nitrogen. There were positive correlations between yield and such characters as total number of leaves and number of leaves at first flowering, number of branches, number of days to first fruitset, percent fruitset and total number of fruits, while percentage of flowers aborted before and after anthesis were negatively correlated with yield.

FLOWERING AND FRUITSET IN TATASAI PEPPER (Capsicum annuum I.) AS INFLUENCED BY NITROGEN NUTRITION AND PLANT POPULATION

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