Mineral Deficiencies of Plants

Wallace, Tessa

doi:10.1002/j.2050-0416.1946.tb01580.x

Cited by 3 publications

(2 citation statements)

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“…For example, to avoid photo-oxidative damage under high light intensity, plants rely on photorespiration [ 7 ]. Plants respond to excess water, which can cause hypoxia [ 8 ], and to excess nutrients in soil, which cause various adverse effects [ 9 ]. As these resources are essential for survival, they also need to regulate their shoot and root growth to acquire them efficiently [ 5 , 10 , 11 , 12 ].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Phosphate on the Activity and Sensitivity of Nutritropism toward Ammonium in Rice Roots

Yamazaki

Fujiwara

2022

Plants

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Understanding how plants determine growth direction from environmental cues is important to reveal optimal strategies in plant survival. Nutritropism is the directional growth of plant roots towards nutrient sources. Our previous study showed that an NH4+ gradient stimulates nutritropism in the lateral roots, but not in the main roots, of a rice cultivar. In the present study, we report nutritropism in the main roots of rice accessions among the World Rice Core Collection, including WRC 25. We investigated the effects of components in nutrient sources on nutritropism in WRC 25. Nutritropism in main roots was stimulated by NH4+ and significantly enhanced by Pi. We found that roots required more NH4+ stimulation for nutritropic responses in the presence of higher Pi, meaning that Pi desensitized root nutritropism. These results indicate that Pi acts as an activator and a desensitizer in nutritropism. Such a regulation of nutritropism would be important for plants to decide their optimum growth directions towards nutrient sources, gravity, moisture, or other stimuli.

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Section: Introductionmentioning

confidence: 99%

The Effect of Phosphate on the Activity and Sensitivity of Nutritropism toward Ammonium in Rice Roots

Yamazaki

Fujiwara

2022

Plants

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“…Affected swedes show no external symptoms, although it has been suggested that a slight roughening of the .skin may occur in certain cases (Wallace, 1944). On cutting open diseased roots, however, a characteristic brown mottling is seenhence the popularly used name of Brown Heart.…”

Section: Introductionmentioning

confidence: 98%

Brown, heart in swedes: a Cumbrian survey

Dermott

Trinder

1947

J. Agric. Sci.

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1. A survey was made of swede fields in Cumberland and it was found that more than half the gross acreage was affected with Brown Heart to a greater or lesser extent.2. The water-soluble boron content of soils from affected and non-affected fields was determined. In general the boron content of fields showing Brown Heart was less than 0·30 parts per million.3. There is a close association between soil texture and the incidence of boron deficiency, a greater proportion of cases occurring on light soils.4. Recent liming rather than the actual pH. level of the soil appears to be correlated with the occurrence of Brown Heart in the field.5. It would appear that some prediction of the possibility of Brown Heart occurring might be made from a knowledge of the ‘available boron’ content of the soil taken in conjunction with such factors as the soil-texture and liming history of the field concerned.

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Ein Beitrag zur Frage der Ernährung über das Blatt

Trefftz¹

1956

Die Kulturpflanze

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Mineral Deficiencies of Plants

Cited by 3 publications

References 0 publications

The Effect of Phosphate on the Activity and Sensitivity of Nutritropism toward Ammonium in Rice Roots

The Effect of Phosphate on the Activity and Sensitivity of Nutritropism toward Ammonium in Rice Roots

Brown, heart in swedes: a Cumbrian survey

Ein Beitrag zur Frage der Ernährung über das Blatt

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