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Mitigasi Agronomis Cekaman Kekeringan Dalam Produksi Tanaman Kentang (Solanum tuberosum L.) Firdausy, Febrizany Sanjung Miftahul; Hayati, Lena; Santoso, Marwin; Agustin, Ferani; Almunawar, Said Agil; Tyara, Tyara; Suci, Yanuavitha Triana Eka; Indra, Zahra Salsabila; Amiati, Nani Tri; Endrawan, Raka Teo; Dora, Zelin Alsyah; Fahrurrozi, Fahrurrozi
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 22 No 2 (2024): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v22i2.4749

Abstract

Potato production is increasingly encountered with drought stress, which is one of the factors in affecting agricultural yields as a result of the dynamics of global climate change and the agricultural environment. Efforts to improve the ability of potatoes to adapt with drought stress could be done through plant breeding approaches and a combination of various agronomic practices. This review aims to describe the application of agronomic action strategies that can be used to improve the ability of potatoes to adapt to drought conditions. Various agronomic practices  can be applied to mitigate the stressful potatoes to have maximum production grown under drought conditions. These mitigations include the use of drought tolerant varieties, selection of planting material, spacing, selection of the right planting time, providing shade, using organic and inorganic mulch, agricultural land management, weed and pest controls, cropping systems, row-planting orientations, using organic fertilizers and applying beneficial microorganisms.
Genotypic and Phenotypic Variability and Heritability of Generative Traits, Yield Components, and The Yield in 39 Cayenne Pepper (Capsicum annuum L.) Genotypes Almunawar, Said Agil; Herison, Catur; Handajaningsih, Merakati; Alnopri; Romeida, Atra; Rustikawati; Sukisno
Akta Agrosia Vol 28 No 1 (2025)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.28.1.42-50

Abstract

Cayenne pepper is a horticultural crop with high economic value, and its productivity can be improved through plant breeding programs. Genotypic and phenotypic variability, and heritability are important parameters for such programs. This study aimed of obtaining information on genotypic and phenotypic variability as well as heritability of generative traits, yield components, and the yield in 39 cayenne pepper genotypes. The research was conducted from May to October 2024 at the Experimental Farm, the University of Bengkulu. A Randomized Complete Block Design (RCBD) was used, involving 39 genotypes planted in three replications, with 20 plants per replication. The results showed broad genotypic variability was found in days to anthesis, days to first harvest, number of fruits per plant, fruit diameter, fruit length, pedicel length, and average fruit weight. Broad phenotypic variability was observed in all traits. High heritability was found in days to anthesis, fruit diameter, fruit length, and average fruit weight. These findings are highly valuable for determining effective selection strategies in plant breeding and the development of superior cultivars. Keywords: breeding, chili pepper, diversity, genotypic variance, phenotypic variance.