scholarly journals A study of tuberization in the potato plant. : V. A relation of the mother tuber to the plant growth and tuberization with plant growth.

1951 ◽  
Vol 20 (1-2) ◽  
pp. 185-188
Author(s):  
K. NODA
Keyword(s):  
Plant Growth ◽  
Potato Plant ◽  
Mother Tuber

scholarly journals Evidence that Rhizospheric Calcium Level Modulates Potato Plant Response to Heat Stress

HortScience ◽  
1996 ◽  
Vol 31 (4) ◽  
pp. 600e-601
Author(s):  
Matthew D. Kleinhenz ◽  
Jiwan P. Palta
Keyword(s):  
Heat Stress ◽  
Plant Growth ◽  
Potato Plant ◽  
Calcium Level ◽  
Light Level ◽  
Shoot Meristem ◽  
Controlled Environment ◽  
Root Mass ◽  
Hoagland Solution ◽  
Microscopic Evaluation

Micropropagated `Red Norland' plants were transferred to an inert mixture of 1 perlite: 1 medium-grain quartzite (v/v) and grown 21 days at 20°C day/15°C night on a 25% Hoagland solution without Ca(NO3)2 (Ca at 10 mg·L–1 from CaCl2, N at 35 mg·L–1 from KNO3). Thereafter, Ca treatments (Ca at 0.2, 1, 5, 25, 125 mg·L–1) were imposed for 21 days with other nutrients unchanged. Day/night temperatures were 20/15°C and 35/20°C for control and stress plants, respectively. Continuous drip supply of nutrient solution in excess of demand maintained target rhizospheric Ca levels. All experiments were conducted in controlled-environment chambers with 400-μmol·m–2·s–1 light level. The following results were obtained. 1) Stress, but not control, plants grown with Ca at 0.2 and 1.0 mg·L–1 displayed reduced leaf expansion, extreme senescence, and death of the primary shoot meristem. 2) Plants grown with Ca at 5, 25 and 125 mg·L–1 grew normally under both temperature regimens, although plants responded to temperature with different biomass partitioning. (3) Total root mass at harvest was similar under all Ca–temperature combinations but low-Ca-treated plants had comparatively darker roots with fewer branches. (4) Light microscopic evaluation revealed normal staining patterns of lignified elements in leaves and stems of all plants. These data suggest that constant rhizospheric Ca levels >1 mg·L–1 are required for continued plant growth during exposure to heat stress.

scholarly journals Problems of Managing Potato Plant Growth Under Micropropagation for Primary Seeds

2021 ◽  
Author(s):  
Sergey Kornatskiy
Keyword(s):  
Plant Growth ◽  
Nutrient Medium ◽  
Potato Plant ◽  
Root Formation ◽  
Basal Part ◽  
Stem Length ◽  
Chlorocholine Chloride ◽  
Single Node ◽  
Potato Plants ◽  
Murashige Skoog

This study shows the possibility of controlling the growth of potato microplants when adding the Murashige-Skoog (MS) nutrient medium chlorocholine chloride (CCC) to the composition at a concentration of 0.05-0.25 mg ⋅ L −1. Varietal specificity of the reaction of potato plants to the preparation was revealed. At optimal concentrations of CCC, plants with a stem length of 7-10 cm in 250 ml flasks were grown from single-node microcuttings for 1.5 months. Microplants were removed from the flasks using 20 cm scissors and unsterilized tweezers. The roots were shortened to 2-3 mm and the basal part of the stems was treated with a chalk-based paste containing 0.04% indolylbutyric acid (IBA). Plants were planted on 36 mm diameter Jiffy 7 peat pellets directly in the laboratory. The trays with the material were transferred to the greenhouse at the end of April at a temperature of 20-25 °C and placed in the conditions of the upper fine irrigation. After 3-4 days, mass root formation began in the plants, and another week later the seedlings were ready for use. By then the height of the plants was 10-15 cm, and the roots were clearly visible on the surface of the peat pellets. Planting these seedlings in a technological greenhouse to obtain minitubers was convenient and inexpensive. Keywords: potato, microcuttings, microtubers, minitubers, chlorocholine chloride, peat pellets

scholarly journals Potato plant growth and macronutrient uptake as affected by soil tillage and irrigation systems

2006 ◽  
Vol 41 (12) ◽  
pp. 1787-1792 ◽  
Author(s):  
Julio Cezar Silveira Nunes ◽  
Paulo Cezar Rezende Fontes ◽  
Eduardo Fontes Araújo ◽  
Carlos Sediyama
Keyword(s):  
Plant Growth ◽  
Potato Plant ◽  
Block Design ◽  
Dry Mass ◽  
Soil Tillage ◽  
Mass Yield ◽  
Irrigation Systems ◽  
Area Index ◽  
Randomized Block Design ◽  
Moldboard Plow

The objective of this study was to evaluate potato plant growth and macronutrient uptake, as affected by soil tillage methods, in sprinkle and drip irrigated experiments. Eight treatments were set: T1, no tillage, except for furrowing before planting; T2, one subsoiling (SS); T3, twice rotary hoeing (RH); T4, one disc plowing (DP) + twice disc harrow leveling (DL); T5, 1DP + 2DL + 1RH; T6, 1DP + 2DL + 2RH; T7, 1SS + T6; T8, one moldboard plowing (MP) + 2DL. Treatments were arranged in a randomized block design with four replications. In both irrigation systems, plants presented higher emergence velocity index (EVI), when the soil was not tillaged, and the EVI was inversely related to the maximum tuber dry mass production. In both experiments, a functional direct relationship was found between the leaf area index and maximum tuber dry mass yield. The growth of plant organs (tuber, leaf, stem and root) and the macronutrient (N, P, K, Ca and Mg) contents in potato plant responded positively to a deeper soil revolving caused by plowing, especially with moldboard plow.

Timing of short period water stress determines potato plant growth, yield and tuber quality

2021 ◽  
Vol 247 ◽  
pp. 106731
Author(s):  
Cameron Wagg ◽  
Sheldon Hann ◽  
Yulia Kupriyanovich ◽  
Sheng Li
Keyword(s):  
Water Stress ◽  
Plant Growth ◽  
Potato Plant ◽  
Growth Yield ◽  
Tuber Quality ◽  
Short Period

Rôle of Mother Tuber in Growth of Potato Plant

1929 ◽  
Vol 87 (1) ◽  
pp. 157-194 ◽  
Author(s):  
F. E. Denny
Keyword(s):  
Potato Plant ◽  
Mother Tuber
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