Treatment

Rate (kg ai/ha)

Hilling (WAP)

Average potato tuber number (tubers/ha)

Marketable

Non-marketable

Total

Check

0

-

13,572

d

172,143

a

185,714

a

Hand Weeding

0

-

98,571

ab

237,857

a

336,429

b

Metribuzin (M)

0.35

-

96,429

ab

178,571

a

275,000

ab

M

0.56

-

116,429

a

150,714

a

267,143

ab

M

0.75

-

82,857

abc

131,429

a

214,286

ab

M

0

6

58,572

abcd

152,143

a

210,714

ab

M

0.35

6

104,286

a

191,429

a

295,714

ab

M

0.56

6

106,429

a

180,714

a

287,143

ab

M

0.75

6

106,429

a

147,857

a

254,286

ab

M

0

7

27,143

cd

167,857

a

195,000

ab

M

0.35

7

70,715

abcd

185,714

a

256,429

ab

M

0.56

7

89,286

abc

170,714

a

260,000

ab

M

0.75

7

108,572

a

188,571

a

297,143

ab

M

0

8

35,000

bcd

195,714

a

230,714

ab

M

0.35

8

96,429

ab

182,143

a

278,571

ab

M

0.56

8

126,428

a

157,857

a

284,286

ab

M

0.75

8

94,286

abc

170,714

a

265,000

ab