Nematicidal effect of cruciferous bio-fumigants against the root-knot nematode, Meloidogyne incognita infesting okra

Sr. No.	Treatments	INP/200 cc soil before addition of leaves	INP/200 cc soil after addition of leaves	FNP/200 cc soil at harvest	Okra yield (kg/plot)	% increase in yield/over check	Root-knot index at harvest
1	Cabbage leaves @ 25 t/ha	224.0	197.0	258.0^b,c	8.6^b,c	8.9	3.8^a,b
2	Cabbage leaves @ 50 t/ha	224.0	185.0	215.7^d,e	9.9a	25.3	3.3^a
3	Cauliflower leaves @ 25 t/ha	224.0	203.0	268.0^b	8.2^c,d	3.8	4.0^a,b
4	Cauliflower leaves 50 t/ha	224.0	200.0	231.0^d	9.2^a,b	16.4	3.5^a
5	Carbofuran @ 1.0 kg a.i./ha	224.0	153.0	188.0^f	8.4^c,d	6.3	3.5^a
6	Untreated check	224.0	215.0	340.6^a	7.9^c,d	−	5.0^c
7	CD @ 5%	−	−	19.8	0.8	−	0.83

1 Notes: INP, initial nematode population; FNP, final nematode population. All treatments had four replications in a randomized block design. Values with same letters in column denote non-significant difference according to critical difference (CD).

Table 2.

Management of root-knot nematode in okra by bio-fumigation (2018-2019).

Sr. No.	Treatments	INP/200 cc soil before addition of leaves	INP/200 cc soil after addition of leaves	FNP/200 cc soil at harvest	Okra yield (q/ha	% increase in yield/over check	Root-knot index at harvest
1	Cabbage leaves @ 25 t/ha	256	225	274^e (15.60)	65.5^c	14.0	2.8^a,b
2	Cabbage leaves @ 50 t/ha	256	151	226^f (15.05)	78.2^a	36.2	2.5^a
3	Cauliflower leaves @ 25 t/ha	256	242	290^c (17.06)	63.2^c,d	11.2	3.3^a,b
4	Cauliflower leaves 50 t/ha	256	181	268^d (16.40)	71.8b	25.0	3.0^a,b
5	Carbofuran @ 1.0 kg a.i./ha	256	194	250^a (20.83)	63.4^c,d	11.2	3.5^b
6	Untreated check	256	265	417^b (20.43)	57.1e	−	4.8^c
7	CD @ 5%	−	−	(0.13)	5.1		0.89

1 Notes: INP, initial nematode population; FNP, final nematode population. Figures in parenthesis are $\sqrt$ transformed values. All treatments had four replications in a randomized block design. Values with different letters in column denote significant difference according to critical difference (CD).

Relationship between number of galls and percentage increase in okra yield over check (2017-2018).

Relationship between number of galls and percentage increase in okra yield over check (2018-2019).

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DOI: https://doi.org/10.21307/jofnem-2020-080 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X

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Language: English

Page range: 1 - 7

Published online: Jul 21, 2020

Published in print: Jan 1, 2020

Published by: Society of Nematologists, Inc.

In partnership with: Paradigm Publishing Services

Publication frequency: 1 issue per year

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© 2020 J.A. Patil, Anil Kumar, Saroj Yadav, K.K. Verma, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 52 (2020): Issue 1 (January 2020)

Nematicidal effect of cruciferous bio-fumigants against the root-knot nematode, Meloidogyne incognita infesting okra

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