Effect of Presprouting Plant Growth Regulators and Natural Materials on Dormancy, Growth, and Yield of Potatoes (Solanum tuberosum L.)

Table 12

Means for tuber yield and the effects of plant growth regulators and natural materials in the 2019–2020 seasons at Molo and Egerton sites.

Treatments	Number of tubers	Small size < 30 mm	Medium size 30–60 mm	Big size > 60 mm	Weight t·ha^−1
Grass	7.30b	24.93c	26.98ab	48.09a	23.63a
BL	7.95a	22.57c	29.44a	48.00a	23.51a
Soil	7.01b	27.28c	27.48ab	45.24a	22.20a
BAP	5.39c	48.37b	26.21ab	25.42b	15.85b
GA3	5.66c	48.14b	24.94ab	26.95b	16.74b
Zeatin	5.73c	48.89b	24.47ab	26.64b	16.35b
Control	3.13d	64.38a	22.28b	13.34c	7.85c
Mean	6.02	40.66	25.97	33.38	18.02
LSD	0.59	7.54	6.24	6.21	2.34
Variety	^ns	^ns	^ns	^ns	^ns
Season	^ns			^ns	^ns

Key: means followed by with the same letter in the same column are not significantly different (), BL: banana leaves, GA3: Gibberellins, BAP: 6-Benzylaminopurine.