ASSESSMENT OF RESPONSE OF DIFFERENT TRADITIONAL SCENTED RICE VARIETIES TO ORGANIC FARMING
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Date
2016
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Indira Gandhi Krishi Vishwavidyalaya, Raipur
Abstract
The results showed that each scented rice variety has its own qualities.
Some varieties were found to be extraordinary with respect to yield as well as in
quality. In terms of plant height, Karigilas and Shyamajeera top the rank which
directly related to its internodal distance. Sugandhmati had found to contain
maximum number of leaves hill-1 at harvesting. Number of tillers hill-1 at harvest
was maximum (9) in Badshahbhog and Gangabaru (9) followed by in
Sugandhmati Dujai and Kubrimohar (8 each). Lalu 14 is the earliest maturing
variety (105 days) folllowed by Bisni and Lohandi (110 days). Certain degree of
lodging effect had been shown by Shyammajeera, Karigilas, Gangabaru, Lalu 14
and CR Sugandha dhan-907, due to their tall height, but which however didn‟t
influence yield significantly.
The variety Dujai produced the highest grain yield (36qha-1) and generated
maximum net return (Rs. 41,989 ha-1) which was comparable with yield obtained
in CR Sugandha dhan-907(36.02 qha-1), Dubraj (35.79 qha-1) and Karigilas (35.06
qha-1). However higher value of harvest index was seen in CR Sugandha dhan-907
(42.1%) followed by Indira Sugandhit dhan, both these varieties are improved
ones. The maximum test weight value was recorded in Karigilas (37.5g) and least
was found in for Badshahbhog (12.18g).
Maximum L: B ratio both for paddy and kernel was observed in
Sugandhmati (5.4 & 4.0 respectively). Gopalbhog was registered for higest value
of hulling (82%) however milling % was highest in Dubraj (77.6%). Highest head
rice recovery % was observed in Badshahbhog (69.3%).
11 varieties were considered in the category of strongly scented group.
Elongation ratio was higher in Badshahbhog (1.9), however volume expansion
ratio was found highest for Indira Sugandhit dhan (3.9). Highest amylose % was
observed in Shyamajeera (23%). In terms of gel consistency most of the rice
varieties fell in the category having soft kernel.
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106 p.