Effect of Asahi SL on China aster ‘Aleksandra’ seed yield, germination and some metabolic events

Abstract

The effects of Asahi SL (sodium ortho and para-nitro phenolate, sodium 5 nitro guaiacolate) sprays on China aster plant height, seed yield and some metabolic events were investigated. The plants were sprayed with Asahi SL, in concentration of 0, 0.1, 0.2 or 0.4 %, three times before or during flowering, and six times before and during this stage. It was found that Asahi SL applied three times during flowering brought about an increase in the seed yield, germination and metabolic activity and did not modify vegetative growth of plants. The chemical used earlier, before flowering, had detrimental effect on seed yield and quality, although it stimulated vegetative growth. The positive effect of Asahi SL was more prominent in weather conditions unfavourable for seed production.

How Biojodis and Cyanobacteria Alleviate the Negative Influence of Predicted Environmental Constraints on Growth and Physiological Activity of Corn Plants

“…This indicates that the used compound can be applied in the ecological production of healthy food, like corn, which is one of the most important crops in human and animal diet and a raw material for energy production. A similar infl uence of these compounds was found in China aster and vine grapes, which are also very sensitive to low temperatures during plant development [4,6,10,39]. The positive effects of Biojodis on plant yield in optimal conditions also was found in strawberry and cucumber [40,11].…”

“…The media moisture content was expressed as a percentage of volumetric water content in growing media (% Vol.) [4]. moisture content and partly restored the harmful effects of artifi cial temperature and water stress on plant development and physiological activity.…”

“…Plant height was measured with ruler from soil to the upper part of leaves [4]. An index of chlorophyll content in leaves was evaluated using Minolta SPAD-502, Japan [34].…”

“…Electrolyte leakage was measured after two and four hours using a CC-551 Elmetron microcomputer conductivity meter [4].…”

“…Based on assessing growth in present and simulated conditions, nowadays authors work on ecological methods of plant cultivation relating to the expected temperature changes, soil moisture (artifi cial drought and rainfall), and application of ecological biostimulators. It is expected that this research will result in increasing food crop yield and plant resistance to stress, as it was observed in the case of other plants [2][3][4][5][6][7][8][9][10][11]. It is assumed that biofortifi cation of plants with iodine (a component of Biojodis) can become an alternative method to salt iodization, and that introducing this element to the human diet can affect plant development.…”