A viroid was isolated from Iresine herbstii plants using the bidirectional PAGE method for analysis of small circular RNA molecules. The viroid was transmitted to viroid-free Iresine herbstii plants of the cultivar 'Aureoreticulata' by mechanical inoculation. Infected plants did not develop any symptoms. The new viroid species has been named Iresine viroid (IrVd). It is a member of the potato s...

The decision about what operators to allow and how to charge for these operations when aligning strings that arise in a biological context is the decision about what model of evolution to assume. Frequently the operators used to construct an alignment between biological sequences are limited to deletion, insertion, or replacement of a character or block of characters, but there is biological ev...

In Bangladesh, citrus is an important fruit crop that becoming more commonly cultivated in commercial plantations. March 2019, we observed yellowing, vein clearing, and mild mosaic symptoms citron (Citrus medica). Based on systematic serological molecular analyses of the symptomatic leaf samples, Citrus tristeza virus (CTV) was identified. To best our knowledge, this first report CTV any Bangla...

the effect of four citrus rootstocks {sour orange (citrus aurantium), bakraeii (c. reticulata × c. limetta, mexican lime (c. aurantifolia) and volkamerlemon (c. volkameriana)} were evaluated on sweet lime leaf chlorophyll content and mineral concentrations (n, p, k, ca, na, mg, fe, zn, mn, cl, cu, and b) in a completely randomized design of four replications. budded sweet lime on the above root...

Hop stunt viroid RNA (HSV) has been detected by molecular hybridization in stunted plants of the Japanese cultivar Kirin II cultivated in Korea (1,2). For propagation, the viroid was transmitted to the wild curcarbU Benincasa Mspida which developed HSV-spedfic severe growth retardation. Isolation, purification, reverse transcription of the viroid-RNA with aid of viroid-specific primers, and seq...

Studies were conducted to quantify leaf area damage to ‘Tahiti’ lime by citrus leafminer (CLM) (PhyllocnistLF citrella Stainton) and to relate leaf damage to larval density and the length of time mining per leaf. Visual estimates of leaf damage were similar among five evaluators and were positively correlated with image analysis determinations. The number of CLM larvae per leaf and the number o...