International Journal of Phytology Research

Gamma ray-induced mutagenesis and its impact on per cent disease index in Tuberose cv. ‘Hyderabad Single’’

Sat, 03 Jan 2026 00:00:00 +0000

Tuberose (Polianthes tuberosa Linn.) is one of the most important flower crops grown under the tropical and subtropical conditions in India. The crop is affected by leaf spot disease caused by Alternaria polianthi, which significantly impacts its growth and flower yield. The disease is prevalent in both single and double varieties, especially in the regions with high rainfall and humidity. A study was conducted with gamma ray irradiated bulbs using 44 variants of mutant population with one untreated bulb (Control). Among the variants of mutant population studied in the VM₂ generation, mutant M₃₃₃ exhibited significantly highest per cent disease index (susceptible) compared to untreated control. No incidence of disease was noticed with mutants viz., M_473C, M₁₇₈ and M_21, hence these were characterized as immune mutants to the leaf spot disease caused by Alternaria polianthi.

The keystone species: emphasizing the conservation of Ficus (Fig) species at Kanha Shanti Vanam, Hyderabad, Telangana, India

Ananthaneni Sreenath, Rathinasabapathy Bhuvaragasamy — Wed, 07 Jan 2026 00:00:00 +0000

Ficus species are globally recognized as keystone elements of tropical ecosystems. At Kanha Shanti Vanam (KSV), a Biodiversity Sanctuary in Telangana, 26 Ficus species were planted and conserved to enhance biodiversity and ecological stability. Observations revealed active plant-animal interactions, particularly during fruiting seasons, where birds, bats, and squirrels contributed to pollination and seed dispersal. These interactions facilitated natural regeneration and supported faunal diversity within the campus. The study documents the Ficus species established at KSV and highlights their ecological and cultural significance, demonstrating their role in sustaining ecosystem resilience and promoting harmony between nature and humans.

The prospects and feasibility of seaweed (Kappaphycus alvarezii) culture in the cage farming sites of Asian seabass (Lates calcarifer) in Central Kerala, India

Sunithakumari K, Dr. Shoji Joseph, Smina MS, Dr. Reeta Jayasankar — Thu, 22 Jan 2026 00:00:00 +0000

Seaweeds are primitive, photosynthetic, non-angiospermic macrophytes in tidal zones of oceans. The red algae Kappaphycus alvarezii was cultured in the present study for a period of 60 days (January – March 2021) in three stations: Malippuram (Station I), Chettuva (Station II), and Moothakunnam (Station III). Seedlings of K. alvarezii were collected from Mandapam, Tamil Nadu. Seedlings of K. alvarezii weighing 6.069 ± 0.069 g stocked in fruit net bags and floating bamboo raft; finally harvested 55.415 ± 0.018 g per fruit net bag from station I and 57.913 ± 0.068 g per fruit net from station II. Growth parameters of seaweed and water quality parameters of stations were analysed. The present study revealed good prospects for seaweed farming in Malippuram & Chettuva. Integration of seaweed culture with cage farming resulted in good growth of K. alvarezii in the open sea of Kerala. The objective of the study was to find out the feasibility of seaweed farming along with cage farming in Central Kerala using the fruit net bag tube method and the floating raft method.