Indian Journal of Agricultural Research

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Indian Journal of Agricultural Research, volume 44 issue 4 (december 2010) : 274 - 280

EFFECT OF APPLICATION OF BORON ON GROWTH, QUALITY AND FRUIT YIELD OF PKM 1 TOMATO

S. Sathya, S. Mani, P.P. Mahendran, K. Arulmozhiselvan
1Department of Soil and Environment Agricultural College and Research Institute, Madurai- 625 104, India

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Cite article:- Sathya S., Mani S., Mahendran P.P., Arulmozhiselvan K. (2024). EFFECT OF APPLICATION OF BORON ON GROWTH, QUALITY AND FRUIT YIELD OF PKM 1 TOMATO. Indian Journal of Agricultural Research. 44(4): 274 - 280. doi: .

ABSTRACT

The field experiment was conducted during 2006 at Agricultural College and Research Institute,
Madurai to investigate the effect of application of boron on growth, quality and fruit yield of PKM 1
tomato. The biometric characters such as plant height and number branches were significantly
influenced by soil and foliar application of boron. It was observed that among the various levels of
soil application of boron, borax @ 20 kg ha-1 recorded increase in height and number of branches
whereas among the various levels of foliar application of boron, 0.25 per cent borax spray produced
taller plants with more no. of branches. The quality parameters of PKM 1 tomato fruit such as lycopene,
ascorbic acid, crude protein and total soluble sugars were significantly increased due to the soil
application of borax @ 20 kg ha-1 recording a value of 3.99 mg 100g-1, 23.0 mg 100g-1, 10.13 per cent
and 9.20° brix respectively. The crude fibre and titratable acidity were found to be highest in control
that received the recommended dose of NPK alone, whereas the lowest value was recorded in soil
application of borax @ 20 kg ha-1. The results also revealed that the highest fruit yield of 33 tonnes
per hectare was recorded in treatment that received borax @ 20 kg ha-1 recording 33.6 per cent
increase over control and was found to be significantly superior to rest of the treatments. The quadratic
response curve fitted to the yield data of PKM 1 tomato (y = 23503.57 + 1093.79x – 29.79x2) and was
found to be highly significant with an r value of 0.928**. The physical and economic optimum of
borax for maximum yield of tomato was found to be 18.36 kg ha-1 and 18.29 kg ha-1 respectively at
a price level of Rs.10 per kg of tomato and Rs.40 per kg of borax.

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