Field promotion of radiation-modified Kappa Carrageenan as inducer of resistance against major pests and diseases in rice

G. L. Magsino

Date

2016

Abstract

Farmer's field days were conducted successfully at Pulilan, Bulacan, Pototan, Iloilo CES, UPLB, and Pagadian, Zamboanga del Sur [Philippines] few days before harvesting multiloc trials in the area. Farmers from different organizations along the area were invited to demonstrate carrageenan performance on the farmer's field results. Inquiries such as but not limited to different aspects of carrageenan use and farming were entertained and discussed among the farmers. Foliar spraying to rice plants of Carrageenan at 200 ppm (3.2 li/ha) 3x(14,30 and 45DAT) per season promoted better crop stand, more productive tillers, better yield grains, thus, resulted to high quality grain yields especially if supplemented to 1/2 RRG (3 bags NPK/ha) or RRG (6 bags NPK/ha). Overall, two cropping seasons and across demo-trial sites (Victoria, Laguna and CES, UPLB, Pulilan, Bulacan, New Lucena and Pototan, Iloilo and Munoz, Nueva Ecija) showed an average higher rice yields (ton/ha) to 1/2 RRG + 200 ppm Carrageenan applied 3x/ha/season of 33.29% than only 1/2 RRG treated plants, likewise, 63.4% better yields than untreated plants while 11.45% higher yields from RRG + Carrageenan (200 ppm) 3x application/ha/season than RRG treated plants. Request for Experimental Use Permit was processed and was awarded last September 23, 2015. Laboratory testing of the fertilizer composition of carrageenan was primarily done, but will be retested in a FPA Accredited laboratory. Evaluation of Carrageenan performance data from two identified sites was done last quarter of 2016. Data gathered on two sites (Laguna and Iloilo) were submitted to FPA for product registration last 5 January 2017.

Language

English

Document Type

Article

Pages /Collation

75 leaves

En – AGROVOC descriptors

ORYZA SATIVA; RICE; CROP YIELD; CARRAGEENANS; RADIATION; FOLIAR APPLICATION; CHITOSAN; NPK FERTILIZERS; FERTILIZER APPLICATION; APPLICATION RATES

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