Comparative assessment of mulching and herbicide treatments for weed management in Stevia rebaudiana (Bertoni) cultivation

Taak, Pooja; Koul, Bhupendra; Chopra, Manpriya; Sharma, K. C.

doi:10.1016/j.sajb.2020.05.016

Cited by 9 publications

(2 citation statements)

References 44 publications

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“…Taak and co-workers [115] reported that the use of herbicides controlled the weed growth but the use of mulches like rice straw and eucalyptus leaves increased the plant growth characteristics as well. However, mulching not only control the weed proliferation in stevia but also have a significant effect on the dry weight and leaf biomass.…”

Section: Major Constraints In Crop Productionmentioning

confidence: 99%

Genetic Improvement of Stevia: A Natural Non-Calorie Sweetener

Gautam¹,

Kumar²,

Kashyap³

et al. 2023

Case Studies of Breeding Strategies in Major Plant Species

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Stevia rebaudiana, a native of South America, is a perennial herb of the Asteraceae family, also known as a natural sweetener due to the presence of steviol glycosides (SGs) in the leaves. China is the largest producer and exporter of stevia, while Japan is the primary consumer. The increasing demand for natural low-calorie sweeteners in the medicine and food industry has increased the pressure over stevia cultivation. Still, its cultivation and region-specific agrotechnologies need to be developed. The major bottleneck in stevia production are the lack of region specific cultivation technologies, non-availability of quality planting material, and uncharacterized and not properly conserved plant genetic resources. All these constraints have limited the stevia production to some specific regions of the world. Development of high-yielding cultivars with enhanced SGs content using modern breeding techniques is of prime importance to meet its increasing demand. Among the glycosides present in the leaves, rebaudioside-A is the most desirable glycosides having 250–300 times sweeter than sucrose, while, after bitter taste is due to the presence of stevioside and dulcoside. Therefore, the development of varieties with high rebaudioside-A and low stevioside content is highly desirable. This chapter focused on the improvement of propagation methods, characterization and conservation of genetic resource in stevia and its utilization in crop improvement programs.

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Section: Major Constraints In Crop Productionmentioning

confidence: 99%

Genetic Improvement of Stevia: A Natural Non-Calorie Sweetener

Gautam¹,

Kumar²,

Kashyap³

et al. 2023

Case Studies of Breeding Strategies in Major Plant Species

View full text Add to dashboard Cite

show abstract

“…Thankamani et al [18] suggested that the application of 6 t•ha −1 of paddy straw along with 7.5 t•ha −1 of green leaf mulch at 45 and 90 days after planting could led to a higher weed control efficiency and a greater yield, as well as economic return. Taak et al [55] evaluated the effects of mulching and herbicide treatments on weed control and found that straw mulching treatment (15 t•ha −1 ) not only effectively controls weeds, but is also associated with the highest crop yield. Weed emergence and biomass decreased with increasing amounts of organic mulch [54].…”

Section: Effect Of Mulching On Weed Suppressionmentioning

confidence: 99%

Short-Term Effects of Spent Mushroom Substrate Mulching Thickness on the Soil Environment, Weed Suppression, Leaf Nutrients, and Nut Characteristics in a Hazelnut Orchard

Zhang

Wang³

et al. 2021

Agronomy

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Worldwide, a huge amount of solid fermented waste is produced every year during mushroom production. The rational utilization of spent mushroom substrate (SMS) is conducive to environmental protection and the sustainable development of agriculture. The aims of this work were to analyze the effects of the SMS mulching thickness on the soil environment, weed suppression, leaf nutrients, and nut traits in a hazelnut plantation and provide a theoretical basis for the scientific and reasonable utilization of SMS. An SMS mulching experiment with four mulching thickness treatments (MT1: 5 cm, MT2: 10 cm, MT3: 15 cm, and CK: 0 cm) was conducted in a semi-arid area of North China in 2019. The soil properties, weed control efficiency, leaf nutrient content, and nut yield and quality characteristics of these treatments were all measured and analyzed. The results showed that (1) the average soil temperatures of MT2 and MT3 at different soil depths were 0.73–1.78 °C and 1.18–2.50 °C lower than when no mulch was used in warm weather and 0.67–1.05 °C and 0.99–1.56 °C higher than when no mulch was used in cold weather. The average soil moisture content of MT1, MT2, and MT3 at different soil depths was 6.27–8.13%, 10.66–17.23%, and 7.26–12.81% higher than that of CK, respectively. There were no significant differences in the soil bulk density or porosity among the four treatments. The average soil nutrient contents (soil organic matter and available N, P, and K) of MT1, MT2, and MT3 were 7.05–15.23%, 14.90–38.93%, and 17.42–40.11% higher than those of CK, respectively. Soil enzymatic activities of these treatments followed the order MT3 ≈ MT2 > MT1 > CK. (2) MT2 and MT3 both had high levels of weed control efficiency: 55.66–92.93% and 70.43–97.90%, respectively. (3) The leaf N, P, K, and SPAD increased significantly under MT2 and MT3 by about 10% compared with the CK. (4) MT2 effectively increased the nut size, nut and kernel mass, and crude fat content of the nut (CFC). In general, the short-term field experiment clearly showed that SMS is a superior mulching material for improving the soil environment and plant growth, and 10 cm thickness is suitable for mulching practice.

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