Data are the pooled means of three estimates each over two years ±standard deviation. 'p-value' denotes the significance of difference between the means by one way ANOVA statistics. a The values followed by different letters differ significantly by Duncan's multiple range test at p=0.05.

\* **Cul**: *Cassia uniflora* Mill.non Spreng ; **Snl**: *Synedrella nodiflora*(L) Gaertn; **Alt**: *Alternanthera tenella* Colla; **Eug**: *Euphorbia geniculata* Orteg.; **Ach**: *Achyranthes aspera* L.; **Bod**: *Boerhaavia erecta* L.; **Bln**: *Blainvillea acmella* L.; **Aca**: *Acalypha ciliata* Forsk.; **Tum:** *Triumfetta rhomboidea* Jacq.; **Cab**: *Cassia absus* L.; **Cfl:** *Cassia obtusifolia* L.; **Bdn**: *Bidens biternata* Lour.; **Raw:** *Rauwolfia tetraphylla* L.; **Opl:** *Oplismenus compositus* P.Beauv.

Table 2. Morphological features of invasive and native weeds

### **4.5 Reproductive capabilities of invasive and native weeds**

The invasive and native weeds showed considerable variations in reproductive characters (Table 3 a). The type of inflorescence in majority of the weeds studied was mostly head,

No. of leaves / plt.

0.4

1.96

0.3

1.44

0.29

1.82

0.75

0.36

0.43

0.57

±1.42

0.4

p= <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
