Research Article

Efficacy of Carbofuran in Controlling Root-Knot Nematode (Meloidogyne javanica Whitehead, 1949) on Cultivars of Bambara Groundnut (Vigna subterranea (L.) Verdc.) in Yola, Nigeria

Table 2

Pooled means of the effects of application of carbofuran to control M. javanica on the characteristics of M. javanica and the performance of bambara groundnut in 2002 and 2003 cropping seasons.

TreatmentJ2/250 cm3 soil at plantingJ2/10 g of rootsJ2/250 cm3 soil at maturityPlant heightFlower countNo of nodulesGalling indexGrain yield

Application time

Control1067.833.002030.925.3712.5035.894.03200.14
At planting1051.45.44203.228.8611.7836.781.00756.73
3WAS989.416.44760.927.211.6733.112.36361.88
6WAS892.720.221095.126.211.8839.442.86377.46
Prob. of Fnsns * ns ** * * **
S.E.147.364.07136.410.490.823.540.1928.41
Cultivars

Kwachanjiwa1071.710.92796.926.5511.2538.332.67459.81
Kwaheuma933.814.921042.627.4411.8829.882.69341.81
Kwatolotolo994.930.501228.227.5312.7540.712.33470.69
Prob. of F ** ns ** ns ** ** ** **
S.E.143.154.57157.570.570.954.090.2249.18
TP×Cultivarnsnsnsnsnsnsnsns

TP: time of application, *significantly different at , **significantly different at , ns: non-significantly different at .