Effect of temperature, flowering time and inflorescence length on yield and productivity of litchi (Litchi chinensis) cv. ‘Shahi’

N  LAL; A  SINGH; A  KUMAR; E S  MARBOH; D K  JAYSWAL; S D  PANDEY; V  NATH

doi:10.56093/ijas.v92i5.124744

Authors

N LAL ICAR-National Research Centre on Litchi, Muzaffarpur, Bihar 842 002, India
A SINGH ICAR-National Research Centre on Litchi, Muzaffarpur, Bihar 842 002, India
A KUMAR ICAR-National Research Centre on Litchi, Muzaffarpur, Bihar 842 002, India
E S MARBOH ICAR-National Research Centre on Litchi, Muzaffarpur, Bihar 842 002, India
D K JAYSWAL ICAR-National Research Centre on Litchi, Muzaffarpur, Bihar 842 002, India
S D PANDEY ICAR-National Research Centre on Litchi, Muzaffarpur, Bihar 842 002, India
V NATH ICAR-National Research Centre on Litchi, Muzaffarpur, Bihar 842 002, India

https://doi.org/10.56093/ijas.v92i5.124744

Keywords:

Flowering stage, Fruit set, Fruit weight, Inflorescence, Temperature

Abstract

The present study was carried out in 2017–18 at ICAR-NRC on Litchi, Muzaffarpur to assess the effect of temperature, flowering time and inflorescence length on yield of litchi (Litchi chinensis Sonn.) cv. Shahi. The study revealed that the temperature, flowering stage as well as length of inflorescence were positively correlated with florescence width (0.98) while fruit set was negatively correlated with temperature (-0.863). There was a strong correlation between fruit set and size of the inflorescence. Early-season flowering had higher fruit set (8.56%) as compared to mid (7.58%) and late-season (4.05%) flowering. Fruit set was critically reduced by 50% in late flowering
plants resulting in drastic reduction in the total fruit yield. A strong positive correlation (0.84) was found between inflorescence hickness and fruit weight. Fruit and pulp weight were influenced by stage of flowering, as early flowering exhibited highest fruit weight (24.56 g) compared to mid and late flowering in which fruit weight was reduced by 35.42% and 50%, respectively.

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Author Biographies

N LAL, ICAR-National Research Centre on Litchi, Muzaffarpur, Bihar 842 002, India

The present study was carried out in 2017–18 at ICAR-NRC on Litchi, Muzaffarpur to assess the effect of
temperature, flowering time and inflorescence length on yield of litchi (Litchi chinensis Sonn.) cv. Shahi. The study revealed that the temperature, flowering stage as well as length of inflorescence were positively correlated with florescence width (0.98) while fruit set was negatively correlated with temperature (-0.863). There was a strong correlation between fruit set and size of the inflorescence. Early-season flowering had higher fruit set (8.56%) as compared to mid (7.58%) and late-season (4.05%) flowering. Fruit set was critically reduced by 50% in late flowering plants resulting in drastic reduction in the total fruit yield. A strong positive correlation (0.84) was found between inflorescence thickness and fruit weight. Fruit and pulp weight were influenced by stage of flowering, as early flowering exhibited highest fruit weight (24.56 g) compared to mid and late flowering in which fruit weight was reduced by
35.42% and 50%, respectively.
A SINGH, ICAR-National Research Centre on Litchi, Muzaffarpur, Bihar 842 002, India

The present study was carried out in 2017–18 at ICAR-NRC on Litchi, Muzaffarpur to assess the effect of
temperature, flowering time and inflorescence length on yield of litchi (Litchi chinensis Sonn.) cv. Shahi. The study revealed that the temperature, flowering stage as well as length of inflorescence were positively correlated with florescence width (0.98) while fruit set was negatively correlated with temperature (-0.863). There was a strong correlation between fruit set and size of the inflorescence. Early-season flowering had higher fruit set (8.56%) as compared to mid (7.58%) and late-season (4.05%) flowering. Fruit set was critically reduced by 50% in late flowering plants resulting in drastic reduction in the total fruit yield. A strong positive correlation (0.84) was found between inflorescence thickness and fruit weight. Fruit and pulp weight were influenced by stage of flowering, as early flowering exhibited highest fruit weight (24.56 g) compared to mid and late flowering in which fruit weight was reduced by
35.42% and 50%, respectively.

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