Growth and Drymatter Partitioning of <i>Sorghum</i> under Moisture Stress Condition

Ramu, S. V.; Palaniappan, S.; Panchanathan, Rm.

doi:10.1111/j.1439-037x.1991.tb00914.x

Cited by 4 publications

(4 citation statements)

References 7 publications

(3 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In other years, in adequate mid-season rain may fall after crops have germinated, causing crop failure. Although drought stress at the beginning of the growing season may severely affect plant establishment, plants tend to recover soon when late rain fall levels are adequate (Ramu et al, 2008). Consequently, crops are prone to periodic moisture stress in one way or another because of the aforementioned realities (Twomlow et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Physiological mechanisms of drought tolerance in sorghum, genetic basis and breeding methods: A review

Amelework¹,

Shimelis²,

Tongoona³

et al. 2015

Afr. J. Agric. Res.

View full text Add to dashboard Cite

Sorghum is grown in semi-arid to arid regions of the world and serves as the staple food for about half a billion people in sub-Saharan Africa and Asia. The adaptation of grain sorghum to a wide range of environmental conditions has led to the evolution and existence of extensive genetic variation for drought tolerance. Consequently, sorghum is expected to play an increasingly important role in agriculture and meeting world food demand in the face of climate change, land degradation and increasing water scarcity. Drought is a complex phenomenon, and is considered one of the most significant factors limiting crop yields around the world and continues to be a challenge to plant breeders, despite many decades of research. Underestimating the genetics and the physiological mechanisms underlying drought tolerance is vital for the breeding to alleviate adverse effects of drought in order to boost productivity. In this literature review, research findings from the 1970s up to present are included. Most of the basic researches on the mechanism of drought tolerance were done in the early 1980s, and most of the current researches focus on verification and fine-tuning of methodologies. The paper outlines the main effects of drought on crop growth and development, and yield. It then examines the basic information on physiological mechanisms of drought in crops. Subsequent discussion is given on the genetic control of drought tolerance, and breeding methods in sorghum.

show abstract

Section: Introductionmentioning

confidence: 99%

Physiological mechanisms of drought tolerance in sorghum, genetic basis and breeding methods: A review

Amelework¹,

Shimelis²,

Tongoona³

et al. 2015

Afr. J. Agric. Res.

View full text Add to dashboard Cite

show abstract

“…In the areas investigated, the differences among fields in soil fertility, rainfall, and cropping systems are assumed to be large enough to result in differences in the available N and water for sorghum. This could lead to differences in both sorghum growth (Heron et al, 1963; Langlet, 1973; Ramu et al, 1991; Donatelli et al, 1992; Rego et al, 1998; Singh et al, 1998) and phenol accumulation.…”

mentioning

confidence: 99%

Relationships between Biomass and Phenolic Production in Grain Sorghum Grown under Different Conditions

2001

View full text Add to dashboard Cite

The total phenol pool (kg ha−1) of the aerial parts and roots of sorghum (Sorghum bicolor L. cv. CE145−66) crops and their relationships to dry matter and total phenol concentrations (g kg−1) were studied in four different data sets (2 sites × 2 yr for a total of 52 smallholder fields) in Senegal. The total phenol pool size varied from 4 to 156 kg ha−1 in the aerial parts and from 1 to 16 kg ha−1 in the roots. The phenol pool size was closely correlated with the amount of dry matter in both the aerial parts (r = 0.95, P<0.001) and the roots (r = 0.91, P<0.001). In contrast, the phenol concentrations varied less between fields than the dry matter content, and therefore had less impact on the phenol pool size. Using a N nutrition index (NNI) to assess the N nutrition of the sorghum crops, both phenol the pool and concentration were higher when N nutrition was better. Grain yield and the phenol pool of aerial parts were also positively correlated. The data indicate that the environmental factors that promote growth and grain yield also enhance the total phenol synthesis in sorghum vegetative parts.

show abstract

“…In other years, in adequate mid-season rain may fall after crops have germinated, causing crop failure. Although drought stress at the beginning of the growing season may severely affect plant establishment, plants tend to recover soon when late rain fall levels are adequate 85 . Consequently, crops are prone to periodic moisture stress in one way or another because of the aforementioned realities 116 .…”

Section: Introductionmentioning

confidence: 99%

Mechanisms of Drought Tolerance in Sorghum: A Review

Krupa¹,

Dalawai²,

Shashidhar³

et al. 2017

Int. J. Pure App. Biosci.

View full text Add to dashboard Cite

Sorghum is the fifth most important cereal crop and occupies the second position among the staple food grains in semi-arid tropics. The adaptation of grain sorghum to a wide range of environmental conditions has led to the evolution and existence of extensive genetic variation for drought tolerance. Accordingly, sorghum is expected to play an increasingly important role in agriculture and meeting world food demand in the face of climate change, land degradation and increasing water scarcity. The crop requires relatively less water than other important cereals such as maize and wheat. However, yield potential of the crop is significantly limited due to drought and heat stresses. Drought is one of the most important factors that affect crop production worldwide and continues to be a challenge to plant breeders, despite many decades of research. Underestimating the different mechanisms underlying drought tolerance is vital for the breeding to alleviate adverse effects of drought in order to boost productivity. In this literature review, the main effects of drought on crop growth and development, and yield are reported.

show abstract

Growth and Drymatter Partitioning of Sorghum under Moisture Stress Condition

Cited by 4 publications

References 7 publications

Physiological mechanisms of drought tolerance in sorghum, genetic basis and breeding methods: A review

Physiological mechanisms of drought tolerance in sorghum, genetic basis and breeding methods: A review

Relationships between Biomass and Phenolic Production in Grain Sorghum Grown under Different Conditions

Mechanisms of Drought Tolerance in Sorghum: A Review

Contact Info

Product

Resources

About