ACHARYA N.G RANGA AGRICULTURAL UNIVERSITY

EFFECT OF INTERCROPPING ON GROWTH
Table 1. Vegetative growth characters of cotton as influenced by genotypes, planting pattern and cropping system
Treatment Year 2007 Year 2008
Genotypes Plant height
(cm)
Dry matter
(g plant -1 )
Leaf area
(cm 2 )
Days to
50
percent
flowering
No. of
monopodia
Plant
height
(cm)
Dry
matter
(g plant -1 )
Leaf area
(cm 2 )
Days to 50
percent
flowering
Bt Cotton 100.8 96.0 2901 65.0 2.6 101.7 97.6 2971 65.4 3.2
Non Bt Cotton 101.5 95.6 2895 64.7 2.4 102.8 97.6 2959 64.8 3.2
SEm ± 0.4 0.3 3.2 0.4 0.1 2.0 0.4 6.2 0.4 0.1
CD at 5 % NS NS NS NS NS NS NS NS NS NS
Planting pattern
Normal 100.7 95.6 2951 65.1 2.6 103.8 97.5 3015 65.2 3.1
Paired 101.6 96.0 2844 64.5 2.5 100.7 97.7 2916 64.9 3.1
SE ± 0.4 0.3 3.2 0.4 0.1 2.0 0.4 6.2 0.4 0.1
CD at 5 % NS NS NS NS NS NS NS NS NS NS
Genotype X Planting Pattern
SE ± 0.6 0.5 4.6 0.5 0.2 2.8 0.6 8.7 0.6 0.2
CD at 5 % NS NS NS NS NS NS NS NS NS NS
Cropping system
Sole crop of Cotton 100.3 94.9 3561 64.8 2.6 108.8 100.3 3651 65.3 3.4
Cotton +
Greengram
Cotton +
Blackgram
101.6
101.7
96.2 2610 65.2 2.5
100.2
96.0 2701 65.6 2.6
100.9
No. of
monopodia
96.5 2619 65.1 3.1
96.8 2798 64.4 3.1
Cotton + Soybean 100.9 96.1 2720 63.8 2.5 99.1 97.0 2792 64.7 3.1
SE ± 1.1 1.0 4.7 0.5 0.1 1.7 0.6 8.1 0.6 0.2
CD at 5 % NS NS 9.7 1.1 NS 3.4 1.3 16.7 NS NS
Planting pattern X Cropping system
SE ± 1.5 1.5 6.6 0.8 0.1 2.4 0.9 11.5 0.8 0.3
CD at 5 % NS NS NS NS NS NS NS NS NS NS
Genotype X Cropping system
SE ± 1.5 1.5 6.6 0.8 0.1 2.4 0.9 11.5 0.8 0.3
CD at 5 % NS NS NS NS NS NS NS NS NS NS
Genotype X Planting pattern X Cropping system
SE ± 2.2 2.1 9.4 1.1 0.2 3.3 1.2 16.2 1.2 0.4
CD at 5 % NS NS NS NS NS NS NS NS NS NS
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