volume 36 issue 3 (september 2002) : 162 - 166
EFFECT OF EXOTIC CYTOPLASM ON YIELD, ITS COMPONENTS, BOLLWORM INCIDENCE AND JASSID GRADE IN COTION (G. HIRSUTUM L.)
1Central Institute for Cotton Research, Regional Station, Sirsa - 125055, India
ABSTRACT
A total of 31 cytotypes/genotypes with cytoplasmic background from the species G. arboreum, G. anomalum, G. harknessii, G. barbadense, G. tomentosum and G. longicalyx and genotypic background of Bikaneri Narma (BN), SRT-1 and BJR-JK-97-16-4 alongwith the recurrent parents and locol check ‘H777’ were analysed for their variation in cytoplasmic influence on various traits. Nuclear genotypes and exotic cytoplasm (G. anomalurri) significantly affected boll number/plant and mean halo length. For seed cotton yield/plant G. harknessii and G. barbadense were significantly different from G. hirsutum cytoplasm in their influence on boll number/plant. A significant G. arboreum cytoplasm difference in comparison to G. barbadense, G. tomentosum and G. longicalyx cytoplasm was observed for boll weight. Per cent bollworm damage on green boll basis of all exotic cytoplasm was significantly different from G. hirsutum cytoplasm
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Indian Journal of Agricultural Research
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