Potatoes. Haulm killing

Mechanical pulverization followed by spraying the stumps halves the amount of chemicals used to 1.5-2 litres per ha with no reduction in quality. If a band sprayer is used the amount can be reduced to 1 litre per ha Pulling is a chemical-free method where the stems are removed from the tubers by rollers. This is effective but requires wide row-spacing and stone-free ridges. Flaming involves pulverization of the haulm and subsequent exposure of the stumps to a very high temperature This process should be avoided on easily combustible organic soils.

Potatoes. consumer survey Auckland, Wellington Christchurch households

Results indicated that there was a clear identification of a difference between main crop potatoes and new potatoes, although both types were generally purchased from supermarkets. Main crop potatoes are a basic food item which is relatively unaffected by product price. Respondents indicated that they did not expect their main crop potato consumption to increase if the quality of potatoes was guaranteed but that they would be willing to pay 33% more for such potatoes.

Potatoes. Advanced clones varieties. Nematode resistance tolerance. Variety answer fertilizer function

It is a general purpose early maincrop variety with potential for crisp manufacture. It has a low reducing-sugar content during storage. Good levels of resistance to Globodera pallida and G rostochiensis have been identified in 2 clones of Solanum berthaultii, 2 of S spegazzini and 9 of S vernei.

Potatoes warm climates

Covers or shading may be used or planting may be done on the S facing slope of a ridge. Protection should continue until the crop canopy closes. Insect damage may impair shading of the ground by the crop and should be avoided if possible. Plants may wither under protective covers and this leads to reduced tuber yields. Cv.

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