Effect of thermal treatment on late potato varieties
2001
Eremeev, V. | Joudu, J. | Lohmus, A. | Laeaeniste, P. (Estonian Agricultural Univ., Tartu (Estonia). Dept. of Field Crop Husbandry)
The fields trials, required for the present research, were carried out in 1996...1998 on trial field of Institute of Field Crop Husbandry of EAU, the objective being to study the effect of thermal treatment on speed of yield maturing. For this experiment, potato varieties rich in starch were used. To achieve physiological ageing, the potato seed tubers were treated thermally for 48 hours one week before planting; the temperature used was 30 deg C- that is, so-called 'Thermal treatment' - TT. In the second variant, the tubers were not treated thermally. We carried out phenological observations during the vegetation period of potatoes. We determined the leaf area of potato plants; the dynamics of tuber yield and calculated the leaf area index (LAI) development. Within the framework of the research, the effect of thermal treatment of seed tubers of potato varieties on growth dynamics of tops and tubers was learnt
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