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缩节胺(MC)作为一种赤霉素生物合成抑制剂,可以增加棉花对钾离子的吸收,从而对棉花生长产生积极调节作用,但是潜在生理机制尚不清楚。本研究利用非损伤微测技术测定表明,除了增加根生物量之外,MC浸种还可以通过增加钾离子流入和/或减少幼苗根尖的钾离子外排来增加钾离子吸收。此外,该研究发现,MC处理可以引起质膜超极化,可以通过增强H +-ATPase的基因表达(HA2/5/11)、蛋白积累(GhAHAs总...
Varietal differences in growth response to drought were studied in order to determine major attributes composing drought resistance in the rice plant. Eight rice varieties of different hydrological b...
Nodulating and non-nodulating soybeans from the 3 pairs of near isogenic lines (Norin 2 and Tosan 89, T 202 and T 201, and Fujimijiro and Tosan 90) were grown in a culture solution containing 15N-nitr...
Root water uptake ability is supposed to greatly affect the degree of midday depression in the photosynthetic rate of crop plants. However, there is no useful indicator for estimating it quantitativel...
Factors causing the cyclic changes in the rates of net photosynthesis and transpiration of peanut plants were examined. In order to clarify the relationship between the transpiration demand and the o...
Using two varieties, KR1 (salt-tolerant variety) and IR28 (salt-sensitive variety), relationship between Na+ uptake and transpiration under different humidity and salinity conditions was examined. The...
The effects of soil amendment with oilseed-rape residue (OSRR) and chicken manure (CM) on the growth and nitrogen (N) uptake of faba bean (Vicia faba L.) were assessed in a pot experiments with Italia...
Pearl millet is better adapted to hot and semi-arid conditions than most other major cereals. The objective of this study was to compare the deep water uptake ability and water use efficiency (WUE) of...
Exploring approaches to optimizing spatial distributions of leaf area index (LAI) and leaf nitrogen content (LNC) should be useful for increasing grain yield in rice (Oryza sativa). The primary object...
We introduced subsoiling to a field of wheat-soybean rotation where no-tillage practice had been conducted for five years and whose yield tended to decrease or stagnate. By subsoiling a half of each p...
A two-band digital imaging system —one band for the visible red band (RED, 630−670 nm) and the other for the near infrared band (NIR, 820−900 nm)— was devised and positioned at a height of...
Relation between Nitrogen Content of Rice and Water Uptake or Total Solids at Different Water Temperatures.
To vary the moisture content in wheat grain from 20 to 45%, various quantities of water were instilled in non-dormant grains in two varieties and one pedigree(Chihokukomugi, Horoshirikomugi and Kitake...
The aim of this study is to investigate the effects of different humic acid and phosphorus levels on corn plant ( Zea mays L.) growth and P availability in a calcareous soil. Four levels of P (0, 20,...
The lack of information about the effects of salinity on vegetative growth of triticale prompted us to study the salt tolerance levels of 3 newly registered cultivars, Karma-2000, Presto, and Tatl...

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