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4. Núcleo de Pesquisa sobre Crianças, Adolescestes e Jovens - Universidade Federal do Piauí - NUPEC/UFPI - Cosecha

Título :	THE IMPACT OF SOWING DATES AND VARIETIES ON THE INCIDENCE OF OXYCARENUS LAETUS AND DYSDERCUS KOINGII ON COTTON
Palabras clave :	Red cotton bug;dusky bug;cultural practices;pest status;sowing date
Editorial :	Federal University of Piauí
Descripción :	Dusky bug (Oxycarenus laetus) and red cotton bugs (Dysdercus koingii) are commonly known as seed bugs because they feed on cotton seed. They have become major threat to cotton in Pakistan since last two years. The present studies were therefore planned to find out the role of sowing dates in cotton pest population. The dusky and red cotton bug population varied considerably with respect to date of sowing. The results revealed that invasion of both bugs was significantly more in case of early sowing ( up to 15 red cotton bug/plant & 25 dusky bugs/boll) than in normal and late sowing (8 to 10 red cotton bugs & 10 to 12 dusky bug/boll respectively). Sampling dates exhibited that population of cotton bugs (dusky and red cotton bug) was higher during first week of October followed by mid September, 2013, whereas lower in late sowing. Varietal comparison depicted that FH-118 and FH-142 showed non significant difference for red and dusky cotton bug population. The results further explained that peak population of red cotton bug was recorded during the month of October, 2013.
URI :	http://biblioteca-repositorio.clacso.edu.ar/handle/CLACSO/77681
Otros identificadores :	https://comunicatascientiae.com.br/comunicata/article/view/488 10.14295/cs.v5i4.488
Aparece en las colecciones:	Núcleo de Pesquisa sobre Crianças, Adolescestes e Jovens - Universidade Federal do Piauí - NUPEC/UFPI - Cosecha

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